Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
There is no job matching your search
Api
Blackpool
No need to fret! We’re adding new jobs every single day. Find out immediately when we’ve found a match for you.
9 exact matches jobs are outside your preferred location
Support and perform technical configurations such as Single Sign-On (SSO), Active Directory, or future API connections for new and existing clients.
Support and perform technical configurations such as Single Sign-On (SSO), Active Directory, or future API connections for new and existing clients.
NEW
Understanding of GraphQL and modern API-driven architectures.
Understanding of GraphQL and modern API-driven architectures.
)
API testing (Postman, Rest-Assured).
API testing (Postman, Rest-Assured).
NEWFEATURED
Location: UK remote - Division: Ticketmaster - Line Manager: Sr Manager - Network Services - Contract Terms: Permanent, 40 hours per week - The Network Reliability Engineering (NRE) team is a newly established group within our global network team, focused on bringing a software-first approach to network engineering and operations. Our mission is to eliminate manual effort, improve reliability, and enable agility through automation. As a software engineering team, NRE partners closely with the core network team to identify operational challenges and build automation solutions that scale. We also collaborate with other software engineering teams within the infrastructure group to deliver end-to-end tooling and services. The team plays a critical role in evolving the way networks are managedleveraging automation frameworks, observability tools, and SRE best practices to
Location: UK remote - Division: Ticketmaster - Line Manager: Sr Manager - Network Services - Contract Terms: Permanent, 40 hours per week - The Network Reliability Engineering (NRE) team is a newly established group within our global network team, focused on bringing a software-first approach to network engineering and operations. Our mission is to eliminate manual effort, improve reliability, and enable agility through automation. As a software engineering team, NRE partners closely with the core network team to identify operational challenges and build automation solutions that scale. We also collaborate with other software engineering teams within the infrastructure group to deliver end-to-end tooling and services. The team plays a critical role in evolving the way networks are managedleveraging automation frameworks, observability tools, and SRE best practices to
API certifications (e.g., API 510, API 570, API 580, API 579) or equivalent (ASME/CSWIP).
API certifications (e.g., API 510, API 570, API 580, API 579) or equivalent (ASME/CSWIP).
About Teramind - Teramind is the leading platform for user behavior analytics, serving multiple use cases from insider risk mitigation to business process optimization. With our comprehensive suite of solutions, organizations gain unprecedented visibility into user activities while enhancing security, optimizing productivity, and ensuring compliance. Trusted by Fortune 500 companies and businesses of all sizes across industries, our innovative platform helps organizations protect sensitive data, maximize workforce performance, and create safer, more efficient digital workplaces. Through real-time monitoring and advanced analytics, we enable businesses to safeguard their most sensitive information while optimizing employee productivity in both in-office and remote work environments. Our Core Values - At Teramind, our values drive everything we do.
About Teramind - Teramind is the leading platform for user behavior analytics, serving multiple use cases from insider risk mitigation to business process optimization. With our comprehensive suite of solutions, organizations gain unprecedented visibility into user activities while enhancing security, optimizing productivity, and ensuring compliance. Trusted by Fortune 500 companies and businesses of all sizes across industries, our innovative platform helps organizations protect sensitive data, maximize workforce performance, and create safer, more efficient digital workplaces. Through real-time monitoring and advanced analytics, we enable businesses to safeguard their most sensitive information while optimizing employee productivity in both in-office and remote work environments. Our Core Values - At Teramind, our values drive everything we do.
NEW
8x8, Inc. (NASDAQ: EGHT) believes that CX limits were meant to be shattered. We connect people and organizations through seamless communication on the industry's most integrated platform for Customer Experiencecombining Contact Center, Unified Communications, and CPaaS APIs. The 8x8 Platform for CX integrates AI at every level to enable personalized customer journeys, drive operational excellence and insights, and facilitate team collaboration. We help customer experience and IT leaders become the heartbeat of their organizations, empowering them to unlock the potential of every interaction. With one platform, one ecosystem, and one data model, you can turn every team into a customer-facing team and unify your CX to conquer the complexity. As an organization, we are looking for Team8s who are AI-proficient, open to innovation, and skilled in leveraging AI for efficien
8x8, Inc. (NASDAQ: EGHT) believes that CX limits were meant to be shattered. We connect people and organizations through seamless communication on the industry's most integrated platform for Customer Experiencecombining Contact Center, Unified Communications, and CPaaS APIs. The 8x8 Platform for CX integrates AI at every level to enable personalized customer journeys, drive operational excellence and insights, and facilitate team collaboration. We help customer experience and IT leaders become the heartbeat of their organizations, empowering them to unlock the potential of every interaction. With one platform, one ecosystem, and one data model, you can turn every team into a customer-facing team and unify your CX to conquer the complexity. As an organization, we are looking for Team8s who are AI-proficient, open to innovation, and skilled in leveraging AI for efficien
RealVNC is the remote access platform for engineers looking for the most reliable and the most secure solution built by the creators of VNC technology. Over the last 25 years, as the inventors of VNC, we've enabled a global workforce to work wherever works and created the remote access market. Our software is used by hundreds of millions of users worldwide including IT professionals from global companies, such as Intel, IBM, NASA, Shell, DreamWorks and Philips. Our lead product, VNC Connect, allows users to connect securely to a remote device anywhere in the world, see its screen in real-time, and take control as though sitting in front of it. The product has been deployed across a myriad of use cases, from remote support through to deploying the software onto connected devices such as medical ventilators, set-top boxes, heavy industrial machinery and more.
RealVNC is the remote access platform for engineers looking for the most reliable and the most secure solution built by the creators of VNC technology. Over the last 25 years, as the inventors of VNC, we've enabled a global workforce to work wherever works and created the remote access market. Our software is used by hundreds of millions of users worldwide including IT professionals from global companies, such as Intel, IBM, NASA, Shell, DreamWorks and Philips. Our lead product, VNC Connect, allows users to connect securely to a remote device anywhere in the world, see its screen in real-time, and take control as though sitting in front of it. The product has been deployed across a myriad of use cases, from remote support through to deploying the software onto connected devices such as medical ventilators, set-top boxes, heavy industrial machinery and more.
RESTful API development
RESTful API development
NEW
These jobs might also interest you
Infrastructure Automation Engineer X3-Aruba- DevOps- Network Automation
Infrastructure Automation Engineer X3-Aruba- DevOps- Network Automation
InterQuest Group (UK) Limited
SW1, South West London
£550 - 600 per day
Network Infrastructure Automation Engineer X3 with strong skills in network automation and ideally expereince of migrating networks from Cisco to Aruba, is needed to support our higher education client drive forward the automation of their network automation, which is the largest across the UK higher education sector. * Network infrastructure automation using DevOps practices. * Strong hands-on experience with: Terraform, Ansible, or similar IaC tools CI/CD tools (e.g., Jenkins, GitLab CI, Azure DevOps) AND Cloud platforms (AWS, Azure, or GCP) The scope will be to design, implement and test the automation of Network Infrastructure development which enables a scalable, secure, automated and resilient network service across our clients network estate. * Technical lead of infrastructure-as-code (IaC), automation, deployment, configuration, management and scaling.
Network Infrastructure Automation Engineer X3 with strong skills in network automation and ideally expereince of migrating networks from Cisco to Aruba, is needed to support our higher education client drive forward the automation of their network automation, which is the largest across the UK higher education sector. * Network infrastructure automation using DevOps practices. * Strong hands-on experience with: Terraform, Ansible, or similar IaC tools CI/CD tools (e.g., Jenkins, GitLab CI, Azure DevOps) AND Cloud platforms (AWS, Azure, or GCP) The scope will be to design, implement and test the automation of Network Infrastructure development which enables a scalable, secure, automated and resilient network service across our clients network estate. * Technical lead of infrastructure-as-code (IaC), automation, deployment, configuration, management and scaling.
)
Software Systems Engineer
Software Systems Engineer
Rise Technical Recruitment Limited
WS11, Cannock
£50000 - £65000 per annum + Great Benefits
As the Software Systems Engineer, you will be responsible for the development, implementation and maintenance of test programs and in-house software. Our client is looking for someone who is proficient in LabVIEW, TestStand and experienced in writing test software & automated tests and has knowledge of embedded systems. Are you an engineer who has a high level of experience with LabVIEW and TestStand? * LabVIEW, TestStand, automated tests & embedded systems * Supporting the global R&D team in the implementation and maintenance of all systems * Solid experience with LabVIEW, TestStand and writing test software & automated tests £50,000 - £65,000 + International Travel + Progression + Holiday - Cannock - On offer is a rare opportunity t
As the Software Systems Engineer, you will be responsible for the development, implementation and maintenance of test programs and in-house software. Our client is looking for someone who is proficient in LabVIEW, TestStand and experienced in writing test software & automated tests and has knowledge of embedded systems. Are you an engineer who has a high level of experience with LabVIEW and TestStand? * LabVIEW, TestStand, automated tests & embedded systems * Supporting the global R&D team in the implementation and maintenance of all systems * Solid experience with LabVIEW, TestStand and writing test software & automated tests £50,000 - £65,000 + International Travel + Progression + Holiday - Cannock - On offer is a rare opportunity t
PREMIUM
As an Account Solution Engineer, also known as a 'Presales Consultant,' 'Sales Consultant', Pre -Sales Engineer , Sales Engineer or 'SE', you'll be a key player in the sales cycle, delivering thought leadership and owning solutions to enhance our customers' experience. Through collaboration with the customer, the Products team, and Professional Services the Solutions Engineers develop thoughtful solutions that help our customers connect with their customers in new ways. The Solution Engineer must have a strong desire to demonstrate their technical and/or sales skills, including the ability to solicit business requirements, develop a technical sales strategy, configure and successfully demonstrate the solutions that ad
As an Account Solution Engineer, also known as a 'Presales Consultant,' 'Sales Consultant', Pre -Sales Engineer , Sales Engineer or 'SE', you'll be a key player in the sales cycle, delivering thought leadership and owning solutions to enhance our customers' experience. Through collaboration with the customer, the Products team, and Professional Services the Solutions Engineers develop thoughtful solutions that help our customers connect with their customers in new ways. The Solution Engineer must have a strong desire to demonstrate their technical and/or sales skills, including the ability to solicit business requirements, develop a technical sales strategy, configure and successfully demonstrate the solutions that ad
NEW
MuleSoft is actively seeking a motivated Client Solution Consultant to join our highly skilled and collaborative Pre-Sales team. As a Client Solution Consultant, you will play a pivotal role in fostering MuleSoft's growth in the UK and Ireland region. You will work closely with Account Executives across the entire sales process, evaluating sales opportunities by considering customer technical requirements, competition, decision-making processes, and funding. What Awaits You at MuleSoft as a Client Solution Consultant in the UK:? Collaborate within a passionate Pre-Sales Solution Consultant team that prioritises teamwork and inclusivity. Capability to lead architectural discussions and workshops. Engage with Account Executives and Sales leaders, shadow
MuleSoft is actively seeking a motivated Client Solution Consultant to join our highly skilled and collaborative Pre-Sales team. As a Client Solution Consultant, you will play a pivotal role in fostering MuleSoft's growth in the UK and Ireland region. You will work closely with Account Executives across the entire sales process, evaluating sales opportunities by considering customer technical requirements, competition, decision-making processes, and funding. What Awaits You at MuleSoft as a Client Solution Consultant in the UK:? Collaborate within a passionate Pre-Sales Solution Consultant team that prioritises teamwork and inclusivity. Capability to lead architectural discussions and workshops. Engage with Account Executives and Sales leaders, shadow
NEW
)
Overview - We are looking for LEAP Engineers to drive forward the Defence sector within Electrical and Embedded Systems. This is an exciting opportunity to make a real difference to the client project that you support. The successful candidate will be able to perform a range of technical activities involved in the configuration, build, testing and release of secure laptops. Able to take delivered components (software & hardware) and wrap them into a holistic single deliverable to the end user. Able to think 'product' around re-use and sparing and design the solution to bring ease of re-use and ease of configured on-shelf spareable items to life. Qualifications * Degree in an applicable Engineering Discipline - Essential skills * Competent in software language Java * Wide ranging knowledge of software languages, frameworks and toolsets * Knowledge/awar
Overview - We are looking for LEAP Engineers to drive forward the Defence sector within Electrical and Embedded Systems. This is an exciting opportunity to make a real difference to the client project that you support. The successful candidate will be able to perform a range of technical activities involved in the configuration, build, testing and release of secure laptops. Able to take delivered components (software & hardware) and wrap them into a holistic single deliverable to the end user. Able to think 'product' around re-use and sparing and design the solution to bring ease of re-use and ease of configured on-shelf spareable items to life. Qualifications * Degree in an applicable Engineering Discipline - Essential skills * Competent in software language Java * Wide ranging knowledge of software languages, frameworks and toolsets * Knowledge/awar
FEATURED
)
Stantec, ranked the #1 engineering consultancy in the NCE listings, is looking for a Senior Technical Specialist/Technical Director . As a senior leader, you'll be at the forefront of our business, driving the strategic direction of our water network modelling and developing new capital investment solutions. You'll use your global network to bring new opportunities to the business, provide technical insight for strategic bids, and mentor staff to foster professional growth. We are searching for a leader to enhance our water network modelling and infrastructure solutions for our clients in the region. We are seeking a candidate who is a recognised thought leader with a proven ability to influence technical direction. * The credibility
Stantec, ranked the #1 engineering consultancy in the NCE listings, is looking for a Senior Technical Specialist/Technical Director . As a senior leader, you'll be at the forefront of our business, driving the strategic direction of our water network modelling and developing new capital investment solutions. You'll use your global network to bring new opportunities to the business, provide technical insight for strategic bids, and mentor staff to foster professional growth. We are searching for a leader to enhance our water network modelling and infrastructure solutions for our clients in the region. We are seeking a candidate who is a recognised thought leader with a proven ability to influence technical direction. * The credibility
NEW
)
Role: Solution Engineer (Digital Solutions) Are you a seasoned backend engineer with a passion for solving real-world problems through modern technology? Join a high-impact digital solutions team that partners with a portfolio of safety, environmental, and healthcare-focused businesses to drive digital transformation. * Collaborating with technical teams across multiple businesses to design and develop scalable, secure digital solutions. * Understanding of solution architecture principles - scalability, security, maintainability. £55,000 - £65,000 GBP - 10% Bonus - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Salary: £55,000-£65,000 + 10% Bonus - Location: London (Hybrid 2/3 day split) Do you enjoy working across diverse
Role: Solution Engineer (Digital Solutions) Are you a seasoned backend engineer with a passion for solving real-world problems through modern technology? Join a high-impact digital solutions team that partners with a portfolio of safety, environmental, and healthcare-focused businesses to drive digital transformation. * Collaborating with technical teams across multiple businesses to design and develop scalable, secure digital solutions. * Understanding of solution architecture principles - scalability, security, maintainability. £55,000 - £65,000 GBP - 10% Bonus - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Salary: £55,000-£65,000 + 10% Bonus - Location: London (Hybrid 2/3 day split) Do you enjoy working across diverse
PREMIUM
)
Endpoint Engineer
Endpoint Engineer
Outsource UK lTD
Navigation Business Village, pr2 2ya
£55.00 paye OR £74.263 Umbrella inside IR35
Based: Warton, Lancashire - Hourly Rate: £55.00 paye OR £74.263 Umbrella inside IR35 - Hours: 37 Hours per week - Onsite: Hybrid - Length: 12 months - BAE Systems are looking for a skilled Endpoint Administrator to join the End User Product Team. In this role, you’ll manage and support our on-premise infrastructure and virtual desktop environment, ensuring secure and efficient access for users across the organisation. The Job * Managing Active Directory, DNS, Group Policy, and domain services * Supporting and maintaining VDI environments (Citrix/VMware), Thin Clients, and EDR tools * Administering end-user platforms including Exchange and SharePoint * Troubleshooting endpoint and infrastructure issues, ensuring uptime and performance * Supporting data protection, compliance, and cybersecurity best practices * Assisting in identity and access management service deliver
Based: Warton, Lancashire - Hourly Rate: £55.00 paye OR £74.263 Umbrella inside IR35 - Hours: 37 Hours per week - Onsite: Hybrid - Length: 12 months - BAE Systems are looking for a skilled Endpoint Administrator to join the End User Product Team. In this role, you’ll manage and support our on-premise infrastructure and virtual desktop environment, ensuring secure and efficient access for users across the organisation. The Job * Managing Active Directory, DNS, Group Policy, and domain services * Supporting and maintaining VDI environments (Citrix/VMware), Thin Clients, and EDR tools * Administering end-user platforms including Exchange and SharePoint * Troubleshooting endpoint and infrastructure issues, ensuring uptime and performance * Supporting data protection, compliance, and cybersecurity best practices * Assisting in identity and access management service deliver
NEWFEATURED
)
As a PSA Engineer - Generation, you will be responsible for maintaining, optimising, and enhancing Energy Management Systems (EMS) to ensure reliable and efficient system performance. Edinburgh (Remote First) Salary Neg D.O.E - You'll play a key role in diagnosing and resolving technical issues, deploying updates, and supporting mission-critical generation control applications. Key Responsibilities * Administer and optimise the Energy Management System (EMS) through configuration, performance tuning, and security patching. * Execute technical corrective actions to restore failed or degraded EMS services. * Conduct code reviews, deployments, testing, and monitoring of break/fix patches and system modifications. * Strong experience in power system applications (Generation), including Automatic Generation Control (AGC), Load Frequency Control, Load Forec
As a PSA Engineer - Generation, you will be responsible for maintaining, optimising, and enhancing Energy Management Systems (EMS) to ensure reliable and efficient system performance. Edinburgh (Remote First) Salary Neg D.O.E - You'll play a key role in diagnosing and resolving technical issues, deploying updates, and supporting mission-critical generation control applications. Key Responsibilities * Administer and optimise the Energy Management System (EMS) through configuration, performance tuning, and security patching. * Execute technical corrective actions to restore failed or degraded EMS services. * Conduct code reviews, deployments, testing, and monitoring of break/fix patches and system modifications. * Strong experience in power system applications (Generation), including Automatic Generation Control (AGC), Load Frequency Control, Load Forec
FEATURED
)
Distinguished, Account Solution Engineer - Travel, Transport and Hospitality
Distinguished, Account Solution Engineer - Travel, Transport and Hospitality
Salesforce
London
Competitive
An ideal SE has a strong technical foundation, is a technical thought leader, and can easily link business initiatives to technology solutions with their strong understanding of enterprise architecture. They are able to simplify complexity in their solution design approach, are able to drive technical innovation and orchestrate content teams to deliver world class solution demonstration experiences. In doing so they are able to connect relevant Salesforce case studies and solutions and plays. * Ability to develop lasting relationships at every level including the C-level and ensure that aligned customers successfully adopt and realise value from their new or existing Salesforce solutions. Orchestrate engagement of solution and product teams, work with the assigned
An ideal SE has a strong technical foundation, is a technical thought leader, and can easily link business initiatives to technology solutions with their strong understanding of enterprise architecture. They are able to simplify complexity in their solution design approach, are able to drive technical innovation and orchestrate content teams to deliver world class solution demonstration experiences. In doing so they are able to connect relevant Salesforce case studies and solutions and plays. * Ability to develop lasting relationships at every level including the C-level and ensure that aligned customers successfully adopt and realise value from their new or existing Salesforce solutions. Orchestrate engagement of solution and product teams, work with the assigned
NEW
)
BMS Engineer (Field-based)
BMS Engineer (Field-based)
Ernest Gordon Recruitment
London
£62000 - £70000 per annum + Training + Progression
Are you a Field Service Engineer with experience working on BMS systems looking to take the next step in your career with a company that values your technical expertise, offers excellent progression opportunities, and is committed to your professional development? This role would suit an experienced Field Service Engineer with experience working on BMS Systems looking to join a business that'll continually invest in you and your career. * Experienced Field Service Engineer with a background in BMS or controls systems. Keywords: BMS, Projects, Project, Engineer, London, M25, Commercial, Buildings, Construction, Engineering, Field, Field Service
Are you a Field Service Engineer with experience working on BMS systems looking to take the next step in your career with a company that values your technical expertise, offers excellent progression opportunities, and is committed to your professional development? This role would suit an experienced Field Service Engineer with experience working on BMS Systems looking to join a business that'll continually invest in you and your career. * Experienced Field Service Engineer with a background in BMS or controls systems. Keywords: BMS, Projects, Project, Engineer, London, M25, Commercial, Buildings, Construction, Engineering, Field, Field Service
NEWFEATURED
)
Identity Solution Engineer - £570p/d Inside IR35 - Onsite - Wiltshire
Identity Solution Engineer - £570p/d Inside IR35 - Onsite - Wiltshire
Exalto Consulting ltd
SN13, Corsham
£550 - 570p/d Inside IR35
Identity Solution Engineer – Contract - We’re seeking an Identity Solution Engineer to deliver a greenfield, on-prem Microsoft identity platform within a highly secure environment. * Proven Identity / Infrastructure / Systems Engineer background (Microsoft stack) Location: Wiltshire (full-time on-site) Rate: Up to £570 per day Inside IR35 - Duration: 6 Months - Clearance: Active DV required (sole UK nationals only) You’ll collaborate with architects and technical teams to implement, harden, and support core identity services. Key Responsibilities * Deploy and manage Windows Server 2022, Active Directory, and ADFS * Configure federation, SSO, and RBAC * Integrate with infrastructure and security teams * Maintain documentation, resolve incidents, and optimise performance - Essential Skills & Experience * Expertise in AD
Identity Solution Engineer – Contract - We’re seeking an Identity Solution Engineer to deliver a greenfield, on-prem Microsoft identity platform within a highly secure environment. * Proven Identity / Infrastructure / Systems Engineer background (Microsoft stack) Location: Wiltshire (full-time on-site) Rate: Up to £570 per day Inside IR35 - Duration: 6 Months - Clearance: Active DV required (sole UK nationals only) You’ll collaborate with architects and technical teams to implement, harden, and support core identity services. Key Responsibilities * Deploy and manage Windows Server 2022, Active Directory, and ADFS * Configure federation, SSO, and RBAC * Integrate with infrastructure and security teams * Maintain documentation, resolve incidents, and optimise performance - Essential Skills & Experience * Expertise in AD
Project Lead Engineer * Experience in lead engineer roles within Defence, Aerospace, or similarly complex environments. * Support the programme Chief Engineer in developing the required standards and governance for the programme * Work closely with the programme integration office Chief Architect and Engineer to support the creation of standards and governance structures for the ISTAR portfolio and the programme. * Support and lead the design, integration, and testing of the programmes solution ensuring scalability, reliability, and security. * Stay abreast of emerging technologies and methodologies to enhance project outcomes. * Proficiency in engineering tools and technologies relevant to Defence Digital projects. Bristol and Andover travel to these 2 days a week. SC Cleared candidates. Responsibilities * Provide engineering leadership and oversight across engineeri
Project Lead Engineer * Experience in lead engineer roles within Defence, Aerospace, or similarly complex environments. * Support the programme Chief Engineer in developing the required standards and governance for the programme * Work closely with the programme integration office Chief Architect and Engineer to support the creation of standards and governance structures for the ISTAR portfolio and the programme. * Support and lead the design, integration, and testing of the programmes solution ensuring scalability, reliability, and security. * Stay abreast of emerging technologies and methodologies to enhance project outcomes. * Proficiency in engineering tools and technologies relevant to Defence Digital projects. Bristol and Andover travel to these 2 days a week. SC Cleared candidates. Responsibilities * Provide engineering leadership and oversight across engineeri
)
This role is for a Senior Hardware Digital Engineer who is looking to apply their experience in a new and challenging environment, working across the full development life-cycle. General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. While primarily working on defence products and contracts, contractors with domain experience in adjacent areas are encouraged to apply for this role. * Hardware Integration * HDL Languages - Strong knowledge of Hardware Description Languages (HDLs) such as VHDL and Verilog. * Hardware design and verification against an agreed set of requirements * Create and
This role is for a Senior Hardware Digital Engineer who is looking to apply their experience in a new and challenging environment, working across the full development life-cycle. General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. While primarily working on defence products and contracts, contractors with domain experience in adjacent areas are encouraged to apply for this role. * Hardware Integration * HDL Languages - Strong knowledge of Hardware Description Languages (HDLs) such as VHDL and Verilog. * Hardware design and verification against an agreed set of requirements * Create and
NEW