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        8 Permanent API jobs in London + 20 miles

        AI Solutions Engineer

        McGregor Boyall Associates Limited
        London
        £85000.00 - £95000 per annum
        Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
        Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
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        Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
        Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
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        NEW

        IT Project Engineer

        Networking People (UK) Limited
        London
        £50000 - £70000 per annum + + benefits
        Advanced automation experience using PowerShell, Graph API, or Azure Automation for large-scale management and orchestration.
        Advanced automation experience using PowerShell, Graph API, or Azure Automation for large-scale management and orchestration.
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        NEW

        Non-Functional Testing Engineer

        McGregor Boyall Associates Limited
        E1, East London
        £75000 - £850000 per annum + + Additional Benefits
        I'm supporting a client of mine in their search for a Non-Functional Testing Specialist to help define, shape, and manage their Non-Functional test requirements. *Please note that although Performance Testing is part of the role, this is a full-fledged Non-Functional Test Engineer role, covering Performance, Disaster Recovery, Microservices, Resilience, Alerting, Security & Monitoring.* As a specialist in non-functional testing, you will play a key role in supporting Product Owners by helping to define, refine, and manage non-functional test requirements. Collaborating closely with technical experts and analysts, you will convert these requirements into a comprehensive test strategy. You will also be responsible for ensuring that planning, preparation, and execution of the tests are carried out effectively and on schedule, in close coordination with the Infrastructure
        I'm supporting a client of mine in their search for a Non-Functional Testing Specialist to help define, shape, and manage their Non-Functional test requirements. *Please note that although Performance Testing is part of the role, this is a full-fledged Non-Functional Test Engineer role, covering Performance, Disaster Recovery, Microservices, Resilience, Alerting, Security & Monitoring.* As a specialist in non-functional testing, you will play a key role in supporting Product Owners by helping to define, refine, and manage non-functional test requirements. Collaborating closely with technical experts and analysts, you will convert these requirements into a comprehensive test strategy. You will also be responsible for ensuring that planning, preparation, and execution of the tests are carried out effectively and on schedule, in close coordination with the Infrastructure
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        Espire Infolabs is hiring for MS Power Platform Engineer for London, UK location. Job Title: MS Power Platform Engineer - Job Type: Permanent - Job Location: London (3 Days/week onsite) We are seeking a skilled Power Platform Engineer with deep insurance industry expertise to design, develop, and implement automation solutions using Microsoft Power Platform technologies. The successful candidate will serve as a technical expert in Power Automate and broader Power Platform capabilities while effectively managing stakeholder relationships and driving digital transformation initiatives within the insurance and re-insurance domain. Key Responsibilities - Technical Development * Design and develop complex automation workflows using Power Automate (formerly Microsoft Flow) * Microsoft Copilot Studio * Build custom applications using Power Apps to meet specific business requ
        Espire Infolabs is hiring for MS Power Platform Engineer for London, UK location. Job Title: MS Power Platform Engineer - Job Type: Permanent - Job Location: London (3 Days/week onsite) We are seeking a skilled Power Platform Engineer with deep insurance industry expertise to design, develop, and implement automation solutions using Microsoft Power Platform technologies. The successful candidate will serve as a technical expert in Power Automate and broader Power Platform capabilities while effectively managing stakeholder relationships and driving digital transformation initiatives within the insurance and re-insurance domain. Key Responsibilities - Technical Development * Design and develop complex automation workflows using Power Automate (formerly Microsoft Flow) * Microsoft Copilot Studio * Build custom applications using Power Apps to meet specific business requ
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        NEWFEATURED

        Lead Android Engineer

        Halian Technology Limited
        London
        From £82,000 to £92,000 per annum
        Halian Technology are searching for an Lead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
        Halian Technology are searching for an Lead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
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        Title: Laboratory Systems Specialist - Location: Slough - Visa and Relocation support is offered with this role. Today, Lonza is a global leader in life sciences operating across five continents. While we work in science, theres no magic formula to how we do it. Our greatest scientific solution is talented people working together, devising ideas that help businesses to help people. In exchange, we let our people own their careers. Their ideas, big and small, genuinely improve the world. And thats the kind of work we want to be part of. The role of a Laboratory Systems Specialist is to lead the development and implementation of robust Lab/digital infrastructure within our R&D laboratories for the UK and US locations. This is pivotal in enabling efficient, automated data exchange between laboratory instruments and enterprise informatics systems such as Electronic Lab no
        Title: Laboratory Systems Specialist - Location: Slough - Visa and Relocation support is offered with this role. Today, Lonza is a global leader in life sciences operating across five continents. While we work in science, theres no magic formula to how we do it. Our greatest scientific solution is talented people working together, devising ideas that help businesses to help people. In exchange, we let our people own their careers. Their ideas, big and small, genuinely improve the world. And thats the kind of work we want to be part of. The role of a Laboratory Systems Specialist is to lead the development and implementation of robust Lab/digital infrastructure within our R&D laboratories for the UK and US locations. This is pivotal in enabling efficient, automated data exchange between laboratory instruments and enterprise informatics systems such as Electronic Lab no
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        2 exact matches jobs are outside your preferred location

        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
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        NEWFEATURED

        These jobs might also interest you

        This role requires a highly skilled, hands-on Lead Integration Engineer with significant experience in AWS, Python, and integration platforms. The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment. * Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure * Collaborate with Data and Infrastructure teams to translate requirements into robust technical solutions that align with the overall integration architecture * Produce and maintain clear documentation of integration flows * Strong experience with RESTful API integrations * Proven understanding of integration ETL/ELT concepts - Contra
        This role requires a highly skilled, hands-on Lead Integration Engineer with significant experience in AWS, Python, and integration platforms. The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment. * Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure * Collaborate with Data and Infrastructure teams to translate requirements into robust technical solutions that align with the overall integration architecture * Produce and maintain clear documentation of integration flows * Strong experience with RESTful API integrations * Proven understanding of integration ETL/ELT concepts - Contra
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        AI Solutions Engineer

        McGregor Boyall Associates Limited
        EC1, City of London
        Negotiable
        McGregor Boyall have partnered with a Logistics company who are seeking support to identify, design, and create AI-driven solutions that can drive operational efficiency and foster innovation across their organization. * Identifying and prioritizing high-impact AI use cases across departments * Designing and deploying AI agents and tools to automate tasks and optimize internal workflows. * Integrating AI capabilities with existing systems and platforms. * Leveraging proprietary and external data to develop, train, and fine-tune user-generated AI models. * Ensuring all solutions meet rigorous standards for data privacy, security, and compliance. * improving solutions based on real-world usage and feedback. * Build and deploy AI-powered workflows - This is a contract role - negotiable day rate. * Python or JavaScript * Knowledge of automation platforms * Strong experien
        McGregor Boyall have partnered with a Logistics company who are seeking support to identify, design, and create AI-driven solutions that can drive operational efficiency and foster innovation across their organization. * Identifying and prioritizing high-impact AI use cases across departments * Designing and deploying AI agents and tools to automate tasks and optimize internal workflows. * Integrating AI capabilities with existing systems and platforms. * Leveraging proprietary and external data to develop, train, and fine-tune user-generated AI models. * Ensuring all solutions meet rigorous standards for data privacy, security, and compliance. * improving solutions based on real-world usage and feedback. * Build and deploy AI-powered workflows - This is a contract role - negotiable day rate. * Python or JavaScript * Knowledge of automation platforms * Strong experien
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        Lead Engineer - Global investment bank

        McGregor Boyall Associates Limited
        London
        £150000 - £180000 per annum + bonus, pension, healthcare
        This is an opportunity to join at SVP level as a hands-on Technical Lead, steering engineering standards, cloud strategy, and distributed system design for one of the most ambitious financial technology projects in the world. * Lead technical direction of a next-gen cross-asset risk platform - We are partnering with a global financial institution on a Greenfield platform build that will redefine large-scale risk and trading technology. Why apply? * Greenfield engineering - modern tech stack: Java, Spring Boot, Kubernetes (EKS & GKE), Kafka, Apache Ignite, MongoDB, RabbitMQ, Solace * Massive scale - billions of risk calculations per day across trading desks globally * Impact & visibility - shape the technical direction while mentoring global engineering teams * Hybrid working - Moorgate Innovation Lab, 2 days per week onsite * Compensa
        This is an opportunity to join at SVP level as a hands-on Technical Lead, steering engineering standards, cloud strategy, and distributed system design for one of the most ambitious financial technology projects in the world. * Lead technical direction of a next-gen cross-asset risk platform - We are partnering with a global financial institution on a Greenfield platform build that will redefine large-scale risk and trading technology. Why apply? * Greenfield engineering - modern tech stack: Java, Spring Boot, Kubernetes (EKS & GKE), Kafka, Apache Ignite, MongoDB, RabbitMQ, Solace * Massive scale - billions of risk calculations per day across trading desks globally * Impact & visibility - shape the technical direction while mentoring global engineering teams * Hybrid working - Moorgate Innovation Lab, 2 days per week onsite * Compensa
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        Lead Applied AI Engineer

        SUMMER-BROWNING ASSOCIATES LIMITED
        E1, East London
        £700 - £750 per day
        Summer-Browning Associates are currently supporting our Central Government client, who are seeking a Lead Applied AI Engineer on an initial 6 month assignment. You will be responsible for leading the design and establishment of frameworks, tools and processes to responsibly develop, deploy and monitor AI products. * Experience with natural language processing, deep learning and generative AI. * Building AI agents, or products that rely on AI agents * Developing and working with tools and interfaces for AI applications (e.g. Anthropic's Model Context Protocol) Location: London, Bristol or Manchester (hybrid - must be able to travel to London for key meetings) * Proficient experience in Python * Strong software engineering skills with a focus on buildin
        Summer-Browning Associates are currently supporting our Central Government client, who are seeking a Lead Applied AI Engineer on an initial 6 month assignment. You will be responsible for leading the design and establishment of frameworks, tools and processes to responsibly develop, deploy and monitor AI products. * Experience with natural language processing, deep learning and generative AI. * Building AI agents, or products that rely on AI agents * Developing and working with tools and interfaces for AI applications (e.g. Anthropic's Model Context Protocol) Location: London, Bristol or Manchester (hybrid - must be able to travel to London for key meetings) * Proficient experience in Python * Strong software engineering skills with a focus on buildin
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        Lead AI Engineer

        Change-IT Consulting Ltd
        London
        From £700 to £750 per day
        Lead Applied AI Engineer Change-IT are looking for a Lead AI Engineer to join a large central government organisation based in London. * Experience with natural language processing, deep learning and generative AI. * Building AI agents, or products that rely on AI agents * Developing and working with tools and interfaces for AI applications (e.g. Anthropics Model Context Protocol) 6 Months - Hybrid between London, Bristol or Manchester - INSIDE IR35 £700-£750 per day - This role is for 6 months initially, with possibility of extension. This role is INSIDE IR35, paying between £700-£750 per day dependent on experience. * Proficiency in Python. * Working in dynamic environments and navigating ambiguity, prioritising ruthlessly where nec
        Lead Applied AI Engineer Change-IT are looking for a Lead AI Engineer to join a large central government organisation based in London. * Experience with natural language processing, deep learning and generative AI. * Building AI agents, or products that rely on AI agents * Developing and working with tools and interfaces for AI applications (e.g. Anthropics Model Context Protocol) 6 Months - Hybrid between London, Bristol or Manchester - INSIDE IR35 £700-£750 per day - This role is for 6 months initially, with possibility of extension. This role is INSIDE IR35, paying between £700-£750 per day dependent on experience. * Proficiency in Python. * Working in dynamic environments and navigating ambiguity, prioritising ruthlessly where nec
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        NEW
        The Product Test and Diagnosis team requires more expertise and experience in the area of board / PCBA hardware test as part of our mission to deliver the high quality manufacturing test solutions that our advanced technology products require. * Experience in manufacturing test of advanced electronic systems - A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. The role requires close interaction with the hardware design team and other parts of the PTD team in order to define and develop appropriate test solutions using techniques such as boundary scan and embedded functional test. The Product
        The Product Test and Diagnosis team requires more expertise and experience in the area of board / PCBA hardware test as part of our mission to deliver the high quality manufacturing test solutions that our advanced technology products require. * Experience in manufacturing test of advanced electronic systems - A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. The role requires close interaction with the hardware design team and other parts of the PTD team in order to define and develop appropriate test solutions using techniques such as boundary scan and embedded functional test. The Product
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        NEW
        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.
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        Lead Sensor Fusion Software Engineer

        YT Technologies
        MK1, Milton Keynes
        From £70,000 to £80,000 per annum
        YT Technologies are on the lookout for a sensor fusion software engineer in Milton Keynes. The role involves architecting, designing, implementing and testing embedded applications primarily focused around sensor suite integration and fusion as well as leading a small team. * Knowledge of state estimation / sensor fusion / navigation tools and techniques e.g. Kalman filters. * Knowledge of the principles and characteristics of sensors and sensing processes. * Experience in sensor selection, evaluation and modelling. * Software Architecture skills for Embedded Systems and/or backend/server-based applications taking into account constraints of performance, security and redundancy - Key Requirements; * Strong working experience of develo
        YT Technologies are on the lookout for a sensor fusion software engineer in Milton Keynes. The role involves architecting, designing, implementing and testing embedded applications primarily focused around sensor suite integration and fusion as well as leading a small team. * Knowledge of state estimation / sensor fusion / navigation tools and techniques e.g. Kalman filters. * Knowledge of the principles and characteristics of sensors and sensing processes. * Experience in sensor selection, evaluation and modelling. * Software Architecture skills for Embedded Systems and/or backend/server-based applications taking into account constraints of performance, security and redundancy - Key Requirements; * Strong working experience of develo
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        We are looking for a motivated Performance engineer to influence the roadmap of our communication libraries. This is an outstanding opportunity for someone with HPC and performance background to advance the state of the art in this space. * M.S. (or equivalent experience) or PHD in Computer Science, or related field with relevant performance engineering and HPC experience * Experience conducting performance benchmarking and triage on large scale HPC clusters - NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. Our GPU communication libraries are crucial for scaling Deep Learning and HPC applications! The DL and HPC applications of today have a huge compute demand and run on scales which go up to tens of thousands of GPUs. Communication performance between the GPUs has a direct impact on th
        We are looking for a motivated Performance engineer to influence the roadmap of our communication libraries. This is an outstanding opportunity for someone with HPC and performance background to advance the state of the art in this space. * M.S. (or equivalent experience) or PHD in Computer Science, or related field with relevant performance engineering and HPC experience * Experience conducting performance benchmarking and triage on large scale HPC clusters - NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. Our GPU communication libraries are crucial for scaling Deep Learning and HPC applications! The DL and HPC applications of today have a huge compute demand and run on scales which go up to tens of thousands of GPUs. Communication performance between the GPUs has a direct impact on th
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        NEW

        Solutions Engineer

        THE IDOLS GROUP LIMITED
        London
        £80000 - £100000 per annum
        Data Idols are working with a fast-growing technology organisation to hire a Solutions Engineer. As a Solutions Engineer, you'll operate at the crossroads of data engineering, analytics, and stakeholder engagement. This is a highly collaborative, client-facing role focused on delivering impactful, data-driven solutions to real-world business challenges. You'll be embedded directly into client teams, helping to scope business needs, define solution architecture, and implement scalable data products that deliver measurable value. This role offers the chance to bridge technical expertise with commercial outcomes-perfect for someone who enjoys designing and deploying solutions while partnering closely with both technical and non-technical stakeholders. * Supporting deployment and integrat
        Data Idols are working with a fast-growing technology organisation to hire a Solutions Engineer. As a Solutions Engineer, you'll operate at the crossroads of data engineering, analytics, and stakeholder engagement. This is a highly collaborative, client-facing role focused on delivering impactful, data-driven solutions to real-world business challenges. You'll be embedded directly into client teams, helping to scope business needs, define solution architecture, and implement scalable data products that deliver measurable value. This role offers the chance to bridge technical expertise with commercial outcomes-perfect for someone who enjoys designing and deploying solutions while partnering closely with both technical and non-technical stakeholders. * Supporting deployment and integrat
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        FEATURED
        As a Principal Engineer, you will provide engineering solutions for unified policy engine platform's development, implementation, and optimisation. * Responsible to collaborate with Cyber and Risk teams for security control definitions, and author & implement policies into native cloud platforms/policy tools. * Proven experience in leading enterprise/platform engineering teams. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Your mission is to build flawless, secure, scalable, and efficient enterprise cloud compliance solutions. You will collaborate with multifunctional teams, embrace DevSecOps practices, leverage Infrastructure as Code (IaC) tools like Terraform, and promote the shift-le
        As a Principal Engineer, you will provide engineering solutions for unified policy engine platform's development, implementation, and optimisation. * Responsible to collaborate with Cyber and Risk teams for security control definitions, and author & implement policies into native cloud platforms/policy tools. * Proven experience in leading enterprise/platform engineering teams. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Your mission is to build flawless, secure, scalable, and efficient enterprise cloud compliance solutions. You will collaborate with multifunctional teams, embrace DevSecOps practices, leverage Infrastructure as Code (IaC) tools like Terraform, and promote the shift-le
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        What is the average salary for API in London?

        Average salary per year
        £72,499

        The average salary for a API in London is £72,499. API in London salaries range from £62,499 to £87,499.

        Frequently Asked Questions

        How many permanent API jobs are there in London?
        There are 8 permanent API jobs within 20 miles of London available on JustEngineers right now.

        Where in London are these permanent jobs?
        You can find permanent jobs in City of London, East London, South West London.

        What other similar jobs are there to permanent API jobs in London?
        As well as permanent API jobs in London, you can find permanent Engineering, Software Development, Infrastructure, amongst many others.