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Api
Cambridgeshire
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0 Permanent API jobs in Cambridgeshire + 20 miles
14 exact matches jobs are outside your preferred location
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We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
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Deliver high-quality, responsive web and mobile apps, leveraging modern frameworks such as Vite, React Query, Context API, and CSS libraries.
Deliver high-quality, responsive web and mobile apps, leveraging modern frameworks such as Vite, React Query, Context API, and CSS libraries.
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Implement and champion advanced integration patterns, including microservices, API-led connectivity, event-driven architectures, and pub/sub models, to deliver resilient, future-proof solutions. * Proficiency in Azure Integration Services: Logic Apps, API Management, Service Bus, Event Grid. * Solid understanding of integration patterns: pub/sub, event-driven, API-led connectivity, request/response, batch. * Awareness of security best practices: OAuth2, JWT, TLS, API security.
Implement and champion advanced integration patterns, including microservices, API-led connectivity, event-driven architectures, and pub/sub models, to deliver resilient, future-proof solutions. * Proficiency in Azure Integration Services: Logic Apps, API Management, Service Bus, Event Grid. * Solid understanding of integration patterns: pub/sub, event-driven, API-led connectivity, request/response, batch. * Awareness of security best practices: OAuth2, JWT, TLS, API security.
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Experience with API testing tools (e.g., Postman, REST Assured).
Experience with API testing tools (e.g., Postman, REST Assured).
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Proficient in hands-on development, coding, and API design.
Proficient in hands-on development, coding, and API design.
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Proficient in hands-on development, coding, and API design.
Proficient in hands-on development, coding, and API design.
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£50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
£50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
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Happy to look at European relocators - An Edtech Start-up in London are building something transformative in the education space using cutting-edge machine learning. We're looking for aLead ML Engineerto take ownership of the machine learning strategy, build out the team, and help shape the future of AI in education. * Build and lead a new ML team from the ground up. * Define the tech stack for data pipelines and ML models. * Develop generative models using diverse datasets (text, audio, video, test results). * Design and deploy data integration and analysis pipelines. * Collaborate with engineers and product managers to bring ML features to life. * Create innovative language assessments and predictive models. * Optimize models for performance, scalability, and accuracy. * Deep knowledge of neural networks (CNNs, RNNs, LSTMs, Transformers).
Happy to look at European relocators - An Edtech Start-up in London are building something transformative in the education space using cutting-edge machine learning. We're looking for aLead ML Engineerto take ownership of the machine learning strategy, build out the team, and help shape the future of AI in education. * Build and lead a new ML team from the ground up. * Define the tech stack for data pipelines and ML models. * Develop generative models using diverse datasets (text, audio, video, test results). * Design and deploy data integration and analysis pipelines. * Collaborate with engineers and product managers to bring ML features to life. * Create innovative language assessments and predictive models. * Optimize models for performance, scalability, and accuracy. * Deep knowledge of neural networks (CNNs, RNNs, LSTMs, Transformers).
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Non-Functional Testing Engineer
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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Staff Back End Engineer
Staff Back End Engineer
John Lewis Head Office
SW1V, South West London, SW1V 2QQ
Up to £94,200 per annum
REST API development and/or consumption.
REST API development and/or consumption.
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Most functionality is written by the API or integrations team but we need a strong developer that can do both.
Most functionality is written by the API or integrations team but we need a strong developer that can do both.
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About the Opportunity - Our Solution Engineers are close partners of our sales team and own key components of the sales process including infrastructural/architectural discovery, collaborative solution design, and technical validation. Solution Engineers may travel up to 50% of the time and will have the opportunity to work with teams around the world, from visionary brands to innovative digital agencies. What to expect? * This is a customer-facing role and, as such, you should expect up to 50% of your time to be spent on travel to the office and/or customer locations. * Work directly with our Enterprise Account Executives to support DACH customers * Support our sales team in helping prospects understand whats possible with Contentful and how it compares to older legacy technologies * Understand prospects' project requirements, help prospects validate these requiremen
About the Opportunity - Our Solution Engineers are close partners of our sales team and own key components of the sales process including infrastructural/architectural discovery, collaborative solution design, and technical validation. Solution Engineers may travel up to 50% of the time and will have the opportunity to work with teams around the world, from visionary brands to innovative digital agencies. What to expect? * This is a customer-facing role and, as such, you should expect up to 50% of your time to be spent on travel to the office and/or customer locations. * Work directly with our Enterprise Account Executives to support DACH customers * Support our sales team in helping prospects understand whats possible with Contentful and how it compares to older legacy technologies * Understand prospects' project requirements, help prospects validate these requiremen
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Understanding of RESTful API development and microservices.
Understanding of RESTful API development and microservices.
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About Graphcore - How often do you get the chance to build a technology that transforms the future of humanity? Graphcore products have set the standard in made-for-AI compute hardware and software, gaining global attention and industry acclaim. Now we are developing the next generation of artificial intelligence compute with systems that will allow AI researchers to develop more advanced models, help scientists unlock exciting new discoveries, and power companies around the world as they put AI at the heart of their business. Graphcore recently joined SoftBank Group bringing large and ongoing investment from one of the worlds leading backers of innovative AI companies. Job Summary - We are looking for high-quality silicon physical design engineers to complement our existing exceptional team. We have a range of roles available with focus on those with extensive ranges
About Graphcore - How often do you get the chance to build a technology that transforms the future of humanity? Graphcore products have set the standard in made-for-AI compute hardware and software, gaining global attention and industry acclaim. Now we are developing the next generation of artificial intelligence compute with systems that will allow AI researchers to develop more advanced models, help scientists unlock exciting new discoveries, and power companies around the world as they put AI at the heart of their business. Graphcore recently joined SoftBank Group bringing large and ongoing investment from one of the worlds leading backers of innovative AI companies. Job Summary - We are looking for high-quality silicon physical design engineers to complement our existing exceptional team. We have a range of roles available with focus on those with extensive ranges
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The Senior Vice President, ONE Delivery and Solution Engineering role will be responsible and accountable for all services delivered by the ONE organization to the CTOs they are aligned to, ensuring that customer needs, portfolio outcomes, and technology service delivery are consistently aligned with the CTOs strategic vision, driving enterprise-level impact across the organization. This role complements the work of CTOs and other senior leaders by bridging strategy with execution by ONE, ensuring alignment across portfolios, and providing real-time transparency into risks, roadmaps, and enterprise outcomes. Serves as the single point of accountability for technology service delivery, infrastructure design engineering and Site Reliability Engineering aligning customer needs and portfo
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FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes. As a hands-on Engineer, youll build with purpose solving real-world problems with measurable impact. Our engineers operate with a clear 'why' staying aligned to strategic outcomes while putting the customer at the center of every decision. * Lead with data: You trust the numbers, validate assumptions, and learn from failures. FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategie
FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes. As a hands-on Engineer, youll build with purpose solving real-world problems with measurable impact. Our engineers operate with a clear 'why' staying aligned to strategic outcomes while putting the customer at the center of every decision. * Lead with data: You trust the numbers, validate assumptions, and learn from failures. FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategie
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Partnering with your product manager, other engineering managers, staff engineers, architect, agile coach and engineering director to formulate a domain level technical strategy - Join our team and youll be responsible for providing technical leadership to all engineering and development areas across your domain, developing and executing an engineering strategy aligned to the portfolio and global tech strategies. * Managing and mentoring engineering professionals in your teams and domain, setting objectives for your teams and domain, owning the delivery of the outcomes, monitoring ongoing progress and performance within the OKR framework * Facilitate communication between teams under your leadership and enabling free exchange of information within your sphere of influ
Partnering with your product manager, other engineering managers, staff engineers, architect, agile coach and engineering director to formulate a domain level technical strategy - Join our team and youll be responsible for providing technical leadership to all engineering and development areas across your domain, developing and executing an engineering strategy aligned to the portfolio and global tech strategies. * Managing and mentoring engineering professionals in your teams and domain, setting objectives for your teams and domain, owning the delivery of the outcomes, monitoring ongoing progress and performance within the OKR framework * Facilitate communication between teams under your leadership and enabling free exchange of information within your sphere of influ
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Full-Stack Software Engineer - London - 5 days a week - I'm working with a well funded early stage AI platform looking for a versatile full-stack engineer to join the London platform team as one of the first engineers. Location: London, central, fully onsite (early stage, London platform team) Salary: Up to £130,000 - Seniority: 3-8 years | Permanent | Early hire on a small platform team - This role is perfect for someone who loves shipping product, moving fast, and solving novel technical problems that sit at the intersection of data, systems and user experience. What you'll own * Deliver a fast, reliable user-facing platform that real customers use every day * Iterate quickly on product features and infrastructure for novel technical problems * Own slices of the stack end to end, from SQL and backend logic to front
Full-Stack Software Engineer - London - 5 days a week - I'm working with a well funded early stage AI platform looking for a versatile full-stack engineer to join the London platform team as one of the first engineers. Location: London, central, fully onsite (early stage, London platform team) Salary: Up to £130,000 - Seniority: 3-8 years | Permanent | Early hire on a small platform team - This role is perfect for someone who loves shipping product, moving fast, and solving novel technical problems that sit at the intersection of data, systems and user experience. What you'll own * Deliver a fast, reliable user-facing platform that real customers use every day * Iterate quickly on product features and infrastructure for novel technical problems * Own slices of the stack end to end, from SQL and backend logic to front
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This is a hands-on leadership role combining deep technical insight, strong stakeholder engagement, and strategic delivery. You'll be responsible for shaping and delivering the roadmap. You'll also be line managing the engineers in your squad, supporting their growth, career development, and wellbeing, and helping shape the future team through recruitment and onboarding. Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others. Our database engine is MongoDB and our observability platform is Datadog. Our application is written in Typescript/NodeJS and our infrastructure is defined in Terraform. * Experience working with JavaScript/TypeScript but also open to other languages like Go or Python. * Required experience working within Financial Services/Fintech space.
This is a hands-on leadership role combining deep technical insight, strong stakeholder engagement, and strategic delivery. You'll be responsible for shaping and delivering the roadmap. You'll also be line managing the engineers in your squad, supporting their growth, career development, and wellbeing, and helping shape the future team through recruitment and onboarding. Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others. Our database engine is MongoDB and our observability platform is Datadog. Our application is written in Typescript/NodeJS and our infrastructure is defined in Terraform. * Experience working with JavaScript/TypeScript but also open to other languages like Go or Python. * Required experience working within Financial Services/Fintech space.
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Position: AI Engineer / AI Agent / Backend AI Engineer We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. * Work on cutting-edge AI innovation - Location: Remote - Work Type: Contract - You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encour
Position: AI Engineer / AI Agent / Backend AI Engineer We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. * Work on cutting-edge AI innovation - Location: Remote - Work Type: Contract - You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encour
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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
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Head of Engineering, Fintech Startup
Head of Engineering, Fintech Startup
Richard Wheeler Associates
EC1V, City of London
Negotiable + Equity
Head of Engineering/Founding Engineer, Fintech Startup - As Head of Engineering youll touch architecture, infra, product, distribution; youll write code that defines the company - and make decisions that define its culture. You will be ownership-oriented, obsessed with quality, user-driven, eager to get in front of customers, exceptionally driven, hungry, passionate, personable. TypeScript, Next.js, AWS, AI - Six-figure salary + Equity that exceeds market-standard - London - hybrid - Our client is an early-stage AI start-up with significant funding secured, early infrastructure built, MVP already live, 3 major pilot partners in motion. The vision set: become the agentic workflow automation for accounting. As Founding Engineer you will create the tech team. The person were seeking will indisputably have tech start-up e
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Microsoft Power Platform / Agentic AI Engineer
Microsoft Power Platform / Agentic AI Engineer
cer Financial
EC2M, City of London
£705 per day £705 per day (via Umbrella)
They are seeking a Microsoft Power Platform / Agentic AI Engineer to work with them on a contract. * Develop Power Automate flows triggered by AI agents or business events. * Design and build conversational agents using Microsoft Copilot Studio. * Create Power Apps frontends integrated with GenAI services and enterprise data. * Microsoft 365 & Graph API Integration * RAG pipelines grounded in enterprise data via Azure AI Search * Azure AI Search (vector indexing, hybrid search) * Microsoft Entra ID (Azure AD) for identity and access control * Copilot Studio, Power Automate, Power Apps, custom connectors * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel * Azure AI Search, Form Recognizer, and Language Services * Responsible AI frameworks (e.g., NIST AI RMF, ISO/IEC 42001) City of London - Hybrid (3/2 split) 6-months contract £705 per day (via Umbr
They are seeking a Microsoft Power Platform / Agentic AI Engineer to work with them on a contract. * Develop Power Automate flows triggered by AI agents or business events. * Design and build conversational agents using Microsoft Copilot Studio. * Create Power Apps frontends integrated with GenAI services and enterprise data. * Microsoft 365 & Graph API Integration * RAG pipelines grounded in enterprise data via Azure AI Search * Azure AI Search (vector indexing, hybrid search) * Microsoft Entra ID (Azure AD) for identity and access control * Copilot Studio, Power Automate, Power Apps, custom connectors * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel * Azure AI Search, Form Recognizer, and Language Services * Responsible AI frameworks (e.g., NIST AI RMF, ISO/IEC 42001) City of London - Hybrid (3/2 split) 6-months contract £705 per day (via Umbr
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We are seeking an experienced Power Platform Specialist to drive process automation and digitalization. This role requires integrating the Power Platform with advanced AI/ML solutions. * Power Platform: Expert in Power Apps, Power Automate (RPA), Power BI, and PowerShell. * AI/Cloud Integration: Hands-on experience with GenAI - LLMOps, Azure Cognitive Services, Azure Functions, and Logic Apps. Location: London, UK (Hybrid) Type: 9 - 12 Months Contract Role - Pay Rate: £300 - £370/day (Inside IR35) Environment: Major Investment Bank * Development: Minimum 4+ years IT Development, strong Python, SQL, and Agile experience. * Tooling: Familiarity with ServiceNow Orchestra
We are seeking an experienced Power Platform Specialist to drive process automation and digitalization. This role requires integrating the Power Platform with advanced AI/ML solutions. * Power Platform: Expert in Power Apps, Power Automate (RPA), Power BI, and PowerShell. * AI/Cloud Integration: Hands-on experience with GenAI - LLMOps, Azure Cognitive Services, Azure Functions, and Logic Apps. Location: London, UK (Hybrid) Type: 9 - 12 Months Contract Role - Pay Rate: £300 - £370/day (Inside IR35) Environment: Major Investment Bank * Development: Minimum 4+ years IT Development, strong Python, SQL, and Agile experience. * Tooling: Familiarity with ServiceNow Orchestra
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As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. Lead Backend Developer * Design, develop, and optimise scalable backend services in Python, leveraging FastAPI. * Lead architectural discussions with a focus on performance, scalability, and reliability. Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the
As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. Lead Backend Developer * Design, develop, and optimise scalable backend services in Python, leveraging FastAPI. * Lead architectural discussions with a focus on performance, scalability, and reliability. Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the