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74 Permanent API jobs in Park Royal + 20 miles
263 exact matches jobs are outside your preferred location
London (Hybrid - 5 days a month) £80,000 - £110,000 depending on experience - My client, a RegTech leader, is looking for a Machine Learning Engineer to join a growing AI/ML team working on cutting-edge NLP, search, and classification problems. This is a chance to shape and productionise ML solutions that directly impact a global user base in financial services. What You'll Do * Design, build, and productionise ML/NLP models for large-scale SaaS products and APIs * Write clear, modular, testable Python code and deploy via modern CI/CD pipelines * Improve performance and scalability of models, data ingestion, cleaning, and pipelines * Explore new ML/NLP techniques and keep the team up to date with research trends * Propose cloud architectures and ensure robust ML operations (MLOps) * Collaborate through code reviews, knowledge sharing, and documentation - What We're Lo
London (Hybrid - 5 days a month) £80,000 - £110,000 depending on experience - My client, a RegTech leader, is looking for a Machine Learning Engineer to join a growing AI/ML team working on cutting-edge NLP, search, and classification problems. This is a chance to shape and productionise ML solutions that directly impact a global user base in financial services. What You'll Do * Design, build, and productionise ML/NLP models for large-scale SaaS products and APIs * Write clear, modular, testable Python code and deploy via modern CI/CD pipelines * Improve performance and scalability of models, data ingestion, cleaning, and pipelines * Explore new ML/NLP techniques and keep the team up to date with research trends * Propose cloud architectures and ensure robust ML operations (MLOps) * Collaborate through code reviews, knowledge sharing, and documentation - What We're Lo
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Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. Hybrid Working in the City of London, London. 3 days in the office and 2 days from home. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions
Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. Hybrid Working in the City of London, London. 3 days in the office and 2 days from home. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions
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We are looking for an enthusiastic and proactive Automation Tester with Python and Pytest experience to join our fantastic fintech client, largely remote with get togethers once a month in central London! This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium, Java, PHP, Go, or similar technologies. * Experience with Postman, SOAP UI, and Cucumber. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
We are looking for an enthusiastic and proactive Automation Tester with Python and Pytest experience to join our fantastic fintech client, largely remote with get togethers once a month in central London! This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium, Java, PHP, Go, or similar technologies. * Experience with Postman, SOAP UI, and Cucumber. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
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Software Developer (Java / Kotlin / React.js) Hybrid London or Munich £70,000 - £90,000 p/a + Benefits - An innovative digital insurance platform is looking for a talented Full Stack Software Developer to join its growing international team. The business is transforming the way consumers engage with insurance, creating simple, transparent, and personalised experiences, and now expanding into new products and markets. As part of a small, highly skilled cross-functional team of engineers, designers, and domain experts, youll have direct input into platform architecture and strategy, working on impactful projects from day one. This is an exciting opportunity to shape a fast-scaling platform while working with modern tools and practices. Key Responsibilities * Lead development of core platform services and REST APIs in Kotlin.
Software Developer (Java / Kotlin / React.js) Hybrid London or Munich £70,000 - £90,000 p/a + Benefits - An innovative digital insurance platform is looking for a talented Full Stack Software Developer to join its growing international team. The business is transforming the way consumers engage with insurance, creating simple, transparent, and personalised experiences, and now expanding into new products and markets. As part of a small, highly skilled cross-functional team of engineers, designers, and domain experts, youll have direct input into platform architecture and strategy, working on impactful projects from day one. This is an exciting opportunity to shape a fast-scaling platform while working with modern tools and practices. Key Responsibilities * Lead development of core platform services and REST APIs in Kotlin.
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Role Full Stack Developer - Location - London (Remote) Salary - £70K - £85K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
Role Full Stack Developer - Location - London (Remote) Salary - £70K - £85K - Role Type Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview - Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
Role: QA Engineer - Location: London - Type: Hybrid / Remote - Salary: TBC - Contract Type: Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. We are working with a fast-growing, product-led tech company and we are looking for a QA Engineer whos passionate about catching bugs, improving processes and making sure every release is rock solid. * Design and execute manual and automated test plans across web and mobile platforms * Collaborate with developers, designers, and PMs to ensure quality from ideation to release
Role: QA Engineer - Location: London - Type: Hybrid / Remote - Salary: TBC - Contract Type: Permanent - Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Our Recruitment Partners all have extensive industry experience, and work with a select group of niche clients, to deliver the best possible experience to the candidate. We are working with a fast-growing, product-led tech company and we are looking for a QA Engineer whos passionate about catching bugs, improving processes and making sure every release is rock solid. * Design and execute manual and automated test plans across web and mobile platforms * Collaborate with developers, designers, and PMs to ensure quality from ideation to release
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All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities * Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms * Identify, exploit, and document security vulnerabilities with detailed risk assessment * Develop and execute red team exercises and threat simulations * Collaborate with development and infrastructure teams to remediate findings * Prepare comprehensive reports outlining findings, impact, and mitigation strategies * Stay current with latest attack vectors, tools, and security trends * Assist in security awareness training and internal education efforts * Contribute to security policies and best practices development - Required Skills & Qualific
All applicants must hold an active SC clearance. My client is a global leading IT consultancy. They are on the hunt for an SC cleared PEN Tester to join them on an assigment until the end of the year. Key Responsibilities * Conduct manual and automated penetration tests on web applications, networks, APIs, and mobile platforms * Identify, exploit, and document security vulnerabilities with detailed risk assessment * Develop and execute red team exercises and threat simulations * Collaborate with development and infrastructure teams to remediate findings * Prepare comprehensive reports outlining findings, impact, and mitigation strategies * Stay current with latest attack vectors, tools, and security trends * Assist in security awareness training and internal education efforts * Contribute to security policies and best practices development - Required Skills & Qualific
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Job Opportunity: SailPoint Engineer - Identity Security Cloud Specialist?? Location: London?? Type: Contract 6 Months Outside IR35?? Department: Cybersecurity / IAM - Up to £500/day Outside IR35?? We're looking for a SailPoint Engineer with a strong background in Identity Security Cloud solutions and technical identity recruitment processes. You will play a key role in streamlining our Identity and Access Management (IAM) by leveraging SailPoint's capabilities to ensure least-privilege access, enforce zero trust policies, and support full lifecycle identity governance - all while staying compliant with global regulations. * Design, configure, and maintain SailPoint IdentityNow and IdentityIQ solutions across cloud and on-prem environments. * Implement and optimize least-privilege access policies, automated role management, and real-time access monitoring.
Job Opportunity: SailPoint Engineer - Identity Security Cloud Specialist?? Location: London?? Type: Contract 6 Months Outside IR35?? Department: Cybersecurity / IAM - Up to £500/day Outside IR35?? We're looking for a SailPoint Engineer with a strong background in Identity Security Cloud solutions and technical identity recruitment processes. You will play a key role in streamlining our Identity and Access Management (IAM) by leveraging SailPoint's capabilities to ensure least-privilege access, enforce zero trust policies, and support full lifecycle identity governance - all while staying compliant with global regulations. * Design, configure, and maintain SailPoint IdentityNow and IdentityIQ solutions across cloud and on-prem environments. * Implement and optimize least-privilege access policies, automated role management, and real-time access monitoring.
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My client, a leader in the AI space, is seeking an experienced Vue.JS Frontend Developer to join and help build/enhance a Multi-Criteria Decision Analysis (MCDA) platform used worldwide. You'll be working on a modern Vue.js 3 codebase with PrimeVue and TypeScript, building AI-assisted decision-making tools and data-heavy interfaces. This will be initially 3+ months, fully remote and outside IR35. * Develop and optimise frontend features with Vue 3, PrimeVue, TypeScript, and Tailwind CSS * Work across the full development lifecycle, from design to production deployment * Integrate with REST APIs & FastAPI backend, enabling real-time collaboration and complex data visualisations * Drive AI-assisted development using Claude Code CLI, GitHub Spec Kit, and LLM APIs * Implement comprehensive Playwright testing (E2E, component, visual, accessibility, and performance testing)
My client, a leader in the AI space, is seeking an experienced Vue.JS Frontend Developer to join and help build/enhance a Multi-Criteria Decision Analysis (MCDA) platform used worldwide. You'll be working on a modern Vue.js 3 codebase with PrimeVue and TypeScript, building AI-assisted decision-making tools and data-heavy interfaces. This will be initially 3+ months, fully remote and outside IR35. * Develop and optimise frontend features with Vue 3, PrimeVue, TypeScript, and Tailwind CSS * Work across the full development lifecycle, from design to production deployment * Integrate with REST APIs & FastAPI backend, enabling real-time collaboration and complex data visualisations * Drive AI-assisted development using Claude Code CLI, GitHub Spec Kit, and LLM APIs * Implement comprehensive Playwright testing (E2E, component, visual, accessibility, and performance testing)
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REST API development
REST API development
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Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Experience with API design and development for both internal and external use cases
Experience with API design and development for both internal and external use cases
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Technical Architect
Technical Architect
Inspire People
London
£71590 - £85413 per annum + 29% pension + Civil Service benefits
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
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Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
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Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
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You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
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Location & Working Model: Flexible Remote or hybrid options available depending on location - Employment Type: Permanent - About TxODDS - TxODDS is a premier provider of ultra low-latency, accurate odds data, fast scores, and innovative betting solutions for the global sports betting industry. With offices in London, Chicago, and Belgrade and team members working worldwide we deliver cutting-edge technology and data products that power some of the worlds top sportsbooks. About the Role - Were looking for a Developer to join our Data Acquisition team. This role plays a key part in building and maintaining the systems that power our real-time data delivery. Youll work closely with cross-functional teams to ensure the accuracy, reliability, and speed of the data we provide to our customers. In this role, youll take ownership of key responsibilities that help drive team a
Location & Working Model: Flexible Remote or hybrid options available depending on location - Employment Type: Permanent - About TxODDS - TxODDS is a premier provider of ultra low-latency, accurate odds data, fast scores, and innovative betting solutions for the global sports betting industry. With offices in London, Chicago, and Belgrade and team members working worldwide we deliver cutting-edge technology and data products that power some of the worlds top sportsbooks. About the Role - Were looking for a Developer to join our Data Acquisition team. This role plays a key part in building and maintaining the systems that power our real-time data delivery. Youll work closely with cross-functional teams to ensure the accuracy, reliability, and speed of the data we provide to our customers. In this role, youll take ownership of key responsibilities that help drive team a
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Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
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Support customers in achieving effective and efficient SDK and API integrations with Braze
Support customers in achieving effective and efficient SDK and API integrations with Braze
Skilled in designing and building REST APIs and understanding REST API architecture
Skilled in designing and building REST APIs and understanding REST API architecture
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Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
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SharePoint CSOM API
SharePoint CSOM API
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Related Jobs
Locations
- Duxford
- Lambeth
- The City, City (EC2)
- The City, City (EC3)
- Shoreditch
- Southwark
- Canary Wharf
- Euston
- Fivensgreen
- Frimley
- City of London
- Reading
- Central London
- West End
- Cambridge
- East London
- South East London
- Camberley
- Oxford
- South West London
- London
- Berkshire
- Cambridgeshire
- Surrey
- Hampshire
- Oxfordshire
- West Sussex
- Buckinghamshire
- Northamptonshire
- Bedfordshire
- South East
- East Anglia
- East Midlands
- Midlands