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        3 API jobs in London + 20 miles

        Lead React Native Engineer / Engineering manager

        Sanderson Recruitment
        City of London (EC1), EC1
        £600 - £700 per day + Outside IR35
        Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns
        Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns
        FEATURED
        Our client is seeking a contract Threat Detection Engineer to support the ongoing delivery of detection engineering activities within a busy SOC environment. This role is centred on hands-on engineering and execution, ensuring detection content, automations, and integrations are delivered effectively and aligned to operational priorities. Working closely with threat hunting and SOC teams, you will translate detection requirements into practical outcomes, contributing directly to sprint-based delivery and continuous service improvement. This is a highly technical role suited to someone who enjoys building, tuning, and optimising detection capabilities across modern security platforms. Key Responsibilities * Develop and deliver detection content in line with sprint priorities and operational requirements
        Our client is seeking a contract Threat Detection Engineer to support the ongoing delivery of detection engineering activities within a busy SOC environment. This role is centred on hands-on engineering and execution, ensuring detection content, automations, and integrations are delivered effectively and aligned to operational priorities. Working closely with threat hunting and SOC teams, you will translate detection requirements into practical outcomes, contributing directly to sprint-based delivery and continuous service improvement. This is a highly technical role suited to someone who enjoys building, tuning, and optimising detection capabilities across modern security platforms. Key Responsibilities * Develop and deliver detection content in line with sprint priorities and operational requirements
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        2 exact matches jobs are outside your preferred location

        Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
        Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
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        Own end-to-end GraphQL API delivery: schema design through to production integration, focusing on performance, maintainability, security, and scalability. * Strong commercial experience delivering Federated GraphQL in production (schema-first design, supergraph/subgraph architecture, resolvers, schema governance, and API evolution). * Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end).
        Own end-to-end GraphQL API delivery: schema design through to production integration, focusing on performance, maintainability, security, and scalability. * Strong commercial experience delivering Federated GraphQL in production (schema-first design, supergraph/subgraph architecture, resolvers, schema governance, and API evolution). * Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end).
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        Lead, Software & Platform Engineering We are seeking an experienced Lead Product Engineer to join our team in London. Technical leadership: Guide and mentor the engineering team, making key technical decisions and providing a strategic framework and detailed technical guidance covering architectural patterns, tactical design patterns, best practices, and a clear implementation process. Product development: Lead the technology assessment for new products/features, influencing design decisions to manage risks and develop mitigation plans. Lead AI integration: Work with leadership to implement the company's long-term AI strategy, identifying practical use cases for AI and translating product goals into actionable technical tasks. Lead the design, development, and deployment of AI-enhanced software solutions and oversee the integration of AI capabilities into products and workflows.
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        Job Title:Senior Engineer o Mentor and coach other engineers * Location: London * Days in the Office:2 days per week - o Work embedded in a cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming - o Drive the design and implementation of our systems, knowing the context and why we are implementing what we are implementing, whilst always looking to improve our systems and ways of working - o A willingness to pair program - o Strong verbal communication and collaboration skills - o In-depth knowledge and hands-on experience in a cross-functional, agile development team - o Enthusiasm for code development and education in this area - o Experience in pair programming - o Proficiency in idiomatic Kotlin for application development
        Job Title:Senior Engineer o Mentor and coach other engineers * Location: London * Days in the Office:2 days per week - o Work embedded in a cross-functional team with software developers, technical product owners and testers all working together towards common goals to develop JVM applications using Test Driven Development and Pair Programming - o Drive the design and implementation of our systems, knowing the context and why we are implementing what we are implementing, whilst always looking to improve our systems and ways of working - o A willingness to pair program - o Strong verbal communication and collaboration skills - o In-depth knowledge and hands-on experience in a cross-functional, agile development team - o Enthusiasm for code development and education in this area - o Experience in pair programming - o Proficiency in idiomatic Kotlin for application development
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        The silicon verification engineer is responsible for verification activities within Graphcore, helping the team meet the company objectives for quality silicon delivery. The verification team sits within the Silicon design team and is responsible for ensuring that the RTL created by the logical design team and used by the physical design team matches the architecture specification for Graphcore silicon. * Verification planning, specification and closure of functional coverage * Contributing to shared verification infrastructure Verification experience in relevant industry - Experience of the verification process applied in CPU and/or ASIC environments - About Graphcore - At Graphcore, were building the future of AI compute. Were a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at ...
        The silicon verification engineer is responsible for verification activities within Graphcore, helping the team meet the company objectives for quality silicon delivery. The verification team sits within the Silicon design team and is responsible for ensuring that the RTL created by the logical design team and used by the physical design team matches the architecture specification for Graphcore silicon. * Verification planning, specification and closure of functional coverage * Contributing to shared verification infrastructure Verification experience in relevant industry - Experience of the verification process applied in CPU and/or ASIC environments - About Graphcore - At Graphcore, were building the future of AI compute. Were a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at ...
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        Engineering Technical Lead

        EVOLVE IN RECRUITMENT LTD
        Manchester, Greater Manchester, M2 3BB
        From £60,000 to £97,000 per annum
        Job Title: Technical Lead / Staff Software Engineer//Engineering Lead/Technical Director/Chief Engineer - You have the option to progress with us on a technical career track. * Experience in managing and technically leading a software engineering team * Expertise in modern engineering standards such as TDD, contract testing, and secure coding, as well as architectural patterns like event-driven architecture and platform migration. * Experience providing technical subject matter expertise to shape bids and client proposals. Can present proposed approaches and discuss technical implementation with prospective clients during the sales process - Salary: £63,000 - £103,000 - Location: Manchester - Our client is seeking enthusiastic and proactive individuals to join their growing team. Working in a busy but dynamic environment, you will Join our clients Digital & Data team working alongside product, design and a ...
        Job Title: Technical Lead / Staff Software Engineer//Engineering Lead/Technical Director/Chief Engineer - You have the option to progress with us on a technical career track. * Experience in managing and technically leading a software engineering team * Expertise in modern engineering standards such as TDD, contract testing, and secure coding, as well as architectural patterns like event-driven architecture and platform migration. * Experience providing technical subject matter expertise to shape bids and client proposals. Can present proposed approaches and discuss technical implementation with prospective clients during the sales process - Salary: £63,000 - £103,000 - Location: Manchester - Our client is seeking enthusiastic and proactive individuals to join their growing team. Working in a busy but dynamic environment, you will Join our clients Digital & Data team working alongside product, design and a ...
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        The successful candidate for the Engineer, Post Trade role, will be working with the Director Technical Delivery Solution and Delivery, will form part of a team building a complex, ground-up cloud-based critical market infrastructure service in a bold new venture for LSEG. Role Profile - This opening requires a candidate who takes great pride in delivering excellence with excellent logical and technical skills and a can-do attitude combined with a helpful mentality, and a wish to play a critical role in forming and growing a new business. Key Responsibilities - A strong focus on engineering excellence and coding, adopting an open and hands-on approach to problem-solving and delivery. Engage deeply in technical design and implementation to ensure solutions are robust, scalable, and aligned with industry standards.
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        This company, who are industry leaders in retail and hospitality loyalty software (enterprise SaaS), are looking to appoint a Head of Engineering to lead the engineering team and continue driving the evolution of their cloud-based technology platform while they focus on moving to a more cloud-native SaaS architecture. This role is ideal for an experienced Engineering Manager / Head of Engineering who has experience leading multiple engineer teams, contributing to the overall technical strategy, and leading cloud-native transformation programs. * Experience working in a Engineering Manager or Head of Engineering role with similar responsibilities * Job Title: Head of Engineering * Extensive experience in software engineering, including leadership of multiple teams * Working Set-Up: Hybrid working set-up (Central London an average of once per month)
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        Senior Solutions Engineer

        SCALERS GROUP LIMITED
        The City, City of London (EC2), EC3V
        From £80,000 to £90,000 per annum
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        Senior Founding Engineer

        Corecom Consulting
        London
        £80000 - £120000 per annum + equity + package
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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 API jobs are there in London?
        There are 3 API jobs within 20 miles of London available on JustEngineers right now.

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