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        1 API job in City of London + 20 miles

        Head of Quality Engineering

        Infoplus Technologies UK Ltd
        City of London (EC3M)
        From £650 to £700 per day
        API Automation (REST Assured, Karate, Postman)
        API Automation (REST Assured, Karate, Postman)

        3 exact matches jobs are outside your preferred location

        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
        more
        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
        more
        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.
        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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        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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        C++ Lead / Engineering Manager - Systematic Trading

        McGregor Boyall Associates Limited
        City of London (EC1)
        £150000 - £275000 per annum
        A leading systematic trading environment is looking to hire a hands-on C++ Engineering Manager to work on business-critical trading systems in a live market environment. This role is suited to someone operating at lead or manager level who still enjoys being close to the code. * Lead the design and development of core trading and execution systems in modern C++ * Strong hands-on C++ engineering experience in Linux-based trading environments - Location: London or Amsterdam - Industry: Systematic Trading / Hedge Funds - Work model: Hybrid - The focus is on building and improving low-latency, production trading systems across systematic trading, automated trading, and execution. You will work closely with traders, quants, and engineers to deliver robust technology with direct impact on trading performance. * Build and enhance low-latency infrastructure used across systematic trading and execution
        A leading systematic trading environment is looking to hire a hands-on C++ Engineering Manager to work on business-critical trading systems in a live market environment. This role is suited to someone operating at lead or manager level who still enjoys being close to the code. * Lead the design and development of core trading and execution systems in modern C++ * Strong hands-on C++ engineering experience in Linux-based trading environments - Location: London or Amsterdam - Industry: Systematic Trading / Hedge Funds - Work model: Hybrid - The focus is on building and improving low-latency, production trading systems across systematic trading, automated trading, and execution. You will work closely with traders, quants, and engineers to deliver robust technology with direct impact on trading performance. * Build and enhance low-latency infrastructure used across systematic trading and execution
        more
        FEATURED
        As Lead Engineer you will act as Technical Authority for concurrent power projects: from in-house designs to outsourced specification and management. In this role you will take responsibility for the full-lifecycle design and development of bespoke power conversion and transmission solutions in line with the company's business needs through innovation, creativity and professionalism. The role seeks an engineer with excellent knowledge of power architectures, transmission, conversion and distribution, whilst having an appreciation for the real-world subtleties involved in creating robust and reliable power systems. You may be working on anything from large-scale power conversion products, efficient cabled transmission designs all the way through to motor drives and low voltage converters. * Significant Experience in Power Electronics
        As Lead Engineer you will act as Technical Authority for concurrent power projects: from in-house designs to outsourced specification and management. In this role you will take responsibility for the full-lifecycle design and development of bespoke power conversion and transmission solutions in line with the company's business needs through innovation, creativity and professionalism. The role seeks an engineer with excellent knowledge of power architectures, transmission, conversion and distribution, whilst having an appreciation for the real-world subtleties involved in creating robust and reliable power systems. You may be working on anything from large-scale power conversion products, efficient cabled transmission designs all the way through to motor drives and low voltage converters. * Significant Experience in Power Electronics
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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
        Were looking for a Senior Solution Engineer, ideally with SaaS or Payments background to contribute towards ambitious growth plans across EMEA. * Communicate with C-suite and senior leaders across commercial and tech to support them in building incredible experiences for their customers * Lead technical discovery and solution design for global enterprises with complex requirements. UK, Remote - Scalers HQ is proud to be partnering with an innovative SaaS FinTech & Payments business in the UK. The SaaS platform our client has built takes away a lot of pain points of payment fragmentation. This is an exciting time to join our FinTech partner, and youll join a scaling a team that are rapidly growing. Responsibilities * Writing integration plans and sample code for sellers to assist them in implementing their own personalised integration * Mentor new & junior members
        Were looking for a Senior Solution Engineer, ideally with SaaS or Payments background to contribute towards ambitious growth plans across EMEA. * Communicate with C-suite and senior leaders across commercial and tech to support them in building incredible experiences for their customers * Lead technical discovery and solution design for global enterprises with complex requirements. UK, Remote - Scalers HQ is proud to be partnering with an innovative SaaS FinTech & Payments business in the UK. The SaaS platform our client has built takes away a lot of pain points of payment fragmentation. This is an exciting time to join our FinTech partner, and youll join a scaling a team that are rapidly growing. Responsibilities * Writing integration plans and sample code for sellers to assist them in implementing their own personalised integration * Mentor new & junior members
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        What is the average salary for API in City of London?

        Average salary per year
        £82,499

        The average salary for a API in City of London is £82,499. API in City of London salaries range from £64,999 to £92,499.

        Frequently Asked Questions

        How many API jobs are there in City of London?
        There are 1 API jobs within 20 miles of City of London available on JustEngineers right now.

        What other similar jobs are there to API jobs in City of London?
        As well as API jobs in City of London, you can find Engineering, Management, Quality and Safety, amongst many others.