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        2 Temporary API jobs in City of London + 10 miles

        RPLN0252945 – Software Engineer

        Certain Advantage
        Lambeth, SE1 7NA
        Competitive
        JavaScript React Developer - London (Hybrid) 6 month contract - Rates: Negotiable - Overview - We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugging, and automation techniques. * Contribute to the creation and optimisation of CI/CD pipelines and deployment practices.
        JavaScript React Developer - London (Hybrid) 6 month contract - Rates: Negotiable - Overview - We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugging, and automation techniques. * Contribute to the creation and optimisation of CI/CD pipelines and deployment practices.
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        Senior Guidewire Developer

        Pioneer Search
        City of London, London
        £90000 - £110000 per annum + 20% bonus
        An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. Guidewire Developer - Ace Certified - The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire. * Leadership: Leading the development, design, architecture, integration, and customisation of Guidewire for the insurer. * ACE Certified in Guidewire * Experience onboarding and integrating Guidewire for a specialty insurer
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        Fullstack .Net Developer

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        London
        £500.0 - £545.0 per day + Up to £545pd Umbrella
        I am currently working with a global engineering client who are actively seeking a Fullstack .Net Developer on a long-term contract basis. What you'll need to succeed * 10+ years' .Net Development experience, ideally in a large-scale organisation. * Strong fullstack experience with Razor, Blazor, & Javascript. * Strong experience with Azure Cloud Services. * Good understanding of DevOps best practices. * Experience with on-premises SQL services. What you'll get in return * Up to £545pd in-scope (Umbrella). * Initial 6-month contract with extensions. * Flexible hybrid working. What you need to do now - If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your caree
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        FEATURED
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        One Identity Manager Developer

        Hays
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        As a key member of the Automation Team, you'll design and build next-generation automation platforms, blending Python, React, Postgres, and modern DevOps practices with cutting-edge AI/ML techniques such as RAG, vector databases, and multi-agent systems. You'll work across the full software lifecycle: from system design and test automation, to deployment and performance monitoring, collaborating with some of the brightest minds in the industry. * Designing and developing automation solutions aligned with Apple's product requirements. * Building agentic AI/ML systems (MCP servers/clients, RAG pipelines, vector DBs). * Driving test automation with Selenium and iOS functional frameworks. * 10+ years building operational support systems a
        As a key member of the Automation Team, you'll design and build next-generation automation platforms, blending Python, React, Postgres, and modern DevOps practices with cutting-edge AI/ML techniques such as RAG, vector databases, and multi-agent systems. You'll work across the full software lifecycle: from system design and test automation, to deployment and performance monitoring, collaborating with some of the brightest minds in the industry. * Designing and developing automation solutions aligned with Apple's product requirements. * Building agentic AI/ML systems (MCP servers/clients, RAG pipelines, vector DBs). * Driving test automation with Selenium and iOS functional frameworks. * 10+ years building operational support systems a
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        Are you an experienced Senior Software Engineer - C# actively looking for a new role? You will play a key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. * Oversee the complete software development lifecycle for new projects, taking accountability for the software aspects of assigned responsibilities. * Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical field. * Skilled in working with both hardware and software systems. Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team.
        Are you an experienced Senior Software Engineer - C# actively looking for a new role? You will play a key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. * Oversee the complete software development lifecycle for new projects, taking accountability for the software aspects of assigned responsibilities. * Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical field. * Skilled in working with both hardware and software systems. Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team.
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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 temporary API jobs are there in City of London?
        There are 2 temporary API jobs within 10 miles of City of London available on Totaljobs right now.

        What other similar jobs are there to temporary API jobs in City of London?
        As well as temporary API jobs in City of London, you can find temporary Salesforce, Data Analytics, Services, amongst many others.