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      Api
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      0 Contract API jobs in City of London + 20 miles

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      Staff/Lead Backend Engineer (Webapp)

      Mimica
      London
      £600 - £650 a day
      What we are building - Mimica's mission is to empower enterprises, teams, and individuals to reclaim their most precious resource time and work more efficiently, with greater purpose and impact. Our AI-powered task mining observes employee actions across the desktop and categorizes them into detailed process maps. Mimicas process intelligence highlights inefficiencies, prioritizes improvements based on ROI, recommends the optimal technology for automation (RPA, intelligent document processing, GenAI), and provides a blueprint for building new automations and transforming work. Our approach to engineering * We prioritize customer needs first * We work in small, project-based teams * We have flexibility in terms of the problems we work on * We own the full lifecycle of our projects * We avoid silos and encourage taking up tasks in new areas * We balance quality and velo
      What we are building - Mimica's mission is to empower enterprises, teams, and individuals to reclaim their most precious resource time and work more efficiently, with greater purpose and impact. Our AI-powered task mining observes employee actions across the desktop and categorizes them into detailed process maps. Mimicas process intelligence highlights inefficiencies, prioritizes improvements based on ROI, recommends the optimal technology for automation (RPA, intelligent document processing, GenAI), and provides a blueprint for building new automations and transforming work. Our approach to engineering * We prioritize customer needs first * We work in small, project-based teams * We have flexibility in terms of the problems we work on * We own the full lifecycle of our projects * We avoid silos and encourage taking up tasks in new areas * We balance quality and velo
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      Who we are - At Twilio, we're shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you're part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we're acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. See yourself at Twilio - Join us as our next Senior Solutions Engineer on Twilio's Digital Sales Communications team! About the job - This position is needed to enable our customers to build the future of communications.
      Who we are - At Twilio, we're shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you're part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we're acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. See yourself at Twilio - Join us as our next Senior Solutions Engineer on Twilio's Digital Sales Communications team! About the job - This position is needed to enable our customers to build the future of communications.
      more
      Binance is a leading global blockchain ecosystem behind the worlds largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world. Binance is looking for an experienced QA Engineer (mid to senior level) to drive and support Integration Testing of our high-performance backend software stack.
      Binance is a leading global blockchain ecosystem behind the worlds largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world. Binance is looking for an experienced QA Engineer (mid to senior level) to drive and support Integration Testing of our high-performance backend software stack.
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      We're looking for a Sales Engineer with strong AWS and/or Azure expertise to support both pre-sales and post-sales activities. Sales Engineer (AWS/Azure) * Work cross-functionally with Sales, Product, and Customer Success teams * Background in sales engineering, DevOps, solutions architecture, or technical support - London (Hybrid) Up 50k base, D.O.E - My client a fast-growing SaaS company providing cloud-native Backup, Recovery, and Disaster Recovery solutions. In this customer-facing role, you'll help organisations design, evaluate, and successfully implement cloud-based data protection strategies-playing a vital role from first contact through deployment. Key Responsibilities * Deliver tailored demos of AWS/Azure-based backup and DR solutions * Lead technical disco
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      FEATURED
      As a principal modeller, you will lead a team of engineers developing models, designing and adding new features into the countermeasure software, solving customer challenges and requirements. * Continuous professional & personal development support - Forming part of our Electronic Warfare Support Group (EWOS), our Countermeasure Development team provide technical advice and support to our customers relating to countermeasure development, engineering support and delivery, as well as supporting internal initiatives relating to innovation and research, projects, training and bid delivery. This opportunity will also expose you to working with our software development team, and the assurance process all releasable software products must follow. You will be responsible for
      As a principal modeller, you will lead a team of engineers developing models, designing and adding new features into the countermeasure software, solving customer challenges and requirements. * Continuous professional & personal development support - Forming part of our Electronic Warfare Support Group (EWOS), our Countermeasure Development team provide technical advice and support to our customers relating to countermeasure development, engineering support and delivery, as well as supporting internal initiatives relating to innovation and research, projects, training and bid delivery. This opportunity will also expose you to working with our software development team, and the assurance process all releasable software products must follow. You will be responsible for
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      Senior Calypso Engineer

      Hays
      EC1, City of London
      £700.0 - £739.0 per day + £739pd inside IR35
      As Senior Calypso Engineer, you will be working on a Continuous Upgrade Project - performing technical analysis and development as part of a move from Calypso v17 to Calypso v18. Your new company * Tier 1 globally recognised company - Your new role - What you'll need to succeed * Recent Calypso experience (v16 onwards) * Preferably experience working on upgrades * Experienced in Java * Devops experience (Ansible, Terraform, Git) What you'll get in return - An exciting opportunity to join an international organisation working with a major financial services organisation. Furthermore, a competitive day rate for this role will be offered in addition to your own dedicated Hays Consultant to guide you through every step of the application process. What you need to do now - If you're interested in this role, click 'apply now' to forward an
      As Senior Calypso Engineer, you will be working on a Continuous Upgrade Project - performing technical analysis and development as part of a move from Calypso v17 to Calypso v18. Your new company * Tier 1 globally recognised company - Your new role - What you'll need to succeed * Recent Calypso experience (v16 onwards) * Preferably experience working on upgrades * Experienced in Java * Devops experience (Ansible, Terraform, Git) What you'll get in return - An exciting opportunity to join an international organisation working with a major financial services organisation. Furthermore, a competitive day rate for this role will be offered in addition to your own dedicated Hays Consultant to guide you through every step of the application process. What you need to do now - If you're interested in this role, click 'apply now' to forward an
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      Lead Android Engineer

      Halian Technology Limited
      London
      From £82,000 to £92,000 per annum
      Halian Technology are searching for an Lead Android Engineerto join our clients forward-thinking mobile team. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture. * Support and mentor junior engineers, contributing to their growth and the wider community. * Extensive experience in native Android development using Kotlin and Java. * Strong grasp of MVVM, MVP, and modern Android architecture patterns. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to wor
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      Lead Android Engineer

      Halian Technology Limited
      RG1, Reading
      From £82,000 to £92,000 per annum
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      Gen AI Solutions Engineer - London Hybrid

      Transparent Technology
      City of London, London, EC1A 4RN
      £75000 - £85000 per annum + bens, shares, pension
      As a Solutions Engineer / AI Engineer / LLM Engineer, you'll work directly with clients, design POCs and production-ready solutions, and deliver impact using LLMs, LangChain, Python, and Azure. Keywords: Solutions Engineer, AI Engineer, AI Consultant, Generative AI, Python, Azure, LangChain, LLMs, Hybrid London Solutions Engineer - Generative AI | Hybrid (London) | Up to £85,000 - Ready to take the lead in AI workflow automation? Join a profitable, fast-growing startup building cutting-edge GenAI solutions for the legal and compliance sector. With 3+ years' experience, excellent communication skills, and a passion for Generative AI, you'll thrive in a
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      Configuration Engineer

      Orion Electrotech Sales
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      £50000 - £60000 per annum, + Company bonus
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      Senior Software Engineer

      Erin Associates
      YO62, York
      Competitive salary and great benefits
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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 contract API jobs are there in City of London?
      There are 0 contract API jobs within 20 miles of City of London available on JustEngineers right now.

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