76 to 100 of 142 API Development Jobs in London

role where you’ll be responsible for developing a variety of scalable backend systems to support high-traffic services Essential: At least 5yrs backend development using Node.js RESTful API development Experience with Machine Learning tools (e.g. TensorFlow, PyTorch or similar) Knowledge of AWS, Docker & Kubernetes for scalable More ❯

status quo. What you'll do: Architect, design, build and integrate our core CTV measurement solutions Lead the entire software lifecycle including hands-on development, code reviews, testing, deployment, and documentation, in addition to mentoring the team Collaborate cross functionally with Product, Software Engineers, and Data Engineers to design … and other stakeholders across the company to understand product requirements, gather business and technical requirements from broadcaster clients, and research and develop solutions, including API development Manage multiple competing priorities in a fast-paced, exciting, collaborative environment Maintain, and recommend software improvements to ensure responsiveness, efficiency, strong functionality … kubernetes Knowledge of Python, Scala, or Golang. Familiarity with TDD, BDD, and associated testing frameworks Experience with managing, leading and/or mentoring a development team Experience working with audio or video technology, specifically CTV Experience in AdTech Equal Opportunity Employer: IAS is an equal opportunity employer, committed to More ❯

months with Inside IR35 Working Mode: Hybrid (Twice a week mandatory) Need UK citizens only. Candidates need to have active SC clearance. Job Description: API Development: Design, develop, and maintain robust, scalable APIs using modern frameworks and technologies. Azure Logic Apps: Configure and integrate Azure Logic Apps to … JavaScript, PowerShell & C#. Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection. Front-End Development: Build responsive and user-friendly front-end interfaces using frameworks such as React, Angular, or Vue.js. Back-End Development: Develop and maintain server More ❯

delivering high-quality baked goods to our customers. We are looking for a talented DevOps Lead Developer to join our team and drive the development and management of our enterprise-grade applications across our bakeries. Responsibilities: Work with the team on development and management of applications focused on … Analytics, Engineering, or a related field. Minimum of 3+ years of experience in coding with Python and React.js. Knowledge of databases (SQL & NoSQL) and API development/integration. Familiarity with enterprise architecture design and delivery (Azure, GitHub, etc). Proven experience in building cloud applications using Microsoft Azure More ❯

delivering high-quality baked goods to our customers. We are looking for a talented DevOps Lead Developer to join our team and drive the development and management of our enterprise-grade applications across our bakeries. Responsibilities: Work with the team on development and management of applications focused on … Analytics, Engineering, or a related field. Minimum of 3+ years of experience in coding with Python and React.js. Knowledge of databases (SQL & NoSQL) and API development/integration. Familiarity with enterprise architecture design and delivery (Azure, GitHub, etc). Proven experience in building cloud applications using Microsoft Azure More ❯

a Back-End Engineer, you will also use your knowledge of Software Engineering to lead the shaping of new projects and support the professional development of less experienced Engineers. There are opportunities to become a people manager for your fellow engineers if that is something that appeals to you. … systems analysis and development. A good understanding of Microservice Architectures. Experience with application frameworks such as http4k or Spring Boot. An understanding of Agile development methods such as Scrum or Kanban. Familiarity with techniques like TDD, pair programming. Continuous Integration/Continuous Delivery. REST API development and More ❯

Compose should be familiar allies). Database dialogues (SQL and PostgreSQL are our go-to, but we know other databases are available). RESTful API development and management – making systems talk nicely to each other. Proactive Performance Tuning – because nobody likes a sluggish system. A solid grasp of … . A dynamic and forward-thinking work environment where your ideas are actually listened to (we promise!). We're all about growth and development – we want you to level up your skills alongside us. (Insert typical UK benefits here - e.g., generous holiday allowance, pension scheme, flexible working options More ❯

Compose should be familiar allies). Database dialogues (SQL and PostgreSQL are our go-to, but we know other databases are available). RESTful API development and management – making systems talk nicely to each other. Proactive Performance Tuning – because nobody likes a sluggish system. A solid grasp of … . A dynamic and forward-thinking work environment where your ideas are actually listened to (we promise!). We're all about growth and development – we want you to level up your skills alongside us. (Insert typical UK benefits here - e.g., generous holiday allowance, pension scheme, flexible working options More ❯

etc. Test automation frameworks like Cucumber and Cypress Containerization and orchestration with Docker and Openshift Messaging systems like RabbitMQ Database management with MongoDB REST API development and integration Cloud technologies, particularly AWS You will be expected to be onsite minimum of three days a week in their Leeds More ❯

etc. Test automation frameworks like Cucumber and Cypress Containerization and orchestration with Docker and Openshift Messaging systems like RabbitMQ Database management with MongoDB REST API development and integration Cloud technologies, particularly AWS You will be expected to be onsite minimum of three days a week in their Leeds More ❯

Collaborate with data scientists, software engineers, and product managers to align AI solutions with commercial goals. Financial services experience is desired but not essential. API development (FastAPI, Flask) Tech stack : Azure, Python, Databricks, Azure DevOps, ChatGPT, Groq, Cursor AI, JavaScript, SQL, Apache Spark, Kafka, Airflow, Azure ML, Docker More ❯

Collaborate with data scientists, software engineers, and product managers to align AI solutions with commercial goals. Financial services experience is desired but not essential. API development (FastAPI, Flask) Tech stack : Azure, Python, Databricks, Azure DevOps, ChatGPT, Groq, Cursor AI, JavaScript, SQL, Apache Spark, Kafka, Airflow, Azure ML, Docker More ❯

The first Engineer they’re looking for is a more mature Web Developer that has at least 2 years of commercial Full Stack Web Development experience. The second Engineer is a more DevOps-focused Full Stack Engineer that has been working with DevOps tooling, pipelines, and CI/CD. … Key Skills At least 3 years’ experience of coding in a Python web-development framework, preferably Django. At least 2 years’ experience of coding in a front-end capacity (preferably React), ideally 3 years if possible, especially for the Web Developer Container-related tools – e.g., Docker, Docker Compose AWS … RESTful API development and management. Databases – e.g., SQL, PostgreSQL. If you’re interested in the above, please apply for the position or contact me directly at anthony.dale@adalta-solutions.com More ❯

The first Engineer they’re looking for is a more mature Web Developer that has at least 2 years of commercial Full Stack Web Development experience. The second Engineer is a more DevOps-focused Full Stack Engineer that has been working with DevOps tooling, pipelines, and CI/CD. … Key Skills At least 3 years’ experience of coding in a Python web-development framework, preferably Django. At least 2 years’ experience of coding in a front-end capacity (preferably React), ideally 3 years if possible, especially for the Web Developer Container-related tools – e.g., Docker, Docker Compose AWS … RESTful API development and management. Databases – e.g., SQL, PostgreSQL. If you’re interested in the above, please apply for the position or contact me directly at anthony.dale@adalta-solutions.com More ❯

/CD pipelines and drive infrastructure automation What you’ll bring 5+ years’ experience in backend or infrastructure-focused engineering roles Strong Python and API development skills (FastAPI, Flask, etc.) Proven experience with model deployment, containerization, and orchestration (K8s, Docker) Infrastructure-as-code experience (Terraform, Helm, etc.) Familiarity More ❯

/CD pipelines and drive infrastructure automation What you’ll bring 5+ years’ experience in backend or infrastructure-focused engineering roles Strong Python and API development skills (FastAPI, Flask, etc.) Proven experience with model deployment, containerization, and orchestration (K8s, Docker) Infrastructure-as-code experience (Terraform, Helm, etc.) Familiarity More ❯

Staff Engineer and CTO, being instrumental in designing & implementing backend services, ensuring high performance, scalability, and reliability You will work on projects ranging from API development, integrations, to new feature development, providing a rich experience for customers You will follow best practices in testing, documentation & maintainability, ensuring More ❯

with a major insurance organisation seeking a Guidewire Technical Engineer/Developer to join a growing digital delivery team. This role focuses on the development and integration of Guidewire applications—particularly leveraging InsuranceConnect —to enhance the connectivity and automation of insurance business workflows. You will be hands-on in … delivering scalable, high-performance integrations, working with stakeholders across architecture, development, and business teams to drive critical initiatives forward. Key Responsibilities: Design, build, and maintain integration solutions using Guidewire InsuranceConnect and related technologies. Develop high-quality, efficient, and reusable code in Gosu, Java , and via REST/SOAP APIs … 4+ years’ experience as a Guidewire Developer/Integration Engineer . Strong expertise with InsuranceConnect and Guidewire platform integrations. Proficiency in Gosu , Java , and API development (REST & SOAP). In-depth understanding of ClaimCenter, PolicyCenter, BillingCenter , and Digital Portals integration models. Comfortable working in complex, enterprise-scale environments. More ❯

with a major insurance organisation seeking a Guidewire Technical Engineer/Developer to join a growing digital delivery team. This role focuses on the development and integration of Guidewire applications—particularly leveraging InsuranceConnect —to enhance the connectivity and automation of insurance business workflows. You will be hands-on in … delivering scalable, high-performance integrations, working with stakeholders across architecture, development, and business teams to drive critical initiatives forward. Key Responsibilities: Design, build, and maintain integration solutions using Guidewire InsuranceConnect and related technologies. Develop high-quality, efficient, and reusable code in Gosu, Java , and via REST/SOAP APIs … 4+ years’ experience as a Guidewire Developer/Integration Engineer . Strong expertise with InsuranceConnect and Guidewire platform integrations. Proficiency in Gosu , Java , and API development (REST & SOAP). In-depth understanding of ClaimCenter, PolicyCenter, BillingCenter , and Digital Portals integration models. Comfortable working in complex, enterprise-scale environments. More ❯

Stay abreast of emerging technologies and industry trends, evaluating their potential impact and advocating for them to be included on the product roadmap and development processes Champion continuous improvement, performance optimisation, and security throughout the development lifecycle Skills: Proven experience as a hands-on engineer with proficiency in … Kotlin Hands on experience in backend API development using Node.js will be an advantage Experience in technical decision making guiding the team to propose solutions which implement standard mythologies so that a maintainable product is produced Strong leadership skills with the ability to inspire and mentor other engineers More ❯

climate action at scale. I’m looking to speak to people with experience working with: ✅ TypeScript & Node.js ✅ React (or strong modern frontend experience) ✅ REST API development ✅ Scalable backend/data infrastructure (PostgreSQL, Snowflake) ✅ Cloud DevOps (AWS, Docker, CI/CD tools) ✅ A passion for making a meaningful impact More ❯

driven analytics company. This is an exciting opportunity to lead the technical direction and growth of their platform. Key Responsibilities: Lead and grow the development team, especially in early-stage or start-up environments. Oversee the development and implementation of web applications using Laravel 10 and Vue.js 3. … Laravel 10. Over 5 years of proficiency in JavaScript/TypeScript frameworks, especially Vue.js 3 and Vuex. Experience with SCRUM, Agile methodologies, Git deployment, API development, and CI/CD pipelines. Proficiency in HTML, CSS, SASS (Tailwind CSS), and familiarity with the Vite build tool. Experience working with More ❯

driving engineering best practices. Key Responsibilities: Develop and maintain internal tools that enhance business processes and drive operational efficiency. Lead end-to-end feature development , from solution design and implementation to deployment, testing, and monitoring. Ensure continuous improvements by updating and refining existing tools based on feedback, API … building applications in either GCP or AWS. Familiarity with CI/CD pipelines and deployment tools (e.g., GitHub Actions, Docker). Solid understanding of API development using frameworks such as Django, FastAPI, or Flask. What’s in It for You? Flexible working options (hybrid model with 2 days … in-office). Health & wellbeing benefits, including private medical and life insurance . Learning & development programs with access to top-tier training resources . Regular team socials and off-site events . A collaborative culture where your work makes a real impact . Send your CV to P.bower@tenthrevolution.com More ❯

driving engineering best practices. Key Responsibilities: Develop and maintain internal tools that enhance business processes and drive operational efficiency. Lead end-to-end feature development , from solution design and implementation to deployment, testing, and monitoring. Ensure continuous improvements by updating and refining existing tools based on feedback, API … building applications in either GCP or AWS. Familiarity with CI/CD pipelines and deployment tools (e.g., GitHub Actions, Docker). Solid understanding of API development using frameworks such as Django, FastAPI, or Flask. What’s in It for You? Flexible working options (hybrid model with 2 days … in-office). Health & wellbeing benefits, including private medical and life insurance . Learning & development programs with access to top-tier training resources . Regular team socials and off-site events . A collaborative culture where your work makes a real impact . Send your CV to P.bower@tenthrevolution.com More ❯

real outcomes. Essential Skills TypeScript or Go – strong backend coding experience in either is OK AWS serverless – deep knowledge of Lambda, EventBridge, SQS and API Gateway etc Terraform – infrastructure as code in a modular, versioned setup CI/CD with GitHub Actions – comfortable with cloud-native deployments and environments … ll be doing TypeScript and Go – write scalable, well-tested APIs and backend services in a modern, typed stack AWS Lambda, SQS, EventBridge and API Gateway – build fully serverless, event-driven services Smart contract integration – work closely with blockchain engineers to sync backend logic and on-chain events API development – deliver robust services for frontend apps, dashboards, and analytics tooling Crypto payments – integrate secure interactions with custody platforms and third-party APIs Monitoring and observability – own logs, metrics and production insight across backend systems Nice to have Financial or crypto transaction systems – working with custody, auditing or More ❯