76 to 100 of 266 API Development Jobs in England

make a difference solving the worlds most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

opportunity to extend into quantitative research and to help build the foundation for full stack, next gen SaaS service offerings. Key Responsibilities: Bulletproof script development: build reliable, production grade scripts from defined specifications. Data orchestration and integration: develop and own the orchestration scripts that integrate multiple data feeds (document … that turn financial filings and disclosures into structured, queryable data, including LLM assisted extraction where appropriate. Testing to production migration: own the path from development to production, testing rigorously in a staging environment before migrating scripts to the production server with proper versioning, rollback capability and zero disruption ...

will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively on Kafka, Kubernetes …/OpenShift, caching solutions, REST APIs, and high-throughput distributed systems. You will bring solid, practical experience in backend Java development and a keen interest in scalable distributed systems. Responsibilities Technical Delivery Design, develop, and maintain backend components in Java, with a focus on performance and resilience. Contribute hands ...

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure ...

seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover the full software development lifecycle — analysis, design, implementation, and testing — while providing technical leadership to the team. Primary Responsibilities Design and develop high-quality trading GUIs providing compelling … applications using FDC3, and REST/WebSocket APIs. Experience with OpenFin or Interop is desirable but not essential. Drive AI integration within the development lifecycle — including AI-assisted coding, automated test generation, and intelligent monitoring Influence performance engineering across the UI stack: profiling, rendering optimisation, bundle analysis ...

embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision … automate operational workflows, accelerate engineering productivity and enhance customer outcomes.As a Core AI Engineer, you will play a leading technical role in the design, development and deployment of AI solutions across the organisation. You will combine software engineering, machine learning and AI platform expertise to turn innovative concepts into ...

Tech: C# 5, Visual Studiuo, AWS, Angular. JS, Bootstrap, Docker Challenge: Greenfield Financial platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 30 man flat Dev Team Pay: 70k, Bonus- training budget, Pension, Life/Health, Some Flex WorkingC# Lead Developer FintechQuant Capital … Lead Developer MUST have: Degree ideally Comp Sci Proven practical knowledge and understanding of Object Orientation, SOA, design patterns like IoC and the Agile development practices Strong commercial experience of Microsoft development tools, including Visual Studio 2013 or higher and C# with .NET Framework 4.5.2 or higher Demonstrable ...

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

make a difference solving the worlds most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect … with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

advancements in engineering practices, evaluating and recommending innovative solutions as appropriate.• Support the Platform Lead and identify solutions to engineering gaps/challenges.• Facilitate development of cross-functional capabilities to address common gaps/challenges.• Act as key point of contact for engineering decisions from a technical and risk … databases infrastructure capabilities work.• Expertise in infrastructure components, performance tuning, and capacity planning.• Understanding of, and hands on experience of, micro services, software development, infrastructure automation, api development and basic application system’s design.• Strong understanding experience on Site Reliability Engineering, DevOps Capabilities (CI/CD/ ...

remote) Contract Length: Until 27/11/2026 Your new company You will be joining a large-scale enterprise environment, supporting the development of automation solutions designed to streamline and enhance database operations.Your new role As a Python Developer, you will be responsible for building scalable automation solutions … resources, including Pods, Ingress, Services, Secrets and CRDs. Contribute to build, package, testing and deployment activities across CI/CD pipelines. Support secure software development practices within a highly regulated environment. What you'll need to succeed Essential skills and experience Strong Python development experience. Hands-on API ...

remote) Contract Length: Until 27/11/2026 Your new company You will be joining a large-scale enterprise environment, supporting the development of automation solutions designed to streamline and enhance database operations.Your new role As a Python Developer, you will be responsible for building scalable automation solutions … resources, including Pods, Ingress, Services, Secrets and CRDs. Contribute to build, package, testing and deployment activities across CI/CD pipelines. Support secure software development practices within a highly regulated environment. What you'll need to succeed Essential skills and experience Strong Python development experience. Hands-on API ...

technical direction within your team Required Skills and Experience Full‐stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL ...

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. ...

rapidly growing company in the blockchain and cryptocurrency space. They are seeking a talented Engineering Lead who will not only guide and mentor the development team but also contribute directly to the codebase. In this role, you will shape the technical direction , help build cutting-edge products, and work … this is the perfect opportunity to lead and grow in a forward-thinking company at the forefront of digital transformation. Key Responsibilities Hands-On Development: Collaborate with the team to design, build, and deploy robust APIs and frontends for iOS, Android, and web platforms, delivering high-quality solutions across ...

components that meet user needs end-to-end. Write clean, secure, and well-tested code in Scala , adhering to functional programming principles and modern development standards. Operate, maintain, and scale the services you build identifying, triaging, and resolving production issues. Follow and help improve internal engineering best-practice guidelines. … Grafana. We're looking for: Strong commercial experience designing, building, and operating production software systems using Scala and the Play Framework. Confidence with modern development practices (Test-Driven Development using ScalaTest/Specs2, continuous integration/continuous deployment, and automated testing). Solid understanding of information security principles ...

Skills & Experience Python | LLM Integration | Prompt Engineering | RAG Architectures | Vector Databases | Embeddings & Tokenisation | AWS Services | Git/Version Control | REST APIs | Authentication, Authorisation, Firewalls & API Gateway Frontend Experience (For Frontend Developers) React or Other Modern Web Frameworks | TypeScript | UX Implementation | API Integration Desirable Skills MCP (Model Context Protocol … techniques. Experience designing and implementing RAG-based solutions. Knowledge of vector databases, embeddings, and tokenisation concepts. Experience working with cloud platforms, particularly AWS. Strong API development and integration skills. Understanding of secure application design, authentication, authorisation, and API gateways. Ability to work effectively within agile, multidisciplinary teams. ...

looking for a Senior Software Engineer with proficiency in C# programming to lead the development of the IoT device software and cloud platform software for our connected energy storage systems. The successful candidate will be responsible for the development and maintenance of communications and cloud backend … work collaboratively to solve problems The Role We are looking for a Senior Software Engineer with proficiency in C# programming to lead the development of the IoT device software and cloud platform software for our connected energy storage systems. The successful candidate will be responsible for the development ...

testing tools (e.g. Jest, Playwright). Experience integrating and onboarding 3rd‐party vendors, defining patterns and abstracting APIs. Understanding of microservices and RESTful API development (structuring, documentation, versioning, testing, stubbing/mocking). Experience performing code reviews and operating within an Agile framework. Pro‐active DevOps culture ...

within your team Desired Skills and Experience: Core Software Engineering across a variety of languages, e.g. JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL ...

connecting applications to it. Build and maintain Power BI reports, collaborating with business colleagues to understand reporting requirements and investigate issues. Work constructively with development partners through delivery and handover, identify maintainability concerns, flag material gaps against agreed business requirements, and maintain documentation for ongoing development and application … responsibility for improvements after delivery. Practical experience building and maintaining React and TypeScript applications, with a sound understanding of HTML and CSS. Strong backend development experience, including designing, building, and troubleshooting custom APIs and system integrations. Some practical experience building and maintaining Power BI reports. Confidence in understanding unfamiliar ...

customer-focused solutions. This is an opportunity to work on multi-layered engineering tasks, contribute to modern software delivery practices, and influence the development of systems that drive business success. To be successful as a Software Engineer, you should have experience with: Good proficiency in Golang, Java, C#, JavaScript … ability to develop modern, scalable, and high-performing software solutions. Experience in writing efficient, maintainable, and testable code, alongside object-oriented design, microservices, and API development to deliver resilient and well-architected platforms. Confirmed ability to collaborate effectively within Agile teams to solve multi-layered engineering tasks, conduct ...

system that enables a novel workflow, the next you could be fine-tuning performance to enable low-latency operational outcomes. Our Product Development organisation is made up of small teams of Software Engineers. Each team focuses on a specific aspect of a product and work collaboratively to build cross … witnessing how customers engage with Foundry and experiencing these pain points firsthand, you'll gain unique insights that feed directly back into our development process, helping to refine and enhance our products. Core ResponsiblitiesArchitecting, developing, and maintaining high-performance, scalable backend services that underpin our our operational data ...