26 to 50 of 83 API Development Jobs in London

impact National Security programmes Exposure to large-scale AWS cloud and DevOps environments Flexible and hybrid working arrangements Dedicated Career Manager and structured career development Access to extensive training and learning platforms Company bonus scheme 25 days annual leave with buy/sell options Private medical and dental insurance … continuous learning Desirable Experience AWS certifications such as Solutions Architect, Developer or DevOps Engineer Experience with Docker, Kubernetes, ECS or EKS Microservices and API development experience CI/CD tooling such as Jenkins, Bamboo, TeamCity or Bitbucket Automated testing practices and frameworks Understanding of Linux, networking and infrastructure ...

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 ...

Lead the design, development, and delivery of enterprise software solutions for Public Sector customers. This role combines deep technical expertise, integration experience, and customer-facing delivery in compliance-driven environments. Qualifications Experience: 8–12 years in software engineering, preferably in regulated environments. Strong expertise in Microsoft technology stack (ASP.NET … API, SQL Server) Solid understanding of client-side scripting (TypeScript, JavaScript, jQuery) Working knowledge of Python, Azure stack Experience with GitHub, CI/CD, DevOps Expertise in design patterns and REST API development Ability to deliver software and artifacts independently Experience in complex software troubleshooting techniques Integration ...

Tier 1 Financial Services Company Development Lead (Kotlin/Java) Location: Sheffield (2 days per week in the office) Contract Type: Contract Working Pattern: Full Time About the Project The Developer Platforms, Standards and Controls team is building a platform that enables control owners and development teams … manage and view their compliance with a range of software development standards and controls. You will work across Kotlin and Java-based in-house web applications and APIs. We are hiring across 2-3 applications and proof-of-concepts, with allocation depending on experience and fit. The solutions include ...

with Research, Product, and Engineering to rapidly prototype, test, and refine new capabilities through short feedback loops. Take solutions from prototype to production, including API development, CI/CD pipelines using GitHub Actions, and Kubernetes deployments across multiple environments using core AWS services such … Platform & Systems Self‐Sufficiency This is you if you're comfortable owning infrastructure end-to-end — deploying a database, designing a schema, shipping an API — without a dedicated platform or DevOps team. Experience designing APIs and deploying containerized services using Docker and Kubernetes. Bonus: Experience with graph‐aware retrieval ...

architectural decisions and balancing technical trade-offs. Essential experience: Python, React and JavaScript/TypeScript AWS cloud engineering Chat or Messaging platform integration REST API development CI/CD pipelines Observability (logs, metrics, tracing and performance monitoring) Software architecture and distributed systems/microservices AI/LLM integration ...

building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

Technical Leads) Mentor developers and provide technical leadership across squads Essential Skills Strong commercial experience with Python Excellent hands-on experience with Django REST API development System design and software architecture experience Agile delivery experience Test-Driven Development (TDD) Cloud platform experience (AWS, Azure or GCP) Excellent ...

Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI ...

Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI ...

sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design Infrastructure ...

sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design Infrastructure ...

Tech: .Net Core, Blockchain Challenge: Greenfield Blockchain platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 30 man flat Dev Team Pay: 80k, Bonus- training budget, Pension, Life/Health, Some Flex Working.NET Core Engineer Fintech BlockchainQuant Capital is urgently looking … .NET Core Developer to join our high profile client.Small iterative releases over large releases Automated testing over manual testing Development team testing culture over testing is a separate function Upfront team acceptance criteria over tests derived from the specificationOur client is a well known financial market data provider ...

seeking a highly skilled and innovative Lead Agentic AI Engineer to join our team and drive the design, development, and deployment of production‐grade generative AI and agentic solutions using Microsoft technologies. This role is ideal for a technically strong engineer who has hands‐on experience building AI solutions … Agent Framework Proficient in Python and production‐quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What ...

working software at pace. What you’ll do Rapidly building functional prototypes across a wide range of technology domains, from machine learning systems to API integrations Leveraging generative AI coding assistants and productivity tools to maximise development velocity Developing proof-of-concept applications that demonstrate the potential … Collaborating with the Research Graduate on technical feasibility assessments Contributing to technical presentations and documentation of prototype capabilities What you’ll need Strong software development skills with proficiency in multiple programming languages (Python, JavaScript/TypeScript, etc.) Hands‐on experience with machine learning frameworks (PyTorch, TensorFlow, or similar) Extensive ...

drive continuous improvement. Collaborate with product managers, architects and engineering teams to define technical requirements, participate in software design reviews and contribute to API governance standards across the organization. What you'll bring Experience designing, developing, debugging and enhancing scalable software applications and APIs. Strong understanding … software development life cycles, engineering standards and modern development practices. Proficiency in solutions design, systems architecture and requirements definition. Knowledge of distributed systems, API development and integration patterns. Familiarity with financial services, payments or fintech technologies. Bachelor's degree in Computer Science, Computer Engineering ...

desirableStay abreast of emerging technologies and industry trends, evaluating their potential impact and advocating for them to be included on the product roadmap and development processesChampion continuous improvement, performance optimisation, and security throughout the development lifecycleSkills:Proven experience as a hands-on engineer with proficiency in KotlinHands … experience in backend API development using Node.js will be an advantageExperience in technical decision making guiding the team to propose solutions which implement standard mythologies so that a maintainable product is producedStrong leadership skills with the ability to inspire and mentor other engineersExperience working in the Quick Service ...

client data will be sourced, validated, and integrated into Mondra, leveraging where possible our existing Import and Export APIs and identifying where custom API development may be required for fulfil Mondra’s data requirements. You will also contribute to the client contracting process, ensuring technical commitments are clearly … including mapping data sources, transformation logic, and validation processes. Identify the client’s BI requirements, and define data export strategies (preferably via existing Mondra API). Identify the authentication/authorisation capabilities of the client, and promote the integration with Mondra’s Identity Provider via Single Sign On. Leverage ...

capabilities that support seamless customer fulfilment journeys across checkout, fulfilment, returns, amendments, and cancellations. Own features end-to-end, taking responsibility for solution design, development, testing, deployment, and production support. Help shape the technical direction of the Order Management platform, driving improvements in architecture, integration patterns, automation, reliability … practices and operational excellence, with a strong emphasis on collaboration and continuous improvement across teams. Highest-signal resume keywords IBM Sterling Order Management Java Development CI/CD Practices Observability and Monitoring Enterprise Service Design ATS Optimization Keywords Hard Skills Backend Engineering API Development Distributed Systems System ...

Engineer (Senior/Principal Consultant) to join our Technology Delivery Team. You’ll combine your expertise in AI/ML engineering and software development to build and deploy cutting-edge generative AI and agentic systems across the financial services sector. As a hands-on leader, you’ll architect … Science, AI, or related STEM fieldsHands-on experience deploying LLMs and multi-modal models at scaleStrong engineering background in Python with proven backend and API development skillsSolid understanding of scalable MLOps, observability, and cloud-native AI deploymentExcellent communication, problem-solving, and project management skills in agile environmentsBonus Points ...

Требования Strong, demonstrable Flutter and Dart experience, with the ability to own a production app independently; Solid backend experience with Node.js, TypeScript, MongoDB and API development; Experience integrating third-party services such as Shopify, payments and authentication; Confidence using AI tools to accelerate development; Pragmatic engineering judgement ...

ensure compliance with regulatory requirements while working in a collaborative environment. Essential skills include deep Azure engineering experience, proficiency in Python, and REST API development, alongside relevant educational credentials and certifications. #J-18808-Ljbffr ...

capable Full stack Java professional to deliver back-end and JSF UI work within a modern, microservices-based architecture. You will contribute to API development, data payload handling (JSON/XML), and integration projects using MuleSoft tooling as part of a dynamic, agile team. The role emphasizes ...

professional experience is a strong differentiator Comfort working across research and data engineering contexts — this role spans all three Experience with Docker, Kubernetes, and API development Strong product instincts — able to go deep technically while staying aligned to customer and business outcomes Bonus: Experience with LLMs ...