151 to 175 of 269 API Development Jobs in the UK

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 ...

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 ...

. Job Description Architecting software solutions using the Microsoft Azure stack primarily, with scope to work with Open Source technology where appropriate (70% technical development and 30% management split) Helping to build and lead an effective, cross-functional squad practising agile ways of working (Scrum, DevSecOps, Design Sprints … participation within a highly collaborative tribe of software engineering professionals, ensuring alignment on standards and ways of working. Qualifications Experienced in .Net and C# development Current ability to act as a Lead .Net Developer and experience at this level is essential with line management or the ability to supervisor ...

Inside IR35) Contract: Initial 6 Months- Likely extensions We're working with a leading organisation that is investing heavily in the development and enhancement of its digital platforms. As part of this growth, we're looking for an experienced .NET Developer to join a collaborative engineering team and contribute … delivery of modern, scalable applications used across the business. This is an excellent opportunity for a developer who enjoys working across the full software development lifecycle, from designing and building new features through to maintaining and improving existing applications. You'll work closely with developers, architects, product teams ...

Inside IR35) Contract: Initial 6 Months- Likely extensions We're working with a leading organisation that is investing heavily in the development and enhancement of its digital platforms. As part of this growth, we're looking for an experienced .NET Developer to join a collaborative engineering team and contribute … delivery of modern, scalable applications used across the business. This is an excellent opportunity for a developer who enjoys working across the full software development lifecycle, from designing and building new features through to maintaining and improving existing applications. You'll work closely with developers, architects, product teams ...

shopping through AI and technology. We are looking for an experienced Senior Full-stack Engineer to join our Shop Experience team within the Product Development tribe. You will play a key role in shaping seamless, trustworthy, and high-performing shopping experiences for millions of users around the world. … product experiences are built by collaborative teams with strong technical foundations and a deep understanding of user needs. You will focus on: Full-stack Development: You will design, build, and evolve scalable web applications and backend services using React, TypeScript, and Python (Django). You’ll contribute across ...

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 ...

production efficiency, and customer experience. Software Engineer – CNC & Connected Manufacturing Solutions We are seeking an experienced and motivated Software Engineer to join a specialist development team delivering innovative digital solutions for the CNC machining and manufacturing sector. Working closely with machine tool experts, customers, and fellow developers, you will … that enables connected manufacturing, machine monitoring, data integration, and operational optimisation. This is a hands-on role where you will contribute throughout the software development lifecycle, from concept and design through to deployment and customer support. Experience within a CNC machining, machine tool, precision engineering, or manufacturing environment ...

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 ...

. Job DescriptionArchitecting software solutions using the Microsoft Azure stack primarily, with scope to work with Open Source technology where appropriate (70% technical development and 30% management split)Helping to build and lead an effective, cross-functional squad practising agile ways of working (Scrum, DevSecOps, Design Sprints) in tight … this level is essential with line management or the ability to supervisor other developersExperience of RESTful servicesCode review experience Experience of Cloud applications development in Azure, AWS, Oracle Cloud or another Cloud platformArchitectural design and experience of creating solutions for Cloud-based applications API Development experience Agile ...

outcomes without dependency on external PMs Ensure outputs are production-ready, maintainable, and observable from day one Apply AI and automation tooling to accelerate development, testing, and operations Integrations & API Development Both independently and via 3rd Party Engineering team Integrate third-party services, for example payment processors …/KYB providers, fraud platforms, and banking APIs Build and maintain robust API layers including validation, orchestration, and workflow logic Implement secure, PCI-aware designs aligned with payments industry expectations Data & Infrastructure Design and maintain data pipelines and reporting structures using AWS native tooling Apply high availability and fault ...

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 ...

Tech: C#, SQL, MVC, WPF, .net coreChallenge: Greenfield Insurance platform, API development, industry specific challengesFirm: Well-known Insurance Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Software Engineer Quant Capital is urgently … C# Developer to work for our high profile Lloyds of London insurer.This is an opportunity for an individual with a strong software development background. The applicant will be responsible for design, development and maintenance of my clients main pricing analytical library in C#.This varied role is based ...

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 ...

automating and maintaining cloud environments. Extensive experience building and optimising CI/CD pipelines, enabling automated build, test and deployment processes. Solid understanding of API development, integration and management, including RESTful services and microservice architectures. Commercial experience developing applications using .NET and/or JavaScript, with the ability ...

technologies. Strong background/education in the techniques and tools of data science and deep data analysis. Knowledge of AWS services, Microservices (Kubernetes, Docker), API Development and DevOps, or willingness to undertake training in these areas. Bachelor’s Degree in Management Information Systems or Computer Science is preferred ...

team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City … office on a fulltime basis, Monday to Friday. About you: You have strong C# .Net, ASP.Net development experience You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns ...

Step into the role of a Principal Information Architect (Executive Director) at JPMorganChase and become a promoting force behind the development and adoption of cutting-edge, cloud-based technologies. Make metadata real, usable, and impactful in modern engineering. In this role, you’ll sit at the intersection of Information … influence direction through thought leadership (not people management), partnering with stakeholders to drive standards and adoption. You will help ensure models and metadata support development practices and regulatory asks in a clear, implementable way.This could suit a strong Information Architect with metadata experience and an interest in software development ...

Tech: C#, SQL, ASP.NET, WinformsChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 50k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingJunior C# Software EngineerQuant Capital is urgently looking … business. They provide valuations and pricing of derivatives to most of the buy side.This is an opportunity for an individual with a junior software development background. The applicant will be responsible for design, development and maintenance of my clients main pricing analytical library in C# Full training will ...

this role. JOB DESCRIPTION Step into the role of a Principal Information Architect (Executive Director) at JPMorganChase and become a promoting force behind the development and adoption of cutting-edge, cloud-based technologies. Make metadata real, usable, and impactful in modern engineering. In this role … influence direction through thought leadership (not people management), partnering with stakeholders to drive standards and adoption. You will help ensure models and metadata support development practices and regulatory asks in a clear, implementable way. This could suit a strong Information Architect with metadata experience and an interest in software ...

across Scripting, APIs, and containerised environments Containerise and deploy applications and services using Docker and Kubernetes Required Skills/Experience Hands-on experience with API development using Python and FastAPI Strong problem-solving, debugging, and analytical skills Solid experience with Python development in production environments Familiarity with … Prometheus, Grafana, and OpenTelemetry Knowledge of enterprise tools such as Control-M, TrueSight, Guardium, Tenable Nessus, or Delinea Understanding of security practices and software development within highly regulated environments End-to-end experience with CI/CD pipelines including build, test, and deployment processes If you are interested ...

Experience working within a product/SaaS environment. Strong OOP, SOLID and clean coding principles. Experience developing applications at scale, including high traffic/API/data volumes. SQL/MySQL experience. Experience building cloud-based applications. Strong examples of mentoring and coaching other engineers. Comfortable working closely with … Product Managers and taking ownership of solutions. Genuine curiosity around AI and AI-assisted development. Nice to have: Symfony, Laravel or CodeIgniter experience, API development, GCP/AWS/Azure, microservices, Terraform and observability tooling. Why consider it? You'll get a strong mix of hands-on 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 ...

self-service enablement.Required Qualifications:Degree in Engineering, Computer Science, or a related field.4+ years of experience in DevOps, SRE, or platform engineering roles.Software development experience with Python.Experience with system administration and troubleshooting (Linux, Bash, Containerization).Infrastructure automation and configuration management experience (e.g., Ansible, Terraform, Puppet).Nice to have:Deep … .Familiarity with specific middleware (e.g., Kafka, Consul), HPC schedulers (e.g., Slurm), Kubernetes, or workflow orchestrators (e.g., Airflow, Prefect).Experience with on-premise deployments of development tools like GitLab, Artifactory, CICD, or JupyterHub.Knowledge of other programming languages such as Golang, Rust, or JavaScript.Experience with advanced software engineering concepts, API ...