101 to 125 of 269 API Development Jobs in the UK

Core AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
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 … testing frameworks (e.g. Mocha, Jest, Cypress) 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. ...

Principal Software Engineer

Hiring Organisation
17918
Location
Manchester, Lancashire, United Kingdom
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 … testing frameworks (e.g. Mocha, Jest, Cypress) 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. TPBN1 ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Salford, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 ...

Java Developer (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Any
Salary
GBP Annual
seeking Software Engineers and Senior Software Engineers to support the delivery of secure, scalable, and resilient digital services. You will contribute to the design, development, testing, and deployment of software solutions while collaborating with multidisciplinary teams in an agile environment. Senior Software Engineers will also provide technical leadership, guide … integrate secure APIs and Back End services. Participate in solution design and technical discussions. Support testing, deployment and operational activities. Follow secure software development and DevOps practices. Essential Skills & Experience (Must Have) Java Spring Boot Kafka MongoDB API development and integration Basic understanding of Docker images ...

Python Engineer / Data Modeller

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
Python Developer to join their data governance function, sitting within a technology risk and controls team. We are looking for candidates with strong Python development experience, alongside hands-on Collibra metadata management expertise. Experience in data modelling, governance, APIs, SQL and financial services would be particularly relevant. You will … attributes, domains and workflows. Develop high-quality Python solutions for data modelling and governance use cases, using Pydantic for schema definition, validation, serialisation and API-ready data structures. Build reusable Python libraries and automation patterns supporting data ingestion, governance workflows, data quality, lineage and reporting at enterprise scale. Design ...

Agentic AI Software Engineer

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
developing next generation AI platforms, cloud native infrastructure, and intelligent agent based applications that support cutting edge scientific research. Key Skills & Experience Strong Python development experience FastAPI and backend API development Cloud platforms (GCP and/or Azure) Kubernetes, Docker, and cloud-native architectures CI/ ...

Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
between tactical edge sensors in low-bandwidth environments and strategic HQs running enterprise analytics. Python Engineering: High proficiency in Python for microservices, API development (FastAPI/Flask), data processing, and backend service development. Docker & Container Orchestration: Deep knowledge of containerisation using Docker, multi-stage builds, minimal base images … code adhering to MoD cyber security standards, automated testing, and building pipelines that package software into deployable Docker artifacts. The Experience You'll Bring Development & Tech: Python, Microservices, REST APIs, FastAPI, Flask, Asynchronous Programming, Object-Oriented Programming (OOP), Test-Driven Development (TDD). DevOps & Deployment: Docker, Docker Compose ...

Azure Cloud FullStack

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £520/day
with JSON and JavaScript to build and consume data-driven interfaces Script and automate operational tasks using PowerShell Apply strong Azure security practices throughout development Troubleshoot issues and support ongoing improvements across the platform What you'll bring: Proven experience in API development and building integration layers … Strong Azure capability, including Azure Logic Apps Front-end development experience with React/Angular/Vue.js Back-end development experience with .NET, Node.js or Python Working knowledge of C# and JavaScript, with confidence using JSON Ability to develop with security in mind, particularly around Azure A collaborative ...

Junior Software Engineer (Data Products)

Hiring Organisation
Yapily
Location
London, United Kingdom
Salary
£ 70 K
/Sub, BigQuery, Cloud Storage Cross-functional Collaboration: Partnering with BI, infrastructure, and productteams to understand data requirements and deliver technical solutions. API Development: Helping build and document APIs that deliver a seamless dataexperience for internal and external stakeholders. Database Operations: Working with SQL and NoSQL databases, helping … understanding of CI/CD concepts. Problem-Solving Mindset: A proactive approach to debugging and a genuinecuriosity about how data flows through a system. API Awareness: Basic understanding of REST APIs and how microservicescommunicate. Educational Background: A degree in Computer Science, Software Engineering, ora related field (or equivalent practical ...

Software Engineer

Hiring Organisation
Jobleads-UK
Location
Bristol, England, United Kingdom
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 ...

Principal Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Backend Software Engineer - Application Development

Hiring Organisation
Palantir Technologies
Location
London, United Kingdom
Salary
£ 80 K
architect a new 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 … 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 ...

Senior Data Platform Engineer (Python & Databricks)

Hiring Organisation
Jobleads-UK
Location
City of Edinburgh, Scotland, United Kingdom
About Codelitt At Codelitt, we are more than a product-development company. We are creators, innovators, and problem solvers. We partner with companies around the world to design and build meaningful digital products, modernize complex systems, and solve challenging technical problems. Our globally distributed team values technical excellence, ownership … platform. We process our payment in US dollars, however you can receive it in your local currency. What You’ll Do Data Platform Development Build and maintain components of a large-scale financial data platform. Develop reliable data pipelines for ingesting, transforming, and delivering financial data. Design data models ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, United Kingdom
Salary
£ 80 K
your peers on technical direction within your teamRequired Skills and ExperienceFull-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, JavaREST API development & OpenAPI/SwaggerCloud services (AWS or Azure)Containerisation & Orchestration (Docker, Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Relational Databases (e.g. PostgreSQL)Elasticsearch … testing frameworks (e.g. Mocha, Jest, Cypress)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 & Work ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 80 K
your peers on technical direction within your teamRequired Skills and ExperienceFull-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, JavaREST API development & OpenAPI/SwaggerCloud services (AWS or Azure)Containerisation & Orchestration (Docker, Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Relational Databases (e.g. PostgreSQL)Elasticsearch … testing frameworks (e.g. Mocha, Jest, Cypress)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 & Work ...

FullStack ASP.NET Developer – Insuretech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Tech: JavaScript, ASP.NET MVC 5, Entity Framework Code First, Restful API, Angular, SQL, Azure Challenge: Greenfield platform, API development, industry specific challenges Firm: Well-known Insuretech business, City of London, 5 man flat Dev Team Pay: 75k, Bonus- 750 training budget, Pension, Life/Health, Some Flex … individualised, algorithmic financial products, bringing together investment banks, insurance companies, asset managers and commercial banks. • You will be responsible for the design, planning and development of front-end solutions, based on industry requirements and resulting from cooperation with the team and our customers • You will need to establish testing ...

Backend Developer (Azure)

Hiring Organisation
Experis
Location
Derby, Derbyshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
from early in the assignment. The environment is Microsoft and Azure-led, with a backend platform built around C#/.NET, Azure Functions, Azure API Management, Azure SQL, Service Bus and Azure DevOps. What you'll be doing You'll be responsible for building, enhancing and supporting backend services … shaping the technical approach through to build, test, deployment and operational support. Key skills we're looking for Strong C#/.NET backend development experience Azure Functions experience Azure API Management Azure Service Bus Azure SQL, including stored procedures, schema changes and performance awareness Azure DevOps, CI/ ...

ASP.NET MVC Developer – Fintech50

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
factoring and invoicing market by storm. This is a brand new project to create an efactoring platform and CRM system from scratch.The ASP.NET MVC Development role is expansionary due to a brand new international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET MVC and noSQL (which will be gained in experience)The ASP.NET MVC Developer will be fully responsible for production, modification ...

Senior AI Engineer, Agentic Systems

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
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 ...

Lead Software Engineer - GLCM Postings

Hiring Organisation
Hackajob Ltd
Location
Bournemouth, Dorset, South West, United Kingdom
Employment Type
Permanent
critical applications, ensuring alignment with business goals and industry best practices Lead and mentor a team of software engineers, providing guidance, support, and professional development opportunities Drive the design and implementation of high-performance backend services using Java and cloud-native technologies Champion the development of highly resilient … availability, and disaster recovery Drive the adoption and optimization of MongoDB (including change streams), Kubernetes, and other modern platforms Set and enforce standards for API design and development (REST/gRPC), including best practices for versioning, documentation, and error handling to ensure robust, secure, and scalable interfaces Guide ...

Senior Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
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 ...

Senior Product Engineer C#/.NET & AI

Hiring Organisation
Daniel James Resourcing Ltd
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£80,000
customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...