12 of 12 API Development Jobs in the South East

Senior .NET Developer (MAUI / Mobile)

Hiring Organisation
Partnerscale
Location
Bicester, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
keeping SQL Server and Azure SQL performing well. Clean architecture, SOLID principles and writing testable, maintainable code matter here. As well as your own development work, you'll contribute to code reviews, help shape technical standards, provide some light-touch mentoring to less experienced developers and engage directly with … stakeholders. Not a management role - but you'll have influence. Key Experience: 5+ years commercial .NET development Strong ASP.NET Core including MVC and API development Experience building Android apps with .NET MAUI or Xamarin.Forms Good OOP and software design skills, comfortable thinking about architecture Solid Entity Framework ...

Backend Developer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
software company working on an innovative SaaS platform. Due to continued success and expansion, we're seeking a talented Backend Developer to join our development team. The Role You'll be responsible for maintaining and updating our platform's APIs, implementing new features based on customer requirements. This role … feedback that may arrive in various forms across multiple channels. We prioritize creating software that's easy for end users, even when this increases development complexity. If you share this philosophy and take pride in your craft, we want to hear from you. Essential Requirements You must have 2+ ...

Senior Data Scientist

Hiring Organisation
Ronald James
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
excellent communication & time management skills. Tech stack: AWS/GCP Python - Preferred Docker Preferred or Kubernetes SQL/PostgreSQL Git Nginx Flask or Fast API CI/CD, API development & Management, NLP, Machine Learning Experience & skills: 5+ years of commercial experience as a Data Scientist with current ...

Full Stack NextJS Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
design build deploy) Contributing to architecture and best practices Collaborating closely with product and engineering teams What they’re looking for: 5+ years’ software development experience Strong Next.js/React/TypeScript background Experience building scalable web applications Solid understanding of SSR, SSG & frontend performance API development ...

Senior Full-Stack Engineer (Node.JS/React/Next.JS)

Hiring Organisation
Ithika Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £90,000 per annum
Improved performance and reliability of key product areas Helped shape engineering practices around code quality, testing, and maintainability Tech Stack: TypeScript/JavaScript Node.js (API development) React, Next.js AWS Serverless (Lambda, API Gateway) Vercel SQL Server Algolia CI/CD (TeamCity) You Might Be a Good ...

HRIS System Integration Engineer

Hiring Organisation
Morson Edge
Location
Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£550 - 600 per day + None
IR35 Day rate: Up to £600 per day Duration: Initial 3 months but will most likely extend Start date: ASAP Key words: ElementSuite, Integration, API, Dataflows We are looking for a HRIS system Integration Engineer to connect our Clients core HRIS (ElementSuite) with their AI recruitment tool (Talent.AI … data flow, writing the middleware or scripts to sync these systems, and ensuring that data remains secure and accurate across all platforms. Core Responsibilities - API Development & Mapping: Use REST APIs to create seamless data synchronisation between ElementSuite, Aslan, and Talent.AI. - Workflow Automation: Automate the _Hire-to-Onboard_ journey ...

Senior Data Scientist - 12 Month FTC

Hiring Organisation
Vitality
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
leverage external tools Familiarity with agentic SDKs (ADK, LangChain, LlamaIndex, etc.) Proven track record of deploying AI applications into production environments Strong understanding of API development, microservices, and containerization (Docker, Kubernetes) Knowledge of MLOps best practices Excellent problem-solving skills and ability to work in a fast-paced ...

Software Engineering Lead

Hiring Organisation
VIQU IT Recruitment
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
pivotal point in their growth, having an influence over the technical strategy whilst remaining hands. Experience required: Strong background in modern .NET/C# development & architecture. A track record of leading and mentoring teams of engineers. Cloud experience across Azure & AWS. Experience with Angular framework, REST APIs … API development. Experience with testing frameworks and quality engineering practices (unit & integration testing and test driven development). SpecFlow for Behaviour-Driven Development and Postman for API testing. Experience building and maintaining CI/CD pipelines. Knowledge of Docker and containerised applications. Hands on experience with ...

Senior Technical Lead (AI & Data Platform)

Hiring Organisation
Brightsmith
Location
Oxford, England, United Kingdom
Help shape the long-term engineering team and technical roadmap Experience Requires- Senior Technical Lead 5+ years software engineering experience Strong Python backend and API development Experience building production systems in startups or fast-moving environments Experience with data-heavy platforms or analytics products Interest in AI, modelling ...

Java Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 per day
seeking a skilled Java Developer to join our engineering team and contribute to the design, development, and maintenance of high-quality, scalable software solutions. The ideal candidate has strong experience in core Java, modern frameworks, API development, and cloud-based architectures. You will work closely with product ...

Senior Developer

Hiring Organisation
SUMMER-BROWNING ASSOCIATES LIMITED
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £0.00 per day + Excellent Day Rates
hold active SC Clearance and have a proven background in software engineering, demonstrating the following skills and experience: Proficiency in C# and .NET Core API development. Extensive SQL Server skills, including stored procedures and optimisation. Experience designing backend architecture within secure or modern API-driven environments. Experience with …/CD pipelines (GitHub Actions or Azure DevOps). Familiarity with clean architecture or domain-driven design. Understanding of API testing and integration testability. React, TypeScript, and Javascript highly desired Comprehensive understanding of Agile methodologies and security best practices. Familiarity with secure environments in the public sector or defence ...

Applications Developer

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
aligned with business goals. What They Are Looking For Degree in Computer Science, Information Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience … with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage multiple projects. Excellent communication and collaboration skills. Why Apply? This is a fantastic opportunity to join a prestigious global organization that values innovation and offers a collaborative, forward-thinking environment. You'll work ...