76 to 85 of 85 API Development Jobs in England

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment click apply for full job details ...

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 ...

GenAI Specialist

Hiring Organisation
Velocity Talent Ltd
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day £500 TO £550 A DAY inside IR35
hybrid 8-12 month contract paying £500 - £550 per day inside IR35, (2-3 days in the office) This includes core Python development using OOPs concepts, Large Language Models (LLMs), and Agentic AI architectures. The ideal candidate will collaborate with clients to understand complex business challenges, architect scalable … Capital Markets. As a Senior Lead Analyst, you will: Anchor the engagement effort from business process consulting and problem definition to solution design, development, and deployment. Lead the discovery and definition of AI/ML solutions and guide teams on project processes and deliverables. Act as a thought leader ...

Senior Software Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment … effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and Azure cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands ...

Senior Software Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment … effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and Azure cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands ...

Full Stack Engineer

Hiring Organisation
Rise Technical
Location
City of London, London, United Kingdom
expanding its internal systems and automation capabilities and is looking for a developer with strong experience in Python, AWS cloud services, and modern API development. This role offers the chance to work on impactful projects including business automation, data processing systems, and modern web applications. In this role … build backend services, APIs, and automation tools. You will work with technologies such as Python, AWS services including Lambda, EC2, S3, RDS, and API Gateway, as well as SQL databases and data processing libraries. You will also contribute to front end development using React where required and support ...

C# .NET Software Developer

Hiring Organisation
GMSL
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
have a great opportunity for a C# .NET Software Developer to join our fantastic software development team based in Cambridge. This is an ideal role for someone who wants to join a friendly, small and highly technical team where you can have a real impact. The role You will … embedded as a full-stack developer in one of our small agile development teams. You will collaborate alongside product owners, testers and other developers to develop features for our power-scheduling software product. Our view of agile software development is inspired by eXtreme Programming rather than Scrum. ...

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 ...

Backend Software Engineer (JuniorMid Level) Programmatic

Hiring Organisation
Mobkoi
Location
City of London, London, United Kingdom
Employment Type
Permanent
with partners developing the best technology across the globe. ROLE OVERVIEW As a Backend Software Engineer (JuniorMid Level) Programmatic, you will contribute to the development and evolution of MOBKOIs programmatic advertising platform. You will work closely with experienced engineers on backend systems that power real-time bidding (RTB), campaign … exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews, and progressive ownership of backend components. RESPONSIBILITIES Contribute to the development and improvement of MOBKOIs programmatic backend systems, including components of the real-time bidding (RTB) pipeline. Support the design and implementation of scalable, reliable ...

Backend Software Engineer Junior-Mid Level - Programmatic

Hiring Organisation
Mobkoi
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
partners developing the best technology across the globe. ROLE OVERVIEW As a Backend Software Engineer (Junior–Mid Level) – Programmatic, you will contribute to the development and evolution of MOBKOI’s programmatic advertising platform. You will work closely with experienced engineers on backend systems that power real-time bidding … exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews, and progressive ownership of backend components. RESPONSIBILITIES • Contribute to the development and improvement of MOBKOI’s programmatic backend systems, including components of the real-time bidding (RTB) pipeline.• Support the design and implementation of scalable ...