API Development Jobs in the North of England

20 of 20 API Development Jobs in the North of England

C# Developer - .NetCore

Crewe, Cheshire, United Kingdom
Hybrid/Remote Options
OCC Computer Personnel
C# Developer - .NetCore, C# C# .NET Developer to write clean reliable code. Core Web API development needed for an excellent, fast paced, innovative tech driven client. Working on real-time payment software you will be working on exciting tech electric vehicle software and joining a small professional, highly talented SW dev team. Expertise in C# .NET. It would … microservices, DevOps working in a clopud AWS environment with exposure to Kubernetes, CI/CD, Containerisation, pipelines, deployment. Writing functioning code, crafting solutions, with the following tech stack: C# development .NET Core Web API development ORM - Linq2DB, Entity framework Core .Net5 Docker, CI/CD Git Agile Coding and programming in C# and .NetCore, .Net5+ developing new … existing systems which are web, microservices. You will be involved writing Nuget packages, developing unit and integration tests, performing code reviews, and debugging systems! Working in an Agile software development environment, working with CI/CD pipeline tech, ORM Technologies, Docker composer, Kubernetes, and cloud AWS/Azure. This an excellent opportunity for someone who has a drive for More ❯
Employment Type: Permanent
Salary: £NEG benefits
Posted:

Senior C# Developer - .NetCore

Crewe, Cheshire, United Kingdom
Hybrid/Remote Options
OCC Computer Personnel
Senior C# Developer - .NetCore, API, NuGet, ORM, Linq2DB Talented, Senior C# .NET Developer to work on a feature rich platform. Developing features modern .NET helping shape the future of sustainable transport. Participate in planning, architecture discussions, code reviews to ensure clean reliable code. Core Web API development needed for an excellent, fast paced, innovative tech driven client. … software and joining a small professional, highly talented SW dev team. Expertise in C# .NET. Experience of enhancing web and microservices systems, AWS, creating managnig internal NuGet packages. C# development .NET Core .Net Core Web API development ORM - Linq2DB, Entity framework .Net5 Docker, CI/CD Git Agile Coding and programming in C# and .NetCore, .Net5+ developing … existing systems which are web, microservices. You will be involved writing Nuget packages, developing unit and integration tests, performing code reviews, and debugging systems! Working in an Agile software development environment, working with CI/CD pipeline tech, ORM Technologies, Docker composer, Kubernetes, and cloud AWS/Azure. This an excellent opportunity for someone who has a drive for More ❯
Employment Type: Permanent
Salary: £NEG benefits
Posted:

Data Analyst

newton-le-willows, north west england, united kingdom
Hybrid/Remote Options
Linaker
integrity by implementing robust data management practices. Collaborate with cross-functional teams to support digital transformation initiatives and enhance data-driven decision-making. Contribute to the support and continual development of the data landscape to ensure its optimal performance and availability. Required skills & qualifications: Excellent communication and collaboration skills, with the ability to manage multiple projects alongside ad hoc … Pyspark, R, Java, or Scala. Experience with any of the following would be desirable but not essential; Microsoft's Fabric data platform, Experience with ADF such as managing pipelines, API development, API webhooks, automation. Previous experience working with facilities management datasets. What we offer THE PACKAGE A competitive salary with annual pay reviews. 25 Days holiday plus More ❯
Posted:

C# Developer

Crewe, Cheshire, England, United Kingdom
Radius
you’ll be part of a well-established, collaborative team building a feature-rich platform that’s evolving rapidly as the EV market matures. You’ll contribute to the development and maintenance of a wide range of features using modern .NET technologies, helping shape the future of sustainable transport. We’re seeking someone who writes clean, reliable code, enjoys … solving real-world business problems, and thrives in a global team of skilled professionals. You’ll be encouraged to stay current with emerging technologies, adopt modern development practices, and actively participate in planning, architecture discussions, and code reviews. This role reports to the Team Lead and offers flexibility with either full-time office-based work or a hybrid model … and managing internal NuGet packages Writing robust unit and integration tests Participating in peer code reviews Diagnosing and resolving system issues Qualifications 2–4 years’ commercial experience in C# development Solid understanding of .NET Core and Web API development Experience working in Agile software development teams Familiarity with relational databases and basic knowledge of key-value More ❯
Employment Type: Full-Time
Salary: £0 per annum
Posted:

Full Stack Developer

Billingham, Cleveland, England, United Kingdom
Hybrid/Remote Options
Erin Associates
and building an internal product suite. You will translate business requirements into robust, scalable, and high-performing software solutions, utilising your expertise to suggest improvements.This is a hands-on development role, and you will be joining an Agile team that host applications in the cloud and on-prem. You will contribute to all stages of the development lifecycle … from design, development, QA and continuous integration. You will have access to modern technologies and the support to expand on your technical repertoire.In the position of Software Developer, you will have the opportunity to work on innovative projects within a supportive and collaborative team environment whilst making a meaningful impact in a growing organisation.For this role, there are hybrid … working options, with the opportunity to work two days per week from home. Key Requirements: C#, .NET Core Experience of the entire software development lifecycle. Agile/Scrum JavaScript SQL Server, ETL processes, System integrations API Development Azure - Beneficial Strong communication skills. Package: Life assurance, pension contributions, Healthcare and wellbeing, Retail Discounts, Cycle 2 Work and many More ❯
Employment Type: Full-Time
Salary: £45,000 - £52,000 per annum, Inc benefits
Posted:

Java Fullstack Engineer

Leeds, West Yorkshire, England, United Kingdom
DABSTER SYSTEMS UK LIMITED
Work With: Our client is a leading global technology and engineering solutions company, delivering next-generation digital transformation initiatives. You will work as part of a high-performing Agile development team focused on building a credit decisioning engine powered by scalable microservices and cloud-native solutions. About the Role: As a Java Fullstack Engineer , you will play a pivotal … and frontend features focused on performance and reliability. Work closely with architects and product owners to define and implement technical solutions aligned with business goals. Required Skills & Experience: Backend Development: 8–15 years of experience with Java, Spring Boot , and microservices architecture . Java 17: Hands-on experience is mandatory . DevOps & Cloud: Proven experience with GCP , AWS , or … Azure , and familiarity with CI/CD pipelines . API Development: Expertise in RESTful API design and development. Frontend: Working knowledge of ReactJS or Angular . Testing: Strong background in automated testing , including JUnit . Mindset: Excellent communication skills and a commitment to continuous learning in a collaborative Agile environment. Good to Have: Experience with GCP Data More ❯
Employment Type: Contractor
Rate: £350 - £400 per day
Posted:

Senior Web Developer - .NET Core | Azure | APIs | £45,000-£60,000

Manchester, Lancashire, United Kingdom
Hybrid/Remote Options
IT Talent Solutions Ltd
Greater Manchester My client is hiring for a .NET Developer to work on new and evolving products used by major UK brands. You will be involved in the full development life cycle, from system design and implementation to deployment and optimisation. This is a hands-on technical role focused on scalable API development, cloud integration, and continuous … Building and maintaining services using ASP.NET Core, C#, MVC, and Razor Designing and integrating RESTful APIs for both internal and third-party systems Writing tested, maintainable code using modern development practices Working across SQL Server for data design and access Collaborating within Agile teams using sprints or Kanban Deploying to cloud platforms (primarily Azure ) using CI/CD pipelines … Requirements 5+ years of .NET development experience , with full-stack exposure Practical experience with ASP.NET Core, C#, Web API, HTML/CSS/JavaScript Strong understanding of software design principles (SOLID, design patterns) Experience with Git , version control workflows, and CI tools Exposure to cloud technologies , ideally Azure (App Services, DevOps, etc.) Bonus if you've worked with More ❯
Employment Type: Permanent
Salary: GBP 45,000 - 60,000 Annual
Posted:

Back End Developer

Liverpool, Merseyside, United Kingdom
Hybrid/Remote Options
Maxwell Bond
Lead Developer (Contract, AI-Driven Environment, Node.JS) We’re looking for an experienced backend senior developer to support API development and backend delivery for a high-traffic consumer platform. You’ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools and AI-assisted development. *6 month, fully remote contract. Outsdie IR35* You … if you: Deliver production-ready APIs fast and independently Have proven experience with consumer-facing platforms Use AI coding tools (Cursor, Claude Code, Codex, or similar) to speed up development Make confident technical decisions with minimal guidance Follow clear architectural standards and established development patterns Understand backend performance, scalability, and security at production scale Build reliable, maintainable APIs … mentoring Anyone without production experience in consumer-facing systems Those who avoid AI coding tools Core Technical Requirements: Node.js (extensive production experience) - this is key, you must have RESTful API design and development (production experience) Database design and optimization (SQL and/or NoSQL) Authentication, authorization, and security best practices AI coding tools (GitHub Copilot, Claude, Cursor, or More ❯
Employment Type: Contract
Rate: £400 - £450/day
Posted:

Software Developer

Stockton-on-Tees, Cleveland, England, United Kingdom
Hybrid/Remote Options
Erin Associates
and building an internal product suite. You will translate business requirements into robust, scalable, and high-performing software solutions, utilising your expertise to suggest improvements.This is a hands-on development role, and you will be joining an Agile team that host applications in the cloud and on-prem. You will contribute to all stages of the development lifecycle … from design, development, QA and continuous integration. You will have access to modern technologies and the support to expand on your technical repertoire.In the position of Software Developer, you will have the opportunity to work on innovative projects within a supportive and collaborative team environment whilst making a meaningful impact in a growing organisation.For this role, there are hybrid … work two days per week from home. Please get in touch to discuss the salary bracket for this role. Key Requirements: C#, .NET Core Experience of the entire software development lifecycle. Agile/Scrum JavaScript SQL Server, ETL processes, System integrations API Development Azure - Beneficial Strong communication skills. Package: Life assurance, pension contributions, Healthcare and wellbeing, Retail More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Software Engineer

Leeds, West Yorkshire, England, United Kingdom
Hybrid/Remote Options
Oscar Technology
Actions, CI/CD pipelines Standards: FHIR, HL7, SNOMED CT (training available) What We're Looking For Solid commercial experience with PHP and Laravel Experience with React.js for frontend development Strong understanding of API development and relational databases Exposure to cloud platforms or containerisation is a bonus Passion for building technology that improves healthcare and patient outcomes More ❯
Employment Type: Full-Time
Salary: £40,000 - £60,000 per annum
Posted:

Senior Backend Developer

Manchester, United Kingdom
The Portfolio Group
architecture and support business-critical applications. This is a highly collaborative role for someone with a passion for software craftsmanship and continuous improvement. Using your 5+ years of backend development experience, you'll enhance core product features, design scalable systems, and work closely with relevant stakeholders to deliver technical solutions that drive real value. Beyond your individual contributions, you … ll mentor junior developers, champion best practices, and drive meaningful improvements in our development processes and tools. This is an opportunity to make a real impact; both through the systems you build and the team culture you help shape. As a Senior Backend Developer, your key responsibilities include; Enhance features and functionality of core products Design and implement scalable …/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools What you'll bring You're an experienced backend developer with a solid foundation in modern software engineering practices. You understand what it takes to build More ❯
Employment Type: Permanent
Salary: £65000 - £80000/annum
Posted:

Senior Backend Developer

Manchester, Lancashire, England, United Kingdom
The Portfolio Group
architecture and support business-critical applications. This is a highly collaborative role for someone with a passion for software craftsmanship and continuous improvement. Using your 5+ years of backend development experience, you'll enhance core product features, design scalable systems, and work closely with relevant stakeholders to deliver technical solutions that drive real value. Beyond your individual contributions, you … ll mentor junior developers, champion best practices, and drive meaningful improvements in our development processes and tools. This is an opportunity to make a real impact; both through the systems you build and the team culture you help shape. As a Senior Backend Developer, your key responsibilities include; Enhance features and functionality of core products Design and implement scalable …/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools What you'll bring You're an experienced backend developer with a solid foundation in modern software engineering practices. You understand what it takes to build More ❯
Employment Type: Full-Time
Salary: £65,000 - £80,000 per annum
Posted:

Senior Backend Developer

Manchester, United Kingdom
The Portfolio Group
/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools What You Bring 5+ years of backend development experience Expertise in C#, .NET (preferably .NET 6+), and SQL Server Deep understanding of SOLID and OOP … principles Skilled in Git, Unit Testing (NUnit), and API development Familiarity with CI/CD pipelines and agile methodologies Strong communication and problem-solving skills Desire to grow within a dynamic and evolving team Why Join? This is an incredible opportunity to make your mark in a company that prioritises purpose, innovation, and professional growth. You'll be … part of a team where your ideas are welcomed, your development is encouraged, and your work truly matters. Ready to build something that helps others-and builds your career in the process? Apply today. 48954MSR2 INDMANS More ❯
Employment Type: Permanent
Salary: £70000/annum
Posted:

Backend Engineer - .NET

Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Ronald James
a sophisticated core platform built with .NET (C#) and hosted on Microsoft Azure , applying modern microservices architecture at scale. You’ll also gain exposure to Node.js and TypeScript for API development and integration work, plus Angular for front-end experiences. The environment includes modern DevOps practices with Terraform (IaC) , GitHub Actions (CI/CD) , and Kubernetes for scalability More ❯
Employment Type: Full-Time
Salary: £40,000 - £70,000 per annum
Posted:

Cloud Application Developer

Manchester, Lancashire, England, United Kingdom
Sanderson
government in their search for a Cloud Java Developer to work out of either Manchester or Gloucestershire. This client, aside from offering a very strong package, offer an excellent development programme, with a real willingness to support both financially and otherwise. Tech wise, we have requirement for both Java and Python backend languages, and cloud experience would also be … or Java, React, Go Familiarity with deploying applications to cloud architecture and technologies in AWS environments. Experience with web application services Experience of Test Driven or Behaviour Driven development. API development and integration Experience with monitoring systems Working knowledge of digital delivery processes and methodologies. Working knowledge of Atlassian Toolset. Knowledge of JavaScript frontend frameworks. Understanding of front More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Backend Software Engineer

Manchester, Lancashire, England, United Kingdom
Hybrid/Remote Options
Bruin Financial & Professional Services
Manchester (3 days per week in office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

C# / .NET Developer - .NET Core, microservices, cloud

Cheshire, United Kingdom
Hybrid/Remote Options
Applause IT Recruitment Ltd
smart, scalable software solutions. As part of continued investment in their technology function, they're now looking for an experienced C#/.NET Developer to join a friendly, collaborative development team based in Crewe. The Role You'll play a key role in designing, developing, and maintaining modern applications and APIs used by customers around the world. Working within … ownership of your work while contributing to a wider team effort. You'll ideally have: 2-4 years' commercial experience with C# and .NET Core Strong understanding of Web API development Experience with relational databases and ORM tools (e.g. Entity Framework, Linq2DB) Familiarity with CI/CD pipelines, Agile delivery, and Git Exposure to Docker and cloud environments … scale applications Hybrid working model (3 days in office, 2 remote) Supportive, inclusive, and innovation-focused culture Competitive salary with performance bonus and comprehensive benefits Real opportunities for personal development and progression This is a great opportunity for a C#/.NET Developer looking to join a forward-thinking, growing technology business where you can make a tangible impact More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# / .NET Developer - .NET Core, microservices, cloud

Crewe, Cheshire, Haslington, United Kingdom
Hybrid/Remote Options
Applause IT Recruitment Ltd
smart, scalable software solutions. As part of continued investment in their technology function, they're now looking for an experienced C#/.NET Developer to join a friendly, collaborative development team based in Crewe. The Role You'll play a key role in designing, developing, and maintaining modern applications and APIs used by customers around the world. Working within … ownership of your work while contributing to a wider team effort. You'll ideally have: 2-4 years' commercial experience with C# and .NET Core Strong understanding of Web API development Experience with relational databases and ORM tools (e.g. Entity Framework, Linq2DB) Familiarity with CI/CD pipelines, Agile delivery, and Git Exposure to Docker and cloud environments … scale applications Hybrid working model (3 days in office, 2 remote) Supportive, inclusive, and innovation-focused culture Competitive salary with performance bonus and comprehensive benefits Real opportunities for personal development and progression This is a great opportunity for a C#/.NET Developer looking to join a forward-thinking, growing technology business where you can make a tangible impact More ❯
Employment Type: Permanent
Posted:

IOS Developer

Stockport, Cheshire, England, United Kingdom
Eligo Recruitment
latest iOS platform updates? Write clean, testable, maintainable Swift and Objective-C code? Refactor legacy components to improve performance and stability? Debug and enhance existing functionality? Contribute to scalable API design? Set up and run A/B tests to validate UX and product decisions? Manage the full release cycle via App Store and TestFlight Must-Have Skills 5+ … years of native iOS development? Expert Swift and Objective-C? Experience modernising legacy Objective-C codebases? Strong understanding of iOS SDK fundamentals? Experience with SwiftUI, Storyboards and XIBs? Knowledge of MVVM and clean architecture principles? Strong understanding of async/await and concurrency? Experience with CI/CD pipelines? Proven App Store release experience? Strong unit and UI testing … Nice to Have A/B testing tools (e.g., Firebase)? StoreKit, in-app purchases, payment integrations? Familiarity with Apple HIG? Experience with performance optimisation and profiling? Exposure to scalable API development Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and More ❯
Employment Type: Full-Time
Salary: £50,000 - £70,000 per annum
Posted:

Technical Lead

Liverpool, Merseyside, England, United Kingdom
Hybrid/Remote Options
Oscar Technology
Liverpool | Hybrid | £70,000-£80,000 DOE About the Role We're looking for a Technical Lead with deep expertise in the Microsoft technology stack to lead the design, development, and delivery of robust software solutions. This role combines hands-on technical leadership with mentorship and strategic oversight - ideal for someone who thrives at the intersection of architecture, coding … and team enablement. Key Responsibilities Lead technical design and development across projects built on the Microsoft stack (e.g., .NET Core, C#, Azure, SQL Server). Architect scalable, secure, and maintainable solutions aligned with business goals and best practices. Guide and mentor developers , performing code reviews and fostering an environment of technical excellence. Collaborate cross-functionally with product managers, designers … compliance with security standards, data protection, and governance requirements. Participate in client and stakeholder meetings , providing technical insight and recommendations. Essential Experience: 7+ years of professional experience in software development with strong hands-on expertise in C# and .NET/.NET Core . Proven experience designing and delivering cloud-native applications on Microsoft Azure . Strong knowledge of RESTful More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:
API Development
the North of England
10th Percentile
£44,500
25th Percentile
£50,625
Median
£57,500
75th Percentile
£69,063
90th Percentile
£76,750