10 of 10 Permanent API Development Jobs in the North of England

Senior Developer

Hiring Organisation
Ascend Consulting
Location
North West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £80,000 per annum
Senior Developer, Back End, API, .Net SQL, NW London to £80K (office based role) A Senior Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed … required with expertise in .NET, C#/VB, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities ...

Windows Server Administrator

Hiring Organisation
Infoplus Technologies UK Limited
Location
Sheffield, England, United Kingdom
technologies, and hypervisors. Familiarity with container orchestration solutions such as OpenShift is essential, including the deployment, scaling, and management of containerised applications in both development and production settings. • Comprehensive Networking Knowledge - Solid understanding of networking fundamentals and their interaction with operating systems. This includes expertise in TCP/… protocols, port allocation and management, firewall configuration, and network security best practices, ensuring robust and secure connectivity across all layers of the infrastructure. • API Development and Integration Skills - Practical experience with Mulesoft and Postman for API development, testing, and lifecycle management. Capable of designing, implementing ...

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
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. This role is ideal for developers with strong technical expertise who are looking … portals using ASP.NET MVC/.NET Core Design and integrate REST APIs with internal and third-party services Implement secure authentication mechanisms (JWT, OAuth2, API Keys) Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database ...

Software Development Lead

Hiring Organisation
Adler & Allan Ltd
Location
Lancashire, North West, United Kingdom
Employment Type
Permanent
water-quality monitoring equipment used by water utilities and industrial customers to prevent flooding, reduce pollution, and improve environmental compliance Job Description Software Development Lead Hybrid with Travel to Nelson Permanent, full-time Competitive salary, Bonus plus benefits We are seeking an experiencedSoftware Development Lead with deep expertise … systems, cloud-native development on AWS, data ingestion pipelines, and API development. You will design and build the backend services that support our connected IoT devices-managing secure device communication, high-volume data ingress, and the APIs that power our applications and customer experiences. This role is ideal ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, North 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. ...

Senior AI Engineer

Hiring Organisation
Harnham
Location
Sheffield, England, United Kingdom
engineering with clear documentation and stakeholder collaboration. Your Skills and Experience To be successful, you will bring: • Strong Python skills for backend services, SDKs, API development, authentication and testing. • Hands‐on experience working with LLMs, embeddings, prompt engineering, tool calling and RAG design. • Practical knowledge of GCP services ...

Back End Developer

Hiring Organisation
ICOPIFY
Location
Liverpool, England, United Kingdom
available Role Overview We are seeking an experienced Back-End Developer with strong Laravel and PHP expertise to play a key role in the development and scaling of our marketplace platform. You will be responsible for designing and building robust, secure, and high-performance backend systems that support core … marketplace functionality and evolving business requirements. Key ResponsibilitiesSystem Architecture & Development Design and implement scalable, maintainable backend architecture Apply SOLID principles, clean code practices, and clear separation of concerns Develop modular components using service-layer and repository patterns Core Platform Features User authentication and role-based authorisation (Sanctum/Passport ...

Laravel Developer

Hiring Organisation
Proactive Appointments
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
VueJS framework and its ecosystem is highly desirable Competent with Git for source control. Understanding of MySQL, HTML, CSS, JavaScript Agile Methodologies Any RESTful API development useful Excellent Communication skills If this could be your next career move within an expanding employee-centric company, please drop across your ...

Senior Lead Analyst - Data Science - Machine Learning & Gen AI - UK

Hiring Organisation
Infosys
Location
Chester, England, United Kingdom
seeking a Senior AI/ML & Generative AI Engineer with deep expertise in designing, developing, and deploying advanced AI solutions. 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 … Markets. Your Role 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 ...

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 ...