1 to 25 of 260 API Design Jobs

Lead Business Analyst / Product Owner (DevOps)

Hiring Organisation
AMS CWS
Location
United Kingdom
Employment Type
Contract, Work From Home
friendliness to everything they do. The Role & Responsibilities: We are looking for a highly skilled Lead Business Analyst/Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands … business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. Responsibilties: Define and own the API product backlog , aligning with business objectives and technology strategy. Prioritize features and enhancements based on business value, feasibility, and stakeholder input . Act as the voice ...

Mobile Backend Developer (JAVA/Kotlin)

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Promote and practice best development approaches such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD) to deliver high-quality, maintainable code. Apply design patterns to address complex problems, ensuring code is efficient, readable, and reusable. Adhere to IT and Information Security policies and procedures in all engineering … Your Profile Essential Skills/Knowledge/Experience: Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design Understanding of API design for mobile application with event driven architecture Strong analysis and problem-solving skills Knowledge ...

Technical Architect

Hiring Organisation
IPS Group
Location
London, United Kingdom
Employment Type
Permanent
designed to enable long-term career progression. Role Summary Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. The role will take technical ownership of the organisations enterprise technology landscape. This is a pivotal position within … wide integration strategy, including the governance of integration patterns (such as synchronous APIs, event-driven architecture, asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams ...

Technical Architect

Hiring Organisation
IPS Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
designed to enable long-term career progression. Role Summary Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. The role will take technical ownership of the organisation’s enterprise technology landscape.This is a pivotal position within … wide integration strategy, including the governance of integration patterns (such as synchronous APIs, event-driven architecture, asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams ...

Mulesoft Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £520/day
Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing … stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: Integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such ...

Backend Developer / Engineer (Python, Django, Terraform)

Hiring Organisation
Intone Networks
Location
New York, United States
Employment Type
Any
Salary
USD Annual
applications, ensuring they are scalable, efficient, and reliable. The ideal candidate will be proficient in all stages of the software development lifecycle, from system design to deployment and maintenance. Key Responsibilities Backend Development: Design, build, and maintain robust, high-performance backend services and APIs using Python … Infrastructure Management: Use Terraform to provision and manage cloud infrastructure, ensuring our backend services are deployed in a scalable and reliable environment. Database Management: Design, optimize, and interact with relational and/or NoSQL databases to support application functionality. API Design: Develop and document clean, well-structured ...

Data Analyst

Hiring Organisation
Computappoint
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external … platforms. Key Responsibilities Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business ...

Senior API Technical Consultant (GraphQL Specialist)

Hiring Organisation
Staffworx Limited
Location
Slough, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
market rates, outside IR35, 2 days on site
Senior API Technical Consultant (GraphQL Specialist) Design and build next generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental … evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables Design and build sophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. Lead the design and evolution of our API schemas ...

Senior Platform Engineer

Hiring Organisation
Adroit People Ltd
Location
Halifax, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
Up to £470 per day
lead the next wave of cloud innovation? Join our Cloud Native Engineering Lab as a Senior Cloud Platform Engineer (GCP) and help us design, build, and operate secure, automated cloud platforms that empower product teams to deliver API-first services at pace and with confidence. Responsibilities Engineering Leadership … hands-on leader, balancing deep technical work with mentoring and coaching to raise the bar on reliability, security, and simplicity. Platform Development: Design, build, and operate Google Cloud Platform (GCP) capabilities using Infrastructure-as-Code (Terraform) and modern CI/CD tools (GitHub Actions, Jenkins, Harness, Spinnaker). Security ...

Software Developer

Hiring Organisation
Erin Associates
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£55,000
SoftwareDeveloper(API Development/Backend Node.js, C#, Fullstack) Birmingham, West Midlands (Hybrid 1 day onsite a week) 55k + Benefits Were partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. Theyre looking for a Software Engineer with strong API and backend development … power enterprise software products. Youll work primarily with Node.js and C#, collaborating with cross-functional teams to deliver well-architected, maintainable solutions. Key Responsibilities Design, build, and maintain RESTful APIs and backend systems. Develop high-quality, scalable code using Node.js and C#. Collaborate with product and engineering teams ...

Software Engineer

Hiring Organisation
Prorec Solution Ltd
Location
Manchester, UK
Employment Type
Full-time
team. What you'll be working on Backend development: Build and maintain robust server‐side applications and core payment flows using Node.js/TypeScript. API development: Design and optimise high‐performing APIs that integrate with multiple payment gateways and third‐party services. Data layer: Help design … ensure reliability and security. Scalability & performance: Contribute to scalable, resilient backend infrastructure that can handle high transaction volumes. Collaboration: Work closely with product, design and other engineers, and occasionally support frontend teams with UX‐aware integration. Support & troubleshooting: Help diagnose and resolve production issues quickly, protecting uptime and customer ...

Software Engineer

Hiring Organisation
Prorec Solution Ltd
Location
Warrington, Cheshire, UK
Employment Type
Full-time
team. What you'll be working on Backend development: Build and maintain robust server‐side applications and core payment flows using Node.js/TypeScript. API development: Design and optimise high‐performing APIs that integrate with multiple payment gateways and third‐party services. Data layer: Help design … ensure reliability and security. Scalability & performance: Contribute to scalable, resilient backend infrastructure that can handle high transaction volumes. Collaboration: Work closely with product, design and other engineers, and occasionally support frontend teams with UX‐aware integration. Support & troubleshooting: Help diagnose and resolve production issues quickly, protecting uptime and customer ...

Software Engineer

Hiring Organisation
Prorec Solution Ltd
Location
Bolton, Greater Manchester, UK
Employment Type
Full-time
team. What you'll be working on Backend development: Build and maintain robust server‐side applications and core payment flows using Node.js/TypeScript. API development: Design and optimise high‐performing APIs that integrate with multiple payment gateways and third‐party services. Data layer: Help design … ensure reliability and security. Scalability & performance: Contribute to scalable, resilient backend infrastructure that can handle high transaction volumes. Collaboration: Work closely with product, design and other engineers, and occasionally support frontend teams with UX‐aware integration. Support & troubleshooting: Help diagnose and resolve production issues quickly, protecting uptime and customer ...

Application Solution Architect

Hiring Organisation
McGregor Boyall Associates Limited
Location
Chester, Cheshire, North West, United Kingdom
Employment Type
Contract
interfaces, and define non-functional requirements. Ensure solutions are fit for purpose by collaborating with stakeholders and vendors, while assessing the impact of strategic design decisions. Work closely with both business and technology teams to shape the solution intent and architectural vision. Rapidly develop high-level architecture, refining details … prioritise technology-focused backlog items for the architecture runway. Provide clarity to development teams on architectural aspects, offering solution options to overcome impediments. Conduct design reviews to confirm all non-functional requirements are met (e.g., security, performance, scalability, usability, reliability). Operate as an individual contributor. Required Skills ...

Back End Developer

Hiring Organisation
WhiteSpace Solutions
Location
Den Haag, Zuid-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
underpins high-impact optimisation across Oil & Gas, renewable energy, FMCG, and healthcare. With a growing team of 30+ professionals, we unite algorithmic power, intuitive design, and software delivery excellence with deep domain knowledge - delivering results that matter. As we enter our next phase of growth, we are embedding intelligence … features: take prototypes and ship reliable, scalable services that other teams can reuse. What you'll do Ship production services: take a Python prototype design an API (FastAPI) deploy to GKE ensure reliability with logs, metrics, and dashboards. Standardize : create templates and CI/CD pipelines (GitHub Actions ...

QA Automation Engineer

Hiring Organisation
Biogensys
Location
Plano, Texas, United States
Employment Type
Any
Salary
USD Annual
ecosystem. This role requires hands-on expertise in testing service contracts, Level 2/Level 3 APIs, and the ability to apply Domain-Driven Design (DDD) principles within the testing strategy. You will collaborate with product managers, architects, and developers to ensure our microservices are reliable, scalable, and meet … both functional and non-functional requirements. Key Responsibilities: Automation Framework Development Design, develop, and maintain comprehensive test automation frameworks for microservices, focusing on integration, contract, and end-to-end testing. Ensure tests are reliable, repeatable, and easily maintainable across multiple services and deployment pipelines. API and Service Contract ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
London, UK
Employment Type
Full-time
seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical … build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic connector layer to consume RESTful APIs from a heterogeneous global landscape of telco partners and IMS vendors ...

Manager, Engineering

Hiring Organisation
Anaplan
Location
Manchester, UK
Employment Type
Full-time
reviews, testing standards, and deployment processes Build, mentor, and grow high-performing engineering teams through coaching and career development Collaborate with product management and design teams to translate business requirements into technical solutions Oversee the full software development lifecycle from planning to deployment and maintenance Establish and monitor engineering … services Demonstrated success in building and managing high-performance engineering teams of 5+ developers Strong understanding of software architecture patterns and microservices design Experience with DevOps practices, including CI/CD pipelines, containerization, and infrastructure as code Excellent technical problem-solving and system design skills Strong leadership abilities ...

Manager, Engineering

Hiring Organisation
Anaplan
Location
Warrington, Cheshire, UK
Employment Type
Full-time
reviews, testing standards, and deployment processes Build, mentor, and grow high-performing engineering teams through coaching and career development Collaborate with product management and design teams to translate business requirements into technical solutions Oversee the full software development lifecycle from planning to deployment and maintenance Establish and monitor engineering … services Demonstrated success in building and managing high-performance engineering teams of 5+ developers Strong understanding of software architecture patterns and microservices design Experience with DevOps practices, including CI/CD pipelines, containerization, and infrastructure as code Excellent technical problem-solving and system design skills Strong leadership abilities ...

Manager, Engineering

Hiring Organisation
Anaplan
Location
Bolton, Greater Manchester, UK
Employment Type
Full-time
reviews, testing standards, and deployment processes Build, mentor, and grow high-performing engineering teams through coaching and career development Collaborate with product management and design teams to translate business requirements into technical solutions Oversee the full software development lifecycle from planning to deployment and maintenance Establish and monitor engineering … services Demonstrated success in building and managing high-performance engineering teams of 5+ developers Strong understanding of software architecture patterns and microservices design Experience with DevOps practices, including CI/CD pipelines, containerization, and infrastructure as code Excellent technical problem-solving and system design skills Strong leadership abilities ...

Medior Software Engineer

Hiring Organisation
Parent TEST TJ Company 1
Location
Enniskillen, County Fermanagh, Northern Ireland, United Kingdom
Employment Type
Permanent
Join a global tech innovator driving digital transformation in the legal industry. This is your opportunity to design and build cutting-edge cloud-native solutions that power seamless integrations worldwide. Key Responsibilities: Develop and enhance scalable, resilient microservices in a cloud-native environment Design and implement reusable, stable … standards Drive innovation by contributing new ideas and approaches to software design. Key Requirements: Proven experience with C#, .NET, and .NET Core (Microservices, Web API, MVC, SQL Server) Proven experience in CI/CD, Unit Testing, and REST API design Strong knowledge of design patterns ...

Senior Java Developer (Full Stack)

Hiring Organisation
Methodius Ltd
Location
Letterkenny, Donegal, Ireland
Employment Type
Permanent
Salary
EUR Annual
maintain a highly automated Continuous Delivery pipeline. Work as part of a delivery team, collaborating with others to understand requirements, analyses and refine stories, design solutions, implement them, test them, and support them in production. Work as part of a delivery team, collaborating with others to understand requirements, analyses … refine stories, design solutions, implement them, test them, and support them in production. Help create a culture of learning and continuous improvement within your team and beyond. Design and develop ergonomic and understandable user interfaces. Work closely with users to gain feedback and ensure they ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical … build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic connector layer to consume RESTful APIs from a heterogeneous global landscape of telco partners and IMS vendors ...

Senior .NET Developer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
reliability, and agility — and we're looking for a Senior .NET Developer who shares our drive to deliver engineering excellence. What You'll Do Design and implement high-performance, scalablemicroservicesusing.NET 6+ and C# Own features end-to-end: from concept, design, architecture, to deployment in production Collaborate with … cross-functional teams on system architecture, design reviews, and best practices ChampionSOLID, clean code, anddomain-driven design (DDD),etc. Work withAzure services, CI/CD pipelines, and containerised environments (Docker, Kubernetes) Help mentor and guide developers, contributing to a culture of technical excellence What You Bring 5+ years ...

API Engineer

Hiring Organisation
Halian Technology Limited
Location
Warwick, Warwickshire, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
cloud solutions for practices and businesses. Youll work with innovative tools, a collaborative culture and meaningful career progression Role Overview: You'll design and implement the API infrastructure that enables our product, third party integrations, our users and AI services to interact with our established product portfolio. Working … architect scalable, secure APIs that handle sensitive payroll and accounting data while enabling rapid deployment of AI capabilities across our business. Key Responsibilities: Design and implement RESTful APIs that expose product capabilities to AI services and third-party integrations Build production-grade APIs using C# .NET, SQL, and Azure ...