1 to 25 of 84 API Design Jobs

Integration Architect

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
within our DNA. Invest in us andwellinvest in you!. Job Description We are looking for an experienced Integration Solutions Architect to lead the design, governance and modernisation of enterprise integration solutions across cloud-native, legacy and external partner environments. The role will have a strong focus on Microsoft … Azure and Azure API Management (APIM) , designing secure, scalable and resilient integration architectures. You will work closely with engineering, platform, DevOps and architecture teams to establish API standards, integration patterns, automated deployment approaches and secure connectivity across Azure environments. Key Responsibilities Lead the end-to-end architecture ...

Solutions Architect (Software Implementation)

Hiring Organisation
Project44
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
Overview In this role you will guide post-contract integrations for customers, turning business needs into scalable technical architectures. You'll lead API-focused design, own implementation documents, and serve as the technical point of contact throughout the lifecycle. Collaborating with engineering, product, and support, you'll ensure … successful go-lives and high customer satisfaction. The position sits within the Customer Experience team, offering visible impact across platforms and processes. Verantwoordelijkheden Lead API solution design for customer implementations Create and own Implementation Design Documents (IDDs) covering architecture, API flows, data mappings, dependencies, assumptions ...

Senior Business Systems Analyst - Hybrid

Hiring Organisation
Genesis10
Location
Saint Paul, Minnesota, United States
Employment Type
Permanent
Salary
USD Hourly
qualifications Position Overview: This individual will partner closely with Product Owners, application teams, and Solution Architects to translate business needs into functional and technical API specifications. The ideal candidate brings strong healthcare experience, hands-on knowledge of modern API architecture, and specific experience with FHIR standards. This role … critical in bridging the communication between business and technical teams on API-focused initiatives. Key Responsibilities: Gather, analyze, document, and manage API business and technical requirements from Product Owners, application teams, and other stakeholders Partner with Solution Architects and engineering teams to deliver secure, scalable API solutions ...

iOS Lead Engineer

Hiring Organisation
Vinted
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
Overview In this Lead iOS Engineer role, you guide the technical direction of Vinted's design system, focusing on reusable UI, scalable architecture, and AI-ready patterns. You own the iOS component library, drive modularity and long-term platform health, and collaborate across disciplines to ship consistent experiences. … paid annual leave Newest MacBook models EAP and mental health support team-building events home office budget for furniture Verantwoordelijkheden Own architecture and design decisions for the shared iOS component library and design-system tooling Push components toward greater composability and flexibility for broader screen coverage Make ...

Senior Backend Engineer (Java)

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
Location: Manchester, UK (Hybrid - 2 days/week on-site) Role Type: Contract About the Role We are seeking a Senior Backend Engineer to design, build, and scale resilient, high-performance distributed systems. This role is ideal for a pragmatic developer who thrives in fast-paced Agile environments, excels … work cross-functionally with product managers, frontend engineers, and platform teams while elevating code quality and mentoring fellow engineers. Core Responsibilities Architecture & API Design: Build and maintain scalable, fault-tolerant backend microservices and REST APIs. Technical Leadership: Lead medium-to-large engineering initiatives, participate in design reviews ...

Senior Platform Engineer

Hiring Organisation
WTW
Location
Reigate, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
technical input, guidance and leadership to the team (including code quality, best practices, processes, some aspects of release management, etc.). Assist in the design and documenting of solutions meeting functional and non-functional requirements. Lead by example getting directly involved in the day-to-day delivery of work … control plane engineering Practical experience designing and developing management and controlplane capabilities for line of business or SaaS applications, including stack/environment management, API design for platform services, and developer/operator UX. Experience working with or designing Azure stamp-based or scale-unit architectures, including multi ...

Integration Lead

Hiring Organisation
StepChange Debt Charity
Location
Leeds, UK
connectivity? You could be just the right applicant for this job Read all associated information and make sure to apply. Want to lead the design and delivery of scalable, secure, cloud-first integrations that power real business impact? Excited by the challenge of modernising legacy systems while driving best … architecture evolution and collaborate across teams to enable seamless, future-ready connectivity. What will you be doing? As a technical authority in integration and API design, you'll set the standards that shape how our systems connect—defining integration patterns, ensuring architectural consistency and driving secure, scalable solutions ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum
integration layer behind a new generation of AI-powered products. This is a genuinely full-stack engineering role, combining production-grade backend development, API design, AI integrations and frontend engineering. You'll work across the full application lifecycle, designing the services and interfaces that connect AI capabilities … products customers and colleagues use every day. You'll play a key role in building MCP integrations, agent-to-agent connectivity and robust API services, while also developing responsive, accessible interfaces in React and TypeScript. What you'll be doing Own the application and integration layer of AI products ...

Staff Product Manager, GTPN

Hiring Organisation
Airwallex
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
Overview As Staff Product Manager for GTPN, you drive strategy, roadmap, and execution for our customer-facing API platform. You work with engineering, sales, and leadership to deliver scalable, secure APIs that enable global treasury and payments experiences. This high-impact role shapes the future of our API … driven financial infrastructure and requires cross-functional collaboration and data-driven decision making. You will mentor peers and stay ahead of payments and API trends, with a clear impact on customers and partners. Based in San Francisco, you'll join a fast-paced, collaborative team building solutions at scale. ...

Solution Architect

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£540 - £560/day (Outside IR35)
strong software engineering background who can turn complex requirements into clear designs and practical development tasks. Working alongside established delivery squads, you will design and assure technical solutions, resolve complex integration challenges and translate architecture into actionable engineering work and shape solutions across interconnected platforms and external services. Your … work will span API design, systems integration, platform enhancements and technical migrations, taking solutions from initial design through assurance and into implementation. Skills and Experience: Proven Solution Architecture experience combined with a strong software engineering background. Expertise in API design, system integration and cloud-based ...

Java Backend Developer

Hiring Organisation
Monks
Location
Hilversum, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
world outcomes. Verantwoordelijkheden Develop and maintain high-performance Java server-side logic Collaborate with frontend developers to integrate client-facing features with backend services Design and implement APIs and RESTful services Set up, maintain, and optimize databases Improve performance, scalability, and security Identify and fix bugs and performance bottlenecks … best practices Participate in code reviews and uphold coding standards Collaborate with QA, DevOps, and Product Management to deliver robust applications Maintain technical and API documentation Belangrijkste vereisten Dutch citizenship and fluency in Dutch Bachelor's degree in Computer Science or Information Technology (or equivalent experience) Proven Java development ...

Applied Value Engineer

Hiring Organisation
Celonis
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
value engineering experience (2+ years) Domain knowledge in core business processes and industries (e.g., supply chain, finance) Software/Data Engineering skills: Python, API design, SQL, data integration, ML/AI libraries Experience with agentic AI systems, LLM orchestration, RAG, tool use, prompt engineering Production ML/LLMOps … English; Dutch preferred but not essential Master's Degree in relevant fields or equivalent work experience Executive communication Cross-functional collaboration Strategic storytelling Python API design ...

Lead Engineer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
work across distributed teams to deliver secure, scalable services in a demanding financial services environment. You'll lead the delivery lifecycle from technical design and implementation through testing, integration and release, ensuring applications meet agreed standards for quality, security, performance and reliability. You'll also collaborate with architecture, product … engineering teams to resolve technical challenges and keep delivery on track. Key Skills: Strong hands-on Java 8+, Spring and Spring Boot development REST API design and microservices architecture Kafka and event-driven integration patterns Google Cloud Platform (GCP) and cloud-based deployment Docker, Helm and Kubernetes ...

Lead Engineer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
mid lothian, central scotland, united kingdom
work across distributed teams to deliver secure, scalable services in a demanding financial services environment. You'll lead the delivery lifecycle from technical design and implementation through testing, integration and release, ensuring applications meet agreed standards for quality, security, performance and reliability. You'll also collaborate with architecture, product … engineering teams to resolve technical challenges and keep delivery on track. Key Skills: Strong hands-on Java 8+, Spring and Spring Boot development REST API design and microservices architecture Kafka and event-driven integration patterns Google Cloud Platform (GCP) and cloud-based deployment Docker, Helm and Kubernetes ...

Full Stack Developer - Intermediate

Hiring Organisation
Pinnacle Technical Resources
Location
Plano, Texas, United States
Employment Type
Permanent
Salary
USD 125 Hourly
stack development, a strong understanding of Agile methodologies, and expertise in modern programming languages and frameworks. This role requires a proactive individual who can design, develop, test, deploy, and maintain software solutions while ensuring high performance, scalability, and security. Responsibilities: Develop and maintain full-stack applications using Java, Spring … Framework/Spring Boot, JavaScript/TypeScript, ReactJS, and Next.js. Design and implement microservices and RESTful APIs with a focus on secure API practices. Work with both SQL and NoSQL databases, including data modeling, query optimization, and performance tuning. Implement CI/CD pipelines using tools like Jenkins ...

Senior Python Developer

Hiring Organisation
Tech 4
Location
City of London, London, United Kingdom
Employment Type
Permanent
play a key part in driving the adoption of AI across engineering, leveraging emerging technologies and embedding AI-native workflows to improve how they design, build, and deliver software. This role is predominantly hands-on, with around 2030% of time on technical leadership: architecture, mentoring, and shaping … generated code to our standards for security, reliability, and cost-efficiency (FinOps). These are first-class concerns in agentic pipelines, not afterthoughts. Design, build, and operate software across our platform, applying the same rigour to AI-augmented work as to anything else you ship. Embed deeply with Product ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Knutsford, Cheshire, North West, United Kingdom
Employment Type
Permanent
enterprise adoption. Contributing to event standards, patterns, and best practices, enabling teams across the organisation to build confidently on the platform. Making considered design choices that balance scalability, resilience, security, and developer experience. Close collaboration with product, architecture, and engineering teams to align platform capabilities with business and regulatory … infrastructure as code, and deployment pipelines. Hands-on experience working with cloud technologies such as AWS, Terraform, CI/CD tooling, and Kubernetes to design, build, and deploy reliable, cloud-native applications. Working knowledge of other cloud platforms, such as Azure and GCP. Some other highly valued skills ...

Senior Software Architect - C#/.NET & Distributed Systems

Hiring Organisation
Computer Futures
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 100,000 Annual
market-leading Warehouse Control System platform. This position will suit a hands-on architect who enjoys working across the full software lifecycle, from solution design and architecture through to technical leadership, customer engagement and delivery. You'll help shape the future direction of a highly scalable warehouse automation platform … scalable and capable of supporting increasingly sophisticated automation technologies. Key Responsibilities Own and define application, integration, deployment and data architecture across the WCS platform. Design scalable, resilient and maintainable software solutions using modern Microsoft technologies. Collaborate with engineering teams to establish architectural standards, development frameworks and technical governance. Lead ...

Chief Technology Officer

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
lead the next phase of our technology transformation journey to create great products and services for the organisation. Main Responsibilities Responsible for the overall design and solution architectureinvolvinglargedata. Lead and maintain key design decisions and existing solution architecture documents. Demonstrate a Product delivery mindset, and drive capabilities … existing eCommerce and data infrastructure for scalability and expansion. Skills: Detailed knowledge and previous experience with AI and Claude. Strong understanding of architecture, discovery, design and delivery of Enterprise, Cloud and Security technologies, preferably in a Microsoft technology stack. C# .NET Core, REST API Design and Development ...

Integration Developer - Technical Lead

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
data services, and cloud platforms. You will own end-to-end integration architecture, champion modern engineering standards, and guide engineers through best practices in API design, cloud-native development, and scalable integration patterns. This is a hands-on leadership role, ideal for someone who enjoys coding, problem-solving … steering technical direction while mentoring engineers and collaborating with product, data, and platform teams. What You'll Be Doing Lead the design, development, and delivery of integration solutions across a diverse technology ecosystem Develop secure, scalable APIs, services, and messaging-based integrations Champion best practices in engineering, DevOps, automation ...

Blockchain Engineer

Hiring Organisation
Ubique Systems UK Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Minimum Qualifications 5+ years of experience in software engineering, solution design, or architecture roles Strong stakeholder management experience across business and technology domains Strong analytical and problem-solving capabilities Experience working in Agile organizations Bachelor's degree in Computer Engineering, Software Engineering, or a related discipline Fluent English communication … messaging technologies SQL and NoSQL databases Containerization (Docker) Kubernetes CI/CD pipelines Git-based development workflows Good understanding of: Distributed systems System integration API design Scalability patterns Roles and Responsibilities Backend Engineering Design and develop enterprise-grade Back End services using Java. Build APIs and microservices ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

Solution Architect

Hiring Organisation
Yorkshire Water
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
that drive business transformation. Working closely with stakeholders, engineering teams and platform specialists, you'll translate complex business needs into innovative technical solutions, championing API-led and event-driven architecture principles. You'll also help drive the adoption of emerging AI capabilities, ensuring AI-powered solutions are implemented … will: Partner with business stakeholders, solution architects and delivery teams to understand business needs and translate them into innovative, future-ready solution designs. Design, shape and govern scalable, secure and highly available solutions using Microsoft Azure technologies, ensuring they meet both current and future business demands. Drive the adoption ...

Solution Architect

Location
Middleton, Lancashire, United Kingdom
that drive business transformation. Working closely with stakeholders, engineering teams and platform specialists, you'll translate complex business needs into innovative technical solutions, championing API-led and event-driven architecture principles. You'll also help drive the adoption of emerging AI capabilities, ensuring AI-powered solutions are implemented … will: Partner with business stakeholders, solution architects and delivery teams to understand business needs and translate them into innovative, future-ready solution designs. Design, shape and govern scalable, secure and highly available solutions using Microsoft Azure technologies, ensuring they meet both current and future business demands. Drive the adoption ...