126 to 150 of 151 API Design Jobs in the UK

Android apps and SDKs. The Role: This is a hands‐on role where you will: · Lead the technical direction for our Android solutions · Design and implement complex features, working with Kotlin, Java and C NDK to build reliable, high‐performance components · Stay ahead of Android OS & Google Play changes … lead our response to them · Collaborate with product, data, and client teams to deliver robust solutions · Mentor other engineers, run design and code reviews, and champion best practices · Leverage and be open to AI-coding tools to increase productivity, reduce boilerplate and enhance code quality Our offices ...

digital content platform, shaping cloud infrastructure, data models, integrations, APIs and security across the solution. You'll work closely with the platform provider to design and govern a scalable architecture built on modern cloud services such as AWS, Azure or GCP, ensuring reliability, performance and compliance. A key responsibility … schemas and metadata structures, partnering with Solutions Architects to ensure all onboarding aligns with industry best practices. You'll champion best-practice patterns across API design, integration layers, authentication, data pipelines and cloud-native services, with hands-on involvement in troubleshooting and implementation support. The role also produces ...

customer experience Change Delivery & Product Development Lead regulatory and scheme-driven change initiatives (e.g., ISO 20022 migration, fraud initiatives) Define backend requirements, support API design, and evolve transaction processing infrastructure Maintain vendor and scheme relationships to ensure SLAs are met and performance is optimised What We’re Looking … knowledge of UK payment systems (FPS, Bacs, COP) and regulations (PSD2, PSR, FCA, PRA, Bank of England) Comfortable writing requirements for backend teams, designing API specs, and understanding messaging flows, reconciliation, and reporting. Strong SQL skills are required, with the ability to write complex queries for data analysis, troubleshooting ...

Doing Collaborate with engineers, product managers, and customers to understand emerging use cases Translate those use cases into reusable, configurable platform components Design scalable data models, workflows, and abstractions that support high variability Build and extend generative AI-enabled workflows as part of the core product Develop and maintain … Comfortable operating in a fast-moving startup environment Nice to Have Experience with modern data platforms (e.g. Foundry, Databricks, Snowflake, dbt, Airflow) TypeScript experience API design and backend product development exposure Familiarity with enterprise systems (ERP, CRM, etc.) Exposure to generative AI systems or AI-enabled workflows What ...

/Junior Full Stack Developer to join their team on a permanent basis. This role focuses on building and optimising JavaScript applications with strong API design and architecture. If you’re passionate about technology and continuous learning, the organisation can offer excellent career growth, competitive compensation, and great ...

time-series/biosignal processing (ECG experience highly advantageous) Applied ML/AI (classification, scoring, pattern detection) Cloud infrastructure (AWS, GCP, or Azure) API design and system architecture Experience working with complex, imperfect datasets Experience in health-tech, sports-tech, or regulated environments is a plus ...

Seed to Series A) Hands-on expertise with OpenAI integrations or other LLM-based solutions Technical experience with Node.js, Python, and SQL Experience with API design and development for both internal and external use cases Knowledge of ISO/compliance Experience designing and scaling data pipelines and working ...

monitoring solutions to improve visibility, reliability and overall platform performance Skills & Experience Required: Experience with cloud-native software development, including cloud infrastructure and API design (Azure preferred) Willingness to apply security and engineering expertise across multiple platforms, such as Azure and SaaS solutions Proven experience working with modern ...

commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps … practices Experience in building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with AWS platform. Excellent communication skills, capable of motivating and aligning technical teams. Experience with AI tools, APIs, or ML pipelines is highly desirable. Bonus: Exposure ...

lead the technical strategy to embed AI-driven orchestration across their software portfolio. This is a hands-on senior leadership role: you will design the platform, own non-functional requirements (reliability, security, scalability, compliance), drive adoption internally and externally, and build a small, high-performing global team that moves … start-up mentality. What you’ll do Define and deliver the Core AI Services platform (orchestration, APIs, SDKs, integration toolkits). Lead the design and delivery of AI-driven orchestration layers across the software portfolio. Own platform non-functional attributes: security, reliability, availability, compliance, and global scale. Lower barriers ...

role in designing, assuring and evolving secure technology solutions across the enterprise. This is a senior technical role where security is embedded by design and by default, enabling innovation while protecting confidentiality, integrity and availability of information assets. About The Security Architect Role: As Security Architect, you will … regulatory requirements into practical, scalable security architectures across systems, platforms and integrations. Key Responsibilities: Define, maintain and evolve security architecture principles, standards and patterns Design and assure security controls for new and existing systems, platforms and integrations Conduct security architecture reviews, risk assessments and threat modelling Provide pragmatic guidance ...

Salesforce MuleSoft Developer (Hybrid Role) Were looking for an experienced Salesforce MuleSoft Developer to design, build, and maintain integrations between Salesforce and external systems. Youll work closely with cross-functional teams to deliver scalable, high-performance integration solutions aligned with business needs. What youll do: Design, develop, test … 3+ years Salesforce experience Strong background in software development and OOP Hands-on MuleSoft & Salesforce integration experience MuleSoft certification(s) Solid understanding of API design and integration best practices Bachelors degree in Computer Science, Engineering, or related field Salesforce ecosystem experience is a strong plus. ...

TypeScript will be valuable for occasional UI enhancements and bridging front-end requirements. Collaboration with cross-functional teams to implement best practices in API design, security, and performance tuning will be central to success. Additionally, you'll contribute to code reviews, documentation, and continuous improvement initiatives to maintain ...

apps and SDKs. The Role: This is a hands‐on role where you will: · Lead the technical direction for our iOS solutions · Design and implement complex features, working with Swift, Objective-C and C++ to build reliable, high‐performance components · Stay ahead of iOS changes and lead our response … them · Collaborate with product, data, and client teams to deliver robust solutions · Mentor other engineers, run design and code reviews, and champion best practices · Leverage and be open to AI-coding tools to increase productivity, reduce boilerplate and enhance code quality Our offices are in Trafford Park, Manchester ...

apps and SDKs. The Role: This is a hands‐on role where you will: · Lead the technical direction for our iOS solutions · Design and implement complex features, working with Swift, Objective-C and C++ to build reliable, high‐performance components · Stay ahead of iOS changes and lead our response … them · Collaborate with product, data, and client teams to deliver robust solutions · Mentor other engineers, run design and code reviews, and champion best practices · Leverage and be open to AI-coding tools to increase productivity, reduce boilerplate and enhance code quality Our offices are in Trafford Park, Manchester ...

stability, correctness and long-term maintainability really matter. Day to day, you will: Own the architecture and technical direction of iOS apps and SDKs Design and build complex features using Swift, with some Objective-C and C++ Tackle challenges around networking, performance, stability and edge cases Stay ahead … Apple platform changes, shaping how the team responds Support SDK integrations and help resolve tricky production issues Run design and code reviews, and help raise engineering standards Make pragmatic use of modern tooling, including AI-assisted development tools, to improve quality and reduce busywork Who this role suits This ...

Solutions Architect (Integration API Design) St Albans (Hybrid) Compensation: £95,000 +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical … design of mission-critical platforms and services click apply for full job details ...

skilled and experienced Senior MuleSoft Consultant to join our growing team. The successful candidate will be responsible for leading MuleSoft projects responsible for the design, development and integration solutions that connect Salesforce with enterprise systems, cloud applications and data services. Why Alscient We are experts in digital transformation … providing solution input when required and able to lead on a variety of customer engagements. Key Responsibilities Include: Lead the end-to-end design and delivery of MuleSoft APIs, integrations, event-driven flows, and orchestration layers, ensuring performance, scalability, error handling and monitoring. Architect robust integration solutions connecting Salesforce ...

large-scale software platform. Working across multiple teams to ensure alignment and scalability throughout the business. Set technical direction and contribute to key design decisions across teams. Lead by example, writing high-quality, maintainable code in Node.js and TypeScript. Design and optimise CI/CD pipelines, improving automation … robust services. Mentor and coach engineers, helping to raise the overall bar for backend development. Drive best practices in platform engineering, cloud infrastructure, and API design. Key requirements: 5+ years' experience in backend or platform engineering roles, with recent experience at senior Level. Deep hands-on expertise with Node.js ...

large-scale software platform. Working across multiple teams to ensure alignment and scalability throughout the business. Set technical direction and contribute to key design decisions across teams. Lead by example, writing high-quality, maintainable code in Node.js and TypeScript. Design and optimise CI/CD pipelines, improving automation … robust services. Mentor and coach engineers, helping to raise the overall bar for backend development. Drive best practices in platform engineering, cloud infrastructure, and API design. Key requirements: 5+ years' experience in backend or platform engineering roles, with recent experience at senior Level. Deep hands-on expertise with Node.js ...

large-scale software platform. Working across multiple teams to ensure alignment and scalability throughout the business. Set technical direction and contribute to key design decisions across teams. Lead by example, writing high-quality, maintainable code in Node.js and TypeScript. Design and optimise CI/CD pipelines, improving automation … robust services. Mentor and coach engineers, helping to raise the overall bar for backend development. Drive best practices in platform engineering, cloud infrastructure, and API design. Key requirements: 5+ years' experience in backend or platform engineering roles, with recent experience at senior Level. Deep hands-on expertise with Node.js ...

looking for a Staff Kotlin Engineer to provide technical leadership and drive the development of our next-generation platforms. Key Responsibilities Lead the design and implementation of scalable, high-performance software solutions using Java and Kotlin. Provide technical direction and mentorship to a team of engineers. Drive architectural decisions … Master s degree in Computer Science, Engineering, or a related field. Extensive experience in backend development using Java and Kotlin. Deep understanding of software design patterns, data structures, and algorithms. Proven experience in system architecture and designing distributed systems. Familiarity with cloud platforms (e.g., AWS, GCP, Azure) and containerization ...

looking for a Staff Kotlin Engineer to provide technical leadership and drive the development of our next-generation platforms. Key Responsibilities Lead the design and implementation of scalable, high-performance software solutions using Java and Kotlin. Provide technical direction and mentorship to a team of engineers. Drive architectural decisions … Master’s degree in Computer Science, Engineering, or a related field. Extensive experience in backend development using Java and Kotlin. Deep understanding of software design patterns, data structures, and algorithms. Proven experience in system architecture and designing distributed systems. Familiarity with cloud platforms (e.g., AWS, GCP, Azure) and containerization ...

next generation of a major digital platform. What you'll do: Lead software projects from concept through to delivery, taking ownership of key initiatives. Design scalable, high-performance architectures that keep critical systems running smoothly. Mentor and support developers, helping the team grow technically and professionally. Collaborate with stakeholders … preferred ). Solid understanding of back-end services, data flows, and system integration. Nice to have: Familiarity with cloud platforms, complex data pipelines, or API design. Why join? Competitive salary and benefits Flexible hours and hybrid working Collaborative culture where your ideas make a real impact ...

next generation of a major digital platform. What you'll do: Lead software projects from concept through to delivery, taking ownership of key initiatives. Design scalable, high-performance architectures that keep critical systems running smoothly. Mentor and support developers, helping the team grow technically and professionally. Collaborate with stakeholders … preferred ). Solid understanding of back-end services, data flows, and system integration. Nice to have: Familiarity with cloud platforms, complex data pipelines, or API design. Why join? Competitive salary and benefits Flexible hours and hybrid working Collaborative culture where your ideas make a real impact ...