1 to 25 of 443 API Design Jobs

Senior Manager, Mobile Engineering

Location
Greater London, England, United Kingdom
engineering execution, platform strategy, operational excellence, and talent development, ensuring teams deliver reliable, scalable, and high-quality mobile experiences. Working closely with Product, Design, Architecture, Security, Quality, and Operations partners, this leader will help shape the future of Expedia's mobile ecosystem, driving engineering best practices, modern mobile architecture … engineering teams delivering reliable, scalable native applications and shared mobile platform capabilities across multiple product domains. Set technical direction for mobile architecture, including system design, low-level design, API design, data modeling, integration patterns, and maintainable implementation practices across iOS and Android. Build and develop ...

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
believe in the imaginative application of art and science to create beautiful ideas, products and services. With an entrepreneurial and collaborative approach, we design and build adaptive digital products, services and experiences that capture the imagination and deliver impressive returns for our clients. We are looking for a senior … technical leadership, architecture and team guidance. You will lead the technical direction of complex client programmes across MACH architectures and production Generative AI; spanning Design to Code workflows, solution design and API contracts through to cloud infrastructure, deployment and ongoing operation. You will own architecture decisions, write ...

Senior Engineering Manager — Hotels.com Technology

Location
Greater London, England, United Kingdom
support to do their best work. Join us and build for travelers everywhere. Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community … loyalty, app and web experiences, and the platform capabilities underneath them. You will own technical direction and delivery for your team, drive system and API design for performance-critical, high-traffic customer-facing services, and partner closely with Product, Design, Data, Marketing, and Platform teams in small ...

Software Development Engineer III

Location
Greater London, England, United Kingdom
best out of them and we'll look to you to apply good judgement on what lands in main. In this role, you will: Design, develop, test, deploy, and maintain reliable software services and applications that deliver measurable outcomes for customers and the business. Apply software engineering principles across … development lifecycle, including low-level system design, API design, data modelling, implementation, testing, and code review. Own technical solutions within a service or defined technical area, making sound engineering decisions that balance maintainability, scalability, reliability, and delivery. Collaborate across engineering and partner teams to define requirements, resolve ...

Integration Architect

Location
Newcastle upon Tyne, England, United Kingdom
DNA. Invest in us andwe’llinvest 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 … 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 and design ...

Software Architect

Location
United Kingdom
ID26WD94957DepartmentSoftware ArchitectureJob Requisition ID #26WD94957Position OverviewAt Autodesk, we are pioneers in 3D design, engineering, and entertainment software, building tools that empower some of the most creative minds on the planet to solve real-world problems. Recognized by Fortune, Forbes, Glassdoor, and others as a top place to work … many services around it.Data is the domain, but the role is fundamentally one of cloud and services architecture — APIs, service contracts, integrations, distributed-systems design, and the connected data model that ties them together — spanning multiple teams. It is not a data-warehouse or analytics-specialist role.The AEC Data ...

Machine Learning Scientist III

Location
Greater London, England, United Kingdom
that build loyalty and traveler satisfaction. In this role, you will: Develop, evaluate, and improve machine learning models and algorithms for Content AI applications. Design and implement end-to-end machine learning solutions, including data preparation, feature engineering, model training, validation, deployment, monitoring, and continuous optimisation. Apply statistical analysis … technical direction. Collaborate with engineers, product managers, applied scientists, and domain experts to translate ambiguous business problems into scalable ML solutions. Contribute to system design, low-level design, API development, and data modelling for production machine learning systems. Build and operate production solutions using technologies such ...

Principal Architect — Identity, Data Modeling, and Platform APIs

Location
Greater London, England, United Kingdom
strategic global solutions. Leverage your advanced architecture capabilities and collaborate with colleagues across the organization to drive best‐in‐class outcomes. You will design the data and API foundations that connect identity, authority, ownership, and permission to workload deployment on IaaS platforms and hypervisors. This is a senior … individual contributor role, focused on rigorous data modeling, software and API design, and identity architectures in a large, regulated financial environment. You will define canonical models and service contracts, ensure designs meet regulatory and control requirements, and partner closely with platform, engineering, and development teams. Job responsibilities Defines ...

Microsoft Full Stack Senior Developer (Manager)

Location
Greater London, England, United Kingdom
Stack Senior Developer who combines strong hands‐on engineering expertise with end‐to‐end technical delivery leadership. You will lead engineering teams, shape solution design, make pragmatic technology decisions and remain close enough to the code to assure quality and unblock delivery. In this highly visible role, you will … strategy and solution shaping through engineering delivery, transition to live service and ongoing optimisation In our team, you will: Engineering and architecture Lead the design and hands‐on development of enterprise applications using C#, .NET, ASP.NET Core, Web APIs and modern distributed application patterns. Design responsive, accessible front ...

Software Development Engineer II - Full Stack

Location
Greater London, England, United Kingdom
every layout or content adjustment. In this role, you will: Develop React-based user interfaces and backend capabilities. Build, integrate, and contribute to API design decisions. Own features from understanding requirements through delivery, with support from teammates and product management. Collaborate with product management, backend and domain service … rollout of server-driven UI, enabling card layouts to be updated through configuration. Migrate traffic from legacy systems to the new platform. Apply API design considerations, including additional calls, traffic management, and error handling. Deliver reliable software with a rigorous development approach and a high quality bar. Experience ...

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 ...

Lead Integration Platform Architect

Location
Southampton, England, United Kingdom
us. About the Role Level:4 Department: Technology Location: London I Southampton Contract type: Permanent Quilter is establishing a new Integration Platform – a governed API and integration layer that decouples our digital, adviser and third-party consumers from our core platforms and gives us direct control over … evolution of integration platforms and capabilities in line with business and technology priorities. Ensure systems, platforms and services can connect securely, reliably and effectively. Design scalable, resilient and reusable integration solutions. Identify opportunities to simplify technology, reduce duplication and improve efficiency. Take an end-to‐end view ...

Java Backend Engineer IRC299950

Location
Glasgow, Scotland, United Kingdom
Gradle, Java, Kafka, REST APIs, Spring Boot We’re looking for an experienced Backend Engineer to design and build robust, scalable microservices. You’ll work across the full backend stack — from API design through to production‐grade integration testing — using modern Java and Spring technologies. Requirements Strong … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event‐driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain‐driven design (DDD) patterns ...

Java Backend Engineer IRC299953

Location
Glasgow, Scotland, United Kingdom
Gradle, Java, Kafka, REST APIs, Spring Boot We’re looking for an experienced Backend Engineer to design and build robust, scalable microservices. You’ll work across the full backend stack — from API design through to production-grade integration testing — using modern Java and Spring technologies. Requirements Strong … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event-driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain-driven design (DDD) patterns ...

Senior Solutions Engineer

Location
Greater London, England, United Kingdom
team works with top tier global financial institutions and major tech companies to offer Wise products and services directly to their customers. Through our API , we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves Wise Platform by increasing … improve turnaround times. Designing and developing innovative new features that expand the functionality of Wise's services and exposing these features through the public API, enabling seamless integration with partner systems and empowering them to leverage the full potential of Wise's platform. Diagnosing and resolving complex technical issues ...

Full-Stack Engineer (Frontend) Engineering · London

Location
Greater London, England, United Kingdom
engineering culture, and what algo1 becomes. The Role This role reports to our Head of B2B Product, James. Working with him and our product, design, mobile, and machine-learning teams, you'll design and build the web experiences that redefine how brands and retailers serve their shoppers. … stay fully accountable for what you ship. What You’ll Own Full-stack delivery end-to-end. Own substantial features from product conversation through design, implementation, and iteration in production. Most of the weight sits in the frontend, but you go as far down the stack as the feature ...

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 Pre-Sales Engineer

Location
Greater London, England, United Kingdom
Data, AI, and real-time decision-making we turn energy complexity into growth opportunities for our partners. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable and affordable. With teams across Europe, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan … services. You move faster than a traditional sprint by using AI to handle the "heavy lifting" of boilerplate and logic generation. Technical Asset Development: Design, build, and maintain reusable mock services in Node.js/TypeScript. You’ll implement contract-first APIs (REST/GraphQL), manage AWS deployments (API ...

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 ...

Application Architect

Location
Nottingham, England, United Kingdom
Architect – Risk Intelligence Content Curation & Distribution Come join the Risk Intelligence Content Curation and Distribution team as an Application Architect, and help drive application design, as we support our World-Check customers in protecting against sanctions evasion, money laundering, human trafficking, terrorisim and more! Role Summary The Application Architect … role contributes to their the architecture and technical direction on the Risk Content Curation and Distribution Platform This role focuses on application‐level architecture, design quality, and technical guidance, working closely with Solution Architects, Product Owners, and engineering teams. You will help translate business and non‐functional requirements into ...

Senior Platform Engineer

Location
Reigate, England, United Kingdom
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 … bring Platform and controlplane engineering Practical experience designing and developing management and controlplane capabilities for lineofbusiness 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 ...

Core Platform Developer

Location
Greater London, England, United Kingdom
DeveloperApply: London, United Kingdom: Full time: Posted 11 Days Ago: JR100464## Job Description:**Role Overview**We are seeking a Core Platform Developer to help design and build shared engineering foundations used across the firm. This role is focused on backend and platform capabilities that improve how internal teams build … patterns, and increase the reliability of internal systems. This person should be comfortable working across multiple areas of the stack, from service frameworks and API enablement to observability, governance, and developer workflows. This is a high-ownership role within a global, fast-moving engineering environment.**Key Responsibilities*** Design ...

Integration Lead

Hiring Organisation
StepChange Debt Charity
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Ready to shape the future of our integration capability and become the technical authority behind enterprise-wide connectivity? 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-practice engineering … 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, youll set the standards that shape how our systems connectdefining integration patterns, ensuring architectural consistency and driving secure, scalable solutions across ...

Backend Developer (Python)

Location
Greater London, England, United Kingdom
APIs and services that handle millions of requests daily.This role offers the opportunity to work on challenging problems including distributed systems, data processing, and API design. You'll collaborate with frontend engineers, data scientists, and infrastructure teams to deliver reliable, efficient backend solutions. Key Responsibilities Develop and maintain Python … based backend services and APIs Design and implement database schemas and data models Build scalable microservices architecture Integrate with third-party services and APIs Optimize application performance and database queries Write comprehensive tests and documentation Participate in code reviews and architectural discussions Collaborate with frontend teams on API ...

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 ...