126 to 149 of 149 API Design Jobs in London

Technical Skills Required Data Tools: SQL, Python, Snowflake/Databricks, Tableau/Power BI. Frameworks: Agile/Scrum, MLOps, Data Governance, Metadata Management. Integration: API design, event-driven architecture, and data modeling. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

Senior Software Engineer — AI & Multimodal Data Platforms About the Role We are seeking an experienced Senior Software Engineer to help design and build next-generation AI systems used in Defence, Security, and Resilience environments. You will work on a cutting-edge multimodal data fusion platform that transforms large-scale … closely with senior technical leadership, platform engineers, security stakeholders, and mission-focused teams to deliver robust, scalable, production-grade software. What You’ll Do Design, build, and operate core platform components across the AI and data stack. Develop distributed systems that ingest, transform, and serve diverse multimodal datasets. Contribute ...

engineers across the organisation What you'll need to succeed 8+ years' experience in software engineering, with strong fundamentals in distributed systems and system design Proven background building and operating large-scale backend platforms in production Experience working within a product-led environment Hands-on experience with cloud-native … technologies, containers, and CI/CD pipelines Experience influencing technical direction across teams or domains Strong expertise in: Java Distributed systems architecture API design Performance optimisation and scalability Nice to have: Previous experience at Staff/Principal/Tech Lead level Exposure to high-volume, low-latency data ...

complex risk calculations and high-throughput financial data processing. This is an environment where your technical expertise in Object-Oriented Programming (OOP) and API design will directly impact global operations and regulatory compliance. Key Responsibilities Engineering: Build scalable, testable, and maintainable applications using .NET Core and RESTful APIs … systems. Collaboration: Work alongside Quants, Risk Managers, and Front Office teams to translate business needs into technical reality. Architecture: Participate in high-level technical design and architectural discussions to evolve the platform. Requirements Technical Core: Extensive experience in C#, .NET, SQL Server, and CI/CD pipelines. Domain Expertise ...

your product roadmap. Guide engineering outcomes. You’ll operate as a peer to our tech leads, articulating clear problem statements and UX wireframes or API scaffolding where appropriate. You’ll help the team navigate technical trade-offs without compromising on quality. Elevate the developer experience. You’ll obsess about … building end-to-end experiences that delight developers. Your goal is to design tools that are so intuitive and powerful they turn developers into advocates. Harness data and insights to fuel innovation. You’ll define and analyse product metrics, and feed learnings back into the development process. ...

with LLM integration, and working across the stack with React/TypeScript. The ideal candidate will have strong experience in Python, product delivery, and API design. The role offers a competitive salary package, significant equity, full private healthcare, and wellness benefits. #J-18808-Ljbffr ...

architectural direction, influencing engineering standards, and shaping the evolution of AI-enabled capabilities across the mobile platform. In this role, you will: Lead the design, development, and maintenance of advanced iOS applications, ensuring high performance, quality, and responsiveness across Expedia Group’s product suite. Architect and implement robust, scalable … system and API designs, including effective data modelling to support complex business requirements. Drive cross-functional collaboration to define, develop, and ship impactful features, ensuring alignment with organisational goals and technical strategy. Champion best practices in software engineering, testability, and maintainability through code reviews and mentoring. Safely integrate ...

rolling Start: ASAP Location: Fully remote Clearance: BPSS required The Role You'll be working within a large-scale public sector environment, helping to design and shape modern, scalable architectures that support critical government services. Required Experience Strong AWS architecture experience Event-driven architecture (e.g. Kafka or similar messaging … Public Sector experience , with a solid understanding of governance and assurance processes Experience with document-based data models (e.g. MongoDB) Strong knowledge of RESTful API design ...

Requisition ID: 1686605 Role highlights Early‐career hybrid who connects product, delivery and architecture. Shape stories, scenarios and NFRs with traceability to design/build. Support domain modelling and interface specifications for core programmes. Your key responsibilities Backlog shaping: user stories, scenarios, acceptance criteria and NFRs; maintain definition … ready/done. Architecture support: contribute to domain models, interface specs and API/event definitions; maintain requirements‐to‐build traceability. Delivery hygiene: reporting, risks/decisions, demos and release readiness; contribute to playbooks and templates. Continuous learning across domain, product and technical skills (DDD, data flows, integration basics ...

that supports business critical functions across the business. My client have migrated significant services to the cloud and now requires a lead architect to design and build the next generation of solutions including core finance and HR technology landscape, automating data flows, integrating systems, supporting in the delivery … real-time reporting and analysis, whilst driving a more mature awareness to data architecture and governance across the business. Responsibilities: - Lead the design and delivery of integrations across technology platforms and solutions. - Produce architectural documentation (HLDs, LLDs, diagrams, support guides). - Ownership of integration and application architecture in alignment ...

discovery experiences, setting architectural direction, influencing engineering standards, and shaping the evolution of AI‐enabled capabilities across the mobile platform. Responsibilities Lead the design, development, and maintenance of advanced iOS applications, ensuring high performance, quality, and responsiveness across Expedia Group’s product suite. Architect and implement robust, scalable system … API designs, including effective data modeling to support complex business requirements. Drive cross‐functional collaboration to define, develop, and ship impactful features, ensuring alignment with organizational goals and technical strategy. Champion best practices in software engineering, testability, and maintainability through code reviews and mentoring. Safely integrate and operate ...

financial technology company in Greater London is seeking a Product Manager to oversee the merchant account experience, focusing on API design and data architecture. The ideal candidate will have robust product management experience, particularly in complex, regulated environments and will be responsible for shaping foundational models and services. ...

team. You’ll be interfacing with the business regularly, so strong communication skills are important. Ideal person is tech first (Strong Python engineering fundamentals, API design) while getting exposure to modern tech across the stack such as UI's, messaging frameworks and data validation tools. Having the experience ...

heavily backend-biased position but given the size of the team you will be working across the stack when needed Build scalable, performant systems Design and deliver end-to-end features with direct impact on customer value Work with product and ML teams to help translate abstract and complex … software function About you: Strong ability across scalable and performant systems You have a product mindset Statically typed language expertise Experience with API design Low ego and love of engineering Full details are available. Please don't hesitate to reach out for more information. ...

experiences. The ideal candidate should have over 12 years of experience in Android application development and must possess a strong command of Kotlin and API design. This position offers an opportunity to work within a vibrant team focused on innovative solutions in the travel industry. #J-18808-Ljbffr ...

detail‐oriented product manager who thrives in complex systems, understands the developer and implementer persona deeply, and has experience with front‐end frameworks and API design. This role is central to how Optimizely CMS is adopted and extended by customers and partners across the globe. Job Responsibilities Product Development ...

have a strong focus on networking technologies and their integration into modern cloud‐native architectures. This role requires a proactive problem‐solver who can design scalable, secure, and efficient systems while collaborating with cross‐functional teams. Key Responsibilities Architectural Design: Develop and implement robust IT architecture strategies … cloud and hybrid environments, leveraging AWS best practices. Design scalable, secure, and high‐availability solutions tailored to business needs. Cloud Expertise: Implement and manage cloud‐native services, including compute, storage, databases, and serverless architectures. Ensure cost‐efficient and optimised cloud usage. Networking Focus: Design and implement secure networking ...

/Public Sector client on a long-term contract. Key Details: You'll be working within a large-scale public sector environment, helping to design and shape modern, scalable architectures that support critical government services. Experience Cloud & architecture expertise - strong AWS architecture experience, including event-driven systems (e.g. Kafka … RESTful API design. Data & public sector experience - experience with document-based databases (e.g. MongoDB) and a solid understanding of public sector governance and assurance processes. Strong technical architecture background - experience designing secure, scalable systems using modern technologies (cloud, open source, and languages like Java, Python, JavaScript or Ruby). ...

operates on a headless architecture using Contentful CMS, with the front‐end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API‐driven services. Operating within a small engineering team, the Head of Engineering will remain actively involved in development, prototyping, and technical implementation while shaping … architecture. This role reports into the Chief Technology and Transformation Officer and will have 1‐2 direct reports. Key Responsibilities Platform Development & Systems Architecture - Design, build, and maintain techUK’s core digital systems across the Microsoft ecosystem, including Azure‐hosted services, integrations with Dynamics 365, and supporting data infrastructure. ...

help architect the infrastructure for the next generation of secure data collaboration. This is a high-autonomy role where you will own the technical design and lifecycle of production services used by some of the world’s largest pharmaceutical and data-intensive enterprises. Responsibilities for the Mid & Senior Backend … Engineer (Go) | Drug discovery Platform, AI | Fully Remote, EU/UK| Base Salary Up to £110,000, plus early equity, benefits Design and evolve high-performance backend systems and APIs, primarily using Golang, with Python integrated for specific domain-driven logic. Build and operate software that bridges ...

help architect the infrastructure for the next generation of secure data collaboration. This is a high-autonomy role where you will own the technical design and lifecycle of production services used by some of the world’s largest pharmaceutical and data-intensive enterprises. Responsibilities for the Mid & Senior Backend … Engineer (Go) | Drug discovery Platform, AI | Fully Remote, EU/UK| Base Salary Up to £110,000, plus early equity, benefits Design and evolve high-performance backend systems and APIs, primarily using Golang, with Python integrated for specific domain-driven logic. Build and operate software that bridges ...

widely-used charting library used by thousands of developers building data-intensive applications. This is core product engineering — focused on rendering, performance, correctness, and API design. This is not a typical frontend role. You’ll be working closer to a graphics engine than an application layer. What … APIs Solving performance-critical problems in Canvas and SVG Working on correctness and precision in data visualisation Taking features end-to-end — from design through to release Collaborating with senior engineers on a highly integrated visual system Optionally contributing to technical content, demos, or talks What they’re looking ...

setting architectural direction, influencing engineering standards, and shaping the evolution of AI-enabled capabilities across the mobile platform. In this role, you will: Architect, design, and deliver advanced Android mobile solutions, ensuring scalability, performance, and maintainability across Expedia Group’s travel platforms. Lead technical direction for multi-service … quality, and knowledge sharing. Safely integrate and operate AI/ML-enabled solutions that improve mobile user experiences and business outcomes. Collaborate with product, design, and engineering stakeholders to deliver innovative mobile features and drive technical strategy across the organisation. Minimum Qualifications: Bachelor’s degree in Computer Science ...

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 is essential in driving our success. Why Join Us? To shape the future … search and discovery experiences, setting architectural direction, influencing engineering standards, and shaping the evolution of AI‐enabled capabilities across the mobile platform. Responsibilities Architect, design, and deliver advanced Android mobile solutions, ensuring scalability, performance, and maintainability across Expedia Group’s travel platforms. Lead technical direction for multi‐service ...