126 to 150 of 258 API Design Jobs in London

typical day might look like: Develop and maintain Laravel applications with clean, efficient code Integrate third-party services and APIs into web applications Design and implement RESTful APIs and microservices Collaborate with cross-functional teams to define and implement new features Write comprehensive tests and ensure code quality Responsibilities … Develop and maintain Laravel applications with clean, efficient code Integrate third-party services and APIs into web applications Design and implement RESTful APIs and microservices Collaborate with cross-functional teams to define and implement new features Write comprehensive tests and ensure code quality Optimize application performance and scalability Stay ...

inclusive team culture. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … leadership in setting standards, leading designs, and directly managing or mentoring small teams of mid-level engineers Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication and people skills, with the ability to work ...

inclusive team culture. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … leadership in setting standards, leading designs, and directly managing or mentoring small teams of mid-level engineers Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication and people skills, with the ability to work ...

influence how customers, internal teams, applications, and AI-powered consumers interact with the Comply Data Platform for years to come. What you'll do Design end-to-end platform solutions that connect data pipelines, data products, the security master, semantic models,lakehousetechnologies, APIs, event-driven services, AI interfaces … analytics platforms. Establish architectural standards for interoperability, including API design, event contracts, data exchange patterns, versioning, and access controls. Define scalable integration patterns for customers, partners, and enterprise systems across API, streaming, batch, and self-service access channels. Create consistent interfaces that support human users, analytics tools ...

driving alignment across various teams with different priorities, ways of working to achieve solution standardisation. You sit at the intersection of business strategy, solution design, and delivery execution, shaping how D365 integrates and evolves globally. You work closely with integration architects, solution architects, developers, engineering/product teams … event‐driven patterns. Review and approve specifications, customisations, and integrations that impact end to end process flows across multiple systems. Facilitate cross‐system design alignment with solution owners (POS, WMS, EDI, middleware, data platform, identity/security), ensuring decisions are understood, documented, and governable. Support environment and build strategy ...

with a Python-based backend. The role is hybrid, with 2 days per week required on-site at the client's London office. Responsibilities Design, build and maintain full stack web applications with a Python backend Develop and consume RESTful APIs Work across both backend services and frontend interfaces … Django or Flask) Experience with JavaScript and Typescript Solid frontend experience (React, Vue or similar JS framework) Experience with relational databases (PostgreSQL, MySQL) and API design Familiarity with cloud platforms (AWS/Azure/GCP) and CI/CD pipelines Comfortable working in an agile environment Experience ...

platforms, the LIUT family of ground robotic platforms, and counter-UAS systems. About the role The Senior/Staff Software Engineer (Nova Core) will design, build, and operate the backend services and platform foundations that enable reliable, secure, and maintainable C2 operations across Nova Cloud deployments. This role focuses … ship critical Nova Core backend services (e.g., common APIs, configuration service, tenant/environment lifecycle, shared domain libraries). Design stable, backward-compatible API contracts (schemas, versioning, deprecation/migration playbooks) to protect dependent services and teams. Build and evolve data models and persistence layers, including schema evolution ...

enabling our workforce to take the next great leap forward in productivity. We're looking for a full-stack Agent Engineer to help us design and build agent fleets, AI integrations, APIs, workflows, UIs and services that make this possible. The impact you will have: As Agent Engineer … Operations team, you will help design and deliver scalable, reliable services that power Elliptic’s internal business systems, focusing on building our agent fleets to automate core business processes. You’ll partner with the Head of Business Transformation and VP of Operations, to turn complex internal processes into intelligent ...

need: The fundamentals to build on the client's tech stack - TypeScript, React/Next.js, Node, PostgreSQL and AWS Strong coding fundamentals - data structures, API design, testing, version control, and the judgement to know when to be rigorous and when to ship To be a fanatic user ...

attend our office in Shoreditch at least once a week. What will help you stand out Experience with: Frontend tooling we use: Vite API design, data modelling, or backend integration patterns. Event-driven architectures, message queues, or real-time data systems. Component and styling libraries e.g. MUI, Tailwind. ...

workflows at scale. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast‐paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … time or data‐intensive user experiences Demonstrated technical leadership in setting standards, leading designs, and mentoring teams Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication skills and ability to work effectively in global ...

workflows at scale. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … time or data-intensive user experiences Demonstrated technical leadership in setting standards, leading designs, and mentoring teams Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication skills and ability to work effectively in global ...

workflows at scale. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … time or data-intensive user experiences Demonstrated technical leadership in setting standards, leading designs, and mentoring teams Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication skills and ability to work effectively in global ...

drive the technical direction needed to support the future needs of Operations and the business. Lead Through Craft: Provide technical leadership via architecture, design, and code/PR reviews, championing high standards of code quality and engineering excellence. Mentor & Improve: Mentor engineers and drive continuous improvement in platform capabilities … supporting reactive, event-sourced systems, with hands-on Apache Spark and Apache Flink. APIs & Data Formats: Strong understanding of Apache HTTP, Envoy, and REST API design, plus experience with Protobuf, Avro, and Parquet. Knowledge of Iceberg, Databricks, and Hadoop ecosystems. TDD, ATDD, and Clean Coding practices within ...

expertise as it is about analysis. What You'll get to do: Develop, maintain, and enhance microservice applications using Java 21+ and Spring Boot. Design and implement scalable, resilient, and high-performance solutions. Work with relational and OLAP databases, writing efficient SQL queries in PostgreSQL and ClickHouse. Develop code … process complex data structures to/from Kafka. Ensure best practices in microservice architectures, including API design, scalability and security. Collaborate closely with other team members, including DevOps, Front End, Product and QA Participate in code reviews, technical discussions and continuous improvement initiatives. What we’re looking ...

Clearance to join a team developing secure, high-volume and highly available backend services and APIs supporting fraud detection and data integrity. Responsibilities: * Design and develop scalable, secure and low-latency backend services. * Develop clean, testable Scala code and REST APIs. * Work with databases and AWS services. * Improve … Support production services and contribute to incident resolution. * Work within an Agile & Continuous Integration. Skills and Experience: * Scala * Play Framework or MVC/REST API frameworks * SQL/Databases * AWS * Continuous Integration * Agile methodologies * API design and development * Testing and automation * Production support/SRE awareness ...

integrations that embed Xapien in the processes our customers already use. This is a hands-on product role for someone who is comfortable reading API docs, sketching data flows, and debating trade-offs with engineers — then translating all of it into a roadmap that commercial teams and enterprise customers … requirements with engineering (security, compliance, scalability) and support customers and partners through implementation. Establish success metrics for integrations and iterate based on real usage. API/MCP Own the product direction for Xapien's configuration API and MCP capabilities — how customers and AI agents programmatically configure ...

client data will be sourced, validated, and integrated into Mondra, leveraging where possible our existing Import and Export APIs and identifying where custom API development may be required for fulfil Mondra’s data requirements. You will also contribute to the client contracting process, ensuring technical commitments are clearly defined … including mapping data sources, transformation logic, and validation processes. Identify the client’s BI requirements, and define data export strategies (preferably via existing Mondra API). Identify the authentication/authorisation capabilities of the client, and promote the integration with Mondra’s Identity Provider via Single Sign On. Leverage ...

technical leadership across the Front Office application portfolio, ensuring solutions are aligned with business strategy, architectural standards, and operational requirements Lead the design, development, implementation, and support of technology solutions that enable investment, trading, portfolio management, and related business capabilities Partner with Product Owners, business stakeholders, architects, and engineering … platform simplification, application resiliency, automation, and AI-enabled capabilities Act as the primary technical authority for the application suite, making informed decisions on architecture, design patterns, technology selection, and engineering best practices Manage technical deliveries across multiple concurrent initiatives, ensuring successful execution, risk management, stakeholder communication, and high-quality ...

technical leadership across the Front Office application portfolio, ensuring solutions are aligned with business strategy, architectural standards, and operational requirements Lead the design, development, implementation, and support of technology solutions that enable investment, trading, portfolio management, and related business capabilities Partner with Product Owners, business stakeholders, architects, and engineering … platform simplification, application resiliency, automation, and AI-enabled capabilities Act as the primary technical authority for the application suite, making informed decisions on architecture, design patterns, technology selection, and engineering best practices Manage technical deliveries across multiple concurrent initiatives, ensuring successful execution, risk management, stakeholder communication, and high-quality ...

technical leadership across the Front Office application portfolio, ensuring solutions are aligned with business strategy, architectural standards, and operational requirements Lead the design, development, implementation, and support of technology solutions that enable investment, trading, portfolio management, and related business capabilities Partner with Product Owners, business stakeholders, architects, and engineering … platform simplification, application resiliency, automation, and AI-enabled capabilities Act as the primary technical authority for the application suite, making informed decisions on architecture, design patterns, technology selection, and engineering best practices Manage technical deliveries across multiple concurrent initiatives, ensuring successful execution, risk management, stakeholder communication, and high-quality ...

Controls Flight Data Company in Uxbridge is seeking a Senior Software Engineer to lead end-to-end feature development for flight data processing from design to release. You will design backend services, own architectural decisions, and mentor junior engineers in a fast-paced, on-site environment. The role … requires 4+ years of production software experience, strong C#/.NET skills, RESTful API design, and familiarity with TypeScript/Angular. #J-18808-Ljbffr ...

into scalable, secure and resilient technical designs.Lead architecture for A2A fraud and financial crime solutions, ensuring adaptability across global and regional implementations.Define and govern API standards, integration approaches and service interactions.Design reusable architecture patterns and deployment models that accelerate market onboarding and customer integration.Collaborate with engineering, product, data science … platform scalability.Ensure solutions comply with Mastercard standards and relevant regulatory requirements.QualificationsExtensive experience designing enterprise-scale, high-volume, low-latency distributed systems.Strong knowledge of API design, governance and industry standards, including OpenAPI.Experience with cloud-native architectures, microservices, containers, orchestration platforms and event-driven systems.Expertise in DevOps practices, CI/ ...

development role. You will be expected to have years of experience of commercial development experience utilising: TECHNICAL SKILLS: Deep functional knowledge or hands on design experience with Web Services (REST, SOAP, etc) Understanding of API design and documentation .NET 8.0/10 (C#) .Net CORE (C#) .NET … Framework 4.7+ Angular (v2+), JavaScript Net MVC 5.0 & Web Api 2 ORM (EntityFramework/nhibernate/Dapper) MS SQL Server 2008+, DB2 Dependency injection and frameworks, e.g. Unity Practical experience with TDD and CI/CD OTHER SKILLS: An aptitude for problem analysis and resolution and eye for details. ...

development role. You will be expected to have years of experience of commercial development experience utilising: TECHNICAL SKILLS: Deep functional knowledge or hands on design experience with Web Services (REST, SOAP, etc) Understanding of API design and documentation .NET 8.0/10 (C#) .Net CORE (C#) .NET … Framework 4.7+ Angular (v2+), JavaScript Net MVC 5.0 & Web Api 2 ORM (EntityFramework/nhibernate/Dapper) MS SQL Server 2008+, DB2 Dependency injection and frameworks, e.g. Unity Practical experience with TDD and CI/CD OTHER SKILLS: An aptitude for problem analysis and resolution and eye for details. ...