51 to 75 of 408 API Design Jobs in England

outside IR35. This is a hands-on role working on a mature Azure-based backend platform, with responsibility across the full software lifecycle - from design and development through to testing, deployment and production support. You’ll be working with C#, .NET, Azure Functions, Azure SQL, Azure Service Bus, Azure … API Management and Azure DevOps, contributing to a platform that supports connected patient services. This role is particularly suited to a developer who can hit the ground running, work independently and own technical delivery end-to-end without requiring day-to-day technical supervision. What You’ll Be Doing ...

global growth trends driven by digital adoption and regulatory expansion across lottery and iGaming markets. Well, what about the team? Join our dynamic Sports API team (named Matchday), where you\'ll be at the forefront of creating our Online Sportsbook APIs that underpin the Bally Bet experience. … online entertainment! So, what will you be doing? Develop product features, updates and capabilities. Use TDD methodologies to produce high quality well documented code. Design and develop customer focussed solutions. Understand the goals and business objectives of your team and domain. Use agile methodologies and work together to meet ...

grade infrastructure that allows clients to launch card programs anywhere in the world through a single integration.You will be responsible for a unified Global API and SDK suite that abstracts the complexity of regional payment networks. Whether a client is launching in Europe, North America, or APAC, your product … will provide a consistent, white-label experience. You will drive both the technical "how" (API/SDK design) and the strategic "where" (global expansion and regional issuing setups).What you’ll do:Unified Global API Strategy: Design and maintain a single, polymorphic API architecture that ...

desire to investigate and understand how similar features are implemented across various platforms, then use that knowledge to design unified APIs that can be used across platforms. This will require deep cooperation with teammates as well as the willingness to build relationships with technical teams across Unity. We strive … unification of disparate platform implementations into simple abstractions across UnityDeliver a stable quality product that the team is proud of by exemplifying robust API design methodologies along with high-quality C# and C++ coding practicesRefactoring existing code to be more efficient and maintainable, responding to user feedback ...

desire to investigate and understand how similar features are implemented across various platforms, then use that knowledge to design unified APIs that can be used across platforms. This will require deep cooperation with teammates as well as the willingness to build relationships with technical teams across Unity. We strive … unification of disparate platform implementations into simple abstractions across UnityDeliver a stable quality product that the team is proud of by exemplifying robust API design methodologies along with high-quality C# and C++ coding practicesRefactoring existing code to be more efficient and maintainable, responding to user feedback ...

code reviews, pair programming, and architecture discussions; Collaborate cross-functionally with other Apple teams to integrate tools and systems seamlessly; Write detailed architecture and design proposals; Identify areas for continuous improvement; Mentor other engineers; Contribute to architecture discussions, code reviews, and proposals. Требования Experience shipping high-quality, performant … reliable web applications; Passion for developing products and features; Ability to discuss technical trade-offs across system architecture, database design, API design, and infrastructure; Continuous learning attitude focused on improving personal and team capabilities; Nice to have: BS/MS in Computer Science, Computer Engineering, Informatics ...

coherent, aligned and fit for purpose given the company strategy. 6x Delivery Performance: Architect application frameworks and patterns (e.g., modularity, high cohesion, spec-first API design) that enable a 6x improvement in product development cycles through agentic AI workflows. Commercial Delivery Support: Partner with product engineering to ensure … modernisation roadmap, using the "5Rs" framework (Rehost, Replatform, Refactor, Rewrite, Replace) to maximise EBITDA impact. Platform Services Delivery & Growth Acceleration Platform-as-a-Product: Design, build and deploy the engineering roadmap for the core platform fabric and the suite of self-service platform products that abstract complexity and allow ...

DescriptionRole Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer agency … will work closely with cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements.Role Description:Design, develop, and maintain Java backend services and REST APIs that support digital asset product flows (custody, tokenization, TA, digital cash/settlement) and integrate ...

work alongside architects, product stakeholders and delivery partners to ship software that brokers and analysts use every day.**Key Responsibilities:*** **Build Across the Stack:** Design, build and ship features end to end, from APIs and services through to responsive, accessible user interfaces.* **Cloud Native Delivery:** Develop and run cloud … usable, performant ways for brokers and analysts.* **AI-Enabled Development:** Build AI-enabled product features using patterns such as retrieval-augmented generation, tool and API integration, evaluation and human-in-the-loop design.* **AI-Assisted Engineering:** Use AI-assisted engineering tools such as Claude Code or Claude Cowork ...

enterprise and partner ecosystems. The position also plays a key role in shaping industry best practices and representing the organisation externally. Enterprise & Ecosystem Architecture Design and oversee the implementation of enterprise‐wide software architecture, spanning internal platforms, cloud environments, and external partner ecosystems Develop “big picture” architectural frameworks … adherence to security, compliance, regulatory, and quality standards Identify and mitigate long‐term architectural risks (e.g., vendor lock‐in, scalability constraints, regulatory exposure) Technical Design & Solution Development Conduct research, analyse data, gather requirements, and define end‐to‐end solutions Create architectural artefacts representing system functions, integrations, and user interfaces ...

other professions. Tools and Technologies we use:We would encourage applications from candidates with experience or interests in the following technologies: Back End – API design and middle tier design using a modern language (Java, Python, JavaScript). Front End– Implementing user interfaces using JavaScript, Java or equivalent … business requirements. Essential SkillsYou will have demonstrable experience leading engineering for large-scale, secure, data-intensive services, with the following essential skills:Leading the design and evolution of enterprise-scale NodeJS services (e.g. NodeJS, React, RESTful APIs, microservices) to ensure performance, scalability, and resilience in a live operational environment. ...

other professions. Tools and Technologies we use:We would encourage applications from candidates with experience or interests in the following technologies: Back End – API design and middle tier design using a modern language (Java, Python, JavaScript). Front End– Implementing user interfaces using JavaScript, Java or equivalent … business requirements. Essential SkillsYou will have demonstrable experience leading engineering for large-scale, secure, data-intensive services, with the following essential skills:Leading the design and evolution of enterprise-scale NodeJS services (e.g. NodeJS, React, RESTful APIs, microservices) to ensure performance, scalability, and resilience in a live operational environment. ...

experienced Senior Java/Python Engineer to join a high-performing Agile engineering team delivering secure, highly available and scalable microservices and API platforms. You will be hands-on with modern engineering technologies, working across microservices, APIs, Kafka, cloud databases, containers and observability, while also providing technical leadership … mentoring junior engineers. Key Responsibilities Design and develop scalable Java/Python microservices and REST APIs. Build and operate event-driven solutions using Apache Kafka . Design and optimise AWS Aurora PostgreSQL databases and data platforms. Deploy and support applications using Docker and Kubernetes . Develop API ...

across the firm to ensure our data products deliver value to our customers and they can be readily maintained and enhanced. This encompasses the design and architecture of logical and physical data models and schemas, data transport mechanisms, metadata management, lineage management, API schema design and enabling … financial information to be accessible to AI agents. What You Will Do Design, develop and maintain the technology-agnostic, business-aligned canonical/conceptual data models for Financial Information, defining class definitions, standards and association semantics. Provide data architecture expertise to all delivery teams to ensure we build data ...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure … will work closely with cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements.Role Description :Design, develop, and maintain Java-based backend services and REST APIs that support financial services workflows and data use cases.Implement APIs in line with internal ...

building its Payment Facilitator (PayFac)/Acquiring platform and is looking for a hands-on, experienced Software Engineer to take full ownership across design, build, and delivery. This is not a traditional engineering role — there is no rigid separation between engineering and product. You will work directly alongside … product instinct to define scope and prioritise work independently. Payments or fintech exposure is required; what matters is your ability to design and build reliable, scalable systems and to move fast without sacrificing quality. A generalist mindset — able to deliver in key areas, learn others, outsource/work with ...

major advantage. Key Responsibilities Technical Leadership Own the technical roadmap, guide architectural decisions, and ensure engineering excellence across backend services. Python Engineering Design and build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures … data intelligence. DevOps & Cloud Collaborate on CI/CD pipelines, containerisation (Docker, Kubernetes), and cloud deployments (AWS/GCP/Azure). Data & API Strategy Oversee API design, data modelling, and integration with internal and external financial systems. Security & Compliance Ensure systems meet regulatory, security, and audit ...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure … work closely with cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements. Role Description :Design, develop, and maintain Java-based backend services and REST APIs that support financial services workflows and data use cases. Implement APIs in line with ...

across the firm to ensure our data products deliver value to our customers and they can be readily maintained and enhanced. This encompasses the design and architecture of logical and physical data models and schemas, data transport mechanisms, metadata management, lineage management, API schema design and enabling … financial information to be accessible to AI agents.What You Will Do • Design, develop and maintain the technology-agnostic, business-aligned canonical/conceptual data models for Financial Information, defining class definitions, standards and association semantics.• Provide data architecture expertise to all delivery teams to ensure we build data products ...

sector clients. We are recruiting for a Senior Full Stack Node Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems and create lasting value. Our collaborative and agile culture empowers our teams to make a genuine impact. … play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis and engineering to deliver bespoke digital services that make a positive and meaningful impact on organisations and society. We're confident ...

full technology stack, from backend services and distributed data architecture through to responsive user interfaces, production support, and engineering best practice.Key ResponsibilitiesLead the design, development, and delivery of backend services and platform components using Java 8+/Spring Boot and Python/FastAPI. Build, enhance, and operate event-driven … real-time data pipelines using Kafka and related streaming technologies. Provide deep technical expertise in distributed systems, data architecture, and scalable platform design. Design, implement, and maintain Java-based APIs and microservices, including REST, OpenAPI, GraphQL, and gRPC services. Work with modern data technologies including PostgreSQL, MongoDB, and Amazon ...

sector clients. We are recruiting for a Senior Full Stack Node Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems and create lasting value. Our collaborative and agile culture empowers our teams to make a genuine impact.As … play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis and engineering to deliver bespoke digital services that make a positive and meaningful impact on organisations and society. We're confident ...

sector clients. We are recruiting for a Senior Full Stack Node Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems and create lasting value. Our collaborative and agile culture empowers our teams to make a genuine impact.As … play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis and engineering to deliver bespoke digital services that make a positive and meaningful impact on organisations and society. We're confident ...

sector clients. We are recruiting for a Senior Full Stack Node Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems and create lasting value. Our collaborative and agile culture empowers our teams to make a genuine impact.As … play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis and engineering to deliver bespoke digital services that make a positive and meaningful impact on organisations and society. We're confident ...

sector clients. We are recruiting for a Senior Full Stack Node Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems and create lasting value. Our collaborative and agile culture empowers our teams to make a genuine impact. … play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis and engineering to deliver bespoke digital services that make a positive and meaningful impact on organisations and society. We're confident ...