101 to 125 of 185 Remote/Hybrid API Design Jobs

Technical Lead (Front Office Asset Management Tech Stack)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 Lead

Location
Westminster, West End, United Kingdom
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 ...

Senior Software Engineer

Location
Cambridge, England, United Kingdom
company offers highly competitive remuneration, an excellent benefits package and work-life balance including hybrid work. The core requirements: A senior software engineer’s design and coding ability and track record, judgement, mentoring and review skills. Strong commercial-grade C# software development with awareness of modern .NET … language, and establish good patterns and factoring. Microservice development experience – with good service factoring to reduce bloat, increase independence and separate concerns – and RESTful API design and development. Strong communication skills to liaise with colleagues in other product teams. A good technical degree from a top university, backed ...

Senior Software Engineer

Hiring Organisation
ECM Selection (Holdings) Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
company offers highly competitive remuneration, an excellent benefits package and work-life balance including hybrid work. The core requirements: • A senior software engineer’s design and coding ability and track record, judgement, mentoring and review skills. • Strong commercial-grade C# software development with awareness of modern .NET … language, and establish good patterns and factoring. • Microservice development experience – with good service factoring to reduce bloat, increase independence and separate concerns – and RESTful API design and development. • Strong communication skills to liaise with colleagues in other product teams. • A good technical degree from a top university, backed ...

Senior Backend Engineer - Flight Data Analytics (Hybrid)

Location
Uxbridge, England, United Kingdom
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 ...

Solution Architect

Hiring Organisation
Reed
Location
Bromley, Kent, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £130,000 per annum, Inc benefits
owning enterprise-wide software architecture strategy Leading large-scale cloud, SaaS and digital transformation programmes Driving adoption of modern architecture principles including microservices and API-first development Influencing senior stakeholders on technology direction and investment Providing architectural governance across multiple products and platforms Evaluating emerging technologies including AI/… across Azure, AWS and/or GCP Proven experience delivering SaaS and cloud transformation programmes Deep understanding of Microservices Architecture and distributed systems Strong API design and integration experience Experience with modern software engineering practices and DevOps principles Excellent stakeholder management skills with the ability to influence ...

Software Developer - AIO (Typescript)

Location
United Kingdom
build the next generation of AI e-commerce platforms. What you will be responsible for Driving technical decision-making, including technology selection, architecture design, and system scalability Designing and implementing high-quality features across the backend and frontend stack Identifying and addressing performance bottlenecks in critical areas … professional software development experience, with strong expertise in TypeScript Proven experience building and maintaining production-grade web applications Strong backend engineering experience, including API design, system architecture, and distributed systems concepts Solid understanding of relational databases and advanced SQL Strong focus on software quality, testing, security, and maintainability ...

AI Platform Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£475.00 per day
production-quality code. Key Responsibilities You’ll play an important role in designing, building and delivering the AI platform by: Building and evolving the API gateway and routing layer connecting teams to multiple LLM providers. Developing failover, load-shedding and resilience capabilities for periods of provider degradation. Designing orchestration … registration and discovery tooling for reusable AI capabilities. Establishing API design, versioning and promotion workflows to move capabilities from experimentation into production. Implementing RBAC and OIDC-based access controls. Supporting secure API key issuance, rotation and revocation. Applying high standards across testing, observability and technical documentation. Using ...

Mid-Level Data Engineer (Python/ AWS)

Location
Belfast, Northern Ireland, United Kingdom
cloud-based data platform. This is a hands-on role focused on designing, building, and improving data pipelines and services, while also contributing to API design and occasional frontend work where needed. You’ll work across the stack, primarily in Python and AWS, helping to deliver reliable, well … data through APIs, and supporting a platform that removes bottlenecks and enables better use of data across the organisation. What You’ll Be Doing Design, build, and maintain ETL/ELT pipelines in production environments Develop ingestion and egress patterns to support reliable data access and integration Work with ...

Sr. Software Development Engineer ()

Hiring Organisation
Placement Services USA, Inc
Location
Boca Raton, Florida, United States
Employment Type
Any
Salary
USD Annual
Sr. Software Development Engineer (Ref. 338) to perform the following duties: Analyze users' needs and then design and develop software and applications to meet those needs; Translate user stories and functional requirements into resilient & secure technical designs; Ensure application SLAs are met by employing appropriate monitoring and alerting tools … required by each supported application; Work with development leads to assist in developing overall application technology design activities; Identify and define key architectures, components and interfaces, design of data model and data/information flows; Ensure that IT programs and software continue to function normally through software maintenance ...

Principal Technologist, Core AI Services

Location
Cambridge, England, United Kingdom
Time (Hybrid) We are looking for a hands-on Principal Engineer to join our Core AI Services team. In this role, you will help design, develop, and scale AI-enabling platform services and public APIs that are secure, reliable, and cloud-native. These services will act as foundational building … patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Serve as the technical authority for core services owning design, reliability and performance. Build scalable, fault-tolerant cloud-native services on Microsoft Azure, ensuring high performance and reliability. Develop secure, well-documented public APIs ...

Senior Software Engineer – Data Visualisation & Graphics | London

Hiring Organisation
techstack Recruitment
Location
City of London, London, United Kingdom
working on the underlying systems that make complex visualisations fast, accurate, and scalable. The challenges range from rendering performance and interaction design through to algorithms, graphics, API design, and numerical correctness. What you’ll be doing Designing and building core charting features used by developers around … exceptionally high technical standards High levels of ownership and autonomy Small team, significant impact Opportunity to deepen expertise in performance, graphics, visualisation, and systems design Package Salary up to £200,000 Hybrid working (London) Private healthcare Pension Additional benefits If you’re interested in building the technology behind modern ...

Senior Software Engineer – Data Visualisation & Graphics | London

Location
Slough, England, United Kingdom
working on the underlying systems that make complex visualisations fast, accurate, and scalable. The challenges range from rendering performance and interaction design through to algorithms, graphics, API design, and numerical correctness. What you’ll be doing Designing and building core charting features used by developers around … exceptionally high technical standards High levels of ownership and autonomy Small team, significant impact Opportunity to deepen expertise in performance, graphics, visualisation, and systems design Package Salary up to £200,000 Hybrid working (London) Private healthcare Pension Additional benefits If you’re interested in building the technology behind modern ...

Application Architect London ·

Location
Greater London, England, United Kingdom
architecture of key strategic initiatives across Fourth. Working as an embedded member of delivery teams, you will provide hands-on architectural leadership, helping engineers design, build and evolve scalable, maintainable and resilient software solutions. You will apply Fourth's application architecture standards, patterns and engineering principles, while contributing … practical delivery experience. Produce architectural designs, decision records, and technical documentation that clearly communicate solution intent and support long-term maintainability. Participate in architecture, design, and code reviews, providing constructive feedback and helping ensure consistency with established architectural principles. Collaborate with business, product, engineering, and fellow architects to understand ...

Senior Software Engineering Manager (Active Savings)

Location
Bristol, England, United Kingdom
Strong engineering background with the ability to communicate architectural decisions to both technical and non-technical stakeholders. You create guardrails based on scope, technical design, NFRs, and quality—then empower your team to innovate within them. Client- and product-focused mindset, with experience partnering closely with Product Managers … business teams. You embrace ambiguity, foster collaboration, and promote psychological safety to help teams navigate change. Hands-on knowledge of secure API design, authentication services, and mobile development (Swift/Kotlin, React Native). Knowledge and experience of modern DevOps tools and practices. Exposure to Figma and Vercel ...

Senior Software Engineering Manager (Active Savings)

Location
West of England, England, United Kingdom
Strong engineering background with the ability to communicate architectural decisions to both technical and non-technical stakeholders. You create guardrails based on scope, technical design, NFRs, and quality—then empower your team to innovate within them. Client- and product-focused mindset, with experience partnering closely with Product Managers … business teams. You embrace ambiguity, foster collaboration, and promote psychological safety to help teams navigate change. Hands-on knowledge of secure API design, authentication services, and mobile development (Swift/Kotlin, React Native). Knowledge and experience of modern DevOps tools and practices. Exposure to Figma and Vercel ...

Backend Software Engineer – Infrastructure, Foundations

Location
Greater London, England, United Kingdom
Build software at scale throughout the product lifecycle, from idea generation and design through prototyping and production delivery Collaborate with technical and non-technical teammates to understand customer problems and build solutions Build a performant search and indexing ecosystem for complex granularly permissioned data Contribute to open-source data … libraries and integrate innovations for performance gains Build distributed systems powering large-scale compute workloads and efficiently schedule hundreds of thousands of containers hourly Design architecture and opinionated APIs that guide application developers Implement tracing and performance observability in high-scale distributed microservice architectures Build reliable, performant, and scalable ...

Software Engineer

Location
United Kingdom
permanent role with a fully remote working arrangement, with travel as required. The Role As a Software Engineer on our TermTime platform, you will design, develop, and maintain our timetabling and scheduling solutions. You will also be involved in reimagining and redeveloping this product to create a new, innovative … practices for creating secure, efficient, and high-quality code. Experience working within agile methodologies. It Would Be Great If You Had Understanding of database design for building efficient applications. Experience with API design and third-party system integrations. Experience with containerized applications. Exposure to deploying code ...

Java Technical Software Engineering Lead - Vice President

Hiring Organisation
Nomura
Location
London, UK
Employment Type
Full-time
strategic leadership capabilities to deliver robust, scalable data solutions that support our organization's analytical and operational requirements. Responsibilities: Lead the end-to-end design, development, and maintenance of our enterprise-grade Data Lake platform, with particular emphasis on optimizing data ingestion workflows and acquisition methodologiesCollaborate closely across various … health and lineageEstablish and maintain documentation standards, best practices, and governance frameworks for data acquisition and quality assurance processesLead architectural discussions and to technical design decisionsSkills, experience, qualifications and knowledge required: Experience: Experienced Java Software Engineer with extensive professional development experience and a proven track record of delivering enterprise ...

Java Backend Engineer | Spring Boot, Microservices, Kafka

Location
Glasgow, Scotland, United Kingdom
GlobalLogic in Scotland is seeking an experienced Backend Engineer to design and build robust microservices using Java 17+ and Spring Boot 3. You’ll work across the full backend stack—from API design through production-grade integration testing—delivering scalable services. You will design, implement … test REST APIs, apply domain-driven design, and work with Kafka, Gradle, MapStruct and Feign to deliver resilient services in a hybrid work environment. #J-18808-Ljbffr ...

Principal Software Developer

Location
Cambridge, England, United Kingdom
vendor offerings and appropriate architectures and patterns for those offerings. A deep understanding of cloud-compatible architectures (such as microservices and SoA), RESTful API design considerations, and ideally, a good awareness of security and authentication considerations (OAuth is relevant). A strong academic track record including a good … addition to tailored package elements. Keywords: Principal engineer, principal software developer, C#, .NET, cloud, Azure, AWS, cloud native, containers, microservice, service-oriented, REST, API, intelligence, security, authentication, OAuth, sustainability, Cambridge, hybrid. #J-18808-Ljbffr ...

Principal Software Developer

Hiring Organisation
ECM Selection Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
vendor offerings and appropriate architectures and patterns for those offerings. A deep understanding of cloud-compatible architectures (such as microservices and SoA), RESTful API design considerations, and ideally, a good awareness of security and authentication considerations (OAuth is relevant). A strong academic track record including a good … addition to tailored package elements. Keywords: Principal engineer, principal software developer, C#, .NET, cloud, Azure, AWS, cloud native, containers, microservice, service-oriented, REST, API, intelligence, security, authentication, OAuth, sustainability, Cambridge, hybrid. Another top job from ECM, the high-tech recruitment experts. Even if this job's not quite right ...

Senior Product Security Engineer

Location
Cambridge, England, United Kingdom
them at scale. You will work on tool integration, results processing, and the services that make analysis outputs usable by engineering teams. Key Responsibilities Design, build, and maintain core backend services for centralised security analysis and data processing. Develop Python services, APIs, and workflow components that support tool onboarding … comfortable in scripting (e.g. bash). Proven experience designing, building, and operating backend services or internal platforms in production environments. Strong understanding of API design, service-to-service integration, and backend architecture. Experience working in cloud environments, ideally AWS. Experience with containers and related tooling, for example Docker. ...

SC Cleared Senior Scala Engineer

Hiring Organisation
fortice
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 620 Daily
Front End Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across HMRC. This work involves: Help design a future vision for our Att Rep services, including consolidation, to allow us to provide a consistent and easy to use experience for users. … maintenance efforts through incremental re-architecting - eg reducing the number of technologies that are required to support the pipeline & using managed services where appropriate. Design and develop clean functioning, testable code on the Back End, write effective APIs, develop and manage well-functioning databases and applications with security ...

Senior Scala Engineer CGEMJP

Location
City Of London, England, United Kingdom
Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across the business. This work involves: Help design a future vision for our Att Rep services, including consolidation, to allow us to provide a consistent and easy to use experience for users. Consideration … maintenance efforts through incremental re-architecting - e.g. reducing the number of technologies that are required to support the pipeline & using managed services where appropriate. Design and develop clean functioning, testable code on the back-end, write effective APIs, develop and manage well-functioning databases and applications with security ...