51 to 75 of 197 Remote API Design Jobs

Senior Backend Engineer, Collections and Treasury

Location
Greater London, England, United Kingdom
Treasury foundation that can scale with us. Your Responsibilities in this Role Own key architecture and implementation decisions for the collections & treasury foundation Lead design work (RFCs, diagrams, API and system specs) to align on solutions before building Partner with PMs and stakeholders to translate business intent into … technically sound requirements Design and build customer-facing and internal APIs to support collections and payment strategies Build reliable infrastructure for vIBAN provisioning and collections orchestration Drive engineering quality across API standards, testing strategy, code review bar, and maintainability Manage delivery by breaking down complex work, sequencing milestones ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
Treasury foundation that can scale with us. Your Responsibilities in this Role Own key architecture and implementation decisions for the collections & treasury foundation Lead design work (RFCs, diagrams, API and system specs) to align on solutions before building Partner with PMs and stakeholders to translate business intent into … technically sound requirements Design and build customer-facing and internal APIs to support collections and payment strategies Build reliable infrastructure for vIBAN provisioning and collections orchestration Drive engineering quality across API standards, testing strategy, code review bar, and maintainability Manage delivery by breaking down complex work, sequencing milestones ...

Senior Software Engineer, Python/Typescript

Location
Cambridge, England, United Kingdom
drive an agent, validate its output, and ramp on an unfamiliar codebase with an agent helping you. What are the responsibilities of the role? Design and build full stack web applications to support end-to-end automation and test infrastructure Integrate AI capabilities including LLM-driven experiences in existing … cases Collaborate with cross-functional teams to define and deliver external partner-facing and internal tooling Architect and own technical solutions and designs, evaluating design alternatives and trade-offs to deliver pragmatic, scalable, reliable, and maintainable solutions Create and maintain requirement and technical documentation, clearly defining user requirements, expected ...

Remote Backend API Engineer - Python, Cloud PBX

Location
West of England, England, United Kingdom
Intermedia is seeking a Backend API Services Developer to design and implement scalable backend services for our cloud-hosted PBX platform. The role blends pragmatic problem solving with strong API design, focusing on reliability and observability. The role is primarily remote with occasional visits to Bristol … London. You will work in a Dev & Engineering team responsible for API and database backends, with opportunities to influence architecture and wire up CI/CD and test automation across #J-18808-Ljbffr ...

Software Developer / Team Lead C# .Net

Hiring Organisation
Client Server
Location
Bracknell, Berkshire, UK
Employment Type
Full-time
development, delivery and production operations whilst remaining hands-on, writing production code and tackling the most technically complex problems. You'll own system architecture, API design, technical decisions, design reviews and code quality and partner with Product Managers on roadmaps, delivery plans and priorities. Providing technical leadership … leadership within a software engineering teamYou have strong backend development skills with C# .Net (would also consider other OO languages)You have strong system design experience, particularly distributed systems and microservicesYou have frontend experience with Vue.js, React or modern AngularYou have a good knowledge of SQL and relational databasesYou ...

Senior Cloud Software Developer

Hiring Organisation
Aveva Group
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
leading industrial companies. Job Title: Senior Cloud Software DeveloperLocation: Cambridge, United Kingdom (Hybrid)Employment Type: Full-timeThe jobJoin AVEVA's Core Services team to design and implement secure, resilient cloud platform capabilities using Microsoft Azure. This Senior-level role is suited to an experienced developer with a strong record … delivering complex technical solutions and an interest in cloud development. You will work as part of an agile team, contribute to design decisions, build high-quality services, and use modern engineering practices, including AI-assisted development tools, to improve productivity and software quality. Key responsibilitiesDesign, develop, and maintain secure ...

Lead Full Stack Engineer

Location
Greater London, England, United Kingdom
engineering capability. Set and influence technical direction across the application stack, making pragmatic architectural decisions around areas such as SSR vs client-side rendering, API design and application architecture. Work closely with the Architecture team on low-level solution design, translating complex requirements into practical and deliverable … team members. Lead the responsible adoption of AI-assisted development tools, identifying opportunities where AI can genuinely improve engineering productivity while establishing appropriate guardrails. Design and manage Azure cloud infrastructure, working with technologies including Kubernetes, Service Bus, APIM and Key Vault. Manage Infrastructure as Code using Terraform or Pulumi. ...

Senior Kotlin Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Kotlin and Java on the AWS Cloud platform, following best practice. In addition to Kotlin, this project utilises Typescript/Node.js using the GOV.UK Design System. Kubernetes and Docker to schedule and run services hosted on AWS Cloud. You’ll join a Scrum Team of cross-functional skills working … including microservices and message-driven architectures NFR/Non-Functional requirement understanding and experience developing applications with this in mind Application/Digital Services Design experience Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role ...

Senior Software Developer

Hiring Organisation
Young's Employment Services Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum, Negotiable
senior engineering role and you'll be joining at a point where the architecture, delivery approach and product direction still matter. You'll design and ship production services, contribute to a structured strangler-fig migration, and use AI-assisted development tools such as Cursor and Claude Code as part … suit an experienced Senior Developer, or a strong Developer ready to step up in a collaborative, senior-led environment. What You'll Be Doing Design, build and support cloud-based services in .NET 10 across Azure API Management, Azure SQL and the wider Azure platform. Help modernise ...

Senior Software Developer

Hiring Organisation
Youngs Employment Services
Location
WC2H, Covent Garden, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum Bonus
senior engineering role and you'll be joining at a point where the architecture, delivery approach and product direction still matter. You'll design and ship production services, contribute to a structured strangler-fig migration, and use AI-assisted development tools such as Cursor and Claude Code as part … suit an experienced Senior Developer, or a strong Developer ready to step up in a collaborative, senior-led environment. What You'll Be Doing Design, build and support cloud-based services in .NET 10 across Azure API Management, Azure SQL and the wider Azure platform. Help modernise ...

Legal Solutions Architect

Location
Boston, England, United Kingdom
based in any of our U.S. offices and consideration given for 100% remote candidates . Orrick Labs is seeking a Legal Solutions Architect to design, develop, and deploy custom software solutions that support legal workflows across the firm. This role will serve as Orrick Labs' primary pro-code development … objectives. Responsibilities Determine when a business problem is best solved through custom software development, low-code technologies, AI agents, or a hybrid approach, and design solutions accordingly. Build and deploy Model Context Protocol (MCP) servers that securely expose firm tools and data as needed to the firm’s internal ...

GenAI Full-Stack Engineer Lead

Location
Belfast City District, Northern Ireland, United Kingdom
organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices. Key Responsibilities Drive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations. Remain hands-on with software architecture, system design, code … containers, microservices and event-driven architectures. Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering. Strong knowledge of SQL and NoSQL technologies, API design and integration patterns. Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations. Growth ...

SVP - GenAI Full-Stack Engineer Lead

Location
Greater London, England, United Kingdom
organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices. Key Responsibilities Drive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations. Remain hands-on with software architecture, system design, code … containers, microservices and event-driven architectures. Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering. Strong knowledge of SQL and NoSQL technologies, API design and integration patterns. Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations. Growth ...

Senior Full-Stack Engineer

Location
Greater London, England, United Kingdom
engineering hires. You will report directly to the CTO and work alongside a small group of senior engineers. The work as it is today Design, build and ship features end to end, from data model and API design through to frontend implementation. Design and build robust … ideally in TypeScript, Node.js and React. We are open to adjacent stacks where the fundamentals are strong. Substantial experience of system design and architecture, including systems that have been in production long enough to show their weaknesses. We will ask you to talk us through something you have designed ...

Senior Full-stack Engineer, Core AI Services

Location
Cambridge, England, United Kingdom
/Full-stack Engineers to join our Core AI Services team at the forefront of industrial AI Innovation. In this role, you will help design, develop, and scale AI-enabling platform services, agentic workflows, and public APIs that are secure, reliable, and cloud-native. These services will … passion for keeping up with the latest AI engineering patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Design, build, and maintain scalable, fault-tolerant cloud-native services on Microsoft Azure. Develop and maintain clean, responsive web user interfaces and developer tools using ...

Software Engineering Manager

Location
Bristol, England, United Kingdom
flow metrics, communicating timelines, dependencies, and risks early and transparently. Establish engineering guardrails across scope, quality, and non-functional requirements, enabling teams to design optimal solutions within them. Champion observability and operational excellence, ensuring system health, SLOs, and alerting are visible and actively managed. Partner with Tech Leads … Architects on system design and evolution, bringing structured thinking to complex, distributed environments. Foster a culture of ownership, collaboration, and continuous improvement, helping teams navigate technical and product challenges with clarity and purpose. Grow and develop engineers through coaching, feedback, hiring, and creating an environment that supports autonomy, mastery ...

Senior Software Engineer, Core AI Services

Location
Cambridge, England, United Kingdom
passionate Senior Software Engineer to join our Core AI Services team at the forefront of industrial AI Innovation. In this role, you will help design, develop, and scale AI-enabling platform services, agentic workflows, and public APIs that are secure, reliable, and cloud-native. These services will … passion for keeping up with the latest AI engineering patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Design, build, and maintain scalable, fault-tolerant cloud-native services on Microsoft Azure. Develop secure, well-documented public APIs and SDKs for consumption by internal ...

Lead Software Engineer - Solution & Data Architecture - B2B SaaS Fintech

Location
Greater London, England, United Kingdom
well before any code gets written, with clear communication about the outcomes to be delivered, followed by planning, prototyping when it helps, and a design the team agrees on. As technical lead of an R&D team, you'll work closely with a Product Manager on initiatives, improvements … time. You plan, size and hand out the work, and keep the team unblocked while it ships. Security, scalability, availability and performance are design inputs on every initiative, not a hardening phase at the end. You cover tenant isolation, auth, data protection and auditability, because our clients' data ...

Scala Engineer | SC Cleared | London | £620 pd

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£620/day £620 per day (inside IR35)
services while supporting the ongoing evolution of the platform architecture. Key responsibilities Help define the future vision and consolidation strategy for Attribute Reputation services Design and develop scalable, secure and testable backend solutions Build and enhance REST APIs that deliver attribute insights to digital services Improve existing services … simplified technology stacks where appropriate Collaborate with product owners, business analysts, data engineers and wider teams to develop effective solutions Contribute to database design and application development with strong security and data protection principles Support operational excellence through monitoring, reliability and incident resolution Work within a continuous integration environment ...

Principal Product Engineer

Location
Greater London, England, United Kingdom
SDLC towards a more agentic one, you will use AI-assisted tools to increase technical leverage, improve engineering workflows and raise the quality of design, code review, testing and documentation - always with rigorous human judgement. Key Responsibilities Technical Direction : Lead the backend technical effort, establish architectural direction, and guide … team through complex design choices, refactoring priorities and engineering trade-offs. NestJS Architecture : Design and evolve a clean, modular NestJS architecture with clear module boundaries, dependency management, testability and maintainable conventions. Typed APIs and Contracts : Design well-typed, version-aware APIs and integration contracts that are clear ...

Principal Product Architect

Hiring Organisation
MasterCard
Location
London, UK
Employment Type
Full-time
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 … 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 ...

Principal Product Architect

Location
Greater London, England, United Kingdom
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 … solutions comply with Mastercard standards and relevant regulatory requirements. Qualifications Extensive 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 ...

Remote API Engineer — TypeScript & AWS Integrations

Location
United Kingdom
Delaney & Bourton seeks an API Software Engineer to join a growing team responsible for a critical API platform. You will evolve a Java-based backend to a modern TypeScript architecture, building REST APIs and integrations with AWS cloud-native patterns. You’ll work closely with a small engineering … group, contributing to OpenAPI standards, containerised deployments, and scalable API design to support customer-facing apps and third parties. #J-18808-Ljbffr ...

Senior AI Engineer

Location
City of Edinburgh, Scotland, United Kingdom
Consultant) to join our Technology Delivery team. In this role, you’ll combine deep expertise in AI/ML engineering and software development to design, build, and deploy advanced generative AI and agentic systems for leading financial services clients. You’ll work hands‐on across the full AI engineering … client expectations. What You’ll Do Architect and develop autonomous AI systems leveraging multi‐modal large language models across text, image, audio, and video Design and implement agentic workflows using prompt engineering, Retrieval‐Augmented Generation (RAG), APIs, and enterprise data integrations Fine‐tune, optimize, and deploy large language ...

Senior Software Engineer (Full Stack)

Location
Farnborough, England, United Kingdom
from me? Software engineering experience, including substantial hands‐on delivery using: Java (Java 8 and modern Java versions such as 17 and 21) REST API design and implementation Modern SPA development experience (required) using React and TypeScript, Angular, or Vue. Strong understanding of design patterns …/C++ experience. Perl, Python, and/or bash scripting experience. Experience contributing to or supporting test automation initiatives (UI and/or API). Clearance Requirements Successful candidates will be required to be willing and able to obtain UK Security Clearances - this requires a minimum of 5 years ...