51 to 75 of 170 API Design Jobs in England

Tomorrow., you will help deliver high-quality, business-critical solutions that create measurable client outcomes. Working alongside multidisciplinary teams, you will contribute to the design, development, and evolution of scalable applications, while embracing innovation, continuous improvement, and AI-enabled ways of working. This role is ideal for individuals … unable to work at home 100% of the time. Your Role: Deliver scalable, secure, and resilient application solutions that meet client and business objectives. Design, develop, and maintain high-quality backend services and reusable components. Contribute to the successful delivery of distributed and service-oriented solutions that enable business ...

occasional out-of-hours support. Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet … expectations, and operational reliability. Integrate products with monitoring and support tooling. Experience/Skills required: Experienced Python Engineer who can make sound trade-offs, design for scale, and contribute to complex systems without over-engineering. Strong engineering judgement and real-world delivery experience. Senior-level experience designing and building ...

deliver the roadmap for horizontal platform capabilities serving all private markets asset classes - including core data services, cross-fund analytics, workflow automation, and API infrastructure. Lead initiatives in AI/ML-enabled product features, including document extraction (e.g., fund documents, LP agreements, investment memos), NLP-powered search, and intelligent … reporting cycles. Demonstrated experience owning platform-level or infrastructure product workstreams with high technical complexity. Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. Experience with agile development methodologies; strong proficiency with product management tools (Jira, Confluence, Productboard, or similar). Exceptional ...

services effectively. The role will be working closely alongside the SPM business team and technology vendors to engineer solutions supporting their strategic roadmap. Responsibilities: Design, build, and improve modern application services that support a strategic business platform, focusing on quality, maintainability, and performance. Develop backend services and APIs supporting … strong track record of delivering production systems. Strong experience building backend applications and APIs, ideally in Java. Practical experience across service‐based architecture, API design, integration patterns, and modern web application delivery. Experience contributing to modernisation or platform evolution initiatives is strongly desirable. Strong engineering discipline across testing ...

Title: Senior Cloud Software Engineer Location: Cambridge, UK - Hybrid Employment Type: Full-time Key Responsibilities Design, develop, and maintain secure, resilient features for AVEVA CONNECT Core Services Contribute to technical design and implementation decisions across cloud and service-based architectures Build and improve services using modern engineering practices … engineering productivity, code quality, and delivery Work collaboratively in an agile development team and share knowledge on cloud technologies and practices Essential Requirements Strong design and coding skills, with a record of delivering high-quality technical outcomes Experience developing microservice or service-oriented architectures Good understanding of REST API ...

secure, and cost-efficient platform infrastructure that enables AI engineering teams to ship and operate AI products reliably in production. What you'll do Design, build, and operate cloud-native AI platform infrastructure across AWS (Lambda, API Gateway, DynamoDB, S3, CloudWatch) and Databricks Deploy and operate containerised services … workflows, and RAG components Implement observability across AI workloads using CloudWatch, MLflow, and OpenTelemetry - covering latency, throughput, cost, and system health Apply secure-by-design principles including IAM, encryption, network controls, and audit logging Work closely with AI engineers to translate prototypes and proof-of-concepts into production-ready ...

work: billing, payments, subscriber management, RADIUS‐based network authentication, and integrations with ISP billing systems and mobile money providers. We are replacing legacy, non‐API systems with a modern API platform, and real money is already flowing through the system. This is a small, high‐intensity engineering team … when they hit technical walls. You will not manage people. You will build systems. What you will own Payments domain: SasaPay collections integration (C2B API, STK push, IPN handling), revenue split engine (per‐partner, per‐BNG percentage logic), ChoiceBank treasury operations (withdrawals, internal transfers, OTP flows), and the payment ...

core mission capabilities. You’ll work as part of empowered, autonomous DevOps teams with regular contact with end-users to flexibly and efficiently understand, design, develop, deploy and maintain applications and services on AWS. You’ll be encouraged to identify new ways of solving problems and get to work … help you with them AWS Certification at Associate level eg Solution Architect, Developer or DevOps Expertise in microservices and API design Docker, and container runtime platforms such as Kubernetes, EKS, ECS etc Strong understand of operational concepts on AWS, particularly monitoring and observability, FinOps Utilising CI/ ...

applications while collaborating with architects, engineers and stakeholders to deliver innovative digital solutions. The Role As a Senior Software Engineer, you'll lead the design and development of modern cloud-native applications, working closely with clients to understand business requirements and translate them into robust technical solutions. … contribute to solution design, mentor other engineers, promote engineering best practices, and help shape scalable, resilient platforms built on Microsoft Azure. What You'll Be Doing Design, develop and deliver modern cloud-native applications. Build scalable, secure and resilient event-driven solutions. Develop production-quality software using .NET ...

applications while collaborating with architects, engineers and stakeholders to deliver innovative digital solutions. The Role As a Senior Software Engineer, you'll lead the design and development of modern cloud-native applications, working closely with clients to understand business requirements and translate them into robust technical solutions. … contribute to solution design, mentor other engineers, promote engineering best practices, and help shape scalable, resilient platforms built on Microsoft Azure. What You'll Be Doing Design, develop and deliver modern cloud-native applications. Build scalable, secure and resilient event-driven solutions. Develop production-quality software using .NET ...

contexts Use customer feedback, analytics, and direct user insights to inform technical decisions, prioritise improvements, and validate that shipped features deliver measurable value Design and implement complex data flows, API integrations, and background processing systems that handle high-volume operations reliably while maintaining system performance and data integrity … Partner with product, design, and customers to shape solutions early, translating business requirements into technical architecture while surfacing risks and opportunities that impact customer outcomes Mentor and coach other engineers, raising the bar for technical excellence through code reviews, pair programming, and architectural guidance Beyond the tech ...

depth in fraud prevention, abuse detection, rate limiting, or bot protection to guide architectural decisions across a complex, multi-layered fraud stack. Distributed systems design: Proven experience designing, building, and operating scalable, highly available distributed systems in a cloud-native environment. Modern tech stack experience: Demonstrable experience with cloud … platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST). Database expertise: Hands-on experience with both relational and NoSQL databases. A people-first approach: Deep commitment to the growth and well-being of your team, with proven experience in coaching, mentorship, and performance management. Commercial ...

that drive business transformation. Working closely with stakeholders, engineering teams and platform specialists, you'll translate complex business needs into innovative technical solutions, championing API-led and event-driven architecture principles. You'll also help drive the adoption of emerging AI capabilities, ensuring AI-powered solutions are implemented … will: Partner with business stakeholders, solution architects and delivery teams to understand business needs and translate them into innovative, future-ready solution designs. Design, shape and govern scalable, secure and highly available solutions using Microsoft Azure technologies, ensuring they meet both current and future business demands. Drive the adoption ...

Slack and React: the agents people talk to and the apps they click through, built in TypeScript. And you don’t stop there. From API and MCP design to infrastructure on Vercel, AWS, Supabase, and BigQuery, plus the agents that work across the stack, you own complete features … software factory. What you’ll bring 5+ years of experience building applications or tooling that automate human workflows Full‐stack experience across the board: API design, databases, async workflows and background jobs on the backend, and clean, user‐friendly UX on the frontend Being AI‐native. An early ...

Slack and React: the agents people talk to and the apps they click through, built in TypeScript. And you don't stop there. From API and MCP design to infrastructure on Vercel, AWS, Supabase, and BigQuery, plus the agents that work across the stack, you own complete features … software factory. What you'll bring 5+ years of experience building applications or tooling that automate human workflows Full-stack experience across the board: API design, databases, async workflows and background jobs on the backend, and clean, user-friendly UX on the frontend. Being AI-native. An early ...

foundational systems that power our embedded finance platform at global scale. The team owns multi‐tenant infrastructure, drives cross‐domain product capabilities, and helps design technical solutions for enterprise customers. Key areas of ownership include: Embedded Finance Platform: Build and maintain the infrastructure powering customers like Rippling, Navan, Qantas … career development. Set technical direction for scalable, reliable backend systems and partner with senior engineers on architecture and design. Ensure high standards for system design, code quality, testing, and operational excellence. Drive improvements across reliability, observability, security, and developer productivity. Work cross‐functionally with product, design, compliance, sales ...

skilled Sr. Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you will work closely with customers to design, implement, and manage AWS solutions that meet their technical requirements and business objectives. You will be a key player in driving customer success throughout … here: https://www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels Basic Qualifications Experience as a technical specialist in design and architecture. Experience in cloud-based solution (AWS or equivalent), system, network, and operating system. Experience in external or internal customer-facing, complex ...

security etc). Working within a project management/agile delivery methodology Experience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creation Documentation of solutions (e.g. architecture, configuration, release, support-handover Collaborate and liaise with other Version … 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 ...

team works with top tier global financial institutions and major tech companies to offer Wise products and services directly to their customers. Through our API, we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves Wise Platform by increasing … improve turnaround times. Designing and developing innovative new features that expand the functionality of Wise's services and exposing these features through the public API, enabling seamless integration with partner systems and empowering them to leverage the full potential of Wise's platform. Diagnosing and resolving complex technical issues ...

Boomi AtomSphere, connecting multiple enterprise platforms across cloud and on-premise environments. This is a hands-on technical position requiring strong Boomi development experience, API integration knowledge and the ability to support complex integration landscapes. Key Responsibilities: Design and develop scalable integration solutions using Dell Boomi AtomSphere, including … secure Managed File Transfer (MFT) workflows to support high-volume and sensitive data transfers Publish, secure and govern REST/SOAP APIs through Boomi API Management, including gateway configuration, throttling and developer portal management Develop and maintain CI/CD pipelines using Git, Azure DevOps or Jenkins, supporting automated ...

organisation The Experience and Key Skills you will have: We're interested in hearing from technology leaders with strong experience in: Application architecture: API design (REST, GraphQL), microservices, event-driven and distributed systems Data streaming and processing: platforms like Kafka for real-time data pipelines and integration Enterprise … architecture: domain-driven design, architecture governance, reusable components and patterns AI for software engineering: leveraging AI/agentic tools for coding assistance, pipeline automation, testing, and developer productivity improvements Engineering lifecycle: CI/CD pipelines, automated testing, product lifecycle management, Agile and DevOps practices Strong understanding of cloud-native ...

Overview: Youll operate as the technical spearhead for a greenfield product build, reporting to the Director of Engineering. Expect deep backend engineering, distributed system design, and high-quality serverless delivery, plus the chance to adopt modern AI-assisted development practices as part of your workflow. What Youll Bring: Senior … ability to architect and lead distributed REST microservices at scale. Strong authority in AWS serverless engineering: Lambda-first mindset, hands-on experience with API Gateway, SQS, Step Functions, EventBridge and IAM. Deep data expertise across Aurora MySQL and DynamoDB: schema design, access patterns, indexing, query tuning, and pragmatic ...

lead a team of elite engineers who embed directly with Fortune 500 customers to ship deeply integrated AI agents—owning everything from agent design and evaluation to the backend services, data systems, and cloud infrastructure that make them production‐ready. You'll partner closely with our Forward Deployed … volume for senior engineering roles. Hands‐on fluency with the full AI stack. Deep familiarity with LLMs and agent systems, evaluation frameworks, backend and API design (Python or TypeScript), data systems (PostgreSQL, DynamoDB, MongoDB, or similar), and cloud infrastructure (AWS, Azure, or GCP) including Kubernetes, Docker ...

centres already operating at 100% whole slide image scanning capacity in Geneva and Lausanne. Core Responsibilities Core Agentic Architecture & Retrospective Extraction LLM Extraction Agents: Design, build, and maintain production-grade LLM-based extraction pipelines to automatically parse years of unstructured PDF pathology reports. Structured Parsing: Programmatically extract clinical entities … biomarker statuses from raw, free-text documents. Framework Selection: Evaluate and integrate specialized agentic frameworks and orchestration tooling (e.g., LangChain, LlamaIndex, or direct LLM API implementations) based on measurable extraction accuracy against real-world clinical text, rather than what is fashionable. Confidence Scoring & Human-Review Loops: Build programmatic confidence ...

product suites. Translate business and technical requirements into scalable, resilient and cost‐effective solutions, ensuring alignment with wider enterprise architecture. Provide technical leadership through design reviews, code reviews and architectural governance, supporting high‐quality, secure and maintainable software delivery. Lead the evolution and adoption of engineering practices, principles … designing scalable, resilient and secure technical architectures, with the ability to produce both high‐level and detailed solution designs. Extensive knowledge of integration and API design patterns, including REST APIs, event‐driven architectures, messaging, microservices and orchestration. Expert understanding of modern software engineering principles and architecture patterns, including ...