326 to 350 of 509 Permanent API Design Jobs

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 ...

AI Architect/Engineer

Hiring Organisation
Change Digital – Digital & Tech Recruitment
Location
England, United Kingdom
Multi-Agent Architectures Python & modern software engineering practices Cloud platforms (Azure, AWS or GCP) MLOps/LLMOps, CI/CD and model deployment API design, orchestration and enterprise-scale AI solutions Desirable: Consulting or professional services experience Vector databases, knowledge graphs and advanced retrieval techniques AI or Cloud ...

Senior Full Stack Software Engineer

Location
Glasgow, Scotland, United Kingdom
platform into something scientists can drive — the services that schedule and execute runs across racks of robotic hardware, and the interfaces chemists use to design, launch, and monitor experiments. You will partner with firmware, hardware, manufacturing, and chemistry teams, and own meaningful slices of the platform end to end. … real-world robotic platform sounds like the right shape of job for you, we’d love to welcome you to our team. Key Responsibilities Design, build, and ship full-stack features across backend services and web front-ends, owning them from spec to production. Build and harden the systems ...

AI & Agentic Technical Delivery Lead

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Accenture Song accelerates growth and value for our clients through sustained customer relevance. Our capabilities span ideation to execution: growth, product and experience design; technology and experience platforms; creative, media and marketing strategy; and campaign, content and channel orchestration. With strong client relationships and deep industry expertise, we help … cases, and real consequences when something went wrong. You have led engineering teams — hands-on enough to review a pull request and challenge a design decision, senior enough to set the technical direction and make it stick. You know how development teams work from the inside, which means ...

IT Software Engineer Developer

Location
Wolverhampton, England, United Kingdom
contribute to technical decisions within a collaborative team. Key Responsibilities Develop and maintain web applications using Next.js/React, focusing on performance and scalability. Design and build integrations between applications, APIs, and databases, particularly using MySQL. Write clean, maintainable, well-tested code using JavaScript, TypeScript, and C#. Take ownership … features from design through to deployment and support. Participate actively in code reviews both giving and receiving constructive feedback. Support and mentor more junior members of the team where appropriate. Report to and work closely with the Lead Software Engineer to meet project goals and timelines. This ...

Senior Software Engineer – AI Systems & Full-Stack Ownership

Location
City Of London, England, United Kingdom
seeking a Senior Software Engineer to own the application and integration layer for a new generation of AI-powered products. The role spans backend, API design, MCP integration and frontend development with React and TypeScript. You will design scalable REST/GraphQL APIs, implement agent-to-agent ...

Senior Scala Engineer

Location
Greater London, England, United Kingdom
Front End Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across client. 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 ML Engineer

Location
Greater London, England, United Kingdom
strong emphasis on defining the future product and platform experience, patterns, and contribution pathways that will enable federated scale over time.ML Engineers – Responsibilities & SkillsResponsibilities\* Design and build MCP servers and tools that expose enterprise systems and workflows to AI agents.\* Implement Skills that orchestrate tools, data, and reasoning into … repeatable, governed workflows.\* Contribute to the LSEG AI Assist agentic harness, including planning, tool‐calling, and orchestration logic.\* Build secure API wrappers where backend systems lack suitable authentication or entitlement models.\* Work closely with product teams in a “build for” capacity, transferring knowledge and establishing reusable patterns.\* Shape ...

Senior ML Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
emphasis on defining the future product and platform experience, patterns, and contribution pathways that will enable federated scale over time. ML Engineers – Responsibilities & SkillsResponsibilities* Design and build MCP servers and tools that expose enterprise systems and workflows to AI agents.* Implement Skills that orchestrate tools, data, and reasoning into … repeatable, governed workflows.* Contribute to the LSEG AI Assist agentic harness, including planning, tool‐calling, and orchestration logic.* Build secure API wrappers where backend systems lack suitable authentication or entitlement models.* Work closely with product teams in a "build for" capacity, transferring knowledge and establishing reusable patterns.* Shape ...

Remote Full Stack Software Engineer (Senior, Python / Rust / Go & React, Insurance)

Location
United Kingdom
Strong in a semi‐mainstream programming language (e.g. Python, Typescript, Rust, Go, etc) Proficient with frontend/GUI framework Good understanding of data processing, API design/integration, and system architecture Comfortable adopting new tools and technologies as needed — adaptability is more important than narrow specialisation security/… software for business critical, web‐based applications Build eye‐catching, functional, efficient, and reusable web and mobile‐based sites that drive these web applications Design, build, test, document and maintain APIs and integrations Ensure quality control using industry standard techniques such as automated testing, pairing, and code review Work ...

Principal Solutions Architect, Technology Sales Lead (AWS)

Location
Greater London, England, United Kingdom
technical win strategy, lead client‐facing deep‐dives alongside AWS SAs, and remove the objections that decide competitive deals. Reference architectures that become standards: design the architectures that anchor our joint AWS solutions and get reused across pursuits. Contribute to AWS Partner Central and establish the patterns delivery teams … Amazon Marketing Cloud (AMC), AWS Clean Rooms, data lakes, analytics pipelines Customer Experience: Amazon Personalize, Amazon Connect, serverless architectures Modern Applications: Lambda, Step Functions, API Gateway, container orchestration Integration: Event‐driven architectures, microservices, API design How Success Looks Technical win rate on the strategic pursuits you lead ...

Senior Scala Engineer CGEMJP

Location
Greater London, England, United Kingdom
results; understand the value of iterative delivery Be evidence driven Advocate for 'doing the right thing' Help others understand your work through co-participatory design, pairing, demos and documentation Make complex look and sound simple Be kind, creative and convincing How we work: We favour: Breaking down a high … improvements for the greater good of CIP Working cross-discipline rather than adhering to tightly defined roles. Knowledge & experience Security clearance (SC-level) API design Data analysis Databases AWS suite experience Awareness of Site Reliability Engineering and support Skilled at returning services to good states in outage situationsUnderstands ...

Backend Software Engineer

Location
Greater London, England, United Kingdom
role in shaping the product, its value to customers, and the culture as the company grows. We're looking for someone who can design and build the distributed systems, storage infrastructure, and platform primitives that underpin the sensor integration product. You'll work across the full backend surface: from … stream processing and storage, to API design, data pipelines, and service architecture, in a Rust stack with Python at the platform API boundaries. You'll be responsible for building robust, well-abstracted systems that scale with the demands of a growing integration and customer base, with ambitions ...

Senior Backend Software Engineer

Location
Greater London, England, United Kingdom
platforms, and payment/money ledgers, while building infrastructure for automated policy management, granular admin controls, and seamless accounting system integrations Build at Scale: Design and develop robust, high-performance features and core services that support the company’s flagship product and serve a global customer base Solve Complex … large-scale engineering challenges, driving improvements in reliability, performance, and user experience Deliver Customer-Facing Solutions: Take end-to-end ownership of features—from design and development to deployment and operational support—ensuring exceptional quality and value for users Collaborate Across Teams: Work effectively as part of a global ...

Senior Java Backend Engineer: Microservices & Kafka Hybrid

Location
Glasgow, Scotland, United Kingdom
GlobalLogic in United Kingdom is seeking an experienced Backend Engineer to design and build robust, scalable microservices using Java 17+ and Spring Boot 3. You will work across the full backend stack — from API design through to production‐grade integration testing — using modern Java and Spring technologies. … will design REST APIs, implement event-driven solutions with Kafka, and collaborate with cross-functional teams. #J-18808-Ljbffr ...

Senior Software Engineer (Backend)

Location
Greater London, England, United Kingdom
money ledgers, while building infrastructure for automated policy management, granular admin controls, and seamless accounting system integrations. What You'll Do Build at Scale: Design and develop robust, high-performance features and core services that support the company's flagship product and serve a global customer base. Solve Complex … large-scale engineering challenges, driving improvements in reliability, performance, and user experience. Deliver Customer-Facing Solutions: Take end-to-end ownership of features—from design and development to deployment and operational support—ensuring exceptional quality and value for users. Collaborate Across Teams: Work effectively as part of a global ...

Wireless Protocol Software Engineer – System API configuration

Location
Fleet, England, United Kingdom
Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world‐class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn … quality solutions. This position sits at the intersection of protocol standards, software engineering, and system configuration APIs, within a multi‐site international environment. Responsibilities Design, develop, integrate, and optimize APIs for system‐level configurability . Validate 3GPP protocol configurations , with specific focus on RRC configuration . Support both ...

Senior Software Engineer (Backend)

Location
Greater London, England, United Kingdom
money ledgers, while building infrastructure for automated policy management, granular admin controls, and seamless accounting system integrations. What You'll Do Build at Scale: Design and develop robust, high-performance features and core services that support the company's flagship product and serve a global customer base. Solve Complex … large-scale engineering challenges, driving improvements in reliability, performance, and user experience. Deliver Customer-Facing Solutions: Take end-to-end ownership of features—from design and development to deployment and operational support—ensuring exceptional quality and value for users. Collaborate Across Teams: Work effectively as part of a global ...

Principal AI Platform Architect — Cloud-Native & APIs

Location
Cambridge, England, United Kingdom
AVEVA is seeking a hands-on Principal Technologist to lead the Core AI Services Development in Cambridge. You will design, develop, and scale AI-enabled platform services and public APIs, ensuring security, reliability, and cloud-native quality within an agile Scrum environment. The role emphasizes mentoring, architecture reviews … collaboration across global R&D teams. The ideal candidate brings 12+ years in software engineering, strong Kubernetes, Azure, API design skills, and experience #J-18808-Ljbffr ...

Senior Product Engineer (Backend-Leaning Fullstack)

Location
United Kingdom
Next.js/similar) when the work calls for it. Angular & Vue experience is fine! You build for mobile without building the mobile app. You design APIs and services that serve mobile clients beautifully, accounting for offline, network, battery, and app-release realities and are able to partner closely with … mobile engineers. You own features end-to-end. From API design and data modelling to web frontend implementation, deployment, and post-launch iteration. You're a proactive collaborator. You ask the right questions, propose solutions, and work effectively with teammates whose depth complements yours, including mobile, design ...

Senior Scala Engineer

Location
Greater London, England, United Kingdom
improvements for the greater good of CIP Working cross-discipline rather than adhering to tightly defined roles. Knowledge & experience Security clearance (SC-level) API design Data analysis Databases AWS suite experience Awareness of Site Reliability Engineering and support Skilled at returning services to good states in outage situations … build it you run it team Experience coding in continuous integration context Skills & technologies Essential: Scala Play or other MVC/Rest API frameworks SQL AWS Suite Continuous Integration Agile methodologies Desirable: Containerisation principles/Docker Jenkins Kibana Grafana Airflow #J-18808-Ljbffr ...

Software Engineer

Location
Derry/Londonderry, Northern Ireland, United Kingdom
sales colleagues to understand what we are building and why. What you’ll do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...

Software Engineer

Location
Derry and Strabane District, Northern Ireland, United Kingdom
sales colleagues to understand what we are building and why. What you will do Ship features end-to-end using AI agents, from design through to production. Take ownership of components and projects without needing constant direction. Contribute to code reviews and architectural discussions. Maintain and improve the engineering … more senior responsibilities as you develop and the team expands. What we need from you Strong technical fundamentals. Comfortable across front-end, back-end API design, and database work. Can understand and create production quality experiences with technical and customer minded care. Ability to work independently. ...

Lead Software Engineer - Umbraco

Location
Greater London, England, United Kingdom
designing and implementing APIs and integrations within complex digital ecosystems, including CRM, payment and marketing platforms. Database and data management. Strong expertise in database design and efficient querying in the context of web applications. Cloud and deployment. Practical experience with cloud platforms and managed hosting, particularly Azure and Umbraco … .NET practice Umbraco Cloud, or equivalent managed hosting experience, including environment strategy and deployment workflow Major version upgrade planning and delivery on live platforms API design and consumption, REST and GraphQL, including third‐party integrations SQL Server and efficient data querying in a web application context Modern front ...