101 to 125 of 188 API Design Jobs in the UK excluding London

Lead Software Data Engineer - Corporate Know Your Customer

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
software development and data engineering Support a culture of innovation, inclusion, and continuous improvement Required qualifications, capabilities, and skills Hands-on experience delivering system design, application development, testing, and operational stability at enterprise scale Expertise in Python and/or PySpark Advanced knowledge of software application development and technical … processes, with depth in disciplines such as cloud, AI/ML, or data engineering Experience in large-scale data processing, microservices, API design, Kafka, Redis, MemCached, observability tools (Dynatrace, Splunk, Grafana), and orchestration frameworks (Airflow, Temporal) Advanced working knowledge of relational and NoSQL databases, vector stores, data lake ...

Corporate KYC Principle Software Engineer - Executive Director

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
practices and standards, and delivering high-impact software that scales. Job responsibilities Architects and implements complex, scalable engineering frameworks and solutions using modern software design principles Develops secure, high-quality production code for data-intensive applications and platforms, and reviews and mentors other engineers Creates durable, reusable software frameworks … development and automation capabilities, to improve the value realized by automation at scale. Required qualifications, capabilities, and skills Hands-on practical experience delivering system design, application development, testing, and operational stability at enterprise scale Hands-on experience designing and deploying production AI/ML systems, including LLM-based applications ...

Lead Solution Architect

Location
Leeds, England, United Kingdom
Infrastructure and Data, you will provide the technical direction needed to create a more consistent, connected and resilient technology landscape. This is a technical design and architectural governance role. The Lead Solution Architect will influence how solutions are delivered but will not be responsible for project delivery, software development … operational support. What You’ll Be Doing As Lead Solution Architect, you will: Lead the design of enterprise solutions across applications, integrations, cloud platforms and data services Translate business requirements into clear solution architectures and technical designs Assess solution options and recommend approaches that balance cost, complexity, scalability ...

UI Senior Lead Software Engineer - Commodities

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
inclusive team culture. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … leadership in setting standards, leading designs, and directly managing or mentoring small teams of mid-level engineers Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication and people skills, with the ability to work ...

Senior Lead Software Data Engineer – Corporate Know Your Customer

Location
Auchentibber, Scotland, United Kingdom
applications and platforms Mentor and review work of other engineers to promote best practices Create durable, reusable software frameworks and patterns leveraged across teams Design and govern agentic AI systems, including multi-agent workflows and human-in-the-loop controls Establish engineering standards for LLM-based applications, ensuring safety … decisions and engineering practices for scalable software Foster a culture of innovation and continuous improvement Required qualifications, capabilities, and skills Practical experience delivering system design, application development, testing, and operational stability at enterprise scale Experience designing and deploying production AI/ML systems, including LLM-based applications and agentic ...

Corporate KYC Sr Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
applications and platforms Mentor and review work of other engineers to promote best practices Create durable, reusable software frameworks and patterns leveraged across teams Design and govern agentic AI systems, including multi-agent workflows and human-in-the-loop controls Establish engineering standards for LLM-based applications, ensuring safety … decisions and engineering practices for scalable software Foster a culture of innovation and continuous improvement Required qualifications, capabilities, and skills Practical experience delivering system design, application development, testing, and operational stability at enterprise scale Experience designing and deploying production AI/ML systems, including LLM-based applications and agentic ...

Experienced .NET Engineer

Location
Maidstone, England, United Kingdom
change where relevant. Offer technical assistance and support across the company. Liaise with third‐party software providers throughout the lifecycle of projects, from design and development to support and maintenance. Required Skills & Experience Proven leadership skills with the ability to support, guide, and delegate effectively. Strong communication and interpersonal … ability to adapt and fix legacy code. Experience planning, coordinating, and delivering testable software in scaled Agile environments. Solid knowledge of software structures, architectures, design patterns, and modern development processes. Minimum 5 years’ experience in C# development. Hands‐on expertise in the following: .NET Core 3.1 ASP.NET MVC (Core ...

Data Platform Architect

Location
York and North Yorkshire, England, United Kingdom
influence how customers, internal teams, applications, and AI‐powered consumers interact with the Comply Data Platform for years to come. What you'll do Design end-to-end platform solutions that connect data pipelines, data products, the security master, semantic models,lakehousetechnologies, APIs, event-driven services, AI interfaces … analytics platforms. Establish architectural standards for interoperability, including API design, event contracts, data exchange patterns, versioning, and access controls. Define scalable integration patterns for customers, partners, and enterprise systems across API, streaming, batch, and self-service access channels. Create consistent interfaces that support human users, analytics tools ...

Senior Developer

Location
Stansted Mountfitchet, England, United Kingdom
senior hands‐on developer within the ROAM Technical Services team, delivering robust C#/.NET solutions. Own complex development tasks from analysis and design through implementation, testing, deployment and support. Provide technical guidance, code review and mentoring for junior and intermediate developers. Improve software quality through maintainable architecture, automated … development. Qualifications/Requirements: 5+ years’ professional software development experience, with strong commercial experience in C# and .NET/.NET Core. Proven ability to design, build, test and maintain production‐grade services, APIs and integrations. Strong understanding of REST API design, service‐oriented architecture, data modelling ...

Agentic Platform Engineer · Manchester, UK ·

Location
Manchester, England, United Kingdom
execute work across Travel Counsellors' technology estate. This is an agentic engineering role with strong Platform foundations. Your primary focus will be the design, development and production operation of autonomous and semi-autonomous agents for software delivery, platform operations, service reliability, security and engineering productivity. You will create reusable … product teams, you will turn high-value operational workflows into reliable agentic products with clear human oversight, measurable outcomes and safe rollback. Principal Accountabilities Design, build and operate the enterprise agentic platform, including orchestration, runtime services, model routing, memory, identity and policy enforcement. Develop reusable agent frameworks, SDKs ...

Senior Lead Software Data Engineer - Corporate Know Your Customer

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
impactful solutionsLead architectural decisions and engineering practices for scalable softwareFoster a culture of innovation and continuous improvementRequired qualifications, capabilities, and skillsPractical experience delivering system design, application development, testing, and operational stability at enterprise scaleExperience designing and deploying production AI/ML systems, including LLM-based applications and agentic architectures … software application development and technical processes in disciplines such as cloud, AI/ML, or data engineeringExperience in large-scale data processing, microservices, API design, and orchestration frameworksWorking knowledge of relational and NoSQL databases, vector stores, and data lake architecturesFamiliarity with observability tools and frameworksPractical cloud-native experience ...

Full Stack Developer

Location
Cwmbran, Wales, United Kingdom
product development and ongoing application support. This is a hands-on role with real influence over how our products evolve. What you'll do Design, build, and maintain applications using Python and Django Work across the full stack, including front-end components (React, JS, CSS) Translate business and user … occasionally with clients Contribute to CI/CD pipelines using Azure DevOps What you'll need to succeed: Essential Experience Python 3+ years' API Integrations Strong SQL skills (MySQL or PostgreSQL) Solid front-end fundamentals (HTML, CSS, JavaScript, React, Angular) Good understanding of software design principles and best ...

Senior Software Engineer

Hiring Organisation
ECM Selection Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
customers. Their enviable track record of innovation is hard won through a deliberate focus on learning, collaboration and inclusivity. As a team you will design and implement secure and resilient cloud platforms built on top of the Microsoft stack. You will bring with you a record of delivering high … quality software across cloud and service-based architectures. Requirements: Demonstrable experience developing microservices or service-oriented architectures including REST API design and ideally a modern JavaScript front-end framework Strong skills with the Microsoft tech stack (C#, .NET, Azure, etc) Good understanding of web application authentication and access ...

Python / Fullstack Developers

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£650.00 - £750.00 per day
with a Python-based backend. The role is hybrid, with 2 days per week required on-site at the client's London office. Responsibilities Design, build and maintain full stack web applications with a Python backend Develop and consume RESTful APIs Work across both backend services and frontend interfaces … Django or Flask) Experience with JavaScript and Typescript Solid frontend experience (React, Vue or similar JS framework) Experience with relational databases (PostgreSQL, MySQL) and API design Familiarity with cloud platforms (AWS/Azure/GCP) and CI/CD pipelines Comfortable working in an agile environment Experience ...

Java Developer

Hiring Organisation
GCS
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £551/day
Required: Languages: Java 11+, HTML5, JavaScript Front-End Frameworks: Angular APIs: RESTful API Design Databases: Neo4j, PostgreSQL Testing: Junit, Mockito, Cucumber Building: Maven Tooling: GitHub, JIRA, Confluence, GitHub Copilot The Developer Experience (DevX) Standards and Controls function is building a platform for control owners and development teams … well as modernising the application and resolving dependency issues. YOUR RESPONSIBILITIES Collaborate with developers, testers and the wider organisation to build and run products Design, develop & implement back-end features as per backlog/priority with a small element of front-end development. Collaborate with the rest ...

Full Stack Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
need: The fundamentals to build on the client's tech stack - TypeScript, React/Next.js, Node, PostgreSQL and AWS Strong coding fundamentals - data structures, API design, testing, version control, and the judgement to know when to be rigorous and when to ship To be a fanatic user ...

Portfolio Software Full Stack Engineer (Contractor)

Location
Cambridge, England, United Kingdom
candidate will have extensive experience building backend services using Node.js and TypeScript , with a strong understanding of modern software engineering practices, distributed systems and API design. While this is a full stack role, the primary emphasis is on backend development, system architecture and code quality . Experience with frontend … assisted development tools , reviewing both human-written and AI-generated code, and contributing to technical discussions around architecture and system design. Responsibilities Backend Development Design, develop and maintain scalable backend services using Node.js, TypeScript and modern backend frameworks such as Express.js or similar. Design and implement RESTful APIs ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
workflows at scale. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … time or data-intensive user experiences Demonstrated technical leadership in setting standards, leading designs, and mentoring teams Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication skills and ability to work effectively in global ...

Senior Software Engineer

Location
City of Edinburgh, Scotland, United Kingdom
Edinburgh/Remote Are you a Senior Software Engineer who wants to shape a platform, not just implement against a defined design We’re looking for a Senior Application/Platform Engineer to join a small, senior team building and evolving a complex, data-driven technology platform. This … hands-on senior role for someone who can confidently contribute to backend architecture, system design, and technical direction — not just delivery. What you’ll be doing: Designing and building backend services, APIs, and platform capabilities Shaping backend architecture, service boundaries, and system design Contributing to ingestion pipelines, data ...

Software Engineer, Core AI Services

Location
Cambridge, England, United Kingdom
Type: full-time We are looking for a passionate Software 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 … across data pipelines, orchestration, and service APIs. Embed robust security controls to protect sensitive data and ensure secure access to AI services. Participate in design reviews, code reviews, and implementation discussions to ensure engineering excellence. Essential requirements Minimum of 2 years professional experience in software engineering, preferably in platform ...

Software Engineer, Core AI Services

Location
Cambridge, England, United Kingdom
time The job We are looking for a passionate Software 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 … across data pipelines, orchestration, and service APIs. Embed robust security controls to protect sensitive data and ensure secure access to AI services. Participate in design reviews, code reviews, and implementation discussions to ensure engineering excellence. Essential requirements Minimum of 2 years professional experience in software engineering, preferably in platform ...

DevOps Engineer (BioFAIR Methods Commons)

Location
Norwich, England, United Kingdom
BioFAIR MC team across EI, the University of Manchester, and Seqera. The post holder will focus on Galaxy application service delivery, custom software and API development, and the seamless integration of Galaxy with other MC subsystems to build, run, and support a cohesive, world-class national service deployed … community. Main Activities & Responsibilities Percentage Configure, deploy, document, and maintain the production-grade national UK Galaxy service instance on the AWS cloud platform. 40 Design, write, document, and maintain software code and APIs to enhance Galaxy capabilities and integrate with the other BioFAIR Methods Commons services and BioFAIR Spokes. ...

Director of Data Engineering

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
engineering practices and standards, and delivering high-impact software that scales. Job responsibilitiesArchitects and implements complex, scalable engineering frameworks and solutions using modern software design principlesDevelops secure, high-quality production code for data-intensive applications and platforms, and reviews and mentors other engineersCreates durable, reusable software frameworks and patterns … assisted development and automation capabilities, to improve the value realized by automation at scale. Required qualifications, capabilities, and skillsHands-on practical experience delivering system design, application development, testing, and operational stability at enterprise scaleHands-on experience designing and deploying production AI/ML systems, including LLM-based applications ...

Technical Lead

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 ...

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 ...