1 to 25 of 39 Remote/Hybrid API Design Jobs in the North of England

Senior Software Engineer (Full Stack) — Java & React

Hiring Organisation
Zühlke Engineering
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
maintain high standards of engineering quality. How you will make an impact Build and maintain reliable JVM-based services using Kotlin or modern Java. Design and develop APIs and integrations following industry standards. Contribute to API design standards and documentation. Deliver complete end-to-end features … Understanding the difference between relational, NoSQL and other persistence technologies. Experience building shared platforms, common services or greenfield technical foundations. Building APIs adhering to design principles such as RESTful API design Building observable systems Experience in regulated or financial-services environments. Exposure to payments, transaction processing ...

Senior Backend Engineer (Java)

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
Location: Manchester, UK (Hybrid - 2 days/week on-site) Role Type: Contract About the Role We are seeking a Senior Backend Engineer to design, build, and scale resilient, high-performance distributed systems. This role is ideal for a pragmatic developer who thrives in fast-paced Agile environments, excels … work cross-functionally with product managers, frontend engineers, and platform teams while elevating code quality and mentoring fellow engineers. Core Responsibilities Architecture & API Design: Build and maintain scalable, fault-tolerant backend microservices and REST APIs. Technical Leadership: Lead medium-to-large engineering initiatives, participate in design reviews ...

Senior Backend Engineer (Java)

Hiring Organisation
Randstad Technologies
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Location: Manchester, UK (Hybrid - 2 days/week on-site) Role Type: Contract About the Role We are seeking a Senior Backend Engineer to design, build, and scale resilient, high-performance distributed systems. This role is ideal for a pragmatic developer who thrives in fast-paced Agile environments, excels … work cross-functionally with product managers, frontend engineers, and platform teams while elevating code quality and mentoring fellow engineers. Core Responsibilities Architecture & API Design: Build and maintain scalable, fault-tolerant backend microservices and REST APIs. Technical Leadership: Lead medium-to-large engineering initiatives, participate in design reviews ...

Remote Lead Java Developer/Solution Architect (6-month contract)

Hiring Organisation
Gravity9
Location
Carlisle, Cumbria, UK
Employment Type
Temporary
expect most people to move between programmes as engagements start and complete. Several of these are hands-on architect roles: you will own design decisions and also write production code The kind of work The following are representative of current and upcoming engagements. Individual roles will draw on some … over days. The work includes target-state architecture and decision records, change-data-capture ingest pipelines from upstream data services, ontology and mapping-layer design across suppliers with competing data models, separation of system, reference and insight data classes including time-series, and deployment topologies spanning cloud-hosted services ...

Remote Lead Java Developer/Solution Architect (6-month contract)

Hiring Organisation
Gravity9
Location
Ashington, Northumberland, UK
Employment Type
Temporary
expect most people to move between programmes as engagements start and complete. Several of these are hands-on architect roles: you will own design decisions and also write production code The kind of work The following are representative of current and upcoming engagements. Individual roles will draw on some … over days. The work includes target-state architecture and decision records, change-data-capture ingest pipelines from upstream data services, ontology and mapping-layer design across suppliers with competing data models, separation of system, reference and insight data classes including time-series, and deployment topologies spanning cloud-hosted services ...

Remote Lead Java Developer/Solution Architect (6-month contract)

Hiring Organisation
Gravity9
Location
Barnsley, South Yorkshire, UK
Employment Type
Temporary
expect most people to move between programmes as engagements start and complete. Several of these are hands-on architect roles: you will own design decisions and also write production code The kind of work The following are representative of current and upcoming engagements. Individual roles will draw on some … over days. The work includes target-state architecture and decision records, change-data-capture ingest pipelines from upstream data services, ontology and mapping-layer design across suppliers with competing data models, separation of system, reference and insight data classes including time-series, and deployment topologies spanning cloud-hosted services ...

Data Integration Lead

Location
Manchester, England, United Kingdom
Manchester, GB, M1 4HN Felixstowe, GB, IP10 0DD Leiston, GB, IP16 4EW Career Area: Data, Tech & IT Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company … Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway. Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time ...

Senior Full Stack Developer

Location
Leeds, England, United Kingdom
Overview Senior Full Stack Developer role in Leeds. Hybrid work arrangement with two days in the office each week. You will design, build, and deliver high-quality solutions across the full technology stack in a cloud-native environment, collaborating with Product, Delivery, and Platform teams to enable secure, scalable … user-focused applications. Responsibilities Design, develop, and maintain scalable full-stack applications across the front end, back end, APIs, and data integrations. Lead the end-to-end delivery of features from technical design and architecture through development, testing, and deployment. Produce clean, maintainable, and well-tested code following ...

Remote Senior Node.js Developer (UK)

Hiring Organisation
Flosum
Location
Chester, Cheshire, UK
Employment Type
Full-time
Googling it. Deep experience with TypeScript in production codebases. We write typed code, and we expect you to understand why. Strong command of RESTful API design, authentication patterns (OAuth 2.0, JWT), and API security best practices for enterprise environments. Proven experience with SQL and NoSQL databases, query … Azure), and infrastructure-as-code principles. Highly Preferred (These Will Set You Apart) Salesforce development experience: Apex, Lightning Web Components (LWC), Visualforce, or Salesforce API integrations. If you know both Node.js and Salesforce, you are a rare and extremely valuable candidate to us. Experience building or contributing to Salesforce ...

Remote Senior Node.js Developer (UK)

Hiring Organisation
Flosum
Location
Queensbury, West Yorkshire, UK
Employment Type
Full-time
Googling it. Deep experience with TypeScript in production codebases. We write typed code, and we expect you to understand why. Strong command of RESTful API design, authentication patterns (OAuth 2.0, JWT), and API security best practices for enterprise environments. Proven experience with SQL and NoSQL databases, query … Azure), and infrastructure-as-code principles. Highly Preferred (These Will Set You Apart) Salesforce development experience: Apex, Lightning Web Components (LWC), Visualforce, or Salesforce API integrations. If you know both Node.js and Salesforce, you are a rare and extremely valuable candidate to us. Experience building or contributing to Salesforce ...

Principal Developer

Hiring Organisation
Version 1
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
agile delivery methodology to ensure timely and high-quality delivery of software applications.Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation.Solution Documentation: Document solutions, including architecture, configuration, release, and support handover.Stakeholder Collaboration: Collaborate and liaise with other … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

Remote Senior Frontend Engineer, Marketing Website

Hiring Organisation
Synthesia
Location
Manchester, UK
Employment Type
Full-time
accordingly. The defining challenge of this role is composability: a marketing site that marketers, and increasingly AI agents, can build pages with, without breaking design, performance or SEO. You can expect to: Build, scale and evolve our section library: the Astro components, Sanity schemas and design tokens that … compose marketing pages consistently and accessibly. Own the content model. Design schemas that resist misuse, so an editor, or an agent, can build a page that is correct by construction rather than correct by review. Take Figma component specs all the way to production: responsive across mobile, tablet ...

Remote Senior Frontend Engineer, Marketing Website

Hiring Organisation
Synthesia
Location
Morpeth, Northumberland, UK
Employment Type
Full-time
accordingly. The defining challenge of this role is composability: a marketing site that marketers, and increasingly AI agents, can build pages with, without breaking design, performance or SEO. You can expect to: Build, scale and evolve our section library: the Astro components, Sanity schemas and design tokens that … compose marketing pages consistently and accessibly. Own the content model. Design schemas that resist misuse, so an editor, or an agent, can build a page that is correct by construction rather than correct by review. Take Figma component specs all the way to production: responsive across mobile, tablet ...

Remote Senior Frontend Engineer, Marketing Website

Hiring Organisation
Synthesia
Location
Cleckheaton, West Yorkshire, UK
Employment Type
Full-time
accordingly. The defining challenge of this role is composability: a marketing site that marketers, and increasingly AI agents, can build pages with, without breaking design, performance or SEO. You can expect to: Build, scale and evolve our section library: the Astro components, Sanity schemas and design tokens that … compose marketing pages consistently and accessibly. Own the content model. Design schemas that resist misuse, so an editor, or an agent, can build a page that is correct by construction rather than correct by review. Take Figma component specs all the way to production: responsive across mobile, tablet ...

Remote Senior Frontend Engineer, Marketing Website

Hiring Organisation
Synthesia
Location
Chester Le Street, County Durham, UK
Employment Type
Full-time
accordingly. The defining challenge of this role is composability: a marketing site that marketers, and increasingly AI agents, can build pages with, without breaking design, performance or SEO. You can expect to: Build, scale and evolve our section library: the Astro components, Sanity schemas and design tokens that … compose marketing pages consistently and accessibly. Own the content model. Design schemas that resist misuse, so an editor, or an agent, can build a page that is correct by construction rather than correct by review. Take Figma component specs all the way to production: responsive across mobile, tablet ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Atherton, Greater Manchester, UK
infrastructure at massive scale, and help define how self-improving AI agents operate real-world AI infrastructure. Remote based in the UK Responsibilities Design and build production AI agent systems that diagnose, investigate, and remediate infrastructure issues across one of the world’s largest GPU fleets. Build the distributed … production into reliable, reviewed software and automation. Requirements 5+ years of experience building production backend systems, distributed systems, or infrastructure platforms. Strong systems design skills and experience owning significant systems from design through production. Depth in at least one of the following: AI agent systems, orchestration, tool ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Pontefract, West Yorkshire, UK
infrastructure at massive scale, and help define how self-improving AI agents operate real-world AI infrastructure. Remote based in the UK Responsibilities Design and build production AI agent systems that diagnose, investigate, and remediate infrastructure issues across one of the world’s largest GPU fleets. Build the distributed … production into reliable, reviewed software and automation. Requirements 5+ years of experience building production backend systems, distributed systems, or infrastructure platforms. Strong systems design skills and experience owning significant systems from design through production. Depth in at least one of the following: AI agent systems, orchestration, tool ...

Remote Senior Software Engineer Infra Agent Systems UK

Hiring Organisation
Together Ai
Location
Newcastle upon Tyne, UK
infrastructure at massive scale, and help define how self-improving AI agents operate real-world AI infrastructure. Remote based in the UK Responsibilities Design and build production AI agent systems that diagnose, investigate, and remediate infrastructure issues across one of the world’s largest GPU fleets. Build the distributed … production into reliable, reviewed software and automation. Requirements 5+ years of experience building production backend systems, distributed systems, or infrastructure platforms. Strong systems design skills and experience owning significant systems from design through production. Depth in at least one of the following: AI agent systems, orchestration, tool ...

Hybrid API & Java Microservices Engineer - Spring Boot

Location
Leeds, England, United Kingdom
Yorkshire Building Society Group is seeking a Software Development Engineer for API & Microservices to design, develop and test Java Spring Boot microservices that support digital platforms in a hybrid Leeds/Bradford environment. You will work with API design, pipelines, and monitoring while collaborating with tech ...

Cloud Engineer

Hiring Organisation
Hackajob Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Part Time
their core mission capabilities. Youll 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. Youll be encouraged to identify new ways of solving problems and get to work … these, but if not well 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 ...

AWS Cloud Engineer - Hybrid - MCR or LDN

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Kanban, SAFe or XP Strong communication, collaboration and problem-solving skills Willingness to learn new technologies and work across different project environments Microservices and API design Docker, Kubernetes, EKS or ECS AWS monitoring, observability and FinOps CI/CD tools such as Jenkins, Bamboo, TeamCity or Bitbucket Candidates ...

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 ...

Remote Senior Frontend Engineer

Hiring Organisation
Reactive Markets
Location
Hoyland, South Yorkshire, UK
Employment Type
Full-time
MobX, or similar) for demanding, data-dense trading interfaces Distributed systems and real-time data over REST, WebSockets, and network protocols Architecture and solution design for the hardest technical problems the team faces Observability and monitoring — dashboards, alerting, and metrics that make frontend behaviour visible Production systems that handle … your Rust is still developing, a strong track record of picking up new languages to depth quickly is essential Strong grasp of distributed systems, API design, and real-time data (REST, WebSockets, network protocols such as TCP/UDP and binary protocols) Comfortable reasoning about architecture and making ...

Full Stack Developer

Location
Manchester, England, United Kingdom
Node.js REST APIs. Write TypeScript across the stack, working within a strict typing culture that leans on the compiler to catch mistakes early. Design and implement REST endpoints following the team’s established API conventions. Work with real-time features as part of the platform’s live-update … hooks and renderingbehaviour, not just general familiarity with acomponentframework. Experience building REST APIs on Node.js. Nice tohave: exposure to schema-first or contract-first API design — Express withOpenAPIor equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit ...

Remote Staff Software Developer (Kotlin Libraries)

Hiring Organisation
Jetbrains
Location
Euxton, Lancashire, UK
used by hundreds of thousands of developers Become an expert in specific domains of computer science and software engineering Be part of a design committee that decides how the Kotlin API should be shaped Participate in creating standard Kotlin tools, specifications and language features Preferable: JVM development experience … down to the implementation details of the Java standard library Strong understanding of the domain you've been working with Ability to write design documents for complex systems with strong reasoning behind each trade-off and technical decision Experience in performance engineering or API design In general ...