22 of 22 Remote/Hybrid API Design Jobs in the North of England

Integration Architect

Location
Newcastle upon Tyne, England, United Kingdom
DNA. Invest in us andwe’llinvest in you!. Job Description We are looking for an experienced Integration Solutions Architect to lead the design, governance and modernisation of enterprise integration solutions across cloud-native, legacy and external partner environments. The role will have a strong focus on Microsoft Azure … Azure API Management (APIM) , designing secure, scalable and resilient integration architectures. You will work closely with engineering, platform, DevOps and architecture teams to establish API standards, integration patterns, automated deployment approaches and secure connectivity across Azure environments. Key Responsibilities Lead the end-to-end architecture and design ...

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
Merseyside, United Kingdom
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
Durham, United Kingdom
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
Redcar and cleveland, United Kingdom
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 Frontend Engineer, Marketing Website

Hiring Organisation
Synthesia
Location
Lancashire, United Kingdom
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
West yorkshire, United Kingdom
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
Greater manchester, United Kingdom
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 ...

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
Greater manchester, United Kingdom
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 ...

Remote Senior Frontend Engineer

Hiring Organisation
Reactive Markets
Location
Tyne and wear, United Kingdom
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 ...

Remote Senior Frontend Engineer

Hiring Organisation
Reactive Markets
Location
West yorkshire, United Kingdom
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 ...

Senior Software Engineer

Location
Manchester, England, United Kingdom
enabled capabilities that drive innovation and productivity improvements.Collaborate with architects, engineers, business stakeholders, and delivery teams to achieve successful outcomes.Participate in solution design discussions, ensuring long-term scalability, maintainability, and resilience.Maintain high engineering standards through testing, peer reviews, continuous improvement, and knowledge sharing.Investigate and resolve complex technical challenges while … full-stack application development within enterprise environments.Proficiency in C#, .NET, and modern front-end development.Experience designing, developing, and supporting scalable web applications.Strong understanding of API design, systems integration, and distributed application architectures.Expertise in relational database design, data modelling, performance optimisation, and data management.Experience working throughout the software ...

AI Engineer

Location
Newcastle upon Tyne, England, United Kingdom
templates, and agentic workflows, and wire them into application logic that connects with the department's legacy and multi-cloud systems. Prompt Engineering & Evaluation Design, test, and iterate on prompts and retrieval strategies; run structured evaluations to track answer quality, retrieval accuracy, and hallucination rate over time. Responsible … build can be understood and maintained by internal government engineers. Required Skills & Experience Practical experience building applications using LLMs or other foundation models, via API or self-hosted Experience with RAG architectures, vector databases, and embedding-based retrieval Solid general-purpose programming (commonly Python) and API design ...

Senior Embedded UI Engineer, Streaming — Hybrid

Location
Manchester, England, United Kingdom
feature or project simply because that problem needs to be solved and shipped. But that individual must work together with different engineering teams, UI design, product teams, and business leadership to make things happen, which means that engineers succeed here because they can maintain that independent spirit and motivation … responsibilities of the role? Develop core features of the Roku Channel app and Roku OS. Work closely with Product Development, UI/UX design, Platform Services, and Release Management teams to contribute to our application development.Investigate, diagnose and resolve issues. What experience would help someone be successful in this ...

Java Developer: Microservices & Modernisation (Hybrid)

Location
Sheffield, England, United Kingdom
date in April 2027. You will move an existing PCF-based app to an internal BYOC platform, focusing on back-end services and API design. Responsibilities include building APIs and microservices, collaborating with a cross-functional team, and delivering in an Agile CI/CD environment. #J-18808-Ljbffr ...

Remote Full Stack Engineer (Backend Heavy)

Hiring Organisation
QuantumLoopAi
Location
East riding of yorkshire, United Kingdom
using Node.js, TypeScript, and NestJS within a distributed microservices architecture. Build responsive, intuitive user interfaces using React, Next.js and TypeScript to complement backend capabilities. Design, optimise and maintain MySQL databases for high-performance, high-availability applications. Contribute to CI/CD pipelines and automate build, test and deployment processes … using Node.js and TypeScript. Proficiency in developing user interfaces using React, Next.js and modern frontend frameworks. Strong understanding of distributed systems, microservice architecture and API design. Expertise in creating secure, scalable RESTful APIs and/or GraphQL endpoints. Experience building responsive UIs using React, Next.js, Redux and TypeScript, with ...

Senior .NET Full-Stack Engineer: AI-Enabled Cloud

Location
Manchester, England, United Kingdom
Capgemini in Manchester is seeking a Senior Dot Net Engineer to design, build and maintain scalable enterprise applications. You will work with cross-functional teams, apply AI-enabled approaches and ensure high quality delivery in a hybrid environment combining office, client sites and remote work. The role emphasises modern … .NET technologies, API design, data modelling and agile delivery within enterprise settings, with opportunities for continuous learning and growth. #J-18808-Ljbffr ...