751 to 775 of 852 REST Jobs in the UK

Software Engineer (Backend / Full-Stack) - Go, X.509, React

Hiring Organisation
Adecco
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£40000 - £70000/annum Benefits
tools and platforms * Collaborating with engineering teams across software, networking and infrastructure About You Backend Development * Commercial experience developing applications in Go (Golang) * Strong REST API development experience * PostgreSQL database experience * Knowledge of ORM frameworks, ideally GORM * Understanding of concurrent programming concepts including goroutines, channels and mutexes * Experience with Docker … creating an inclusive recruitment process for all applicants. We are on the client's supplier list for this role. Keywords: Go, Golang, Gin, REST API, PostgreSQL, GORM, Docker, React, JavaScript, ES6, Axios, Tailwind CSS, JWT, mTLS, X.509, Terraform, Vault, Consul, InfluxDB, WebSockets, SSE, CI/CD, Microservices, Cloud Native, Distributed ...

Senior Frontend Developer

Location
Bracknell, England, United Kingdom
experience. Join our team in Peterborough or Bracknell office ( HYBRID ) Essential skills: React, TypeScript, HTML, CSS/SCSS Desirable skills: Redux, Micro-frontend architecture, REST APIs, CI/CD pipelines, AI-assisted development tools What you will do Design, develop, test, and maintain high-quality frontend features using React … inclusive, global workplace that fosters innovation and celebrates partnership. Work-Life Balance: Policies built on mutual trust and support, encouraging time off to rest, recharge, and reconnect. Global Mobility: Comprehensive support for international relocations and permanent residency processes. Equal Opportunities and Accommodations Statement Epicor is committed to creating a workplace ...

Data Engineer II (Data Platform)

Location
Oxford, England, United Kingdom
documentation, and governance. Platform & Software Engineering Write production Java and Python code across our evolving platform stack — from data ingestion and event processing to REST services and internal tooling. Build and maintain streaming and batch processing systems (Flink, Spark, Kafka) that power real‐time and analytical workloads. Take responsibility … Hive, BigQuery, Snowflake) and working with terabyte‐scale or larger datasets. Solid foundation in data structures, algorithms, and object‐oriented design. Professional experience building REST services and working with event queue systems. Familiarity with Linux and cloud infrastructure design on AWS or equivalent cloud providers. Systems performance and tuning experience ...

API Architect

Hiring Organisation
CSI GLOBAL LTD
Location
London, UK
Employment Type
Full-time
modern architect who actively utilizes AI-driven engineering tools to optimize workflows, accelerate design phases, and maintain a competitive edge. Key Responsibilities API Technology & REST Standards Design. Define, design, and enforce strict REST API standards and governance across all enterprise services, ensuring high-throughput, security, and resilience. Implement advanced architectural ...

Network DevOps Engineer

Hiring Organisation
Eclectic Recruitment
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
network Source of Truth concepts and applications. • Experience working with JSON, YAML, Jinja2 and other common data structures, serialisation and templating technologies. • Familiarity with REST and/or GraphQL APIs and modern API-driven development. • Understanding of core networking principles, including TCP/IP, UDP, DNS, routing, switching, subnetting … with Python testing methodologies and the ability to develop an automated testing strategy for network automation applications and APIs. • Experience designing, consuming and integrating REST and GraphQL APIs, with exposure to technologies such as Django REST Framework, FastAPI and Pydantic. • Strong understanding of DevOps principles and software engineering best practices. ...

Lead Software Engineer (Frontend) Fleet

Location
Hull and East Yorkshire, England, United Kingdom
make thoughtful product/UX trade-offs. Translate high-fidelity wireframes into accessible, performant, and delightful interfaces. Build for Real Operational Scale: Integrate complex REST and GraphQL APIs to power interactive interfaces that remain highly responsive when customers manage hundreds of live sensors concurrently. Steward the Design System: Champion … mitigation, and safe sensitive data handling—partnering with backend and security teams to neutralize risks. API Collaboration: Partner with the Lead Backend Engineer on REST and GraphQL contract designs, utilizing OpenAPI specs to ensure frontend and backend architectures evolve in lockstep. Operational Excellence: Own features completely from design to production ...

Band 7 Senior Integration Programmer

Hiring Organisation
University Hospitals Birmingham NHS Foundation Trust
Location
Birmingham, B15 1JD, United Kingdom
Salary
£49387.00 to £56515.00
Senior Integration Programmer to join our specialist IT Services team. You will work with technologies including Rhapsody, HL7, FHIR, XML, JSON and REST services, taking a leading role in designing, developing, testing and improving integration solutions. This is an opportunity to join a skilled and supportive team where your expertise … Design, develop, test and support integrations that enable secure exchange of information across clinical and corporate systems. *Create integration solutions using Rhapsody, HL7, FHIR, REST services, XML and JSON. *Lead technical delivery on integration projects, ensuring solutions are robust, reliable and meet best practice. *Investigate, troubleshoot and resolve issues, helping ...

.NET Developer - SaaS

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
/.NET Core Developing new features across a cloud based SaaS platform Working with Vue/TypeScript on front-end functionality Building/Integrating REST APIs Working with Azure services and cloud-hosted applications Participate in code reviews and technical discussions Using AI coding tools to support development and improve … productivity Essential Skills Commercial experience with .NET Core Experience with a modern front-end (Vue/React/Angular) REST APIs Some experience using AI tools (Claude/CoPilot) Previous SaaS or Product experience Experience with Azure or cloud-based applications would be beneficial. Benefits Salary ...

.NET Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
/.NET Core Developing new features across a cloud based SaaS platform Working with Vue/TypeScript on front-end functionality Building/Integrating REST APIs Working with Azure services and cloud-hosted applications Participate in code reviews and technical discussions Using AI coding tools to support development and improve … productivity Essential Skills Commercial experience with .NET Core Experience with a modern front-end (Vue/React/Angular) REST APIs Some experience using AI tools (Claude/CoPilot) Previous SaaS or Product experience Experience with Azure or cloud-based applications would be beneficial. Benefits Salary ...

Back-End Engineer, Trading

Location
Greater London, England, United Kingdom
Platform, you will build the backend services that power our internal and external trading products — from order management and market data processing to the REST APIs and WebSocket streams that serve our web and mobile clients. You'll work closely with product, engineering, and trading teams, and contribute … Develop and improve services for order management, market data processing, and trade lifecycle handling in a real-time, high-volume environment. Build and maintain REST APIs and WebSocket streams that deliver real-time prices, order updates, and account data. Collaborate with cross-functional teams — product, frontend, trading — to adapt ...

Software Engineer – Backend

Location
Greater London, England, United Kingdom
fault tolerance, high availability, and low latency at petabyte scale. Contribute to the evolution of an API-first platform, designing clean, versioned, extensible APIs (REST/gRPC) for control, automation, and integration. Own API lifecycle management including versioning, backward compatibility, deprecation strategies, and governance; ensure APIs are intuitive, consistent … capabilities to improve operational transparency and supportability. Design and implement secure-by-design systems with strong authentication, authorization, RBAC, encryption (in transit and at rest), and audit logging. Collaborate with security teams to ensure compliance with enterprise and regulatory standards. Design systems for fault tolerance, graceful degradation, disaster recovery ...

ServiceNow Developer

Hiring Organisation
Morgan Philips Group
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£60000 - £75000/annum and Benefits
design, development and implementation of ServiceNow solutions. Work closely with architects, platform owners and stakeholders to deliver best-practice solutions. Develop integrations using IntegrationHub, REST/SOAP APIs and MID Servers. Conduct code reviews, technical assessments and platform optimisation. Mentor consultants and developers while contributing to practice growth and innovation. … areas: ITSM, ITOM, ITAM, CSM, HRSD, SPM, SecOps or IRM. Strong knowledge of JavaScript, Glide API, Flow Designer, IntegrationHub, Service Portal, UI Builder and REST/SOAP APIs. Experience working in enterprise, managed service or consulting environments. Agile delivery experience and excellent stakeholder management skills. Desirable Discovery & Service Mapping Performance ...

Full Stack Web Developer

Hiring Organisation
Head Resourcing
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum Benefits
applications. Enhance customer self-service portals and digital customer journeys. Design and maintain integrations with CRM, billing and other business systems. Develop and consume REST APIs, web services and webhooks. Participate in the full software development lifecycle, from design through to deployment and support. Contribute to technical standards, performance improvements … skills. Experience with Shopify. Excellent front-end skills including HTML, CSS and JavaScript . Strong PHP development experience. Experience working with SQL databases and REST APIs. A solid understanding of integrations, authentication and web security. Git/version control experience and strong troubleshooting skills. Desirable Experience Microsoft Dynamics ...

Golang Software Engineer

Location
United Kingdom
Skills: Golang, Microservices, Agile, Kafka, Docker, REST Web Services, CI/CD Work Mode: Full Time Job Status: Open Follow Us On: We are looking for Golang Developer to join our team, who will work closely with development team to develop new system capabilities as defined within the technical/… type safe programming language (Golang Preferred but other experience can be considered) Comfortable/experienced with back-end micro-service architecture and communication, specifically REST and asynchronous messaging services (e.g., Kafka, RabbitMQ etc.) Comfortable/experience within a Scrum framework working with as part of a team to deliver business ...

Senior Software Engineer Engineering · London · On-site

Location
Greater London, England, United Kingdom
through Terra — from upstream data suppliers (wearables, health apps, sensors) into our unified schema, and out to downstream developers and AI consumers via our REST API, Streaming API, and webhooks. This is not a maintenance role. You will build new data connectors, scale real-time streaming pipelines, harden our authentication … backend engineering.You have shipped systems that handle real traffic at scale. Not toy projects — real, battle-tested infrastructure. Deep API design experience.You've built REST APIs consumed by external developers. You understand versioning, rate limiting, pagination, error handling, and what it takes to make a developer love your API. Strong ...

Python Developer

Hiring Organisation
Queen Square Recruitment Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£420/day
automation solutions, backend services, and tooling supporting large-scale telecom network operations. Working closely with QA, Network Engineering, and DevOps teams, you will build REST APIs, automation scripts, and data-driven applications that improve testing, monitoring, and operational efficiency across 5G and enterprise platforms. Key Responsibilities Develop and maintain Python … DevOps teams to deliver scalable automation solutions. Skills & Experience Essential: 4+ years of Python development experience in automation or backend development. Experience building REST APIs using Flask or FastAPI. Knowledge of HTML/CSS and Jinja2. Experience with SQL and NoSQL databases. Strong Linux administration and Bash scripting skills. Experience ...

Service Now Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Telford, Shropshire, United Kingdom
Employment Type
Full-Time
Salary
£740.00 per day
Build and maintain record producers, forms, workflows, catalog items, notifications and case management capabilities. Configure Employee Centre experiences and user journeys. Develop integrations using REST APIs, SOAP APIs and IntegrationHub. Support configuration of Virtual Agent and Now Assist capabilities. Participate in sprint planning, backlog refinement and technical design discussions. Support … agent workspaces and portal experiences. Strong ServiceNow scripting skills including JavaScript, Glide APIs and Flow Designer. Experience integrating ServiceNow with third-party applications using REST APIs, SOAP APIs and/or IntegrationHub. Experience supporting Agile delivery methodologies and test cycles. Strong analytical, troubleshooting and problem-solving skills. Essential Requirements ServiceNow ...

Service Now Developer

Hiring Organisation
Hays Technology
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£740/day Inside IR35
Build and maintain record producers, forms, workflows, catalog items, notifications and case management capabilities. Configure Employee Centre experiences and user journeys. Develop integrations using REST APIs, SOAP APIs and IntegrationHub. Support configuration of Virtual Agent and Now Assist capabilities. Participate in sprint planning, backlog refinement and technical design discussions. Support … agent workspaces and portal experiences. Strong ServiceNow scripting skills including JavaScript, Glide APIs and Flow Designer. Experience integrating ServiceNow with third-party applications using REST APIs, SOAP APIs and/or IntegrationHub. Experience supporting Agile delivery methodologies and test cycles. Strong analytical, troubleshooting and problem-solving skills. Essential Requirements ServiceNow ...

Pre-Sales Senior Engineer

Location
Greater London, England, United Kingdom
boilerplate and logic generation. Technical Asset Development: Design, build, and maintain reusable mock services in Node.js/TypeScript. You’ll implement contract-first APIs (REST/GraphQL), manage AWS deployments (API Gateway, Containers), and handle persistence using PostgreSQL or DynamoDB Infrastructure as Code: Manage demo environments using Terraform, ensuring environments … lifecycle. You aren't just using an AI assistant; you are "vibe coding" complete PoCs. API Design Expert: Experience designing clean, well-documented APIs (REST and/or GraphQL) and using Git/Github workflows effectively. Cloud & Infrastructure Knowledge: Familiarity with AWS primitives and a proven ability to deploy infrastructure ...

Lead Integration Developer

Hiring Organisation
Vital Energi Ltd
Location
Blackburn, Lancashire, North West, United Kingdom
Employment Type
Permanent
integration solutions aligned to business and technical requirements. - Develop integration roadmaps that support future business growth. System Integration: - Integrate business-critical systems using APIs, REST services, ETL processes, event-driven architectures and middleware technologies. - Work with application owners and business stakeholders to ensure seamless data exchange across platforms Governance & standards … with agile delivery and encryption techniques Technical Competencies: Integration platform as a service IPAAS, such as Workato or similar API Design, Development and management REST, JSON, SOAP and related integration standards SQL and database design, development and administration ETL and ETL pipeline development Phyton and C# development Data modelling ...

Software Engineer

Hiring Organisation
Nigel Wright Group
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full-Time
Salary
£39,000 - £45,000 per annum
Microsoft technologies Leading the delivery of integrations that enable organisational data to be managed and shared securely across multiple systems Developing and consuming REST APIs and designing reliable interfaces between applications Delivering cloud-based applications and integrations using Microsoft Azure Working with stakeholders to understand requirements and translate user stories … Microsoft .NET Framework Significant experience designing and developing complex software applications Extensive experience developing applications and integrations using Microsoft Azure Strong experience of REST APIs, interfaces and systems integration Excellent data access and manipulation skills using relevant frameworks and libraries Good front-end development experience, including HTML5, CSS3 and object ...

Senior Software Engineer (Java / Kotlin)

Location
Greater London, England, United Kingdom
backed by both SQL and NoSQL databases on AWS. If you're deep in the Java and Spring ecosystem (Spring Boot, Spring REST, Spring Data, resilience patterns like circuit breakers), you'll feel right at home. Experience with event-streaming and messaging tools like Kafka, EventBridge, SNS or SQS, Kubernetes … continual improvement of our engineering processes. Bonus points for: Deep experience with Java and the Spring ecosystem (Java 17+, Spring Boot, Spring REST and Spring Data, resilience patterns such as circuit breakers). Experience with event-streaming and messaging technologies (e.g. Kafka, EventBridge, SNS, SQS). Familiarity with Kubernetes tooling ...

Senior Software Engineer London, Greater London, England, United Kingdom

Location
Greater London, England, United Kingdom
testing, while actively considering operational concerns such as observability, logging, and alerting throughout the development lifecycle Experience designing quality APIs such as REST, gRPC, GraphQL, and OpenAPI, and integrating with 3rd party APIs API security knowledge across OAuth2, SAML, JWT, and related standards Strong grounding in software engineering best practices … help the team by: Leading code reviews Contributing to, proposing and reviewing technical standards Improving operational processes Mentoring more junior colleagues Java Vert.x Spring Rest APIs MySQL Microservices Kafka Spark NodeJS React AWS Terraform AngularJS Benefits Competitive compensation, variable bonus and performance‐based reward opportunities, and retirement programs Medical, dental ...

Senior Salesforce Engineer

Location
Greater London, England, United Kingdom
across areas such as object modelling, automation, security and sharing, integrations, and platform architecture. Build and support integrations between Salesforce and external systems using REST/SOAP APIs, platform events, and other appropriate integration patterns. Identify technical risks, dependencies, and trade-offs early, and communicate them clearly to both technical … Experience making or contributing meaningfully to technical design and architecture decisions, rather than only implementing predefined solutions. Experience integrating Salesforce with external systems using REST/SOAP APIs, platform events, or similar integration patterns. Strong understanding of automated testing, code quality, and code review practices. Experience working with Git-based ...

Solution Consultant

Location
Greater London, England, United Kingdom
stack — Architect and recommend integration patterns connecting Litera CRM with ERP/financial systems, marketing-automation platforms, document management, and data-enrichment providers via REST APIs, webhooks, and ETL pipelines.* Actionable intelligence through dashboards and reporting — Partner with customers to define KPIs and build reports that quantify pipeline health, relationship … management.* Demonstrated knowledge of CRM data architecture: relational data models, entity-relationship design, data normalization, and data-quality management.* Working knowledge of integration technologies — REST/SOAP APIs, OAuth, middleware/iPaaS tools (e.g., MuleSoft, Workato, Dell Boomi), and ETL processes.* Experience with CRM analytics, reporting tools, or BI platforms ...