1,376 to 1,400 of 1,623 Permanent REST Jobs

Senior Full Stack .Net Developer

Location
United Kingdom
descriptionTranslate in your browserChrome desktop can translate this description on-device without sending the text to LaraBench.### C# | .NET | ASP.NET Core | Vue 3 | TypeScript | REST APIs### £400–£450 per day | Outside IR35 | Remote UK | ContractWe’re looking for an experienced Senior Full Stack .NET Developer/.NET Contractor to join … established SaaS platform.### You'll work across:* C#/.NET/ASP.NET Core/.NET 5+* Vue 3/TypeScript/Composition API/* REST APIs & backend services* Automated testing & maintainable code* GitHub & modern development practices* AI-assisted development tools such as Claude CodeYou'll be joining an established distributed ...

Automation & Platform Engineer

Location
Newbury, England, United Kingdom
Support integration with vendor EMS/NMS, SDN controllers, cloud platforms, OSS, inventory, assurance, and orchestration systems.* Build secure API-based execution frameworks using REST APIs, TMF Open APIs, NETCONF/RESTCONF, gRPC, Graph APIs, and vendor-specific APIs.* Implement execution guardrails including policy validation, approval gates, rollback mechanisms … resilience requirements.## **Your Profile*** Experience in network automation, platform engineering, DevOps, cloud engineering, or telecom automation.* Strong hands-on experience with Ansible, Terraform, Python, REST APIs, and automation pipelines.* Experience with Kubernetes, Docker, microservices, CI/CD, and infrastructure-as-code.* Experience integrating with network controllers, OSS platforms, cloud platforms ...

Senior Python Backend Software Developer

Location
Greater London, England, United Kingdom
Engineer could be available to the right candidate. What you’ll be doing Implementing robust and scalable solutions in Python. Developing, using and designing REST APIs to efficiently deliver application components. Implementing performance improvement strategies. Ensuring the quality of code by writing comprehensive tests and participating in code reviews. What … apply new technology quickly Ability to effectively communicate complex technical concepts to team members and stakeholders. Familiarity with coding in Django and the Django Rest Framework, or Flask Web frameworks Degree in Computer Science (or similar), at 2:1 or above Amazon Web Services SQL/PostgreSQL Build pipeline ...

Camunda 8 Engineer

Location
Greater London, England, United Kingdom
deploy workflows using Camunda/Zeebe Translate business requirements into technical workflow solutions Implement BPMN/DMN-based process automation Integrate workflows with REST APIs, microservices, and external systems Optimise process performance, scalability, and reliability Monitor and troubleshoot workflow execution and operational issues Collaborate with product, architecture, DevOps, and backend … Certification strongly preferred Strong experience with: BPMN 2.0 DMN workflow orchestration Proficiency in Java/Spring Boot or equivalent backend technologies Experience with: REST APIs Kafka/RabbitMQ/messaging systems microservices event-driven systems Docker/Kubernetes Strong analytical and problem-solving skills Preferred/Desirable Experience with Camunda ...

Lead Java Developer – Integration Services

Location
Glasgow, Scotland, United Kingdom
have the following essential skills: Ample experience in Java 21–25 development, delivering scalable, high-performance enterprise applications. Validated expertise in Spring Boot 4.x, REST APIs, and Microservices, designing and implementing modern cloud‐native solutions. Ample understanding of integration patterns—API design, data transformation pipelines, and message-based architectures. Excellent … have the following essential skills: Ample experience in Java 21–25 development, delivering scalable, high-performance enterprise applications. Validated expertise in Spring Boot 4.x, REST APIs, and Microservices, designing and implementing modern cloud‐native solutions. Ample understanding of integration patterns—API design, data transformation pipelines, and message-based architectures. Excellent ...

Integration Tech Lead

Location
Guildford, England, United Kingdom
available. The Role Integration Architecture & Solution Design Lead the design and delivery of enterprise integration solutions Define integration architectures across Oracle Cloud platforms Design REST, SOAP, file-based, and event-driven integrations Establish reusable integration frameworks and templates Define integration error handling, logging, and monitoring strategies Ensure integrations follow best … teams Cross-functional technical teams Strong experience coordinating distributed teams across time zones is essential. Oracle Integration Cloud Development Lead and support delivery of: REST and SOAP integrations Orchestration integrations File-based integrations (HDL/FBDI/UCM/SFTP) Event-driven integrations API-based integrations Integration monitoring and troubleshooting ...

Principal Cloud Software Engineer

Hiring Organisation
Aveva Group
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
ResponsibilitiesLead the technical design and implementation of secure, resilient cloud platform capabilities for AVEVA CONNECT Core ServicesGuide architecture and engineering decisions across microservices, REST APIs, data design, CI/CD, and infrastructure as codeProvide technical leadership to development teams, supporting complex problem-solving, design reviews, and delivery qualityPromote cloud technologies … influencing engineering directionStrong design and coding skills, with a reputation for delivering high-quality technical outcomesExperience developing microservice or service-oriented architectures and designing REST APIsExperience with C#/.NET or multiple programming languages, plus a strong understanding of database design, CI/CD, and infrastructure as codeExperience with Microsoft ...

Senior .NET Engineer - Partner Integrations

Location
Cardiff, Wales, United Kingdom
ownership for partner integrations. Reporting to the Integrations Manager, you'll collaborate with external partners, lead developers, and compliance teams to design high-performance REST APIs. You'll oversee code releases, refine development processes, and advocate for Test-Driven Development (TDD) across our SDLC. You'll also leverage modern … remains robust, elegant, and secure. Lead and mentor engineering team members through architectural guidance and thorough code reviews. Design, build, and maintain high-performance REST APIs for data formats like XML, JSON, and SOAP. Manage end-to-end partner integration lifecycles from initial discovery to live, zero-downtime deployment. Partner ...

Principal Software Engineer

Hiring Organisation
Collinson Group
Location
London, UK
Employment Type
Full-time
vision for one of the most critical pillars in our Engineering organisation, our API platform, driving innovation across synchronous and asynchronous services built with REST, GraphQL, Kafka, and cloud-native technologies. You'll work hands-on with modern engineering tools and practices, partnering with talented squads to solve complex distributed … platformOur technology stack: You'll be working with a modern, forward-thinking stack including: TypeScript (Node.js & React)AWS (EKS, Lambda, Aurora RDS)KubernetesGraphQL & REST APIsKafkaTerraform & HelmGitHub ActionsDataDogSalesforce integrationsWhat we are looking for: You're a technically exceptional engineering leader who still loves being close to the code. What you bring ...

Senior .NET Engineer - Partner Integrations

Location
Cardiff, Wales, United Kingdom
ownership for partner integrations. Reporting to the Integrations Manager, you'll collaborate with external partners, lead developers, and compliance teams to design high-performance REST APIs. You'll oversee code releases, refine development processes, and advocate for Test-Driven Development (TDD) across our SDLC. You'll also leverage modern … secure. What you’ll bring Lead and mentor engineering team members through architectural guidance and thorough code reviews. Design, build, and maintain high-performance REST APIs for data formats like XML, JSON, and SOAP. Manage end-to-end partner integration lifecycles from initial discovery to live, zero-downtime deployment. Partner ...

Technical Lead (1142)

Hiring Organisation
BC Forward
Location
Brooklyn, Ohio, United States
Employment Type
Permanent
Salary
USD 70 Hourly
Estate Capital Originations Technology team supporting KeyBank's Commercial Real Estate lending business. The ideal candidate will have strong experience in .NET/C#, REST API design, SQL, enterprise integrations, CI/CD, cloud/SaaS architectures and a proven ability to lead solution architecture, guide engineering teams, and deliver … software engineering. 3+ years in technical leadership of teams or large-scale initiatives. Enterprise application design and support in complex environments. .NET/C#, REST APIs, and service-oriented architectures. SQL and relational databases, integrations, and middleware technologies. CI/CD pipelines and DevOps practices using Git, Azure DevOps, GitLab ...

Salesforce Senior Dev/Tech Lead

Location
Slough, England, United Kingdom
Lead Management Opportunity Management Account & Contact Management Forecasting Reporting & Dashboards Implement business process automation and user productivity enhancements. Integration & Technical Architecture Design integrations using: REST APIs SOAP APIs Platform Events Middleware platforms Azure Integration Services MuleSoft (preferred) Develop asynchronous integration frameworks using: Queueable Apex Future Methods Batch Apex Scheduled Apex … Experience Cloud Apex Development Lightning Web Components (LWC) Salesforce Flows SOQL & SOSL Salesforce Security Model Sharing & Visibility Design Custom Metadata & Custom Settings Integration Skills REST APIs SOAP APIs Platform Events Named Credentials Connected Apps OAuth Authentication Middleware Integration Patterns DevOps & Tools Salesforce DX Git Azure DevOps Copado Jenkins (desirable ...

Senior Frontend Engineer

Location
Digswell, England, United Kingdom
create high traffic applications. Perhaps using Express.js, Sails, Koa or similar Awareness and practice of UI performance best practices Understanding and exposure to integrating REST API and GraphQL endpoints Strong experience and understanding of industry standard web accessibility, web design & usability; to support sites cross browser/platform/device … thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you. We always welcome ...

Lead Software Engineer - Product Safety

Location
Hook, England, United Kingdom
Manufacturing, and Regulatory systems. Your Responsibilities: Act as the Subject Matter Expert for the RX Logic SaaS platform, architecting robust API patterns (REST, GraphQL, JSON) to connect the platform with upstream and downstream systems across R&D, Manufacturing, and Regulatory. Design and build scalable, full-stack solutions across front … centric design, Twelve-Factor App) and delivering cloud-native solutions on Microsoft Azure or Google Cloud. Proven experience architecting and building API integration patterns (REST, GraphQL, JSON) connecting SaaS platforms with enterprise systems. Hands-on full-stack engineering experience (TypeScript, JavaScript, Node.js, Next.js/React) within a DevSecOps culture, including ...

AI and automation developer

Location
Manchester, England, United Kingdom
Server data models that other systems depend on, with care for existing live data. Build and maintain integrations with third-party products via REST APIs and webhooks. Use AI coding agents to move quickly on complex, multi-step tasks, while taking full ownership of the result - including correctness, edge cases …/export capabilities Solid relational database skills: writing, reading and debugging SQL. T-SQL/SQL Server is strongly preferred. Experience building and consuming REST APIs and webhooks, including dealing with failures, retries and inconsistent third-party behavior. Comfortable working across front end and back end rather than a single ...

Technical Architect

Location
Greater London, England, United Kingdom
Define reusable engineering patterns for service design, configuration, observability, error handling, resilience and maintainability. Guide teams on Spring Boot best practice, including dependency management, REST API design, testing approaches and integration patterns. Support decisions around modularity, service boundaries, domain modelling and data ownership. Review designs and implementation approaches to ensure … Lead Engineer within large public‐sector, government or regulated environments. Strong background in Java and Spring Boot service design and delivery. Experience designing REST APIs, microservices and integration patterns. Good understanding of event‐driven architecture, messaging and asynchronous processing. Experience with cloud‐hosted platforms, CI/CD, monitoring and operational ...

Lead Software Engineer

Hiring Organisation
DTCC- The Depository Trust & Clearing Corporation
Location
London, UK
Employment Type
Full-time
develop, test, and deploy Appian applications, including process models, records, interfaces, reports, business rules, and integrations. Develop and support integrations with enterprise systems using REST/SOAP APIs and modern authentication mechanisms. Collaborate with business stakeholders, product owners, architects, and development teams to deliver innovative business solutions. Drive application quality … development experience delivering enterprise applications. Strong expertise in Appian Process Models, SAIL, Records/Data Fabric, Security, Reports, Rules, and Integrations. Experience with REST APIs, SQL, relational databases, and Agile development methodologies. Strong analytical, problem-solving, and communication skills. Appian Certified Senior Developer (or higher) preferred. Experience building workflow, case ...

Senior Software Engineer (Full Stack)

Location
Farnborough, England, United Kingdom
technologies. Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy. Contribute to full‐stack delivery, including: Backend services and REST APIs implemented in Java; Modern single‐page applications implemented using React/TypeScript or equivalent frameworks. Make technical decisions within assigned scope, aligning with agreed … need from me? Software engineering experience, including substantial hands‐on delivery using: Java (Java 8 and modern Java versions such as 17 and 21) REST API design and implementation Modern SPA development experience (required) using React and TypeScript, Angular, or Vue. Strong understanding of design patterns and a solid, structured ...

Data Engineer

Location
Manchester, England, United Kingdom
ingestion pipelines for both structured and semi-structured data. Source and integrate data from operational databases, applications and third-party platforms. Develop integrations with REST APIs and other external data services. Extract, process and transform semi-structured data formats such as JSON and XML. Monitor ingestion processes and implement controls … working in Agile delivery teams. Technology Stack Core Technologies Snowflake (Data Warehouse) SQL Python GitHub CI/CD Pipelines Data Engineering & Automation DBT Windmill REST APIs JSON/XML Processing Nice to Have Streamlit Financial Services/Banking Domain Knowledge Personal Attributes Self-motivated and proactive. Strong attention to detail. ...

Senior Network Automation Engineer / Software Developer

Location
London Borough of Bromley, England, United Kingdom
well-documented code. Troubleshoot complex issues across network, software and automation domains. Lead peer code reviews and establish engineering standards across the team. Design REST APIs and service integrations that enable infrastructure self-service and operational automation. Infrastructure Automation & DevOps: Build and maintain CI/CD pipelines supporting automated testing … VLANs VRFs Routing and switching architectures Enterprise data centre networking Development & Automation Expert-level experience with: Python Linux (Ubuntu, CentOS or equivalent) REST APIs Git-based development workflows CI/CD pipelines Automated testing frameworks Hands-on experience with: Ansible Itential Nautobot Terraform Network orchestration platforms Software Defined Networking Experience ...

Senior Network Automation Engineer / Software Developer

Location
Greater London, England, United Kingdom
well-documented code. Troubleshoot complex issues across network, software and automation domains. Lead peer code reviews and establish engineering standards across the team. Design REST APIs and service integrations that enable infrastructure self-service and operational automation. Infrastructure Automation & DevOps Build and maintain CI/CD pipelines supporting automated testing … VLANs VRFs Routing and switching architectures Enterprise data centre networking Development & Automation Expert-level experience with: Python Linux (Ubuntu, CentOS or equivalent) REST APIs Git-based development workflows CI/CD pipelines Automated testing frameworks Hands-on experience with: Ansible Itential Nautobot Terraform Network orchestration platforms Software Defined Networking Experience ...

REST & .NET Developer (ONSITE – Basildon)

Location
United Kingdom
LocationBasildon, United Kingdom# REST & .NET Developer (ONSITE – Basildon) at N Consulting LtdLocationBasildon, United KingdomSalary£300 - £350/dayJob TypeContractDate PostedApril 25th, 2026Apply Now We’re Hiring – Services Conversion to REST & .NET Developer (ONSITE – Basildon) We’re looking for a skilled REST & .NET Services Developer to join our team in Basildon … reliability • Collaborate with cross-functional teams and stakeholders What we’re looking for: • Strong experience with .NET (C#, ASP.NET Web API) • Proven experience in REST API development and service conversion • Understanding of microservices architecture • Experience with integration patterns and middleware • Ability to work in a hybrid setup (Basildon-based) Nice ...

Network DevOps Engineer

Location
West of England, England, United Kingdom
design and implement a testing strategy from the ground up for our network automation applications and APIs. Strong experience designing, consuming, and integrating REST and GraphQL APIs using frameworks such as Django REST Framework, FastAPI and Pydantic. Proficiency working with standard data structures, serialisation, and templating languages (e.g., JSON, YAML ...

Software Developer (.NET & Azure)

Location
United Kingdom
Engineer Full-Time/Contract TBA Job Summary: We are seeking an experienced Software Developer with strong skills in .NET technologies, Azure cloud services, REST API development, and SQL Server. The ideal candidate will have a proven track record in building scalable business applications, working in Agile teams, and delivering … across both backend and frontend environments. Job Description: We are seeking an experienced Software Developer with strong skills in .NET technologies, Azure cloud services, REST API development, and SQL Server . The ideal candidate will have a proven track record in building scalable business applications, working in Agile teams ...

Oracle Cloud Integration Developer

Location
Maidenhead, England, United Kingdom
page misbehaves, find whether the cause is their personalisation, a configuration or an extension, and fix it at that layer Work with Fusion REST and SOAP APIs: test them in Postman or SoapUI, secure them with OAuth, and renew certificates before they expire Deploy cleanly: Git, peer review, automated pipelines … depth: integrations you designed, built and then supported in production, including on Oracle Integration 3, with the Oracle ERP Cloud and HCM Cloud adapters, REST, SOAP and SFTP Fusion extensions and configuration you shipped with Visual Builder Studio, Page Composer and well managed sandboxes Data you moved ...