1 to 25 of 39 REST Jobs in the City of London

.Net Developer

Hiring Organisation
Wave Talent
Location
City of London, London, United Kingdom
Work within Agile/Scrum delivery teams Required Skills & Experience Strong commercial experience with C# and .NET/.NET Core Experience building and consuming REST APIs Solid understanding of object-oriented design and software engineering principles Experience with SQL Server and relational databases Familiarity with unit testing frameworks (e.g. xUnit ...

Solution Architect – Kafka & Payments (Banking Domain)

Hiring Organisation
UNITECH
Location
City of London, London, United Kingdom
high-availability and scalable system design Technical Skills Apache Kafka (Core, Streams, Connect) Java/Scala/Python (at least one preferred) Microservices architecture REST & event-driven APIs SQL & NoSQL databases CI/CD pipelines Monitoring tools (Prometheus, Grafana ...

Test Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £435/day
scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs and services Familiarity with CI/CD tools (e.g. Jenkins, GitHub Actions, Azure DevOps) Solid understanding of software testing ...

Senior Software Engineer

Hiring Organisation
JNC Recruitment Limited
Location
City of London, London, United Kingdom
Angular development and principles (TypeScript, HTML, CSS/SCSS) Strong SQL Server (T-SQL) Experience of building and consuming web services and APIs (SOAP, REST using XML, JSON ) In line with the Conduct Regulations 2003, when advertising permanent vacancies JNC Recruitment are acting as an Employment Agency, and when advertising ...

Lead Developer - Angular/C# - Financial Services

Hiring Organisation
Harvey Nash
Location
City of London, London, United Kingdom
Circa 10+ years’ software development experience, ideally with recent team‐lead responsibilities Strong full‐stack expertise: Angular 16+, C#, .NET 8+, Typescript, SQL Server, REST APIs (Focus on UI Development of modern web apps) Experience with NHibernate/Entity Framework, Git, Jira, Confluence Ability to navigate complex multi‐system environments ...

Quality Assurance Automation Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Behavioral Testing: BDD implementation using SpecFlow or Reqnroll . Modern UI & API: Advanced automation utilizing Playwright and Selenium for both interface and deep-layer REST API validation. Cloud-Native Infra: Working within Azure environments, specifically leveraging AKS (Kubernetes) and Service Bus architectures. CI/CD & AI: Fully integrated pipelines ...

ServiceNow Development Manager

Hiring Organisation
Veolia
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£83500/annum Car, Pension, Bonus, Medical
certifications 3+ years people management experience in technical environments Expert knowledge of ServiceNow modules (ITSM, ITOM, HRSD, CSM) Strong experience with JavaScript, REST/SOAP APIs, and system integrations Proven track record of delivering complex ServiceNow implementations Excellent communication and stakeholder management skills Experience with SAFe/Agile/Scrum ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
KISS principles, decomposition principles, and resolving monolith vs. microservices trade-offs. Experience with SQL and NoSQL databases. Best practices in building scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills ...

Principal Software Engineer - (Frontend & Mobile)

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
module federation, stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools ...

Head of Engineering

Hiring Organisation
Zeus® | AI-Powered Logistics
Location
City of London, London, United Kingdom
/S/4HANA patterns), TMS, WMS, carrier/telematics platforms, customer master systems Own integration architecture across: Inbound/outbound APIs (REST/JSON), event-driven messaging (queues/topics), batch feeds, file-based interfaces (S3-based exchanges), structured email fallbacks Demonstrate practical experience with API management and integration ...

Software Engineering Manager (UCX) (Mobile)

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
development in React Native is essential , with a strong grasp of front-end design patterns and best practices in mobile SDLC. Proven experience of REST/GraphQL API integration with mobile applications Solid understanding of mobile application fundamentals: iOS/Android app lifecycle, performance constraints and release management Proven hands ...

.NET Developer

Hiring Organisation
Lime Street Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
directly with business stakeholders Familiarity with modern development practices and willingness to introduce improvements Additional desirable skills and experience: WPF/MVVM development experience REST and gRPC experience Familiarity with Azure CI/CD + the agile development methodology Understanding of system architecture and security principles ...

Senior Quality Assurance Engineer Lead

Hiring Organisation
Chartermore Partners
Location
City of London, London, United Kingdom
workflows. Experience leading distributed or offshore QA teams. Strong understanding of Agile/Scrum environments. Technical Stack Exposure Playwright/Cypress Appium (mobile automation) REST API automation JavaScript/TypeScript Git-based workflows CI reporting dashboards Device farms and mobile test strategy Success Measures (First 6 Months) Achieve >70% regression ...

Freelance Principal DevOps Engineer - £day rate (outside IR35) London

Hiring Organisation
Red Badger Consulting Limited
Location
City of London, England, United Kingdom
code, monorepos, GitOps, branching and release strategies, etc.)Experience in designing system-level architecture and navigating trade-offs in web based systems (e.g. Microservices, REST APIs, CQRS)An understanding of information security including common attack vectors, awareness of relevant regulation and restrictions (e.g. PCI, GDPR...)Experience in design and testing ...

ACBS Developer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/Linux environments Familiarity with integration technologies (REST, SOAP, MQ) Version control tools (Git, Bitbucket ...

Identity & Access Management Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
transfer Some Active Directory management and least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail ...

Graduate Developer in Test

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
fundamentals Hard-working & driven mindset In this position, you will gain extensive knowledge across a broad variety of technological topics: ✅ Automation testing knowledge of REST APIs ✅ Software development experience in Java ✅ Identifying opportunities and executing improvements to quality process ✅ Developing automated tests and test frameworks ✅ Improving Continuous Integration pipeline ✅ Exposure ...

SAP BTP Lead

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
side-by-side extensions using CAP/RAP and low-code tools. Own integration and API strategies leveraging BTP Integration Suite (APIs, OData, REST/SOAP, event-driven patterns). Provide technical leadership, mentoring developers and ensuring adherence to coding standards and best practices. Manage BTP governance including subaccount design ...

Head of Mobile Engineering & Architecture - React & AWS

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900 per day + Outside IR35
module federation, stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools ...

Lead React Native Engineer / Engineering manager

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day + Outside IR35
/Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools ...

Azure AI Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
controls) and completing architecture risk assessments. Proficiency in Python and/or C# for service integration, evaluation tooling, and adapters; solid understanding of REST APIs, JSON, and async patterns. Mode of working: Hybrid(3 days) Work locations: London, Tunbridge wells, Ipswich, Bolton ...

Frontend Developer

Hiring Organisation
Tate Recruitment
Location
City of London, London, United Kingdom
.Net - this will be a small part of the role but necessary • Experience working with component based development and design systems • Strong understanding of REST APIs, unit testing and Git • Experience with SQL, EF Core or Dapper • Experience working with UX and design tools such as Figma or Adobe ...

Senior Node/AWS Developer

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
makes an impact The skills and experience my client are looking for: 5+ years of experience in software engineering, with expertise in Node.js and REST API design. Strong knowledge of AWS and serverless architecture. Strong experience with TypeScript, ensuring clean, efficient, and maintainable code. Experience with CI/CD pipelines ...

Senior Infrastructure Developer (Python Automation, VMware)

Hiring Organisation
Auxo Talent
Location
City of London, London, United Kingdom
vSphere; VCF experience is a plus). Strong Linux fundamentals and understanding of networking concepts (TCP/IP, DNS, routing). Experience working with REST APIs and automating cross-platform workflows. Familiarity with Git-based version control, CI/CD pipelines, and modern SDLC practices. Preferred/Nice to Have ...

Senior/Principal Software Engineer – Network & SDN

Hiring Organisation
ORI
Location
City of London, England, United Kingdom
using Go, Python, and Kubernetes‐native controllers Build and maintain microservices responsible for IP address management, fabric provisioning, routing policies, and observability pipelines Design REST/gRPC APIs to interface with network and orchestration systems, exposing network capabilities as programmable services to internal teams and customer workloads Develop systems that ...