REST Jobs in London

126 to 150 of 275 REST Jobs in London

Javascript Developer

Greater London, England, United Kingdom
talego
teams, and understands that building smarter doesn’t always mean building from scratch. What You’ll Bring: Solid commercial experience with Node.js and TypeScript Strong understanding of API development (REST) Background working with SQL and NoSQL databases At least 3 years’ experience in backend software engineering Previous experience within healthcare (FHIR, HL7, EHRs, or LIMS) or exposure to Software as More ❯
Posted:

Javascript Developer

london, south east england, united kingdom
talego
teams, and understands that building smarter doesn’t always mean building from scratch. What You’ll Bring: Solid commercial experience with Node.js and TypeScript Strong understanding of API development (REST) Background working with SQL and NoSQL databases At least 3 years’ experience in backend software engineering Previous experience within healthcare (FHIR, HL7, EHRs, or LIMS) or exposure to Software as More ❯
Posted:

Mid-level Full-Stack Engineer

London Area, United Kingdom
GuruNow
standard benefits package Merit-based career progression in a growing company The best tools to help you do your job well Our technology stack: React/TypeScript Python Django REST Framework AWS How to apply - please read: After applying via LinkedIn, please also send an email to join-tech@gurunow.ai answering the following. Please include your name and "Full-Stack More ❯
Posted:

Mid-level Full-Stack Engineer

City of London, London, United Kingdom
GuruNow
standard benefits package Merit-based career progression in a growing company The best tools to help you do your job well Our technology stack: React/TypeScript Python Django REST Framework AWS How to apply - please read: After applying via LinkedIn, please also send an email to join-tech@gurunow.ai answering the following. Please include your name and "Full-Stack More ❯
Posted:

Full Stack Engineer

London Area, United Kingdom
XraceAI
ideally startup or gaming/immersive/AI). Strong experience with real-time databases , data telemetry, and scalable backend systems. Strong backend expertise (Node.js, Python, Postgres/Supabase, REST/WebSockets). Strong frontend skills (React/Next.js, TypeScript, Tailwind). Comfort with 3D/real-time visualization frameworks (WebGL,Three.js) Familiarity with AI/ML integrations (OpenAI, Gemini More ❯
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Full Stack Engineer

City of London, London, United Kingdom
XraceAI
ideally startup or gaming/immersive/AI). Strong experience with real-time databases , data telemetry, and scalable backend systems. Strong backend expertise (Node.js, Python, Postgres/Supabase, REST/WebSockets). Strong frontend skills (React/Next.js, TypeScript, Tailwind). Comfort with 3D/real-time visualization frameworks (WebGL,Three.js) Familiarity with AI/ML integrations (OpenAI, Gemini More ❯
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Senior Contact Centre Engineer

City, London, United Kingdom
ARM (Advanced Resource Managers)
within NICE CXone, Genesys Cloud or Avaya platforms. . Design and support emergency routing and system failover scenarios. Application Integration: . Deliver CRM and third-party app integrations using REST or SOAP APIs. . Coordinate data flows between telephony platforms and business systems (Salesforce, Dynamics, etc.). . Conduct testing and validation of integration use cases. Technical Leadership: . Serve More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Mobile Engineer

London, United Kingdom
Skin Analytics Ltd
Experience with unit testing, integration testing, and preferably end-to-end testing using tools (e.g. Appium) Familiarity with crash reporting and performance monitoring tools Strong ability to integrate with REST APIs, manage secure authentication flows, and handle offline scenarios Basic understanding of backend systems (e.g. Node.js, AWS) to debug issues and contribute to API design discussions Proficient in Git, with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Platform Software Engineer

London, United Kingdom
FactSet Research Systems Inc
cloud infrastructure in AWS. You'll tackle challenging problems and work with nearly all engineering groups at FactSet. Tech stack: Golang, react.JS, docker, PostgreSQL ,Redis, Kafka, terraform, AWS, Linux. REST ApisSquad team: 6 Software Engineers (Junior to principal software engineer) + the hiring manager What You'll Do Troubleshoot and optimize operating system level issues (Linux) Design and build new More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Graduate software engineer Milan (Italy), London (UK), or fully remote

London, United Kingdom
Hybrid / WFH Options
Bending Spoons
Master your toolkit. By working across diverse tech stacks, you'll refine your ability to choose the right tools for every challenge. From monolithic to microservices architectures, gRPC to REST APIs, Kubernetes to Docker, Python to Rust-you'll show that true expertise isn't about using the trendiest technologies, but about understanding their purpose to unleash their full potential. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Engineer

London, United Kingdom
Develop
an internal component library to ensure consistency and scalability Implement complex form handling and validation using Formik and Yup Integrate with GraphQL APIs via Apollo Client, and occasionally consume REST endpoints Manage client-side state efficiently and ensure smooth data flows Collaborate cross-functionally with designers, product managers, and engineers to deliver cohesive and accessible UI experiences Write unit tests More ❯
Employment Type: Contract
Posted:

Global IT Platform Engineer Senior Manager

London, UK
Boston Consulting Group
Proven experience in platform upgrades, performance optimization, and maintenance Proficiency in JavaScript and ServiceNow development, including server and client-side scripting, security, and debugging Experience with ServiceNow integrations using REST, GraphQL, IntegrationHub, security configuration, and third-party apps ServiceNow certifications are highly preferred Who You'll Work With You will join an existing Agile squad comprised of engineers, architects, analysts More ❯
Employment Type: Full-time
Posted:

Intermediate Java Developer

London, United Kingdom
Hybrid / WFH Options
GlobalRelay
continuous integration systems Experience with dependency injection containers Experience with network protocols such as HTTP, TLS, TCP Experience with service oriented architecture Experience with web services technology such as REST, JSON, or Thrift Experience with multi-threaded programming Experience with design patterns What you can expect: At Global Relay, there's no ceiling to what you can achieve. It's More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior AI Developer

London, United Kingdom
ARC IT Recruitment
a culture of continuous learning and innovation. Essential Skills: 5+ years of software development experience, including significant work in system modernization. Strong expertise in React and JavaScript. Familiarity with REST APIs and cloud infrastructure. Hands-on experience with AI-based developer tools (eg, GitHub Copilot, ChatGPT, Tabnine). Excellent leadership, communication, and collaboration skills. Passion for clean code, software architecture More ❯
Employment Type: Permanent
Salary: GBP 80,000 Annual
Posted:

ServiceNow Technical Architect

South West London, London, United Kingdom
Hybrid / WFH Options
Anson Mccade
ideally Certified Technical Architect (CTA). Experience across at least 3 product lines outside ITSM (e.g. ITOM, HRSD, CSM, SPM, SAM). Advanced scripting and integration skills (JavaScript, SQL, REST/SOAP APIs). Strong understanding of cloud platforms (AWS, Azure, GCP) and ServiceNow integrations. Experience operating in a Technical Design Authority capacity. Bonus: GenAI exposure, ITILv4 certification, SC clearance More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Salesforce Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Savant Recruitment Experts
including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components (LWC), SOQL, REST/SOAP APIs, and Salesforce configuration tools. Strong working knowledge of Salesforce Service Cloud (essential); experience with Experience Cloud, Sales Cloud & Marketing Cloud (desirable). Proven experience with CI/ More ❯
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Senior Salesforce Developer

London Area, United Kingdom
Hybrid / WFH Options
Savant Recruitment Experts
including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components (LWC), SOQL, REST/SOAP APIs, and Salesforce configuration tools. Strong working knowledge of Salesforce Service Cloud (essential); experience with Experience Cloud, Sales Cloud & Marketing Cloud (desirable). Proven experience with CI/ More ❯
Posted:

ServiceNow Technical Architect

South West London, London, United Kingdom
Hybrid / WFH Options
Anson Mccade
ideally Certified Technical Architect (CTA). Experience across at least 3 product lines outside ITSM (e.g. ITOM, HRSD, CSM, SPM, SAM). Advanced scripting and integration skills (JavaScript, SQL, REST/SOAP APIs). Strong understanding of cloud platforms (AWS, Azure, GCP) and ServiceNow integrations. Experience operating in a Technical Design Authority capacity. Bonus: GenAI exposure, ITILv4 certification, SC clearance More ❯
Employment Type: Permanent, Work From Home
Posted:

Compliance Workflow Developer

London, United Kingdom
Computappoint
keen attention to detail Communication - ability to clearly explain technical solutions to non-technical audiences Bonus Points For: Experience with Intapp Intake and Conflicts solutions Building integrated solutions using REST APIs Working knowledge of JavaScript Familiarity with Boomi automation platforms Understanding of Know Your Client (KYC) data including corporate hierarchies, directors, shareholders and related parties Background working in a law More ❯
Employment Type: Permanent
Salary: GBP 75,000 Annual
Posted:

Compliance Workflow Developer

City of London, London, England, United Kingdom
Computappoint
keen attention to detail Communication - ability to clearly explain technical solutions to non-technical audiences Bonus Points For: Experience with Intapp Intake and Conflicts solutions Building integrated solutions using REST APIs Working knowledge of JavaScript Familiarity with Boomi automation platforms Understanding of Know Your Client (KYC) data including corporate hierarchies, directors, shareholders and related parties Background working in a law More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Vertex Tax System Production Support Service Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
X4 Technology
support quarterly system updates. Technical Operations Perform SQL/data analysis on ERP and Vertex databases for tax reconciliations. Troubleshoot API integrations, data feeds, and calculation discrepancies. Maintain Vertex REST/SOAP API integrations and support FBDI/ADFdi data loads. Monitor performance and optimize tax data loads and batch processes. Compliance & Reporting Support tax compliance reporting (Sales & Use Tax More ❯
Posted:

Vertex Tax System Production Support Service Engineer

London Area, United Kingdom
Hybrid / WFH Options
X4 Technology
support quarterly system updates. Technical Operations Perform SQL/data analysis on ERP and Vertex databases for tax reconciliations. Troubleshoot API integrations, data feeds, and calculation discrepancies. Maintain Vertex REST/SOAP API integrations and support FBDI/ADFdi data loads. Monitor performance and optimize tax data loads and batch processes. Compliance & Reporting Support tax compliance reporting (Sales & Use Tax More ❯
Posted:

Compliance Workflow Developer

London, South East, England, United Kingdom
Computappoint
keen attention to detail Communication - ability to clearly explain technical solutions to non-technical audiences Bonus Points For: Experience with Intapp Intake and Conflicts solutions Building integrated solutions using REST APIs Working knowledge of JavaScript Familiarity with Boomi automation platforms Understanding of Know Your Client (KYC) data including corporate hierarchies, directors, shareholders and related parties Background working in a law More ❯
Employment Type: Full-Time
Salary: £65,000 - £75,000 per annum
Posted:

Vertex Tax System Production Support Service Engineer

london, south east england, united kingdom
Hybrid / WFH Options
X4 Technology
support quarterly system updates. Technical Operations Perform SQL/data analysis on ERP and Vertex databases for tax reconciliations. Troubleshoot API integrations, data feeds, and calculation discrepancies. Maintain Vertex REST/SOAP API integrations and support FBDI/ADFdi data loads. Monitor performance and optimize tax data loads and batch processes. Compliance & Reporting Support tax compliance reporting (Sales & Use Tax More ❯
Posted:

Vertex Tax System Production Support Service Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
X4 Technology
support quarterly system updates. Technical Operations Perform SQL/data analysis on ERP and Vertex databases for tax reconciliations. Troubleshoot API integrations, data feeds, and calculation discrepancies. Maintain Vertex REST/SOAP API integrations and support FBDI/ADFdi data loads. Monitor performance and optimize tax data loads and batch processes. Compliance & Reporting Support tax compliance reporting (Sales & Use Tax More ❯
Posted:
REST
London
10th Percentile
£55,000
25th Percentile
£65,000
Median
£80,000
75th Percentile
£99,375
90th Percentile
£136,250