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9 api developer jobs found in London

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London api developer £400 - £500
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Duration not stated  (7) 6 Months or more  (2)
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Contract Spy
Jun 11, 2026
Duration not stated
ServiceNow Developer — ITSM/Integrations at XAAS Solutions, Remote, £500-£560 per day
£500 - £560 per day
Contract Spy Remote (London, UK)
Job Summary We are looking for an experienced ServiceNow Developer to support ongoing ServiceNow ITSM development, enhancement, integration, and platform support work. The ideal candidate will have 5–6 years of hands-on ServiceNow experience , with strong technical knowledge of ITSM modules , including Incident Management, Problem Management, Change Management, Request Management, Service Catalog, and CMDB-related processes . This is a remote UK-based contract role , operating Inside IR35 , with a day rate of up to £560 per day . The candidate must be currently residing in the UK and must have the legal right to work in the UK without sponsorship, such as UK citizenship or Indefinite Leave to Remain (ILR) . ServiceNow certifications are preferred but not mandatory. Strong practical knowledge and hands-on implementation experience are essential. Key Responsibilities The ServiceNow Developer will be responsible for designing,...
Contract Spy
Jun 17, 2026
Duration not stated
Microsoft Dynamics 365 Developer, Power Pages at Scrumconnect, London, £450-£475 per day
£450 - £475 per day
Contract Spy London, UK
£450–£475 per day | Inside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting   Scrumconnect Consulting is a UK national SME award-winning software development consultancy with over 300 consultants across the UK. We work with UK Public Sector clients to build impactful, award-winning digital services that improve millions of lives.   We take as much pride in our people, culture and work-life balance as we do in making services that improve millions of lives. Collaborative, entrepreneurial and dedicated to problem-solving, we bring the step change our customers need to sustain innovation.   About the Role   We are looking for an experienced Microsoft Dynamics 365 Developer to join a blended delivery team working on a large-scale public sector digital transformation...
Contract Spy
Jun 11, 2026
Duration not stated
AI Business Analyst at Emagine Consulting, London, £500-£525 per day
£500 - £525 per day
Contract Spy London, UK
We are seeking a Business Analyst to focus on AI solutions. In this role, you will identify opportunities to enhance client journeys, improve financial outcomes, automate processes, and integrate AI capabilities within a greenfield project across key financial services functions. AI Business Analyst London x3 Days on-site £500-525pd Inside emagine is a high-end professional services consultancy and solutions firm Specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our...
Contract Spy
Jun 11, 2026
Duration not stated
Automation Test Engineer at ByDesign Secure, London, £500 per day (Outside IR35)
£500 per day
Contract Spy London, UK
Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud...
Contract Spy
Jun 10, 2026
Duration not stated
Microsoft Dynamics 365 Developer, Power Pages at Scrumconnect, London, £450-£475 per day
£450 - £475 per day
Contract Spy London, UK
£450–£475 per day | Inside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting   Scrumconnect Consulting is a UK national SME award-winning software development consultancy with over 300 consultants across the UK. We work with UK Public Sector clients to build impactful, award-winning digital services that improve millions of lives.   We take as much pride in our people, culture and work-life balance as we do in making services that improve millions of lives. Collaborative, entrepreneurial and dedicated to problem-solving, we bring the step change our customers need to sustain innovation.   About the Role   We are looking for an experienced Microsoft Dynamics 365 Developer to join a blended delivery team working on a large-scale public sector digital transformation...
Contract Spy
Jun 08, 2026
6 Months or more
Back-End Developer (Java &Spring Boot/GCP) at Methods, London, 6 Months, £490 per day
£490 per day
Contract Spy London Area, United Kingdom
Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit. Rate: £490 inside IR35 Duration: 6 month initially Location: Hybrid; 3days/w in London office   Requirements:   Architectural Rebuild: Play a role in migrating and rebuilding our core architecture in Java Spring Boot to align with a composable, cloud-native landscape. Connector Development: Design and optimize technical connectors for a diverse mix of global channels, including generalist marketplaces, social commerce (eg, TikTok Shop), and quick-commerce (eg, Glovo, Deliveroo). Catalog Publication Flow: Refocus efforts on rebuilding the catalog publication flow, addressing technical complexities such as category mapping, product variant synchronization, and asynchronous marketplace APIs. Business Logic Migration: Collaborate on transferring complex Legacy...
Contract Spy
Jun 04, 2026
Duration not stated
Automation Test Engineer at ByDesign Secure, London, £500 per day (Outside IR35)
£500 per day
Contract Spy London, UK
Opening: Join the Mission We deliver secure, mission‑critical platforms and services for government and regulated organisation’s operating in high‑assurance environments. Our teams work at the intersection of cloud engineering, DevSecOps, and platform enablement, helping organisation’s adopt Google Distributed Cloud (air‑gapped GCP). This role offers the opportunity to shape automation‑first testing strategies for new cloud‑native platforms, influence tooling and quality standards, and ensure solutions are secure, resilient, compliant, and testable by design. Role Purpose As an Automation Test Engineer, you will be responsible for designing, building, and operating automated testing capabilities across platform and application delivery teams. You will: Define and implement test automation strategies aligned to IaC, CI/CD, and DevSecOps practices Select, evaluate, and trade‑off test tooling suitable for air‑gapped Google Distributed Cloud...
Contract Spy
Jun 03, 2026
Duration not stated
Microsoft Dynamics 365 Developer, Power Pages at Scrumconnect, London, £450-£475 per day
£450 - £475 per day
Contract Spy London, UK
£450–£475 per day | Inside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting   Scrumconnect Consulting is a UK national SME award-winning software development consultancy with over 300 consultants across the UK. We work with UK Public Sector clients to build impactful, award-winning digital services that improve millions of lives.   We take as much pride in our people, culture and work-life balance as we do in making services that improve millions of lives. Collaborative, entrepreneurial and dedicated to problem-solving, we bring the step change our customers need to sustain innovation.   About the Role   We are looking for an experienced Microsoft Dynamics 365 Developer to join a blended delivery team working on a large-scale public sector digital transformation...
Contract Spy
Jun 01, 2026
6 Months or more
Back-End Developer (Java &Spring Boot/GCP) at Methods, London, 6 Months, £490 per day
£490 per day
Contract Spy London Area, United Kingdom
Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit. Rate: £490 inside IR35 Duration: 6 month initially Location: Hybrid; 3days/w in London office   Requirements:   Architectural Rebuild: Play a role in migrating and rebuilding our core architecture in Java Spring Boot to align with a composable, cloud-native landscape. Connector Development: Design and optimize technical connectors for a diverse mix of global channels, including generalist marketplaces, social commerce (eg, TikTok Shop), and quick-commerce (eg, Glovo, Deliveroo). Catalog Publication Flow: Refocus efforts on rebuilding the catalog publication flow, addressing technical complexities such as category mapping, product variant synchronization, and asynchronous marketplace APIs. Business Logic Migration: Collaborate on transferring complex Legacy...
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