API Integration Developer

2 weeks ago

London, Greater London, United Kingdom Capgemini Engineering Full time €60,000 - €120,000 per year

GET THE FUTURE YOU WANT

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

YOUR ROLE

We are looking for professionals with hands-on experience in system integration using APIs and webhooks. This role involves establishing secure API connections between platforms, managing authentication and data exchange, and configuring webhooks to enable real-time event-driven communication. You will design, test, and maintain integrations to ensure reliability and scalability.

YOUR PROFILE

  • Design, implement, and maintain API integrations between internal systems and third-party platforms.
  • Configure and manage webhooks to enable real-time updates and event-driven workflows.
  • Ensure secure data exchange through proper authentication, encryption, and access control.
  • Test, monitor, and troubleshoot integrations to maintain reliability and performance.
  • Develop robust error-handling, retry, and logging mechanisms to safeguard data integrity.
  • Collaborate with development, product, and operations teams to translate business needs into technical solutions.
  • Maintain comprehensive documentation of integration workflows, endpoints, and dependencies.
  • Stay updated on best practices for API and webhook design, focusing on scalability and security.
  • Strong experience with RESTful APIs, webhooks, and integration patterns.
  • Proficiency in API authentication protocols (OAuth 2.0, API keys, JWT, etc.).
  • Hands-on experience integrating third-party services such as Stripe, Salesforce, Adobe, or similar SaaS platforms.
  • Solid programming or scripting skills (e.g., Python, JavaScript, ) for building and testing integrations.

Short Description

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 350,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion.

Get the future you want |

Ref. code

341803-en_GB

Posted on

24 Nov 2025

Experience level

Experienced Professionals

Contract type

Permanent

Location

London

Business unit

FS

Brand

Capgemini

  • API Integration Developer

    2 weeks ago

    London, Greater London, United Kingdom Capgemini Full time £40,000 - £80,000 per year

    GET THE FUTURE YOU WANTChoosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the...

  • API Integration Developer

    2 weeks ago

    London, Greater London, United Kingdom myGwork - LGBTQ+ Business Community Full time £80,000 - £120,000 per year

    This job is with Capgemini, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.GET THE FUTURE YOU WANTChoosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and...

  • API Developer

    1 week ago

    London, Greater London, United Kingdom Amber Labs Full time £40,000 - £80,000 per year

    API Developer (SC Cleared)Location: Remote (with occasional on-site visits as required)Work Pattern: Full-time, permanent or contractSecurity Clearance: Must hold active SC ClearanceThe CompanyAt Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid...

  • Program Manager, API Integrations

    5 hours ago

    London, Greater London, United Kingdom PureSpectrum Full time

    About Us:PureSpectrum is a rapidly growing market research and insights platform that simplifies technology, allowing researchers to gather and activate consumer data without disruption. As the go-to solution for high-quality multi-sourcing and fully automated research, PureSpectrum is helping to shape the future of insights.Our Marketplace facilitates over...

  • Integrations Developer Specialist

    2 weeks ago

    London, Greater London, United Kingdom Exclusive Networks Full time £40,000 - £80,000 per year

    Exclusive Networks is the global cybersecurity go-to-market specialist that provides partners and end-customers with a wide range of services and product portfolios. With offices in over 45 countries and the ability to serve customers in over 170 countries, we combine deep local expertise with the scale and delivery of a single global organization.Our...

  • Abcam - MuleSoft Integration Development - Lead Developer - Onsite UK

    2 weeks ago

    London, Greater London, United Kingdom Zensar Technologies Full time £80,000 - £100,000 per year

    DescriptionKey Responsibilities:Lead the design and development of integration solutions using MuleSoft.Collaborate with cross-functional teams including Salesforce developers, architects, and business stakeholders.Develop APIs, orchestrations, and data transformations using MuleSoft Anypoint Studio.Ensure best practices in API design, security, and...

  • API Implementation Manager

    2 weeks ago

    London, Greater London, United Kingdom Sokin Full time £45,000 - £60,000 per year

    RoleSokin has an unique opportunity to join us as our first API Implementation Manager. You will be the primary technical contact for clients immediately after they sign a deal. You'll guide them through onboarding, integration, and ongoing technical consulting to ensure they fully leverage our platform. This role requires a unique blend of technical...

  • Integration Engineer

    2 weeks ago

    London, Greater London, United Kingdom Tria Full time £42,000 - £49,500 per year

    Permanent - Up to £49,500Hybrid - Central London BasedCandidates should take the time to read all the elements of this job advert carefully Please make your application promptly.I'm representing an industry leading client operating within the Food and Beverage industry who have just released an exciting new role We're looking for a skilled Integration...

  • Integration Architect

    2 weeks ago

    London, Greater London, United Kingdom The Curve Group Full time £60,000 - £90,000 per year

    A leading financial services organisation are undergoing a major transformation programme, and are looking for an experiencedIntegration Architectto join on a12-month contract.This role is ideal for someone who specialises in system integration, API design, and cloud-based architecture (Azure) and enjoys shaping strategy as well as guiding delivery teams.Key...

  • Integration Engineer

    2 weeks ago

    London, Greater London, United Kingdom Fiskl | Autonomous Accounting Full time £60,000 - £120,000 per year

    Connect Every Financial System to FisklWe're at 80% automation today, building toward 95% autonomous accounting. We need someone obsessed with making every transaction – from every payment provider, bank, and platform – flow seamlessly into Fiskl. Zero manual entry is the goal.The MissionBuild bulletproof integrations that capture every transaction from...