API Integration Developer

Capgemini; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading global technology partner in the UK is seeking professionals skilled in system integration using APIs and webhooks. In this role, you will establish secure connections, manage data exchanges, and ensure the reliability of integrations. Ideal candidates will have strong programming skills and experience with third-party services. This position is an opportunity to join a collaborative community dedicated to technology transformation and sustainability.

Qualifications

• Strong experience in designing, implementing, and maintaining API integrations.
• Ability to test, monitor, and troubleshoot integrations for performance.
• Knowledge of integration best practices focusing on scalability and security.

Responsibilities

• Establish secure API connections between platforms.
• Manage authentication and data exchange.
• Collaborate with teams to translate business needs into technical solutions.

Skills

Hands-on experience in system integration using APIs

Experience with RESTful APIs

Knowledge of webhook management

Proficient in Python, JavaScript, Node.js

API authentication protocols (OAuth 2.0, API keys, JWT)

Solid understanding of data security practices

Tools

Stripe

Salesforce

Adobe

Job description

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, Node.js) 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 | www.capgemini.com