AWS Engineer 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. **Job Description** **Job Title: Serverless Developer** **Location: Portsmouth, NH (Hybrid)** **Job Type: Full Time** **Role Overview:** We are seeking a skilled Serverless Application Developer to maintain and enhance a suite of 50–60 AWS Lambda functions and multiple AWS Step Functions that orchestrate complex workflows. This role is critical to ensuring the scalability, security, and performance of our billing systems within the Claims & Billing domain. **Key Responsibilities:** + Upgrade Node.js runtimes for existing Lambda functions from v18 to v20/v22. + Remediate security vulnerabilities in compliance with NYDFS Cybersecurity requirements. + Design, implement, and maintain new Lambda functions to support evolving business needs. + Enhance existing Lambdas to support new feature development and transaction processing. + Integrate event data into the data lake for analytics and reporting. + Collaborate with cross-functional teams to gather requirements and deliver scalable solutions. + Monitor and optimize application performance, security, and cost-effectiveness. + Troubleshoot and resolve issues in a timely manner. **Must-Have Qualifications:** + Strong proficiency in **TypeScript/JavaScript (Node.js)** . + Hands-on experience with **AWS Lambda** , **Step Functions** , **API Gateway** , **DynamoDB** , **S3** , **EventBridge** , and other AWS services. + Solid understanding of **RESTful APIs** and **microservices architecture** . + Proven ability to work in Agile environments and collaborate with cross-functional teams. + Experience in monitoring and optimizing serverless applications. **Nice-to-Have Skills:** + Experience implementing **CI/CD pipelines** for serverless applications using **AWS CDK** . + Familiarity with **DevOps practices** and tools such as **Bamboo** , **CloudForge** , and **GitHub Actions** . + Excellent problem-solving skills and attention to detail. + Strong written and verbal communication skills. **Life at Capgemini** Capgemini supports all aspects of your well-being throughout the changing stages of your life and career. For eligible employees, we offer: Flexible work Healthcare including dental, vision, mental health, and well-being programs Financial well-being programs such as 401(k) and Employee Share Ownership Plan Paid time off and paid holidays Paid parental leave Family building benefits like adoption assistance, surrogacy, and cryopreservation Social well-being benefits like subsidized back-up child/elder care and tutoring Mentoring, coaching and learning programs Employee Resource Groups Disaster Relief **Disclaimer** Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law. This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodations do not pose an undue hardship. Capgemini is committed to providing reasonable accommodations during our recruitment process. If you need assistance or accommodation, please get in touch with your recruiting contact. Click the following link for more information on your rights as an Applicant 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 340,000 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, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem. Ref. code: 304221 Posted on: Aug 11, 2025 Experience Level: Experienced Professionals Contract Type: Permanent Location: New York, US Brand: Capgemini Professional Community: Software Engineering Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.