Senior TypeScript + AWS Lambda Developer

NTT DATA is a team of more than 190,000 diverse professionals, operating in more than 50 countries throughout the world. The sectors where we have activities include: telecommunications, finance, industry, utilities, energy, public administration and health.

Our mission? Offer technological solutions, business, strategy, development and maintenance of applications, while being a benchmark in consulting. All thanks to the collaboration between teams, the human quality of our people and the fact that we do not conform to what is established, we always seek innovation that brings us closer to the future.

Our essence has led us to the forefront of technology, breaking paradigms and providing solutions that truly respond to the needs of each client. Our talent has led us to be one of the top 6 technology companies in the world.

Because #Greattech, needs #GreatPeople, like you

NTT DATA is looking for high-achieving team players that are quickly adaptable to new challenges and entrepreneurial ventures. We are looking for a Senior Software Engineer specialized in TypeScript and AWS Lambda who is passionate about building scalable, secure, and high-performance serverless applications. This is a hands-on, delivery-focused role: most of the work is designing, writing, testing, deploying, and operating production code, working

100% onsite in LATAM with our global client working EST hours.

Rate Range:

$17-23/hr

Key Responsibilities

• Design, develop, test, and maintain backend services and APIs using TypeScript and Node.js.
• Build production-ready serverless applications using AWS Lambda and Amazon API Gateway.
• Develop event-driven workflows using Amazon EventBridge, SQS, SNS, and AWS Step Functions.
• Apply appropriate retry, idempotency, error-handling, and asynchronous messaging patterns.
• Implement integrations between customer-facing channels, internal platforms, and third-party systems through REST APIs, webhooks, and asynchronous messaging.
• Participate in technical design discussions and translate architectural designs into scalable, production-ready code.Write unit, integration, and contract tests using Jest, Vitest, or similar testing frameworks.
• Participate in code reviews and uphold clean-code, strict-typing, and maintainability standards.
• Define infrastructure alongside application code using AWS CDK or equivalent Infrastructure as Code tools.
• Build and maintain automated CI/CD pipelines.
• Apply secure coding and AWS security practices, including least-privilege IAM roles, input validation, secrets management, and OAuth 2.0/OIDC authentication.
• Implement structured logging, monitoring, metrics, and distributed tracing.
• Troubleshoot production incidents and optimize AWS Lambda performance and cost.
• Collaborate with Product Owners, QA Engineers, DevOps Engineers, architects, and business stakeholders.
• Mentor developers and contribute to technical knowledge sharing.
• Own features throughout the full lifecycle, from development and deployment through production support
• Required Qualifications: Professional Experience
• 6+ years of professional software development experience.
• At least 3 years of experience building production services on AWS.
• Proven hands-on experience delivering serverless applications in production.
• Experience supporting production environments and troubleshooting distributed, event-driven systems.
• Experience working within cross-functional Agile/Scrum teams.
• TypeScript and Node.js
• Advanced TypeScript skills, including: Strict typing
• Generics
• Type-safe API contracts
• Strong Node.js experience, including: Asynchronous programming
• Performance optimization
• Packaging applications for AWS Lambda
• Experience using the AWS SDK for JavaScript v3.
• Familiarity with Powertools for AWS Lambda using TypeScript, or a similar framework.
• AWS and Serverless Development
• Hands-on experience with AWS Lambda, including: Handler design
• Cold starts
• Concurrency
• Lamba layers