Job Summary: A professional to support international operations and products, ensuring stable, secure, and scalable applications using Node.js, TypeScript, and AWS serverless. Key Highlights: 1. Collaborative, welcoming, plural environment with a strong sense of belonging. 2. Focus on simple, scalable architecture that facilitates daily operations. 3. Autonomy, creativity, and innovation in joint growth. **About MJV** Being an MJVer means being at one of the best places to work. We believe evolution begins from within — thus, we foster a collaborative, welcoming, plural environment with a strong sense of belonging. Here, achievements and growth happen collectively, with autonomy, creativity, and innovation. We are MJV! **About the Project** You will join a team responsible for supporting international operations and products, ensuring critical applications remain stable, secure, and ready for high volume. The focus is on developing and maintaining lambdas, integrations, and services that sustain platforms used by customers overseas — always prioritizing simple, scalable architecture that facilitates day-to-day operations. It is a technical, demanding, results-oriented environment requiring attention to detail, autonomy, and a strong commitment to quality. **Responsibilities** Develop and maintain backend services and integrations related to the international ecosystem. Build and maintain scalable solutions using Node.js, TypeScript, and AWS serverless architecture. Develop and enhance Lambdas, APIs, and integrations, ensuring application quality, performance, and stability. Work with API Gateway, Cognito, DynamoDB, GraphQL, and ElasticSearch. Handle messaging and system-to-system integration. Participate in technical and business discussions, proposing improvements and efficient solutions. Collaborate on software engineering best practices and code quality. Contribute to CI/CD pipelines. Maintain technical documentation and alignment with involved teams. Work across multiple projects when required. **Requirements** * Solid experience with Node.js and TypeScript. * Hands-on experience with AWS Lambda, API Gateway, Cognito, and DynamoDB. * Experience with non-relational databases (DynamoDB). * Serverless architecture. * Experience with messaging systems. * Practical understanding of ElasticSearch. * Knowledge of version control (Git). * Familiarity with agile methodologies. * Strong communication skills to discuss business rules. * Ability to handle multiple concurrent demands. * Collaborative, responsible profile with strong attention to quality. * Languages: English and Spanish. **✨ Nice-to-Haves** * Experience with serverless architecture. * Knowledge of Java (secondary). * Additional knowledge of distributed architecture. * Experience consuming external APIs. * Experience with automated testing. **Soft Skills** * High emotional resilience and stability to operate in a fast-paced environment with concurrent demands. * Ability to maintain clarity, organization, and focus even under pressure. * Strong sense of priority, responsibility, and responsiveness. * Autonomy. * Collaborative attitude, openness to feedback, and commitment to delivery. * Ability to quickly adapt to changes, unforeseen events, and dynamic scenarios. * Attention to detail, care for quality, and technical discipline. **MJV Benefits:** TotalPass\\Wellhub; ‍‍‍‍ Group life insurance; Meal/Voucher allowance; Health and dental plan \- Bradesco; Training initiatives: lectures, forums, knowledge exchanges, and conversations related to our business. We stay constantly connected to learn more — together; \+MJVer Program: internal referral program where you refer a colleague to join us, and if the match is successful, you receive a reward. Partnerships: want discounts? We have a Workplace group where we announce partnerships with educational institutions, language schools, gyms, restaurants, products, and other services;