Jobs → Engineering → Lead Full Stack Engineer

About the Role We are looking for an experienced Lead Full Stack Engineer to join our team at Solugenix / ecoATM. This role focuses on building and modernizing a high-performance, cloud-native auction and bidding platform using modern web technologies and serverless AWS architecture. Key Responsibilities • Design, develop, and maintain scalable full-stack applications • Build modern frontend applications using React.js and Next.js • Develop backend services using Node.js, NestJS, and TypeScript • Design and implement REST APIs and serverless solutions using AWS Lambda • Work with Amazon S3, Cognito, API Gateway, and AWS cloud services • Design and optimize PostgreSQL/Aurora PostgreSQL databases • Implement reliable event-driven architectures using Kafka/AWS MSK • Handle concurrency and race conditions in real-time auction and bidding workflows • Optimize application performance, database queries, indexing, and Lambda cold starts • Collaborate with cross-functional teams and contribute to architectural decisions Requirements • Strong hands-on experience in full-stack development • Proven experience building production-grade serverless applications on AWS • Practical knowledge of authentication and authorization using Amazon Cognito • Experience with database performance tuning and concurrent transaction handling • Excellent problem-solving, communication, and technical leadership skills • Ability to collaborate with the client team during overlapping working hours