Backend Developer

2 days ago

Delhi Division, India TRDFIN SUPPORT SERVICES PRIVATE LIMITED Full time

Job Description :We are seeking a Backend Developer (NodeJS & AWS) with strong expertise in building serverless applications and APIs within the FinTech domain. This is a hands-on coding role (not a leadership position) where you will be responsible for designing, developing, and maintaining backend services with a focus on scalability, performance, and security.The ideal candidate will have deep knowledge of the AWS Serverless stack, especially DynamoDB, and proven experience delivering high-quality backend solutions in FinTech applications.Key Responsibilities :Backend Development :- Design, build, and maintain scalable and secure backend services using Node.js.- Implement and optimize serverless architectures using AWS Lambda, API Gateway, and DynamoDB.- Build, integrate, and manage RESTful APIs consumed by front-end and mobile applications.Database & Data Management : - Develop and optimize data models in DynamoDB for performance and scalability.- Ensure efficient query design, indexing, and handling of large data sets.Cloud Infrastructure & DevOps : - Work with AWS services for hosting, deployment, and monitoring.- Contribute to CI/CD pipelines, version control (Git), and automated deployments.- Implement logging, monitoring, and error-handling for production Domain Implementation : - Apply domain knowledge to ensure compliance with financial industry standards, regulations, and security protocols.- Build high-availability and fault-tolerant systems tailored for transaction-heavy platforms.Collaboration & Best Practices : - Work closely with front-end developers, product managers, and QA engineers.- Follow best coding practices, conduct code reviews, and ensure test-driven development (TDD).- Document architecture, APIs, and workflows for smooth team adoption.Key Requirements : - 4+ years of professional backend development experience.- Strong proficiency in Node.js with proven production-level projects.- Hands-on experience with the AWS Serverless stack : Lambda, API Gateway, DynamoDB (DynamoDB expertise is mandatory).- Prior work experience in the FinTech domain (mandatory).- Strong experience in building, deploying, and scaling REST APIs.- Familiarity with CI/CD pipelines, Git workflows, and production monitoring tools.- Solid understanding of application security, performance tuning, and microservices architecture.- Bachelors degree in Computer Science, Engineering, or equivalent experience.Preferred Skills (Nice-to-Have) : - Experience with TypeScript in backend development.- Familiarity with event-driven architectures (SNS, SQS, Kinesis).- Knowledge of payment gateways, digital wallets, or banking APIs.- Exposure to containerization (Docker) and orchestration (ECS, EKS). (ref:hirist.tech)

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