Backend Developer

2 days ago

Delhi, Delhi, India TRDFIN SUPPORT SERVICES PRIVATE LIMITED Full time ₹ 6,00,000 - ₹ 18,00,000 per year

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

- 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 environments.

FinTech 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 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).

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