Rajneesh Arya
Noida
Summary
Full Stack developer with specialisation in Node.js, NestJS, Express.js, Fastify, MongoDB, Apache Kafka, Redis, Docker, and AWS. Skilled in building scalable, cloud-based applications on Linux using ECS, EC2, S3, Lambda, API Gateway, CloudWatch, and Cognito. Experienced in REST APIs, microservices, and serverless architectures using TypeScript. Proficient in version control with GitHub, GitLab, and Bitbucket. Background in Python and OpenAI integrations.
Overview
5
5
years of professional experience
Work History
Senior Software Engineer
Synechron
Bangalore, India
01.2026 - Current
- Working for client Emirates National Bank of Dubai (Emirates NBD), diagnosed and resolved critical bugs in disbursement and loan repayment APIs, leveraging Claude for faster debugging and root cause analysis, improving production reliability.
- Utilized OpenShift, Jenkins, Kibana, Insomnia, and Remedy IT for deployment, monitoring, API testing, and incident management, ensuring smooth operations and rapid issue resolution in an enterprise banking environment.
Full Stack Developer
Diverse-lynx India Pvt Ltd
Noida
11.2022 - 06.2025
- Enhanced system scalability and performance for high-traffic applications, like the orderbook, reducing AWS Lambda execution time by over 30 seconds.
- Managed containerised services using Docker and AWS ECS to ensure reliable deployment pipelines.
- Built and optimised real-time WebSocket services for streaming live crypto market data to front-end dashboards.
- Constructed RESTful APIs from the ground up using Node.js, JavaScript, MongoDB, and Redis for seamless historical, and real-time data access.
- Configured Kafka producers and consumers to support efficient data ingestion and low-latency streaming pipelines.
- Devised a dummy WebSocket replication layer for simulating exchange data, improving indicator consistency during volatile market conditions.
- Supported the full development lifecycle, including requirements gathering, development, deployment, and post-release monitoring.
Software Developer
Pristyn Care
Gurugram, Haryana
04.2021 - 10.2022
- Established a scalable ride-booking service by integrating Uber APIs into a serverless architecture using AWS Lambda and API Gateway, adhering to SOLID principles for clean, maintainable code.
- Routed asynchronous data using AWS SQS to enhance message delivery reliability and system responsiveness.
- Constructed APIs for transactional communications, delivering WhatsApp, SMS, and notifications through MobTexting, Twilio, and Kaleyra.
- Enabled IVR-based workflows via Kaleyra Voice, improving automated patient engagement for hospitals.
- Facilitated time-sensitive actions using crons and webhook-driven event triggers for smoother hospital coordination.
- Oversaw project execution and collaboration via Git, Jira, and Slack, ensuring timely deployments, team alignment, and adherence to project goals.
Education
Bachelor of engineering - Electronics & communications
IPS Academy
Indore, Madhya Pradesh, IndiaSkills
- KAFKA
- AWS
- Javascript
- Python
- MongoDb / DynamoDb
- NodeJs
- NestJS
- Fastify
- Typescript
- DynamoDB
- Redis
- Lambda
- ECS/EC2
- AWS Cognito
- HTML
- Web-sockets
- GIT / Heroku
- Web-hooks
- SQS
- Jira/ Twilio
- JWT/ Express-Sessions
- API development
- Agile methodologies
Hobbies and Interests
Explore new culture & visiting new places., Playing chess, Playing musical instruments like Guitar, harmonium etc.
Timeline
Senior Software Engineer
Synechron
01.2026 - Current
Full Stack Developer
Diverse-lynx India Pvt Ltd
11.2022 - 06.2025
Software Developer
Pristyn Care
04.2021 - 10.2022
Bachelor of engineering - Electronics & communications
IPS Academy