About Rahul
I help companies design and build scalable, secure backend systems using NestJS and AWS.
If you need a reliable backend developer who can structure clean APIs, optimize cloud infrastructure, and handle complex real-time data systems — I can support you from architecture to production.
What I bring to your project:
Scalable microservices architecture (Node.js / NestJS)
AWS cloud expertise (Lambda, DynamoDB, API Gateway, Timestream)
Performance optimization for high-volume data systems
Clean, maintainable TypeScript code
Strong experience in EV charging & IoT-based platforms
Production-ready REST APIs and backend integrations
I typically work on:
Backend architecture design
API development & integrations
Cloud infrastructure setup & optimization
Refactoring and scaling existing systems
Data modeling and performance tuning
My focus is simple: build backend systems that are stable, scalable, and easy to maintain.
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- K2 MobilitySenior Backend EngineerAugust 2024 - Today (1 year and 10 months)Nuremberg, GermanyI am a Backend Developer and Cloud Specialist based in Germany with strong experience building scalable, production-ready systems using NestJS and AWS.I specialize in designing secure microservices architectures, optimizing cloud infrastructure, and handling high-volume real-time data systems.My recent work includes:• Designing backend systems for EV charging and parking management platforms• Working with AWS services such as Lambda, DynamoDB, API Gateway, Timestream, CloudFront• Building clean REST APIs using NestJS and TypeScript• Implementing efficient data querying and performance optimization strategies• Structuring complex DTO validation and scalable architecture patternsI focus on writing clean, maintainable code and delivering reliable backend systems that scale.If you need help with cloud backend architecture, API development, or AWS optimization — I can help.
- NuriSenior Backend EngineerDIGITAL AND ITMay 2022 - October 2023 (1 year and 5 months)Berlin, Germany
- Spearheaded the development of cross-platform applications, seamlessly navigating between mobile and webplatforms using cutting-edge technologies such as React Native, React, Node.js, and GraphQL.
- Championed the use of Typescript as the primary programming language, enhancing code quality,maintainability, and developer productivity.•
- Collaborated within an agile development team, actively participating in the prioritization and scoping offeature requests to ensure a strategic focus on high-impact features, optimizing the product roadmap.
- Demonstrated a commitment to delivering robust and reliable software by constructing comprehensive testsuites for all new features, resulting in a substantial reduction in customer complaints and improved overallproduct quality.
- Leveraged AWS Lambda and a suite of other AWS services to build scalable and resilient backend solutions,contributing to the overall architecture and performance of the applications.
- Innovated and optimized application speed and responsiveness by implementing caching strategies andenhancing server response times, resulting in a significantly improved user experience.
- Played a pivotal role in key initiatives, including involvement in decentralized finance (DeFi) projects andmonetization strategies, showcasing leadership and strategic thinking in shaping the product's future.
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