MRIDUL HEMANI
Summary
Senior backend engineer with over 6 years of expertise in designing and managing production systems. Specialisms in backend architecture, reliability, and performance optimization for data-intensive applications, possessing hands-on experience in integrating LLM capabilities into backend workflows, including prompt orchestration, structured outputs, and cost/latency-aware execution. Recognized for taking ownership of critical services and delivering robust, maintainable solutions, ready for production.
Overview
7
7
years of professional experience
Work History
Senior Software Engineer
Helius Technologies
08.2023 - Current
- Owned backend performance, stability, and reliability for customer-facing services.
- Led long-term improvements across database access patterns, caching layers, and service configuration.
- Participated in architecture reviews and production-readiness discussions with cross-functional teams.
- Maintained and evolved AWS ECS deployments and Dockerized development environments.
Software Engineer
Credilio Financial Technologies
06.2022 - 07.2023
- Built and enhanced backend services supporting financial workflows and customer operations.
- Executed production schema changes and data migrations with zero service disruption.
- Improved backend responsiveness by addressing inefficient database access patterns.
- Supported production releases and resolved operational issues during business-critical periods.
Node.js Developer
Pairroxz Technologies
10.2020 - 06.2022
- Handled deployments, environment setup, and database maintenance for live systems.
- Collaborated closely with QA and frontend teams to ensure stable releases.
- Delivered GraphQL and REST APIs across multiple client-facing applications.
Software Developer
Panda Logics
05.2019 - 10.2020
- Worked on authentication, authorization, and error-handling modules across backend services.
- Investigated and resolved production issues using structured debugging and logging practices.
Education
B.Tech - Electrical Engineering
Rajasthan Technical University
JaipurSkills
- TypeScript
- Nodejs
- Python
- NestJS
- Expressjs
- GraphQL
- Django
- Flask
- PostgreSQL
- MySQL
- MongoDB
- DynamoDB
- Redis
- AWS (ECS, EC2, S3, API Gateway, CloudWatch)
- Docker
- AWS CDK
- CI/CD
- Backend Architecture
- Performance Optimization
- Caching
- Distributed Systems
- TDD
- Database optimization
- API development
- Backend architecture
- Scrum methodology
- Version control
- LLM API integration (OpenAI/Anthropic-style APIs), prompt orchestration, structured outputs (JSON)
- Prompt engineering for production (templates, guardrails, versioning, evaluation)
- RAG fundamentals (retrieval context assembly grounding strategies)
- Embeddings & vector search (pgvector / similarity search concepts)
- LLM cost & latency optimisation (token budgeting, caching, batching, fallbacks)
Projects
Propel by Singlife — Key Engineering Deliverables (Helius Technologies)
- Built a multi-tenant authorisation layer (ABAC) for consistent access control.
- Integrated screening checks into core flows with traceable decisions.
- Standardised a Docker-based dev setup for consistent environments and faster onboarding.
- Delivered commission clawback workflows for adviser payments with correct calculations and lifecycle handling.
Credilio Pro — Key Engineering Deliverables (Credilio Financial Technologies)
- Built a Freshdesk integration service to streamline support workflows and reduce manual triage.
- Executed zero-downtime production data migrations with safe sequencing (schema changes + backfills + rollouts).
- Improved backend responsiveness by optimising database access patterns in high-traffic flows.
Wincy — Key Engineering Deliverables (Pairroxz Technologies)
- Built the backend from scratch for a multi-organisation task/project management system.
- Implemented role-based access control and APIs for tasks, projects, and user management.
- Designed data model patterns to support tenant isolation and maintainable workflows.
Trading-Signals — Key Engineering Deliverables (Pairroxz Technologies)
- Built backend services to ingest market listings and generate trading signals via scheduled processing.
- Designed APIs and storage structures to support signal generation and historical tracking.
- Owned server-side implementation and operational support from early development to production.
Languages
- TypeScript
- Node.js
- Python
Timeline
Senior Software Engineer
Helius Technologies
08.2023 - Current
Software Engineer
Credilio Financial Technologies
06.2022 - 07.2023
Node.js Developer
Pairroxz Technologies
10.2020 - 06.2022
Software Developer
Panda Logics
05.2019 - 10.2020
B.Tech - Electrical Engineering
Rajasthan Technical University