Raushan Kumar
Contact details — on requestProof of Work — on request
Experience
Associate Software Engineer
KPIT · Jun 2024 – Present
Back End Developer
Freelance · Jan 2024 – Present
- API development: designed and built REST APIs in Flask for a production rental-platform startup, documented with Swagger/OpenAPI for frontend and third-party consumption.
- Cloud deployment: deployed and ran backend services on AWS EC2 with S3 for storage; authored the backend architecture diagram used to plan the system end-to-end.
- Performance decision: proposed and implemented Cloudinary for image handling, using its multi-resolution delivery to shrink product photos from 3–4MB to 15–100KB variants for faster load times; scoped a future migration to AWS as usage scales past the free tier.
K
Associate Software Engineer (Intern Full-time)
KPIT Technologies · Jan 2024 – Present
- Completed 6-month corporate training in Python programming and AWS Cloud fundamentals (EC2, S3, IAM)
- Annotated driving scenarios (merges, branches, lanes, intersections, crosswalks) using proprietary ADAS tooling to validate detection accuracy for Honda's autonomous driving program
- Ran Python scripts to extract CAN-bus data; documented driving scenarios with timestamps, GPS coordinates, and key-frame images in structured technical reports
- Investigated False Negative detection cases, classified FSE conditions, and presented findings in weekly virtual reviews with Honda Japan; addressed live technical questions and incorporated customer feedback into final deliverables
J
Developer
Jagruk Durbe · Jan 2025 – Jan 2026
- Full-stack platform: Flutter frontend, FastAPI backend with 86 endpoints across 16 routers, and a SQLAlchemy ORM with Alembic-managed migrations — architected and built end-to-end as sole developer.
- Security: JWT auth with OTP verification, role-based access control (user / admin / super_admin), and a purpose-bound OTP enum that prevents cross-flow replay attacks.
- Hardened image pipeline: MIME check → size limit → NudeNet NSFW screen → signed Cloudinary upload; per-endpoint rate limiting, bcrypt hashing, env-based secrets.
- Performance: display-time Cloudinary URL transforms cutting image payload 60–80% via on-the-fly auto-quality and auto-format — critical for rural 4G performance.
- Data integrity: soft-delete with audit trails across all data models, and a 6-month rating cooldown enforced at the query layer.
Software Engineer Intern
KPIT · Jan 2024 – Jun 2024
Skills 0 proven through work
Also works with
Product DistributionAlembic UsageADAS ValidationResourcefulnessRapid LearningTeam SupportTeamworkDecision MakingAdaptabilityWork Planning and PrioritizationCross-Platform DevelopmentAndroid App DevelopmentProblem SolvingCodingNetwork Performance OptimizationApplication Performance OptimizationImage OptimizationData MigrationRate Limiting & Throttling ImplementationOTP Generation ImplementationJWT Authentication Filter ImplementationContent Moderation System DevelopmentCloudinary IntegrationData ExaminationDatabase Data Entry and UploadMicrosoft ExcelWorking with CSV FilesFile Upload HandlingAPI Authentication ImplementationApplication DeploymentFastAPI DevelopmentFlutter DevelopmentMobile Application DevelopmentAutomated Report Generation
Proof of Work
Proof of Work
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Education
B.Tech, Information Technology
Chandigarh Group of Colleges, Landran (Punjab) · 2020 — 2024
Higher Secondary (BSEB), N/A
Gaya College, Gaya · 2019 — 2020
Matriculation (CBSE), N/A
Shatabdi Public School, Gaya · 2017 — 2018
Contact details
Contact details
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