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Niraj shaw

Open to work1 years experience

Software Developer

Kolkata, West Bengal, IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Software Developer

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

24 skills
javascripttypescripthtml/cssc++goreact.jsnext.jstailwind cssejsnode.jsnestjsgingitjwtrest apiswebsocketswebrtcmongodbpostgresqlexpress.jssupabaseredisdockeraws

Work Experience

Software Developer (Full Time)

Hoichoi Seorce

Mar 2026 - Present Kolkata
  • Optimized Reactjs frontend with code splitting and lazy loading, reducing load time by ~40% (2.5s → 1.5s)
  • Integrated SSE for real-time updates, cutting polling by ~85% and latency from ~3s to < 200ms
  • Built pre-aggregated collections, slashing query latency from 40–50s to 2–3s (93% improvement)

Software Developer Intern

Prabhat Khabar

Mar 2024 - Aug 2024 Kolkata
  • Built 25+ REST APIs to handle job listings, application submissions, user authentication, and role-based administrative operations.
  • Implemented layered security by integrating Cloudflare Turnstile CAPTCHA with JWT-based authentication and backend validation to mitigate automated and spam submissions.
  • Architected a Role-Based Access Control system (Super Admin/Admin/Executive) to enforce permission boundaries across job management and candidate workflows.

Projects

Go Shell – Unix-style Shell (Go)

Go
  • Built a POSIX-style interactive shell in Go implementing a custom REPL, command parsing engine, and execution pipeline, enabling builtin commands and external process execution via PATH resolution.
  • Designed and implemented process orchestration using OS pipes and file descriptors, supporting multi-stage pipelines and advanced I/O redirection for stdout and stderr.

Job Board (Vercel)

JavaScriptTypeScriptNode.jsRedisEJS
  • Implemented RBAC across 3 user roles with constituency-level access mapping.
  • Optimized vote aggregation queries (5–7 stage pipelines) and reduced average response time from ~600ms to ~200ms using Redis caching.
  • Rendered dynamic dashboards via EJS-based server-side templating to improve first-page load performance.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Achievements Not Earned

Special rewards, developer badges, system recognition certificates, and conceptual milestones will display here.

About Details

Professional Bio

Software Developer with experience in building scalable web applications and system-level tools. Proficient in full-stack development, performance optimization, and cloud infrastructure.

Bachelors in Computer Application

MAKAUT (2021 - 2024)

Languages: English, Hindi
Email: Locked