HarshaKumarKuna
Professional Summary
Backend Software Engineer with 4+ years of experience designing and delivering cloud-native, event-driven microservices and scalable web applications for finance, trading and legal‑tech domains. Skilled in Java, Spring Boot, Spring WebFlux, Kafka and AWS serverless patterns to build reliable APIs, data pipelines and integrations that reduce latency and improve operational reliability.
Technical Skills
Work Experience
- Developed customer-facing checkout and data-sync features using React, Python/TypeScript, REST and GraphQL, reducing sync time by 30% and API error rate by 25%.
- Engineered a serverless legal-data pipeline using AWS Lambda, EventBridge and DynamoDB to automate daily web scraping and persist updated laws for downstream consumers.
- Instrumented APIs with Datadog to diagnose integration failures and implemented fixes that reduced production incidents by 40%.
- Improved API reliability and security by adding input validation and standardized error handling across services, raising overall API stability.
- Led functional and integration testing cycles to identify and resolve critical defects prior to release, shortening regression cycles and improving release quality.
- Mentored a junior engineer on API design and code review standards, standardizing review checklists and accelerating onboarding.
- Designed and implemented an event-driven inventory management system using Spring WebFlux and Reactive Programming to handle fractional quantities, reducing inventory discrepancies by 40% and improving order accuracy by 55%.
- Optimized settlement workflows, automating manual steps and cutting end-to-end processing time by 60%, reducing manual intervention from 4 hours to 1.5 hours.
- Developed Kafka-based microservices to decouple services and streamline inter-service messaging, lowering single-service load by 40% and improving throughput.
- Reduced crypto transaction latency from ~10s to ~6s by applying reactive backpressure strategies and optimizing request handling paths in WebFlux.
- Led performance troubleshooting and introduced load-balancing changes that increased application load capacity by 40% under peak traffic.
- Implemented multi-factor authentication using OAuth tokens, improving authentication security by 20%; promoted CI/CD and code-review best practices across the team.
Projects
- Engineered a full-stack SaaS logistics application with a responsive React/Next.js frontend and Java/Flask backend, streamlining delivery checkout and improving order processing time by 30%.
- Designed backend APIs and database schemas to support scalable checkout workflows and integrated role-based access for customer and operator flows.
- Published an international paper on the application at ICTIS 2022, detailing system design and performance results.
- Built an end-to-end AI pipeline for legal document retrieval using semantic vector search (sentence-transformers), BM25 and TF‑IDF ranking across 30,000+ clauses, improving retrieval relevance by 20%.
- Trained an XGBoost classifier to categorize document clauses into structural headings with 85%+ accuracy, providing semantic priors to improve LLM query understanding.
- Integrated ranking and retrieval outputs to provide a Q&A interface that enhanced developer and legal analyst productivity for document search tasks.
Education
Powered by Drivetube · Create your own profile at drivetube.ai
Everything on Drivetube
Six products, two of them free forever. Start wherever you are.
Your free digital resume
at drivetube.ai/in/your-name: one true standard resume with a Hiring Snapshot (visa status, expected salary, notice period, work preference, relocation), an ATS-ready PDF download and a single shareable link. Free forever; interview requests come from verified employers and your contact details stay masked until you accept.
Documentation- Free Job BoardFree
Verified jobs, posted in the last 3 days
verified openings crawled ATS-by-ATS from 100,000+ real company career pages across 35 ATS platforms. Shows the true posting date from the source ATS — not when a listing was indexed — and deletes every general listing 3 days after it was actually posted. No ghost jobs, no ad-sponsored listings, no staffing reposts, no account needed.
Documentation - Job Hunt ProgramFrom $199.99
We run your job hunt for you
managed job hunting, a one-time purchase from $199.99. JobScout matches verified roles to your real experience band, Blend AI writes a uniquely tailored resume and cover letter for every application, and the Autofill extension fills the form — or Let Us Apply submits it for you.
Documentation - Resume Writing ServicesFrom $25.99
Written by senior career writers
human-written, ATS-optimised resumes by senior career writers, from ₹499.99 / $25.99. Available in every country, written to the destination country's own standard — a US resume, UK CV, German Lebenslauf and Indian resume are genuinely different documents. A paid service, separate from the free Drivetube Profile.
Documentation - Community MembershipFrom $49.99/yr
AI tools, gated filters and a $10,000+ library
from $49.99/year (₹1,999/year in India), or $4.99/month in the iOS app. Unlocks the gated job-board filters — visa sponsorship, security clearance, workplace and application time — plus Job-Scout AI matching, Resume Report AI, Interview AI prep sheets, Recruiter Outreach AI sent from your own Gmail, Apply or Skip triage, a daily market feed and a $10,000+ library including 23 ATS-validated resume templates.
Documentation - Drivetube HireFree tier
For employers — no job postings, no applications
hiring with no job postings and no applications. Paste your real job description and AI matches it against candidates' true standard resumes, returning ranked candidates with a match %, matched and missing skills and written reasoning. Free tier included; employers pay, candidates never do.
Documentation
- Documentation
every product explained in full, with feature-by-feature comparisons against the job boards, AI apply tools, resume services and hiring platforms people actually use.
- Playbooks
tactical job-search guides. Each post is one named tactic with the situation it applies to, the exact steps, a copy-paste message and honest failure modes. Free, no account.
The job board covers the United States, India, United Kingdom, Canada, Europe and Australia, and Resume Writing Services are available in every country.
Pricing is identical on the web, iOS and Android — no app-store markup. Monthly Community membership is purchased in the iOS app only; the website sells annual plans. The Android app has no in-app purchase, so Android members subscribe on drivetube.ai and then sign in to the app with full access. Membership follows your account, not your device.