Hi, my name is
Manas Kalangan.
Software Engineer Intern at Rocket Mortgage, with an MS in Computer Science from the University at Buffalo and ~3 years of industry experience shipping high-scale .NET/C# APIs and Next.js applications backed by PostgreSQL, with hands-on experience building AI-assisted production software.
02. Projects
LegitReach
Analyzes your brand's website and generates a personalized Reddit engagement playbook - telling you exactly which posts to comment on and what content to create, calibrated to each community's culture so you build authentic presence without getting banned.
Next.js · PostgreSQL · Redis · Stripe
ArtAtlas
Explainable hybrid art search engine (keyword + semantic) with a deterministic concept layer - shows why each result appears, not just what matched.
Python · PostgreSQL · pgvector · React
News Feed Service
Twitter-like timeline service with a hybrid fan-out strategy, async Kafka write pipeline, and a read-optimized feed that merges Redis inboxes with pulled posts from high-follower users.
Node.js · PostgreSQL · Redis · Kafka
ProgressionPalette
Emotion-aware chord progression generator using rule-based harmony and probabilistic sampling - no black-box ML, fully interpretable outputs.
Python · music21 · Wikifonia03. Experience
- Built audit logging for loan decisioning workflows with C# and PostgreSQL, improving request/response traceability
- Developed an internal Next.js application that eliminated reliance on external API tools, streamlining loan evaluation workflows for underwriters
- Built high-scale .NET 8 REST APIs improving mortgage approval workflows, reducing escalations by 30%
- Upgraded AWS Lambda functions with Terraform, ensuring fault-tolerant deployments and certificate renewals
- Designed schemas and optimized SQL Server queries aligned with compliance requirements
- Leveraged Github Copilot and Claude Code to accelerate unit testing and debugging, boosting code quality
- Optimized web automation testing on Ginger (open-source, C# / WPF), reducing test suite execution time by 60-90%
- Redesigned OCR feature for PDF readability, achieving a 40% improvement in text clarity
- Achieved 90% code coverage with MSTest across new and legacy features
- Built an internal support web app using ASP.NET MVC, improving client collaboration and issue tracking
- Authored ~200 unit tests using MSTest framework for new and legacy features, achieving 90% code coverage
- Resolved around 3,000 defects and 300 critical bugs, significantly boosting software stability and user satisfaction