Vetted GitHub Professionals

Balaji Vellaluru

Screened ReferencesStrong rec.

Mid-level Software Engineer specializing in full-stack and computer vision systems

Chicago, IL3y exp

“Built D.O.C.T.O.R, a 0-to-1 anatomy learning platform with 450+ 3D models that reached 6,500+ users, saved $850K versus a costly alternative, and was featured in a University of Illinois Chicago news article. The candidate combines product initiative with hands-on full-stack execution, spanning React/Three.js, databases, auth, analytics, and AI workflow automation side projects.”

“Unity/C# game developer who served as CEO and lead developer on the Unity 2D pixel RPG "Rum Runner's Revenge," owning technical direction, modular architecture, and core gameplay systems; the project earned a TIGA award nomination. Also shipped a commercial Unreal Engine title and built an adaptive difficulty system using player performance metrics, leveraging AI tools for rapid prototyping and debugging.”

“Front-end engineer who has independently built sophisticated browser UIs in regulated and high-visibility environments, including an FDA-related medical research dashboard with AI-powered document search and a large-scale animated event site for Prologis. Stands out for combining deep browser performance expertise with strong UX instincts for expert users working with complex, data-heavy workflows.”

Tanya Parker

Screened ReferencesStrong rec.

Senior Frontend Developer specializing in WebXR and Three.js

London, UK9y exp

“XR professional with 9 years in the industry and 3 years using Unity; built a solo Unity city-building/resource management game (BLEAK) inspired by Anno in a dystopian cyberpunk setting. Has shipped web-based XR experiences (not Unity headset titles) and emphasizes pragmatic scope control and production adaptability, honed further during time at Zappar.”

“Full-stack engineer who built a custom LMS end to end with Next.js, TypeScript, Python, AWS, and S3, owning the learning module experience and structured progress tracking. Also shipped a bilingual English-Swahili caregiver support WhatsApp chatbot using OpenAI, with strong attention to safety boundaries, anonymous logging, prompt iteration, and real-world deployment in a sensitive support context.”

“Robotics software engineer from Bigbot who led localization and perception for an outdoor autonomous delivery robot, building ROS2/Nav2-based autonomy with EKF sensor fusion (IMU/odometry/GPS) and perception-driven dynamic costmaps. Experienced taking systems from Gazebo simulation to real-robot deployment, optimizing real-time behavior via logging-driven debugging and latency reduction, and integrating heterogeneous comms (MAVROS/MAVLink, UART/CAN, MQTT) for distributed and multi-robot setups.”

Ose Okpamen

Screened ReferencesStrong rec.

Mid-level Product Manager specializing in UX, growth, and data-driven product strategy

London, UK12y exp

“Product manager from edTech focused on AI-driven, B2B HR training simulations (live work-scenario platforms). Demonstrated measurable funnel improvement by diagnosing a registration drop-off issue, coordinating a cross-functional fix (including Android), and delivering ahead of schedule, resulting in a 20% increase in sign-ons. Has shipped/managed products on web and mobile.”

Basit Siddiqui

Screened ReferencesStrong rec.

Senior Frontend Lead specializing in ed-tech platforms and gamified learning

Islamabad, Pakistan9y exp

“Frontend lead with ~6 years building edtech platforms (LMS + CMS) using Svelte and React/TypeScript. Manages a 6–7 person team and owns architecture, CI/CD, and production quality practices (error boundaries, crash/downtime alerting). Has hands-on experience improving performance at scale via micro-frontends, lazy loading/code splitting, and virtualization/pagination for heavy UI screens (e.g., Bonzo game platform).”

Ridwan Oladipupo

Screened ReferencesStrong rec.

Senior Frontend Engineer specializing in React, Node.js, and AWS

Halifax, Canada11y exp

“Frontend engineer who led the Dash Merchant App and Backoffice platform (React/TypeScript/Redux) supporting $50M+ in monthly transactions. Focused on scalable architecture and reliability—introduced typed API layers, centralized error handling, and performance optimizations (including ~40% load-time reduction) while driving team adoption through incremental refactors, templates, and pairing.”

Katelyn Flores

Screened ReferencesStrong rec.

Mid-level XR Developer specializing in healthcare training simulations

6y exp

“XR Developer II at Orbis Education building multiplayer healthcare training simulations in Unity/C#. Shipped cross-platform experiences on Meta Quest 3 and iPad, including a new oxygen mask/tube simulation system that increased student engagement and learning feedback. Also built a capstone generative-AI patient interaction system replacing IBM Watson with an Ollama-based approach, evaluating cloud vs. self-hosting for latency/cost/reliability.”

“Built a LangGraph-based, tool-routing LLM chatbot to deliver fast, trustworthy investment-stock insights (including tariff impact) and deployed it to production on Snowflake after initially developing in Azure with AI Search and the Microsoft Agent Framework. Improved routing robustness by moving from LLM-based decisions to a deterministic router backed by schema-relationship graphs and YAML metadata, and ran the project iteratively with non-technical stakeholders over an 8-month engagement.”

Hassan Iftikhar

Screened ReferencesStrong rec.

Senior Unity/VR Developer specializing in gameplay systems and multiplayer networking

Lahore, Pakistan4y exp

“Unity developer who has built a Meta Quest 3 VR game as a solo developer, handling everything from VR setup and UI to gameplay and builds, including accessibility-focused mechanics for blind users. Also developed the full base-system module for the shipped mobile game "Death Travelers," implementing 30+ rooms with distinct economy and progression functionality (resource conversion, storage, shop).”

“Frontend engineer who leads high-impact refactors and rebuilds end-to-end, including migrating a legacy Next.js frontend to React + Vite and consolidating fragmented styling into a single MUI Joy design system. Has deep experience improving performance and maintainability in complex, data-heavy UIs (orders/financial pages, multi-step editing flows) through modularization, query optimization, and shared context patterns, with strong QA discipline for sensitive financial actions.”

Nobin Johnson

Screened ReferencesStrong rec.

Mid-Level Software Engineer specializing in full-stack, cloud, and mobile development

Buffalo, NY4y exp

“Backend engineer with open-source web3.js contributions focused on preventing costly smart-contract execution failures, plus hands-on blockchain startup experience scaling an NFT mint from a test EC2 setup to AWS Lambda/API Gateway under extreme concurrency. Built a multiplayer backend improving tick rate from 40 Hz to 105 Hz using UDP, containerization, and Kubernetes, and has healthcare production support experience across 10+ apps. Also publishes IEEE research papers and produces developer-friendly documentation that accelerates team adoption.”

Ronald Forte

Screened ReferencesModerate rec.

Entry-Level Software Engineer specializing in AI APIs and RAG systems

0y exp

“Junior/entry-level AI/LLM engineer who built a production-oriented RAG onboarding and knowledge assistant that ingests GitHub repos and internal sources (e.g., Confluence/Jira) using ChromaDB, with reliability features like retrieval fallbacks, retries, caching, and monitoring. Currently implementing a LangGraph-based multi-agent workflow with intent routing and Pydantic/Magentic-validated structured outputs, plus CI/CD offline evals and online metrics (Grafana/Prometheus) to improve predictability and reliability.”

“Unity/VR engineer with nearly 15 years of experience, specializing in multiplayer architecture, cross-platform systems, and developer tooling. He built and shipped a reusable Unity Netcode-based multiplayer stack with authentication, matchmaking, Vivox voice chat, and custom host migration that reportedly improved development speed by 70% to 80%, and has also supported releases across Meta Quest, consoles, and mobile-related ecosystems.”

“Unity VR developer with hands-on experience shipping and optimizing standalone builds for Meta Quest (and PICO). Led gameplay + networking on a Quest 3 multiplayer social VR experience (real-time sync, avatars/gestures, proximity voice), and also built a mostly solo game that blends fast-paced restaurant simulation with a night-time horror/stealth loop featuring custom AI.”

Jordan Dunaway

Screened ReferencesModerate rec.

Junior Game Developer specializing in gameplay systems and cross-engine development

Lenexa, KS3y exp

“Game-focused QA tester with a developer background who routinely validates builds in player-like environments (including VMs), documents test coverage rigorously, and provides high-signal bug reports with reproducible steps and video evidence. Has partnered closely with designers and engineers on issues like level-loading resource management and prioritizes defects based on player progression and immersion impact; has not shipped a AAA title.”

“Built and owned an end-to-end Python/Postgres job-tracker backend that scrapes job postings (including LinkedIn) using Selenium-driven real-browser automation, with deduplication and data-quality filtering. Has practical experience migrating deployments from DigitalOcean to Vercel and emphasizes documentation, roadmapping, and testing as part of an iterative delivery cycle.”

“Backend/data engineer experienced building enterprise community-platform services for high-traffic global clients, using Python (FastAPI/Django) on Docker/Kubernetes with PostgreSQL/Redis. Has delivered AWS EKS + Terraform/CI-CD deployments with strong security practices (Secrets Manager/SSM, IAM/IRSA) and has hands-on ETL (AWS Glue), legacy modernization, and incident ownership with measurable performance gains (~30% faster queries).”

“Built and productionized an LLM-enhanced version of the WeDAA platform to auto-generate microservice architecture diagrams and support code generation from user prompts, including a practical solution for non-overlapping canvas object placement via coordinate templates. Experienced in diagnosing agentic workflow failures using AWS Strands agents with feature-flagged debug logging, and frequently supports sales through tailored demos and POCs to drive adoption.”