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Vetted Java Professionals
Pre-screened and vetted.
luis gonzalez
Junior Backend/Platform Engineer specializing in cloud-native APIs and data systems
“Startup-style full-stack/backend engineer with hands-on AWS architecture experience who shipped an LLM-driven assessment-question automation feature (Python microservice calling AWS Bedrock via SQS, deployed on Lambda) with strong validation/guardrails and retry strategies. Also improved production scalability by moving a CPU/IO-heavy file upload path out of a Go API into a queue/Lambda design monitored with CloudWatch, and has React+TypeScript experience optimizing analytics dashboards.”
Pratik Patil
Mid-Level Full-Stack/Product Engineer specializing in B2B SaaS and AI search systems
“Full-stack engineer operating in early-stage, high-velocity environments (OpGov.AI/UST Calibrate) who ships production Next.js App Router features end-to-end (RSC, Server Actions, SEO, RBAC, caching) and owns performance post-launch. Demonstrates strong data/infra depth—designed Postgres JSONB-based event models for DevOps/DORA analytics and tuned queries from ~2s to <50ms, plus built durable ingestion workflows with retries and idempotency on Azure.”
Adwit Gupta
Junior Machine Learning Engineer specializing in cloud-based ML and automation
“Built and shipped a production multi-agent LLM system at Solena that automated internal project intake, validation, reporting, and stakeholder communications using Python, SQL, and LangChain, with strong emphasis on reliability (structured validation, safe defaults, logging, and state tracking). Also used LangGraph to orchestrate a multi-step video summarization pipeline, and has experience partnering with non-technical stakeholders to define “completion” criteria and reporting needs.”
Vamshi Raoulakola
Mid-level Full-Stack & Data Engineer specializing in cloud-native systems and FinTech
“Built and shipped production AI search and RAG features for a university portal, including an embeddings-based semantic search layer and a documentation-grounded assistant with citations and anti-hallucination prompting. Also developed scalable, reliable data pipelines integrating Google Ads/GA4/Meta APIs for automated reporting, with strong focus on evaluation loops and retrieval quality improvements (hybrid search, chunking, query-log driven iteration).”
Radhika Mangroliya
Senior Data Scientist / AI Engineer specializing in LLMs, RAG, and production ML
“Data science professional who has built a production RAG-based LLM question-answering system ("Flash Query") to deliver fast, accurate answers over large document collections, focusing on retrieval quality and grounded responses. Also collaborates with non-technical retail/jewelry stakeholders to turn business questions into predictive models and dashboards for decision-making.”
Sriram Krishna
Mid-Level Software Engineer specializing in AI/ML and cloud-native platforms
“Backend/AI engineer who has built production LLM orchestration and agentic workflow systems in Python/FastAPI on Kubernetes across AWS/Azure. Demonstrated strong reliability engineering by debugging a real-world memory retention issue that caused latency spikes/timeouts, and strong data/performance chops with a PostgreSQL optimization that cut query latency from ~1.2s to ~15ms. Targets roles building scalable, guardrailed AI-driven workflow automation with robust observability and human-in-the-loop controls.”
“Forward Deployed Engineer at EasyBee AI who productionized a self-storage customer’s multi-agent LLM system end-to-end—rebuilding it with LangGraph/CrewAI, integrating with real property management + CRM systems via an MCP server, and adding observability/guardrails for reliable daily use. Experienced in live troubleshooting of agentic workflows, developer demos/workshops (including an open-source project, MerryQuery), and partnering with sales to close deals through customer-specific technical demos and fast integration feedback loops.”
Manas Agarwal
Junior Full-Stack Software Engineer specializing in Python APIs, React, and cloud AI integrations
“Customer-facing software engineer who builds and deploys practical AI/RAG solutions (e.g., an AI assistant for searching billing PDFs) by deeply understanding support workflows and iterating with users. Demonstrates strong production instincts—quickly stabilizing peak-traffic API timeouts with caching/background jobs, then implementing durable fixes with proper monitoring and maintainable code practices.”
Hung Nguyen
Junior Full-Stack Engineer specializing in web platforms and real-time systems
“Full-stack engineer who built a real-estate professional marketplace platform (Maison) end-to-end as the sole engineer, including a multi-portal Next.js/React architecture, real-time WebSocket collaboration, Prisma/Postgres data modeling, and Stripe subscription billing. Also modernized a government disability case-management system from legacy VB.NET to an Angular + Spring Boot web app, citing measurable performance and workflow improvements.”
Guilherme Raposo
Mid-level Full-Stack Software Developer specializing in financial applications for oil & gas
“Frontend engineer who led end-to-end delivery of a financial data grid and optimized it to handle millions of rows using batching and progressive rendering. Experienced modernizing legacy Razor UIs into maintainable React + TypeScript implementations, leveraging React Query and Jotai, and shipping via incremental builds and feature toggles with close QA/client collaboration.”
Ian Li
Senior Test Automation Engineer specializing in mobile UI/API automation and CI/CD
“QA automation engineer (Tencent experience) who extended Android Monkey testing to dramatically increase activity coverage (~300%) and cut runtime from 8 hours to ~1 hour per app. Strong in Cypress/JS test architecture and CI/CD gating (GitLab + Kubernetes parallel runs), and has a track record of reproducing and documenting high-impact reliability issues (e.g., silent failures in a cloud-native mobile automation platform under network loss).”
Kinsey Nietzsche
Senior Software Developer specializing in Unity game development and AR/VR
“Unity/VR gameplay programmer who built a gesture-driven stationary locomotion/teleport feature for a VR tennis eSports title at VRML, enabling players to reposition to predicted ball impact without using controller buttons. Has multiplayer/networking exposure via Photon Quantum and Photon Fusion (BadFly) and works as a generalist solo developer leveraging AI tools for rapid asset creation and code cleanup.”
Mateus Capelesso
Senior Unity/Game Developer specializing in mobile games and gamified experiences
“Unity/VR solo developer with hands-on Meta Quest shipping experience, including an AI-driven anatomy education app using ElevenLabs narration. Spent ~3 years at Brazil-based Pixel SAV building interactive VR experiences, notably a Volvo VR crash test simulation that synchronized VR animations with a custom haptic chair for immersive physical impact simulation.”
Luiz Freire
Mid-level Realtime VFX Artist specializing in game engine effects and shaders
“Real-time VFX artist currently working on Tomo Endless Blue, focused on improving combat feedback and gameplay readability through hit VFX. Experienced in Unity (Shader Graph, VFX Graph, Particle System) and performance-conscious techniques, including replacing heavy particle setups (e.g., falling leaves) with GPU-driven low-poly mesh + shader solutions, iterated through QA/playtests and tracked in Jira.”
Ofek Shaltiel
Mid-Level Full-Stack Software Engineer specializing in AI-enabled web platforms
“Backend/AI engineer in construction tech (HyperWater AI) who delivered major production performance wins (analytics API from ~1 hour to 0.5s) and shipped LLM features for parsing subcontractor manifests into CSI divisions with human-in-the-loop review. Also built a freelance agentic document-verification system using OCR + RAG over pgvector with robust retry/escalation logic and user feedback loops.”
Benjamin Agyekum
Senior Full-Stack Software Engineer specializing in AI-powered web and mobile applications
“Backend/full-stack TypeScript engineer who has owned end-to-end, production-oriented systems including an AI property management platform (NestJS/Postgres/WebSockets on Google Cloud using Gemini Vision) and an AI logistics platform (Node/Redis queues/Postgres) focused on low-latency, correctness, and observability. Also designed a public GraphQL API and TypeScript SDK for education partners at StudyFetch, citing 40+ partner integrations in the first quarter.”
Annie Suzan Edwin Arokiaraj Caroline
Junior Full-Stack Software Engineer specializing in distributed systems and data pipelines
“Backend engineer with hands-on experience building distributed data and API platforms (Kafka + Neo4j on Kubernetes), including processing 3M+ NYC taxi trip records and achieving sub-second graph analytics queries. Strong focus on reliability and performance in Python/FastAPI systems—async refactors, caching, timeouts/retries, feature-flagged rollouts, and JWT/RBAC security for production services.”
Samee Rauf
Junior AI/Full-Stack Software Engineer specializing in ad automation and LLM systems
“Full-stack engineer with deep ad-tech/marketing automation experience, building production tools that reduce programmatic ad waste and improve search ads performance. Shipped and operated AWS-deployed, Dockerized systems with Postgres/Redis and strong observability (Datadog/OpenTelemetry), and delivered measurable impact (25k campaigns processed, 50k sites negated, 3–4 hours/week saved). Built scalable abstractions for multi-platform ad integrations, enabling rapid onboarding of additional clients.”
Abhinav Malkoochi
Junior Full-Stack Engineer specializing in AI and automation
“Startup-focused builder who created and iterated an MVP for Enky, a two-sided marketplace connecting music artists and creators, informed by hundreds of customer interviews. Implemented CI/CD, monitoring (PostHog/Sentry), and a complex payout pipeline involving scraping social platforms and routing escrow payments via Stripe, and has a track record of quickly debugging production issues (e.g., iOS-specific OAuth cookie failures).”
Himanshu Shivkumar Garg
Senior Full-Stack Java Developer specializing in Healthcare IT and FinTech
“Built and owned an end-to-end HIPAA-compliant Next.js/TypeScript portal at Casedok using a microservices, event-driven architecture with Temporal-orchestrated SAGA workflows. Emphasizes production-grade quality (strict typing, Jest integration tests, CI + mandatory PR reviews) and operational reliability/observability (circuit breakers, idempotency, Prometheus alerts), plus experience designing external-facing APIs with Swagger, JWT, and backward-compatible versioning.”
Sanskar Pandey
Junior Full-Stack Java Developer specializing in FinTech microservices
“Full-stack engineer with production experience building a real-time order tracking system using React + Firebase/Firestore, emphasizing audit-friendly data modeling, state-machine-based status transitions, and strong post-launch ownership (performance, security rules, reliability). Demonstrated measurable frontend performance gains by isolating real-time updates to dynamic components and applying memoization, plus backend reliability patterns (idempotency, retries) and SQL query/index optimization validated with EXPLAIN ANALYZE.”
Luiz Junior
Executive XR Engineer specializing in Unity-based VR/AR/MR platforms
“Unity/C# VR engineer specializing in medical simulation: built a VR surgical trainer with real dual robotic-arm hardware integration and a full surgical workflow UI used to retrain doctors (with published results). In 2024, re-architected multiplayer for a Becton Dickinson medical VR product by creating a FishNet layer that emulated Photon PUN using Roslyn + IL-level codegen to avoid large-scale rewrites, and ships cross-platform VR (Quest) + mobile experiences.”
Raahul Krishna Durairaju
Junior Software Engineer specializing in distributed systems and ML platforms
“Built and deployed real-world systems end-to-end across security and healthcare contexts: led a 3-person team delivering a university vehicle tracking system with 30% cost savings and 1-year post-launch monitoring. Also implemented a healthcare RAG chatbot with adaptive query routing that cut LLM costs by 40% while maintaining answer accuracy, and has experience debugging non-deterministic LLM behavior in DevOps pipeline automation.”
Joshua Rechkemmer
Mid-level Unity XR Engineer specializing in multiplayer VR training
“Game developer with hands-on experience shipping multiplayer products in Photon Fusion and building cross-platform XR/VR training simulations for Meta Quest, HTC Vive, PICO, and Windows PC. They combine gameplay systems architecture in Unity/C# with practical multiplayer debugging and a platform-conscious performance approach shaped by VR constraints.”