Vetted Kotlin Professionals

Pre-screened and vetted.

SK

Mid-level Software Engineer specializing in backend microservices and cloud services

Tracy, CA4y exp
AmazonSan Jose State University
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SP

Mid-level Full-Stack Java Developer specializing in cloud-native microservices

Canada6y exp
Rediron TechnologiesCambrian College
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EO

Senior Software Engineer specializing in distributed systems and cloud infrastructure

U.S.A., U.S.A.12y exp
ElasticUniversity of Georgia
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HT

Hassam Tariq

Screened

Mid-Level Software Engineer specializing in Cloud, GenAI, and Federal systems

Arlington, VA
DeloitteUniversity of Maryland, College Park

Cloud-focused engineer experienced deploying and stabilizing complex production systems that span APIs, infrastructure, and automated workflows, with a strong observability and safe-release mindset (feature flags/canaries/rollbacks). Has hands-on, customer-facing incident leadership, including executing DR regional failover during an AWS us-east-1 outage to maintain service and reportedly save a client ~$10M.

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CS

Junior AI/ML Engineer specializing in real-time computer vision and tracking systems

2y exp
Credence Management SolutionsUniversity of Maryland, College Park

Full-stack engineer who built and owned a production real-time computer-vision inference platform at Credence, spanning Next.js App Router/TypeScript frontend with SSE/WebSocket streaming, a Flask backend, and Postgres analytics. Demonstrated measurable performance wins (70% fewer re-renders; latency cut to ~40–50ms) and strong production rigor (durable orchestration, idempotency, observability, AWS EC2 + CI/CD) with tight post-launch UX iteration based on analyst feedback.

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Sandeep Mekala - Director-level Mobile Engineering Manager specializing in Generative AI and agentic mobile experiences in Remote

Director-level Mobile Engineering Manager specializing in Generative AI and agentic mobile experiences

Remote13y exp
T-MobileSilicon Valley University

iOS player-coach who led end-to-end development of real-time customer support chat and unified notification systems for T-Mobile’s iOS app using SwiftUI, Firebase, WebSockets, and Core Data (including offline handling). Drove measurable reliability/latency gains (~30%) through a major notification refactor and owned a high-severity push-notification incident from rollback through RCA and backward-compatible hotfix, while also scaling team process and people management.

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Shravya Shashidhar - Intern Software Engineer specializing in LLM agents and full-stack development in Seattle, USA

Intern Software Engineer specializing in LLM agents and full-stack development

Seattle, USA1y exp
Unwind AIUSC

Embedded C++ engineer with Bosch automotive infotainment experience, owning real-time audio middleware modules with strict latency/memory constraints. Strong in profiling/optimizing deterministic behavior, debugging hardware-specific intermittent issues, and building automated test + CI pipelines; currently ramping up on ROS2 concepts (DDS, nodes/topics/services) to transition toward robotics.

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DD

Staff Software Engineer specializing in interactive 3D, games, and developer platforms

New York, USA19y exp
Dopple IncRochester Institute of Technology

VR/social platform engineer with experience at AltspaceVR, Mozilla Hubs, and Dopple, spanning Unity/C#, custom engine networking, and early voice-agent systems. Particularly compelling for roles at the intersection of multiplayer, XR, and AI: they’ve built data-driven avatar systems, ownership-based netcode, VR replay capture, and a custom real-time voice->LLM->voice stack integrated with hardware and computer vision.

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SC

Shujie Chen

Screened

Entry-Level Full-Stack Software Engineer specializing in web, mobile, and distributed systems

Remote0y exp
Jiangxi Arts & Ceramics Technology InstituteUSC

Backend engineer who built a Logistics-as-a-Service platform in Go, proactively refactoring a monolithic REST service into gRPC microservices to improve performance and maintainability. Led a 3-person team with disciplined code reviews, Dockerized DB migrations, and a canary-style rollout (5% traffic) monitored for latency and failures; also implemented JWT/OAuth2 RBAC and production-minded edge-case handling in an ordering system.

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Allan Farinas - Senior Full-Stack Software Engineer specializing in Python and AWS in West Covina, CA

Allan Farinas

Screened

Senior Full-Stack Software Engineer specializing in Python and AWS

West Covina, CA11y exp
CareRevCal Poly Pomona

Backend/data engineer who has built production Python microservices (FastAPI) and AWS-native platforms for event ingestion and analytics, combining ECS/Fargate + Lambda with CloudFormation-driven environments and strong secrets/IAM practices. Experienced modernizing legacy logic with parallel-run parity validation and safe phased cutovers, and has demonstrated measurable SQL tuning wins (20–30s down to 1–2s) plus incident ownership in Glue/Step Functions ETL pipelines.

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Jungbeom Lee - Mid-level Mobile Software Engineer specializing in Android performance and growth in Irvine, CA

Jungbeom Lee

Screened

Mid-level Mobile Software Engineer specializing in Android performance and growth

Irvine, CA6y exp
FreelanceUCLA

Backend engineer with primary experience in Node.js and serverless AWS/Firebase architectures. At iSharingsoft, owned a data sync protocol optimization effort—used server log analysis to find redundant read/write calls, redesigned sync logic, added caching, and reduced server traffic by 15%, improving performance and cost.

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JL

Director-level Full-Stack Engineer specializing in web platforms and APIs

New York, NY26y exp
8 Bit Bricks LLCNJIT

Built Bargain Bricks end-to-end as a solo creator, handling product ideation, design, backend, APIs, website, and native iOS/Android apps. They actively maintain and iterate on the product, which has over 1,000 downloads, and have improved conversion through UI changes that surfaced the best deal above the fold.

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RP

Raj Patel

Screened

Mid-level Full-Stack Software Engineer specializing in cloud-native web applications

Canton, Michigan3y exp
DiscoverUniversity of Michigan

Backend engineer with hands-on experience scaling a Python/Flask incident-logging platform processing thousands of daily logs. Strong in performance tuning (PostgreSQL/SQLAlchemy query optimization, partitioning, summary tables) and reliability patterns (Redis caching, Celery background workers, Docker + Jenkins CI/CD), with some multi-tenant data isolation experience via separate DBs/schemas.

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Jhansi Bendi - Senior Software Engineer specializing in cloud-native microservices and event-driven systems in Antioch, CA

Jhansi Bendi

Screened

Senior Software Engineer specializing in cloud-native microservices and event-driven systems

Antioch, CA18y exp
SephoraRashtriya Sanskrit Sansthan

Senior engineer/tech lead with 18+ years building large-scale distributed applications, specializing in performance and reliability improvements. Recently owned multiple apps on an email personalization team, shipping major optimizations (including a push-update feature and audience-count architecture redesign) that reportedly lifted system performance from ~50% to ~99% while also leading code standards, reviews, and mentoring.

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Jen-Hung Chang - Mid-level Software Engineer specializing in cloud infrastructure and distributed systems in Hsinchu, Taiwan

Mid-level Software Engineer specializing in cloud infrastructure and distributed systems

Hsinchu, Taiwan4y exp
TSMCDuke University

Backend/platform engineer who built an AI RAG system on FastAPI/Postgres/AWS with 10+ microservices, vector search optimization (ANN + two-stage re-ranking), and GitOps-driven CI/CD that cut deploy time from hours to minutes. Also deployed Java identity services on Kubernetes at TSMC for 200K+ users using ArgoCD/Azure Pipelines, and built a reliable real-time IoT pipeline (MQTT/Node/MongoDB) with strong consistency controls.

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Mitchell Samora - Senior Software Engineer specializing in game development and cross-platform apps in Duvall, WA

Senior Software Engineer specializing in game development and cross-platform apps

Duvall, WA19y exp
Supernatural FitnessWestwood College

Client Platform engineer with strong Unity/C# background who built a spec-driven code generation system bridging Unity C# to Kotlin and a React/JavaScript UI layer, reducing feature implementation overhead by hours. Has shipped/implemented networking layers for multiple games (including a mobile MOBA) spanning deterministic action-logging approaches and physics/state sync with latency compensation, and built desync detection to debug divergence. Also prototyped a shared VR/mobile app architecture at Meta (Supernatural) demonstrating a single codebase running on both.

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YL

Yunjie Liu

Screened

Junior Software Engineer specializing in bioinformatics and full-stack development

Remote3y exp
Baylor GeneticsCornell University

Built and stabilized production data pipelines in clinical genomics, including integrating a qPCR step into Baylor Genetics' workflow with a focus on reliability, turnaround time, and reducing manual intervention. Also has hands-on LLM production experience, creating a Python/OpenAI-based translation evaluation pipeline that reduced manual review time by 70% and improved scoring consistency.

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AG

Mid-level Full-Stack Java Developer specializing in FinTech

New York, NY5y exp
JPMorgan ChaseKent State University

Built a production AI-powered insights platform for marketing teams analyzing large-scale social and news data, combining Java microservices, Kafka, Spark, React, and LLM-based retrieval workflows. Stands out for shipping customer-facing AI features with measurable gains in accuracy and latency, plus solid reliability practices for high-volume backend systems.

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Thomas Le - Junior Full-Stack Software Developer specializing in web, mobile, and health tech in Remote

Thomas Le

Screened

Junior Full-Stack Software Developer specializing in web, mobile, and health tech

Remote2y exp
HomigoCal Poly San Luis Obispo

Developer who uses AI as a productivity accelerator while maintaining strong ownership of code quality, security, and readability. Built an AI-powered planning tool during the PolyPrompt hackathon that transformed messy project requirements into structured tasks, timelines, and assignments, and has also led human teams through Veggie Rescue with a focus on user-aligned execution.

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BR

Mid-Level Software Engineer specializing in cloud-native distributed systems

Sunnyvale, CA5y exp
WalmartArizona State University

Backend/platform engineer who has built and run production Python/Flask + Kafka microservices processing RFID and camera/RFID fusion streams for near-real-time retail cart updates at ~4–5M events/day. Strong in reliability/performance debugging (p99 latency, Kafka lag, Cosmos DB RU hot partitions) with measurable impact including ~30% database cost reduction, and has also shipped an end-to-end vulnerability scanning workflow with DynamoDB-backed state, idempotency, and robust retry/verification guardrails.

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