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Senior Backend Engineer with 10+ years of experience building scalable, production-grade systems, specializing in Node.js and TypeScript with a strong focus on reliability, performance, and observability. Hands-on experience across MongoDB, Redis, and cloud-native architectures, including Web3 integrations and on-chain data ingestion. I build and operate data-intensive backend services with async processing and background workers, implement caching and performance tuning, and deliver production-ready infrastructure using Docker/Kubernetes and CI/CD. I also bring full-stack and DevOps experience, including monitoring/incident response and cross-team delivery for high-traffic environments and blockchain-based platforms.…Senior Backend Engineer with 10+ years of experience building scalable, production-grade systems, specializing in Node.js and TypeScript with a strong focus on reliability, performance, and observability. Hands-on experience across MongoDB, Redis, and cloud-native architectures, including Web3 integrations and on-chain data ingestion. I build and operate data-intensive backend services with async processing and background workers, implement caching and performance tuning, and deliver production-ready infrastructure using Docker/Kubernetes and CI/CD. I also bring full-stack and DevOps experience, including monitoring/incident response and cross-team delivery for high-traffic environments and blockchain-based platforms.

Tak eshi Suzuki

Back-End Developer, Blockchain Developer, Full Stack Developer, +2

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Senior Backend Engineer with 10+ years of experience building scalable, production-grade systems, specializing in Node.js and TypeScript with a strong focus on reliability, performance, and observability. Hands-on experience across MongoDB, Redis, and cloud-native architectures, including Web3 integrations and on-chain data ingestion. I build and operate data-intensive backend services with async processing and background workers, implement caching and performance tuning, and deliver production-ready infrastructure using Docker/Kubernetes and CI/CD. I also bring full-stack and DevOps experience, including monitoring/incident response and cross-team delivery for high-traffic environments and blockchain-based platforms.…Senior Backend Engineer with 10+ years of experience building scalable, production-grade systems, specializing in Node.js and TypeScript with a strong focus on reliability, performance, and observability. Hands-on experience across MongoDB, Redis, and cloud-native architectures, including Web3 integrations and on-chain data ingestion. I build and operate data-intensive backend services with async processing and background workers, implement caching and performance tuning, and deliver production-ready infrastructure using Docker/Kubernetes and CI/CD. I also bring full-stack and DevOps experience, including monitoring/incident response and cross-team delivery for high-traffic environments and blockchain-based platforms.

Available to hire

Senior Backend Engineer with 10+ years of experience building scalable, production-grade systems, specializing in Node.js and TypeScript with a strong focus on reliability, performance, and observability. Hands-on experience across MongoDB, Redis, and cloud-native architectures, including Web3 integrations and on-chain data ingestion.

I build and operate data-intensive backend services with async processing and background workers, implement caching and performance tuning, and deliver production-ready infrastructure using Docker/Kubernetes and CI/CD. I also bring full-stack and DevOps experience, including monitoring/incident response and cross-team delivery for high-traffic environments and blockchain-based platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Software engineer at Upwork

March 26, 2024 - July 23, 2026

Sr Backend / Full Stack Engineer at Upwork

March 1, 2024 - Present

Designed and operated backend services in Node.js and TypeScript for data-intensive platforms. Built ingestion pipelines and automation workflows integrating external APIs with asynchronous jobs. Implemented caching strategies and database optimizations to improve system performance and reliability. Deployed and maintained services using Docker, CI/CD pipelines, and cloud infrastructure. Worked across frontend tooling and 3D/Unity-adjacent projects (CesiumJS, Three.js) while maintaining backend reliability practices such as testing, monitoring, and production debugging.

Sr Full Stack and DevOps Engineer at Favary

February 1, 2021 - February 1, 2024

Directed backend and DevOps delivery for six large-scale animation game titles (Django, Unity), improving deployment speed and observability across environments. Oversaw a Vietnam-based development team and reviewed PRs, improving testing success rate from 58% to 87%. Integrated Unity Analytics dashboards and deployed ML-driven story algorithms using LLMs and TensorFlow. Optimized project workflows and reduced delivery time by 30% via improved CI/CD and Agile processes. Built internal management tools and marketing site using React and Laravel.

Sr Full Stack Developer at Rivalry

May 1, 2018 - December 1, 2021

Built and maintained blockchain-based backend services supporting casino and gaming platforms. Integrated Web3 transaction flows, wallet interactions, and on-chain data consumption. Designed APIs handling high concurrency and real-time updates. Improved system reliability through automated testing and monitoring pipelines. Contributed to web frontend development with React/Redux and related tooling while supporting backend operations for Web3/EVM integrations.