---
title: 'Senior Backend Engineer, Core Services (Game) at Limit Break'
canonical: 'https://feeny.ai/job/senior-backend-engineer-core-services-game-limit-break-tokyo-vzrgjpdnzb2y'
type: 'job'
last_seen: '2026-09-10'
---

# Senior Backend Engineer, Core Services (Game) at Limit Break

- **Company:** Limit Break
- **Location:** Tokyo, Japan
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2024-06-14
- **Last confirmed live:** 2026-09-10
- **Apply:** https://jobs.lever.co/limitbreak/e1f8a0f2-4114-436d-bafa-0a812ec91058

## Job description

Senior Backend Engineer, Core Services (Game)

Location: Tokyo, Japan About us: Deep expertise. Personal and Industry evolution. Impeccable craft. These are Limit Break’s founding principles.

Limit Break is founded by global industry leaders in mobile gaming. We are unlocking its potential beyond games to transform digital markets into real-world economies and digital worlds into vibrant communities who will take gaming economies for both players and traders to new limits. We combine the power of technology, and creative vision to create experiences that connect people from all corners of the globe. Limit Break is backed by leading investors that include Buckley Ventures & Paradigm Ventures. The adoption rate and a number of public and private partnerships is proving it to be the next wave of technology of the future and Gaming is leading the way. About the Role: Limit Break is looking for experienced backend systems software engineers to join our Core Services team. As a senior member of the team, you will be in a position to influence our best practices and processes, and to create a truly customer-driven culture from the ground up.

This is a unique opportunity for an intellectually curious and hardworking team player to help the organization truly shape engineering in blockchain technologies. Responsibilities: Design, implement, and maintain backend services for a live mobile game using Go, gRPC, REST, protobuf, MySQL, Redis, and service-to-service APIs. Own gameplay-adjacent backend systems such as inventory, IAP, live events, leaderboards, messaging, notifications, guild/social systems, scheduling, player state, and live configuration. Build systems that are safe under liveops pressure: remote config, event launches, timed campaigns, content updates, rollbacks, partial failures, and client/server version mismatches. Design APIs and data flows that are backwards compatible with live mobile clients and resilient to retries, duplicate requests, bad network conditions, and stale client state. Diagnose and resolve production issues involving logs, metrics, traces, database state, Redis state, service health, client reports, and live player impact. Collaborate closely with Unity client engineers, design, QA, production, data, and product leadership to turn ambiguous feature goals into reliable live-service behavior. Improve backend architecture, operational visibility, test coverage, deployment safety, and engineering quality through thoughtful design and code review. Participate in incident response and post-launch support for live features, especially during high-volume events, releases, and time-sensitive campaigns. Requirements. Who you are and what you've done. B.S. in Computer Science, or a related field 5+ years of software engineering experience, ideally in backend/server-side development with production services at high scale

## Experience architecting complex software solutions

Experience across the full software development lifecycle from requirements definition through testing and deployment Proficient with at least two programming languages, including one of the following: Go, Node.js, C# Understanding of relational databases and basic unix networking (files, sockets)

## Experience with Docker and containerization

Strong sense of initiative and ownership A "roll up your sleeves" mindset to get the job done Proficiency in English What an ideal candidate looks like: Experience with building online and fast moving mobile games Experience with AWS, Amazon EKS, and building cloud native applications

## Experience with Unity Game Development

## Experience working with Unity client teams

## Experience with full stack development

Apply now: If you are confident, driven and are looking for an exciting role, this job could be a great opportunity for you. Apply to careers@limitbreak.com to explore this new opportunity.

This is an international blockchain gaming company that operates regionally, and is opening offices in multiple locations around the globe.

We value diversity at our company. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or any other applicable legally protected characteristics in the location in which the candidate is applying.

## About Limit Break

## Company Overview
- **One-liner**: Limit Break is a Web3 gaming company that builds massive multiplayer online video games and NFT ecosystems, connecting players globally through blockchain technology.
- **Entity Type**: Private (Series D)
- **Headquarters**: Park City, Utah, United States
- **Founded**: 2021
- **Founders**: Not publicly disclosed (co-founders include former Machine Zone executives) [PocketGamer](https://www.pocketgamer.com/limit-break/machine-zone-alumnus-founds-blockchain-gaming-company/)

## Core Business
- **Primary industry**: Computer Games / Web3 Gaming & NFT Technology
- **Target customers**: B2C (gamers and NFT collectors)
- **Mission statement**: "Combine the power of Web3 and creativity to build experiences that connect people from all corners of the globe." [limitbreak.com](https://limitbreak.com)

## Products & Services
- **DigiDaigaku NFT Collection**: A series of NFT projects featuring Heroes, Villains, Super Villains, Dragon Eggs, and Baby Dragons, built on the ERC721-C standard. [Tracxn](https://tracxn.com/d/companies/limit-break/__Vogcwl1YTWQCScKpEKAjQ2kPhhMm9u5tFBAFjesGHE8)
- **Upcoming Web3 Games**: Massive multiplayer online (MMO) video games designed for Web3, integrating NFT ownership and blockchain mechanics.
- **FreeNFT (Acquired)**: A Web3 asset distribution platform acquired in March 2023 to enhance NFT distribution capabilities. [GlobalFinTechSeries](https://www.globalfintechseries.com/limit-break-acquires-freenft/)

## Market Standing
- **Valuation/Market Cap**: Not disclosed
- **Key Metric**: Annual Revenue $2M (as of latest data) | Total Funding $200M (Series D, August 2022) [Tracxn](https://tracxn.com/d/companies/limit-break/__Vogcwl1YTWQCScKpEKAjQ2kPhhMm9u5tFBAFjesGHE8)
- **Notable Investors/Partners**: Standard Crypto, Buckley Ventures (lead investors in Series D) [Tracxn](https://tracxn.com/d/companies/limit-break/__Vogcwl1YTWQCScKpEKAjQ2kPhhMm9u5tFBAFjesGHE8)
- **Growth Signals**: Employee count grew 18% YoY to 77 (May 2026); 27 active job postings; global workforce across 10 countries; acquired FreeNFT in 2023; launched Super Bowl commercial for DigiDaigaku in 2023 [LinkedIn](https://linkedin.com/company/limit-break) [Tracxn](https://tracxn.com/d/companies/limit-break/__Vogcwl1YTWQCScKpEKAjQ2kPhhMm9u5tFBAFjesGHE8)

## Competitive Advantages
- **Niche in Web3 gaming**: Combines blockchain, NFTs, and game design with a focus on mass adoption (ERC721-C standard).
- **Experienced team**: Talent from top gaming and tech companies (Machine Zone, Niantic, Meta, Animoca Brands, Infinity Ward) [Tracxn](https://tracxn.com/d/companies/limit-break/__Vogcwl1YTWQCScKpEKAjQ2kPhhMm9u5tFBAFjesGHE8)
- **First-mover NFT assets**: DigiDaigaku collections have strong brand recognition and Super Bowl exposure.

## Strategic Focus
- **Priorities**: Expanding Web3 game development, growing the NFT ecosystem, and scaling engineering and creative teams across Japan and the United States.
- **Direction**: Building a bridge between traditional gaming audiences and blockchain technology, with live ops monetization and community-driven design.

## Why Work Here
- **Culture**: Focus on creativity, Web3 innovation, and global collaboration. Company has a strong mentorship program for underrepresented developers (2024 program) [Esports News UK](https://www.esports-news.uk/2024/04/18/limit-break-mentorship-scheme-opens-2024-applications/)
- **Work Policy**: On-site roles in Park City, Utah, and Tokyo, Japan. Many open positions require in-office presence, particularly for engineering and art roles [Lever](https://jobs.lever.co/limitbreak)
- **Notable Perks**: Being part of a well-funded ($200M) startup with high growth trajectory; opportunity to work on cutting-edge Web3 games; diverse international team (10+ nationalities).

## Sources
1. [limitbreak.com](https://limitbreak.com)
2. [LinkedIn](https://linkedin.com/company/limit-break)
3. [Tracxn](https://tracxn.com/d/companies/limit-break/__Vogcwl1YTWQCScKpEKAjQ2kPhhMm9u5tFBAFjesGHE8)
4. [Lever Careers](https://jobs.lever.co/limitbreak)
5. [Built In](https://builtin.com/company/limit-break)
6. [The Org](https://theorg.com/org/limit-break)
7. [PocketGamer](https://www.pocketgamer.com/limit-break/machine-zone-alumnus-founds-blockchain-gaming-company/)
8. [Esports News UK](https://www.esports-news.uk/2024/04/18/limit-break-mentorship-scheme-opens-2024-applications/)
9. [GlobalFinTechSeries](https://www.globalfintechseries.com/limit-break-acquires-freenft/)

## Other roles at Limit Break

- [シニアVFXアーティスト Senior VFX Artist (Japan)](https://feeny.ai/job/vfx-senior-vfx-artist-japan-limit-break-tokyo-9qjn9tne247c) — Tokyo, Japan
- [ゲームデザイナー（機能開発）Game Designer (Events) (Japan)](https://feeny.ai/job/game-designer-events-japan-limit-break-tokyo-47k99w7aapkz) — Tokyo, Japan
- [User Acquisition - Media Planning and Buying](https://feeny.ai/job/user-acquisition-media-planning-and-buying-limit-break-tokyo-vet8ggpg5tt4) — Tokyo, Japan
- [ゲームデザイナー（パズル）Game Designer (Puzzle) (Japan)](https://feeny.ai/job/game-designer-puzzle-japan-limit-break-tokyo-spwzawezbvsy) — Tokyo, Japan
- [Senior Data Scientist シニア・データサイエンティスト (Japan)](https://feeny.ai/job/senior-data-scientist-japan-limit-break-tokyo-j3bp3b8ws2t8) — Tokyo, Japan
- [シニアAIエンジニア Senior AI Engineer (Japan)](https://feeny.ai/job/ai-senior-ai-engineer-japan-limit-break-tokyo-cbbxzeqexv5e) — Tokyo, Japan
- [Director Live Ops and Monetization ライブオペレーション＆マネタイズ担当ディレクター (Japan)](https://feeny.ai/job/director-live-ops-and-monetization-japan-limit-break-tokyo-f426c3gdeja8) — Tokyo, Japan