Software Engineer

🔥 31 minutes ago

🌏 Anywhere in the World

⏰ Full Time

🟡 Mid-level

🟠 Senior

🖥 Software Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Xsolla

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2005

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Xsolla is a company specializing in game commerce solutions. It provides tools and services that empower video game developers to monetize, distribute, and fund their games, helping them to increase revenue at any stage of development. Xsolla offers a wide range of solutions such as customizable web shops, payment processing, fraud prevention, and social packages to enhance player engagement. With over 19 years of experience in the video game industry, Xsolla collaborates with developers and publishers globally to manage compliance, taxes, and operational complexities, allowing them to focus on connecting with their players. Their services are designed to work with popular game development platforms like Unity, Unreal, and Cocos Creator, supporting a wide array of local payment methods worldwide.

📋 Description

• Build and own features end to end across backend, frontend, and production • Make and document on-chain/off-chain architecture decisions • Ensure security and correctness of signing flows, contract interactions, keys, and secrets • Build backend services in Go and TypeScript for chain indexing, transaction relaying, event processing, and APIs • Build infrastructure backend services for tokenizing in-game items and currencies • Build React dApp frontends for wallet connection, transaction signing, and on-chain state • Integrate smart wallets, accounts, paymasters, and bundlers into products • Develop SDKs used by game studios and partners • Monitor production services and contracts and participate in on-call rotation • Review code • Configure and maintain AI tooling in repositories • Collaborate with product managers, designers, smart contract, backend, frontend, QA, and DevOps engineers

🎯 Requirements

• 5+ years of commercial software development • Senior-level production experience across backend and frontend • dApps shipped to production and maintained • Production experience with viem and wagmi • Knowledge of wallet signers, EOAs, browser and embedded wallets, smart accounts, personal_sign, EIP-191, EIP-712, EIP-1193, and network switching • Hands-on experience with smart wallets, UserOperations, paymasters, and ERC-1271 • Production services experience with Go and TypeScript/Node.js • Experience processing on-chain events, including idempotency, reorg handling, and retries • Experience with asynchronous messaging and event-driven design using Kafka, RabbitMQ, or NATS • Experience with PostgreSQL and Redis • Experience designing REST and gRPC APIs • Experience with React and TypeScript • Knowledge of web security fundamentals including XSS, CSRF, CSP, and safe handling of signatures and keys in the browser • Ability to read and understand Solidity contracts and the EVM • Knowledge of smart contract vulnerability classes including reentrancy, front-running/MEV, oracle manipulation, and signature replay • Experience with Docker and Kubernetes • Experience with observability, including metrics, logs, tracing, alerting, and production incident diagnosis • Testing experience with unit, integration, and E2E tests • Git and CI/CD experience • Daily hands-on use of AI coding tools such as Claude Code, Codex, or Cursor, including repository configuration • Spoken English at B2 level or higher

🏖️ Benefits

• Medical, dental, and vision coverage • PTO • Personalized career roadmap for each employee • Professional development through training and educational opportunities • Flexible schedule • Remote work worldwide