Senior Fullstack Developer, Chessable & Courses

About Us

Chessable is leading chess e-learning platform using innovative technology to support chess players and authors. It is part of Chess.com - #1 platform for playing, learning, and enjoying chess.

Chess.com is a team of 600+ fully remote people in 60+ countries working hard to serve the global chess community. We are here to support 200M+ chess players worldwide with the best possible product, content, and tools to serve the community!

We are a tech company. A gaming company. A content company. And we do it all with passion and commitment to the game. Above all we prize our mission-driven, flat, life-celebrating, no-corporate culture, and we look forward to meeting you and learning more about what you can bring to the team.

About You

You are an experienced full-stack engineer with practical knowledge of how to build, release and maintain applications for millions of users. You understand all layers of the stack from infra + databases → devops → backend → frontend. You have internalized best practices and patterns that allow you to deliver value with quality and velocity.

You evolved beyond traditional development into an AI-first engineering mindset. While your foundation is built on deep practical understanding of software and production systems, you are highly skilled at agentic orchestration. You have integrated agents into your core workflow, supervising them to focus on high-impact architectural decisions, security, and scalability. You understand that clean code and design patterns aren't just for human readability - they are essential for maintaining clear context and an AI-friendly codebase.

You are a team player willing to share your wisdom and creativity with the group of talented and kind people like you. You love coding and building software for fun. You played chess or want to try to play chess.

About our code and infrastructure

• PHP 7.4+ and PHP 8.3+ for majority of our backend code (Slim and Symfony frameworks)
• TypeScript / JavaScript (React, Vue.js,some jQuery 🙈) for frontend implementations
• MySQL
• Elastic Search
• Redis
• RPC and REST for API communication, Kafka as a cross-service bus, RabbitMQ for internal queuing, Websockets for some special use-cases
• Docker / Orbstack, Kubernetes, ArgoCD
• PHPStan, Psalm, PHPUnit, Playwright, PHPCSFixer for ensuring the stability and great developer experience
• Git pushing your code to Bitbucket and GitHub
• Kibana, Sentry, DataDog, Stackify, Blackfire for observability and performance profiling
• Cursor / Claude / Junie for supporting your day to day operations with unlimited agents

What you'll do

You will work with a team of experienced engineers on building new and maintaining existing functionalities. You will contribute to the decisions around technology and architecture of new solutions. You will have fun meeting awesome mission-driven people. You will grow Chess.

Preferred skills & experience

• Experience with PHP 7.4+ with at least two popular PHP frameworks
• Experience with MySQL or another relational database
• Experience with ElasticSearch, SOLR, MongoDB or any other popular NoSQL database
• AI-first mindset & Prompt Engineering
• API-first design & proficiency in architecting RPC, RESTful or GraphQL APIs
• Familiarity with message brokers like Kafka, RabbitMQ, Redis Pub/Sub or Amazon SQS
• Performance profiling & code debugging, familiarity with tools like XDebug or Blackfire
• CI/CD orchestration - understanding how to bake automated testing and static analysis (PHPStan / Psalm) into deployment pipeline
• Understanding of programming good practices and design patterns
• Strong collaboration and communication skills working in a fully distributed team
• Sense of ownership and responsibility
• Chess player
• Lifelong learner

About the Opportunity

• This is a full-time opportunity
• We are 100% remote (work from anywhere!)

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You can learn more about us here:

• https://www.chess.com/article/view/how-chess-com-virtual-team-works-together
• https://www.chess.com/about