Principal Software Engineer

**About the Project:** Our mission is to build the world’s first human-like Agentic AI or autonomous relationships, that combine friendship, deep game knowledge, and 24/7 availability, giving every High Value Player a trusted partner to play, share, engage, and grow with. A proactive, emotionally aware AI concierge for every VIP. - Real-time engagement that drives retention and LTV. - Handles offers, rewards, and social dynamics intelligently. - Built for tone, timing, and context. Feels human, acts instant. - Delivers measurable impact on both revenue and operations. **Responsibilities:** *End-to-End Feature Ownership* - Take full responsibility for delivering product features from idea to production (design, software development, implementation, testing, deployment, monitoring). - Collaborate with product/design to define scope, API contracts, and UX flows. *System & Architecture Design* - Produce High-Level Design documents (HLDs) for complex features, integrations, and system flows. - Advocate for scalable, maintainable architecture choices from day one. - Participate in and lead technical discussions, design reviews, and architecture sessions. *Frontend Engineering (React)* - Build responsive, modern UI with React and TypeScript. - Implement component architecture, state management, hooks, and performance optimizations. - Integrate frontend with backend APIs following clean contract definitions. *Backend Engineering (NestJS)* - Develop REST APIs, micro-modules, authentication flows, and business logic using NestJS. - Design and document API schemas, DTOs, validation, and error handling. - Implement integrations with 3rd-party services when needed. *Database & Data Modeling (PostgreSQL)* - Design normalized data models and schemas that support MVP and future scalability. - Write efficient SQL queries, migrations, and data-access layers. - Ensure integrity, indexing strategy, and performance best practices. *AWS Cloud & DevOps* - Deploy and maintain services on AWS (ECS, Lambda, SQS, CloudWatch, RDS, S3). - Set up CI/CD pipelines using GitHub Actions. - Build observable systems with logs, metrics, and monitoring. - Maintain production-grade cloud architecture with best practices around security, networking, performance, and cost. *Code Quality, Testing & Documentation* - Write clean, maintainable, well-tested code (unit + integration). - Create technical documentation, diagrams, and design notes. - Review PRs and help cultivate excellent engineering standards. *Communication & Collaboration* - Communicate clearly, proactively, and transparently. - Discuss design tradeoffs, raise risks early, and push for clarity. - Give and receive feedback with professionalism and openness. - Work closely with founders to shape the product roadmap. - Move fast without compromising essential quality. - Be flexible in scope and willing to jump into any part of the stack. **Requirements:** - 7+ years of experience as a fullstack engineer. - Strong proficiency in React, TypeScript, and modern frontend tooling. - Strong experience with NestJS and backend design. - Solid understanding of PostgreSQL, data modeling, and SQL performance. - Microservices or event-driven architecture knowledge. - Hands-on experience deploying cloud apps on AWS. - Strong Git, GitHub and GitHub Actions experience. - Excellent communication. - Strong collaboration mindset. - Open to feedback and design discussions. - Ability to simplify complexity. - Proactive, independent, and ownership-driven. - Product mindset with attention to detail. - (Nice-to-have) Infrastructure-as-a-code experience. - (Nice-to-have) Observability tooling familiarity. **Industry:** Support Services for Gaming **At Sourcico We Offer:** - A competitive salary - A comprehensive benefits package, including health, retirement plan, paid time off, etc. - A flexible and hybrid work environment - A supportive and collaborative work culture - A chance to work on exciting and challenging projects with diverse clients - An opportunity to grow and advance your career with continuous learning and development If you are interested in joining our team, please apply now by sending your resume and cover letter. **We look forward to hearing from you soon!** \* Only relevant candidates will be contacted. Burimi: https://mk.linkedin.com/jobs/view/principal-software-engineer-at-sourcico-4353242474

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