Senior Full Stack Developer

Senior Full Stack Developer

Position Summary

We are seeking a highly skilled Senior Full Stack Developer to design, develop, and maintain scalable web applications and backend services. The ideal candidate will have extensive hands-on experience with Node.js, Express.js, React.js, PostgreSQL, Redis, AWS cloud services, and GitHub-based development workflows. This role requires a strong individual contributor who can lead technical initiatives, mentor junior developers, and deliver high-quality software solutions.

Key Responsibilities

• Design, develop, test, and maintain full-stack web applications.
• Develop scalable backend services and APIs using Node.js and Express.js.
• Build modern, responsive, and high-performance frontend applications using React.js.
• Design and optimize PostgreSQL databases and Redis caching solutions.
• Collaborate with Product Managers, UI/UX Designers, QA teams, and DevOps engineers to deliver product features.
• Participate in technical design discussions and contribute to architectural decisions.
• Write clean, maintainable, and well-documented code following best practices.
• Conduct code reviews and mentor junior and mid-level developers.
• Troubleshoot and resolve application performance, scalability, and security issues.
• Support production deployments and participate in incident resolution when required.
• Contribute to continuous improvement of development processes and engineering standards.

Required Technical Skills

Backend Development

• 5+ years of experience with Node.js and Express.js.
• Strong experience building RESTful APIs and microservices.
• Experience with authentication, authorization, and API security.
• Understanding of asynchronous programming and event-driven architectures.
• Experience integrating third-party APIs and external services.

Frontend Development

• Strong experience with React.js.
• Proficiency in JavaScript (ES6+), HTML5, CSS3, and responsive design.
• Experience with modern frontend tooling and state management solutions.
• Ability to create performant and user-friendly web applications.

Database Technologies

• Strong expertise in PostgreSQL database design and query optimization.
• Experience with Redis for caching, session management, and performance enhancement.
• Knowledge of database indexing, replication, and scaling strategies.

AWS Cloud Services

Hands-on experience with AWS services including:

• EC2
• ECS/EKS
• RDS
• S3
• CloudFront
• Lambda
• API Gateway
• Route 53
• CloudWatch
• IAM
• Secrets Manager

Additional requirements:

• Experience deploying and managing cloud-native applications.
• Understanding of infrastructure scalability, monitoring, and security best practices.

Source Control & CI/CD

• Strong experience with Git and GitHub.
• Experience managing repositories, pull requests, and branch strategies.
• Hands-on experience with GitHub Actions and CI/CD pipelines.
• Familiarity with release management and automated deployment processes.

Preferred Qualifications

• Experience in online gaming, sportsbook, casino, fintech, or high-volume transaction platforms.
• Experience with WebSockets and real-time application development.
• Familiarity with Docker and containerized deployments.
• Knowledge of application security best practices.
• Experience with logging, monitoring, and observability tools.
• Familiarity with cryptocurrency and blockchain integrations is a plus.

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication and collaboration skills.
• Ability to work independently and manage multiple priorities.
• Experience mentoring junior developers and contributing to team growth.
• Strong ownership mindset with a focus on quality and delivery.

Education

• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent practical experience.

What Success Looks Like

• Deliver high-quality, scalable, and secure software solutions.
• Consistently meet project timelines and development milestones.
• Contribute to technical architecture and engineering best practices.
• Improve application performance, reliability, and maintainability.
• Support team success through collaboration, mentoring, and technical excellence.