Senior Full-Stack Engineer – Build & Scale a Modern Web Application

We are looking for an experienced Senior Full-Stack Engineer to join our team and take ownership of building, improving, and scaling a modern web application. The ideal candidate should have strong experience working across both frontend and backend development, be comfortable making technical decisions independently, and have a strong focus on writing clean, maintainable, and scalable code. What You'll Do Design, develop, and maintain scalable full-stack web applications. Build robust backend APIs and business logic. Develop responsive, user-friendly frontend interfaces. Integrate third-party APIs and external services. Design and optimize databases for performance and scalability. Identify and resolve bugs, performance issues, and technical bottlenecks. Write clean, reusable, well-documented code. Participate in architecture and technical decision-making. Implement authentication, authorization, security, and data protection best practices. Collaborate with product, design, and other engineering team members. Review code and maintain high engineering standards. Take ownership of features from development through testing and deployment. Required Skills Backend Strong experience with Python/Django, Node.js, or similar backend frameworks. REST API development and third-party API integrations. Experience with database design and optimization. Strong understanding of authentication, authorization, and security. Frontend Strong experience with React.js or a similar modern JavaScript framework. JavaScript/TypeScript, HTML5, and CSS. Experience building responsive and performance-focused interfaces. Database & Infrastructure Experience with PostgreSQL, MySQL, MongoDB, or similar databases. Understanding of cloud platforms such as AWS, Azure, or Google Cloud. Experience with Git/GitHub and modern development workflows. Familiarity with Docker and CI/CD is a strong plus. Senior-Level Expectations We are looking for someone who can do more than simply implement assigned tasks. You should be able to: Understand business requirements and translate them into technical solutions. Make sound architectural and technology decisions. Proactively identify potential issues and suggest improvements. Write production-ready, scalable code. Work independently with minimal supervision. Communicate clearly and provide regular progress updates. Take ownership and deliver features on time. Nice to Have Experience with AI/LLM integrations or AI-powered applications. Experience with asynchronous processing and event-driven architectures. Experience with microservices. Experience with cloud infrastructure and deployment. Experience working with SaaS products. Experience with automated testing and monitoring/observability. What We Offer Long-term opportunity for the right developer. Challenging and technically interesting work. Opportunity to have a meaningful impact on the product architecture. Flexible remote working environment. Direct collaboration with the product and technical team. How to Apply Please include: A brief introduction about yourself. Examples of 2–3 relevant projects you have worked on. Your experience with the technologies mentioned above. Your availability and expected weekly hours. Your hourly rate.