Senior Full-Stack Developer (NXJ-131)

We are looking for an exceptional and highly experienced Senior Full-Stack Developer to join the client’s core team. In this role, you will play a key technical part, taking ownership of developing the most mission-critical features from concept to production. You will combine hands-on coding expertise with strategic architectural insight to ensure the systems are robust, scalable, and performant. Responsibilities Technical Leadership & Execution: Lead the full development lifecycle of core features, maintaining hands-on coding excellence while guiding the technical process System Architecture: Architect and implement complex, scalable, high-performance distributed systems Collaboration: Partner with Product Managers, Designers, and cross-functional teams to turn product visions into actionable technical requirements Continuous Improvement: Promote evolution of development processes, infrastructure, and overall code quality Mentorship: Provide guidance to team members, conduct code reviews, and establish engineering best practices Requirements Experience: 7+ years of hands-on software development experience Backend Mastery: Minimum 5 years of backend development using Python or Node.js Frontend Expertise: 3+ years with React or similar frameworks (Angular/Vue.js) Architectural Depth: Proven skills in system architecture, design patterns, and distributed system design API Design: Strong expertise in RESTful or GraphQL API design and implementation Soft Skills: Highly independent, ownership-driven mindset, excellent communication and interpersonal abilities Will be a plus Entrepreneurial Spirit: Experience as a founding team member or early startup employee is a strong plus Cloud Proficiency: Hands-on experience with AWS, GCP, or Azure Data Management: Knowledge of relational and NoSQL databases (PostgreSQL, MongoDB, Redis) DevOps & Infrastructure: Experience with Docker, Kubernetes, and CI/CD automation Education: B.Sc. in Computer Science or Software Engineering, or alumni of an elite military technological unit What we offer Competitive salary and benefits package Medical insurance Top equipment kit Full Remote Collaborative and innovative work environment Career growth and development opportunities A chance to work with a talented and driven team of professional About the project Our client is a fast-growing digital marketing leader helping DTC brands scale globally. Their AI and Big Data platform powers real-time campaign optimization and data-driven insights. Combining full-stack marketing expertise, PPC, creative production, and funnel optimization, they deliver high-impact, ROI-driven campaigns while supporting brand growth.