Senior Backend Engineer (Node.js)

🌟 We’re Hiring: Senior Backend Engineers (Node.js, Express, Fastify) 🌟Please read the full details before you applyPosition: Senior Backend EngineerLocation: Mirpur DOHS, Dhaka, BangladeshVacancy: 03Job Nature: Full-Time (Onsite)Office Day: Saturday - Wednesday ( Thursday & Friday off)Office Hours: 9:00 AM – 6:00 PMCompensation: BDT 70,000–80,000 (Negotiable for top talent)Company OverviewZalmi Technology is a forward-thinking software company building innovative digital products and SaaS platforms. We combine world-class engineering with visionary product leadership-creating an environment where you can build meaningful, high-impact technology.Role OverviewWe are seeking highly skilled Senior Backend Engineers experienced in Node.js, Express.js, and Fastify to architect and develop scalable, high-performance backend systems. You will help drive technical decisions, mentor junior engineers, and play a key role in shaping the backend architecture of our products.Key Responsibilities🔧 Architect, design, and develop robust backend systems & REST/GraphQL APIs ⚙️ Build scalable backend architectures for modern web & SaaS applications 🗄 Work with MongoDB/PostgreSQL using Prisma/Mongoose 🔒 Ensure high-level API security, performance, and optimization 🤝 Collaborate closely with product, frontend, and DevOps teams 👨‍🏫 Mentor junior engineers and enforce engineering best practices 🐳 Manage deployment workflows using Docker, Git, and CI/CD pipelines 🧠 Contribute to architecture planning and strategic technical decisionsQualifications🎓 Bachelor’s degree in CSE, IT, or a relevant field (or equivalent experience) 📅 3-4 years of hands-on backend development experience 💻 Expert-level proficiency in Node.js, Express.js, and Fastify 🔐 Strong knowledge of REST API design, JWT authentication & clean code principles 🗄 Strong experience with MongoDB/PostgreSQL and Prisma/Mongoose 🧩 Solid proficiency in TypeScript 🐳 Hands-on experience with Docker, Git, CI/CD 👥 Leadership or mentorship experience is a plus 🧠 Strong problem-solving mindset with ownership & collaboration skillsPreferred Qualifications☁️ Experience with Microservices / Serverless architectures🌐 Familiarity with AWS, Vercel, or DigitalOcean⚙️ Experience with Redis, RabbitMQ, or WebSockets🚀 Knowledge of scalable, distributed systemsPerks & Benefits🌴 Weekly Holidays: Thursday & Friday 🍽 Lunch Facilities: Full subsidized 🎉 Festival Bonus: Twice yearly 🍪 Evening Snacks, Tea/Coffee 📅 Leave Benefits: 20 days of casual & sick leave per year 👶 Family Leave: Paternity, maternity, and bereavement leave as per policy 🇧🇩 Government Holidays: Observed as per company policy 📚 Learning & Development: Access to training and learning materials 🌟 Work Environment: Collaborative and supportive 📈 Annual Salary IncrementHow to ApplySend your resume, portfolio, or GitHub to:📧 hr@zalmi.tech Subject: “Senior Backend Engineer (Node.js) – [Your Name]”Deadline: ASAPCandidates who can join on December 1st are highly encouraged to apply.