Mid-level Full Stack Developer (Node.js)

• *Job Title:**

Mid-level Full Stack Developer (Node.js)

• *Company:**

Brillmark Technologies Bangladesh Private Limited

• *Location:**

Baridhara DOHS, Dhaka, Bangladesh

• *About Brillmark:**

Brillmark is a leading software development company delivering innovative solutions that help businesses transform and grow. We value diversity and inclusion and encourage applications from candidates of all backgrounds.

• *Position Overview:**

We are seeking an experienced Full Stack Developer (Node.js) to design, develop, and maintain our SaaS platforms. The ideal candidate will have hands-on experience across both backend and frontend technologies, cloud-native architecture, & AI integrations. You will work in a collaborative environment with cross-functional teams and be involved in the full software development lifecycle from planning and architecture to deployment and optimization.

• *Key Responsibilities:
• Develop and maintain scalable SaaS applications using modern backend and frontend technologies.
• Build backend services with Node.js, TypeScript, Express, Nest.js, and Serverless Framework.
• Integrate AI-powered agentic solutions to enhance user experience and automation.
• Work with AWS cloud services including Lambda, ECS, Cognito, API Gateway, S3, and more.
• Design and manage databases using MongoDB and PostgreSQL.
• Develop responsive, high-performance frontends with Next.js, React.js, and Preact.js.
• Collaborate with engineering teams to deliver secure, reliable, and scalable features.
• Adhere to clean code practices and contribute to architectural improvements.
• *Qualifications:
• *Education:
• Bachelor’s degree in Computer Science or Engineering (BSc)
• Master’s degree in Statistics (MSc) preferred
• *Experience:
• 4–5 years of experience as a Full Stack Developer
• Proven experience in building and maintaining SaaS platforms
• Experience with AI integration and agentic systems is a plus
• Technical Skills:
• Backend:
• Node.js, TypeScript, Express.js, Nest.js (Expert-level)
• Serverless development with AWS Lambda & Serverless Framework
• Microservices and event-driven architecture
• Authentication & authorization (JWT, OAuth2, Cognito, SSO)
• Databases: MongoDB, PostgreSQL
• RESTful APIs & GraphQL
• AWS services: Lambda, ECS, Cognito, API Gateway, S3, CloudWatch
• AI model integration (LLM or custom AI services)
• Frontend:
• React.js, Next.js, Preact.js, Tailwind CSS
• Component-based architecture, SSR/CSR optimization
• Strong UI/UX sense and performance tuning
• AI & Integration:
• Experience building agentic systems for automated task handling
• Familiarity with AI tool orchestration and API-based workflows
• *Key Competencies:
• Strong problem-solving and analytical skills
• Ability to work collaboratively in a cross-functional team
• Proactive, self-driven, and results-oriented
• Passion for building scalable, innovative SaaS solutions
• *Compensation & Benefits:**
• Monthly salary: BDT 35,000 – 70,000
• Quarterly performance-based bonuses
• Mentorship from experienced software engineers
• Exposure to advanced cloud and AI technologies
• Fully subsidized lunch