Senior Backend Developer

Job Description

Title: Senior Backend Developer

Company Name: As-Sunnah Foundation

Vacancy: --

Age: At least 32 years

Job Location: Dhaka (Aftabnagar)

Salary: Tk. 100000 - 150000 (Monthly)

Experience:

• 6 to 8 years
• The applicants should have experience in the following business area(s): Software Company, IT Enabled Service, Business-to-Business (B2B) Software and Services Startup

• Bachelor of Science (BSc) in Computer Science & Engineering

• 6 to 8 years
• The applicants should have experience in the following business area(s): Software Company, IT Enabled Service, Business-to-Business (B2B) Software and Services Startup

• Age At least 32 years
• Only Male

• 6-8+ years of proven solid backend JavaScript/TypeScript experience (Node.js, Express, MongoDB)

• Deep understanding of RESTful API design, versioning, and best practices

• Strong database expertise, including schema design, indexing, query optimization, and performance tuning across both NoSQL (MongoDB) and relational databases (PostgreSQL or MySQL)

• Solid understanding of application security best practices: authentication, authorization, data encryption, and OWASP standards; essential for handling sensitive financial & user data

• Proficiency in TypeScript

• Experience with scalability patterns and caching strategies, including Redis, to support high-throughput and low-latency systems

• Strong testing discipline across unit, integration, and end-to-end testing (e.g., Jest, Supertest)

• Familiarity with Git and CI/CD pipelines

• Experience with the full software development lifecycle

• Experience in handling high-volume financial transactions processing is a strong plus

• Custom CMS project experience is a strong plus

• Excellent communication and problem-solving skills

• Patience and genuine eagerness to mentor and guide junior developers

• Write efficient, reusable, testable, and scalable backend code

• Design and enforce backend architecture and service integrations across the technology stack

• Develop and maintain secure, well-documented Node.js APIs for frontend and third-party consumers

• Implement and uphold security standards across APIs, services, and data pipelines

• Lead threat modeling, security reviews, and coordinate penetration testing

• Ensure reliability and performance of high-volume transaction processing systems

• Implement observability: logging, metrics, tracing, SLOs/error budgets

• Define backup/restore and migration procedures for transactional integrity

• Participate in cross‑team planning, acceptance criteria, and release coordination

• Prepare systems for audits and regulatory compliance

• Mentor junior developers, conduct code reviews, and foster a culture of continuous learning within the team

• Collaborate with tech and business teams throughout the project lifecycle

• Provident fund,Weekly 2 holidays,Mobile bill
• Lunch Facilities: Full Subsidize
• Salary Review: Yearly
• Festival Bonus: 2