
Backend Developer- SDE 2
at Building India's first AI-powered recruitment marketplace
Role: Backend Developer (Node.js)
Key Responsibilities
Backend Development
- Build scalable, high-performance backend services and REST APIs using Node.js.
- Develop robust, maintainable, and production-ready applications.
Database Optimization
- Design efficient database schemas.
- Optimize queries, indexing, and overall database performance.
- Work extensively with PostgreSQL or MySQL.
Frontend Collaboration
- Collaborate closely with frontend engineers to integrate APIs.
- Basic understanding of React or Angular is a plus.
System Design
- Participate in both Low-Level Design (LLD) and High-Level Design (HLD) discussions.
- Design systems with scalability, security, and reliability in mind.
Cloud & Infrastructure
- Deploy and manage applications on AWS.
- Utilize Redis for caching and performance optimization.
Code Quality
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and follow engineering best practices.
Testing & Debugging
- Write comprehensive test cases.
- Ensure backward compatibility.
- Debug and resolve issues related to functionality, performance, and scalability.
Required Skills & Experience
Must Have
- 2+ years of backend development experience.
- Strong proficiency in Node.js.
- Experience with PostgreSQL or MySQL.
- Good understanding of REST APIs.
- Experience with AWS cloud services.
- Knowledge of distributed systems and microservices architecture.
- Experience with Redis or similar caching technologies.
- Strong understanding of system design concepts.
- Excellent debugging and problem-solving skills.
- Focus on writing scalable, reliable, and testable code.
Good to Have
- Basic knowledge of React or Angular.
- Experience working in fast-paced startup environments.
Why Join Vahan?
- Unlimited Paid Time Off (PTO)
- Comprehensive Medical Insurance
- Monthly Wellness Leaves
- Competitive Compensation
- Opportunity to work on products impacting millions of users
- Fast-paced, high-growth startup backed by leading investors
- Ownership-driven engineering culture with meaningful technical challenges

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Job Overview
We are looking for a talented Senior Backend Developer to join our team in developing backend servicing. As a key member of our development team, you will be responsible for cross-functional teams to design, develop, and maintain backend services and APIs using Node.js. The ideal candidate is passionate about distributed systems, has experience with backend services and is excited about optimising applications for performance, scalability, and reliability.
Responsibilities:
- Design, develop, and maintain backend services and APIs using Node.js.
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- Write clean, modular, and maintainable code following best practices and coding standards.
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- Troubleshoot and debug issues to ensure smooth operation of production systems.
- Perform code reviews to maintain code quality, consistency, and adherence to coding standards.
- Stay updated with the latest trends and technologies in backend development, Node.js, and related ecosystems
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field.
- Proven experience in backend development, with at least 4 years of experience using Node.js.
- Strong understanding of data structures, algorithms, and software design principles.
- Experience with web frameworks such as Express.js.
- Proficiency in building RESTful APIs and microservices architecture.
- Familiarity with relational and NoSQL databases (e.g., MongoDB, PostgreSQL).
- Solid understanding of asynchronous programming and event-driven architectures.
- Experience with version control systems (e.g., Git) and collaborative development workflows.
- Excellent problem-solving, analytical, and troubleshooting skills.
- Ability to work independently and in a team environment, with excellent communication skills.
- Two years' experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
UserExperior is a fast-growing, well-funded software product start-up based in
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focused on building the best mobile app analytics platform. As part of our engineering
team, you will be working on exciting & challenging problems. We are looking for
talented, enthusiastic and self-driven software engineers who are passionate about
software engineering and want to build great products.
Roles & Responsibilities :
● You’ll work as part of the software engineering team along with other front-end,
back-end, mobile app, QA teams & you will also closely work with the founder.
● You should be able to take the ownership of a project end to end.
● Your primary focus will be to build, implement & maintain the complete back-end
stack of the product.
● You will create production grade code and will implement the solutions which run
bug free.
● Participate in product development discussions and product development
road-maps.
● Collaborate with members across departments to identify and build on
improvements to product, process and systems.
Required Experience and Qualifications:
● 2 to 6 years of software development experience.
● Experience of working on application architecture design will be preferred.
● Experience of working in at least 1 or 2 projects, managing or leading the entire
tasks.
● Experience in Docker/Kubernetes, Agile methodologies & CI/CD automation
process.
● Knowledge of Queueing technologies like Kafka, RabbitMQ, ActiveMQ, Version
control using Git.
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basic knowledge of Linux/Unix systems.
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will be preferred.
● Experience from a middle size company or from a startup will be preferred.
● BE/MCA/MSc in Computers/Information technology with a good academic
record.
Key Skills:
● Java, & Spring boot
● Hibernate
● Spring Boot JPA
● Object Oriented Programming
● MySQL & MongoDB
● Jenkins
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● Great learning, innovative and development platform.
● Remote work and flexible timings.
● Reimbursement of the online learning courses on certification.
● Medical insurance coverage for you and the dependence.
● Five Working days per week.
Investigate production issues pertaining to customer features to determine root cause and implement solutions,
Investigate existing queries and write new queries with performance optimization in mind, design and build efficient, scalable systems that are used by millions of people,
Build well-designed software in a way that is generic, reusable, and easily extensible, as well as solves the business needs and requirements,
Collaborate with product managers, designers, and software engineers to ensure design vision is maintained, the final markup is standards-compliant, and UI deliverables are completed on time,
Work with the real-time feedback from our users (external and internal) to make the
products better,
Discover, design, develop, deploy, debug. Repeat!
Requirements:
2-4 years of experience,
Proficiency in web scripting programming with PHP,
Experience with MySQL Databases,
Top-notch programming skills in JavaScript and a strong understanding of web
fundamentals,
Design, build and maintain high performance, scalable and secure code,
Experience with cloud services like AWS is plus,
Experience with MVC architecture is a plus,
Knowledge/experience in building an API,
Solid understanding of the foundations of security and best practices,
Good grasp of data structures and algorithms,
Excellent problem-solving skills,
Take ownership of the backend services, ensure the best possible performance, quality and
responsiveness, as well as maintaining code quality, organization and testing/deployment,
Passionate about technology and willing to develop expertise in an emerging field,
Strong organizational and communication skills, team player.
Perquisites & Benefits:
A competitive salary,
Opportunity to be part of a diverse working environment, valuable social sector work
experience,
Fun, casual, relaxed, and flexible work environment.
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• Software testing (PHPUnit, PHPSpec, Behat)
• MySQL profiling and query optimization










