React & Node.js Developer
Buildiyo
About the role
Buildiyo is an emerging technology startup based in Velachery, Chennai, focused on delivering modern SaaS solutions for businesses across India. The company prides itself on a fastβmoving product culture where engineers get to work on endβtoβend features, from UI design to backend services. With a small but passionate team, Buildiyo encourages continuous learning, mentorship, and ownership, making it an attractive destination for fresh engineering talent looking to accelerate their careers.
As a React & Node.js Developer at Buildiyo, you will join the core product engineering squad responsible for building scalable web applications that power the companyβs flagship platform. The role is ideal for recent graduates or candidates with up to two years of experience who have a solid grasp of JavaScript, React, and Node.js. You will collaborate closely with product managers, UI/UX designers, and senior engineers to translate business requirements into clean, performant code.
Key Responsibilities
- Design, develop, and maintain responsive frontβend components using React.js and Redux.
- Implement serverβside APIs and business logic with Node.js and Express.
- Integrate thirdβparty services and RESTful APIs securely and efficiently.
- Write unit and integration tests to ensure code quality and reliability.
- Optimize application performance, load times, and scalability.
- Participate in code reviews, providing constructive feedback and adhering to coding standards.
- Debug, troubleshoot, and resolve production issues promptly.
- Contribute to architectural discussions and help evolve the tech stack.
- Document technical decisions, APIs, and deployment processes.
- Stay updated with the latest trends in the MERN ecosystem and share knowledge with the team.
Tech Stack: React.js, Redux, JavaScript (ES6+), Node.js, Express, REST APIs, Git, CI/CD pipelines, AWS (or similar cloud services).
Growth Path: Starting as a Junior FullβStack Engineer, high performers can progress to Senior Engineer, Tech Lead, or Product Architect within 2β3 years, with opportunities to lead feature teams or specialize in cloud architecture.
Why Join Buildiyo? The company offers a vibrant startup environment where every contribution is visible, fast career progression, mentorship from seasoned engineers, and exposure to the full product lifecycle. Freshers get handsβon experience building realβworld applications, making it an excellent launchpad for a longβterm career in fullβstack development.
Eligibility & process
Who can apply
B.E. / B.Tech in Computer Science, Information Technology, or related engineering discipline; Minimum 60% aggregate (or equivalent CGPA); Fresh graduates or candidates with up to 2 years of relevant experience; No active backlogs at the time of joining; Batch year preferably 2023β2025.
Skills & stack
Selection process
- Round 1: Resume review
- Round 2: Technical / coding assessment
- Round 3: Team & leadership interview
- Round 4: HR interview
Prep kit
19 resourcesStudy material 4
Company-specific guides 4
Likely coding questions 4
Round-wise strategy 4
Technical questions 4
What is the bias-variance tradeoff and how do you prevent overfitting? Answer
Explain the difference between Precision, Recall, and F1-Score. Answer
How does Gradient Descent work and what is the role of Learning Rate? Answer
What is the difference between Supervised, Unsupervised, and Self-Supervised learning? Answer
Behavioural & HR questions 3
Highlight Buildiyo's market reputation, recent tech innovations, and how your skills in React directly solve their team's objectives.
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.