Tech Lead - Full Stack

Job Title: MERN Stack Developer

Company: Pentabay Softwares

Location: Anna Salai (Mount Road), Chennai

Employment Type: Full-Time

Experience Required: 1–4 Years

Job Description:

Pentabay Softwares is looking for a skilled and motivated MERN Stack Developer to join our growing team. The ideal candidate should have hands-on experience in developing scalable web applications using MongoDB, Express.js, React.js, and Node.js.

Roles & Responsibilities:

• Develop and maintain web applications using the MERN stack
• Build reusable, efficient, and scalable code
• Collaborate with UI/UX designers and backend teams
• Design and integrate RESTful APIs
• Troubleshoot, debug, and optimize application performance
• Participate in code reviews and follow best development practices
• Work closely with project managers to meet deadlines

Required Skills:

• Strong experience with MongoDB, Express.js, React.js, and Node.js
• Proficiency in JavaScript (ES6+), HTML5, and CSS3
• Experience with REST APIs and third-party integrations
• Knowledge of Git/version control systems
• Basic understanding of security and performance optimization
• Familiarity with Agile/Scrum methodology

Good to Have:

• Experience with Redux, Next.js, or TypeScript
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Understanding of CI/CD pipelines

Who Can Apply:

• Candidates with 1–4 years of relevant experience
• Strong problem-solving and communication skills
• Ability to work independently and as part of a team

Work Location:

📍 Anna Salai (Mount Road), Chennai

Required Skills

·      Experienced developer with hands-on expertise in Java Spring Boot: Spring Boot Data, Spring Boot Integration, Spring Boot Messaging, Spring Boot Web, Spring Boot Security, and Spring Boot AOP., MySQL, REST API, SOAP APIs, JavaScript, Angular, Tomcat, Drools, Docker, Kubernetes.

·      Strong understanding of MicroServices architecture, design patterns and best practices.

·      Designing and Developing web applications using Microservices on Java Spring Boot, testing using jUnit & jMeter, deploying using Maven, Jenkins, Docker & Kubernetes, monitoring using ELK and associated technologies.

·      Excellent problem-solving skills and ability to troubleshoot technical issues effectively. Troubleshoot and resolve technical issues, ensuring the stability and performance of applications.

Responsibilities

·      Implement low-level designs and coding for complex software systems.

·      Collaborate with cross-functional teams and Business Analysts to understand business requirements and translate them into technical solutions.

·      Implement best practices for software development, code reviews, and quality assurance.

Design and develop frontend applications using Angular (v10+).

Build and maintain RESTful APIs using Node.js and Express.js.

Develop and manage MySQL databases including schema design, query optimization, and stored procedures.

Integrate front-end UI with backend services.

Collaborate with product managers, designers, and other developers to deliver high-quality software.

Participate in code reviews, testing, and debugging.

Optimize application performance, scalability, and security.

Write clean, maintainable, and well-documented code.

Follow Agile/Scrum methodologies and contribute to sprint planning and daily stand-ups.

Job Description: Senior Full-Stack Engineer (MERN + Python )

Location: Noida (Onsite)

Experience: 5 to 10 years

We are hiring a Senior Full-Stack Engineer with proven expertise in MERN technologies and Python backend frameworks to deliver scalable, efficient, and maintainable software solutions. You will design and build web applications and microservices, leveraging FastAPI and advanced asynchronous programming techniques to ensure high performance and reliability.

Key Responsibilities:

• Develop and maintain web applications using the MERN stack alongside Python backend microservices.
• Build efficient and scalable APIs with Python frameworks like FastAPI and Flask, utilizing AsyncIO, multithreading, and multiprocessing for optimal performance.
• Lead architecture and technical decisions spanning both MERN frontend and Python microservices backend.
• Collaborate with UX/UI designers to create intuitive and responsive user interfaces.
• Mentor junior developers and conduct code reviews to ensure adherence to best practices.
• Manage and optimize databases such as MongoDB and PostgreSQL for application and microservices needs.
• Deploy, monitor, and maintain applications and microservices on AWS cloud infrastructure (EC2, Lambda, S3, RDS).
• Implement CI/CD pipelines to automate integration and deployment processes.
• Participate in Agile development practices including sprint planning and retrospectives.
• Ensure application scalability, security, and performance across frontend and backend systems.
• Design cloud-native microservices architectures focused on high availability and fault tolerance.

Required Skills and Experience:

• Strong hands-on experience with the MERN stack: MongoDB, Express.js, React.js, Node.js.
• Proven Python backend development expertise with FastAPI and Flask.
• Deep understanding of asynchronous programming using AsyncIO, multithreading, and multiprocessing.
• Experience designing and developing microservices and RESTful/GraphQL APIs.
• Skilled in database design and optimization for MongoDB and PostgreSQL.
• Familiar with AWS services such as EC2, Lambda, S3, and RDS.
• Experience with Git, CI/CD tools, and automated testing/deployment workflows.
• Ability to lead teams, mentor developers, and make key technical decisions.
• Strong problem-solving, debugging, and communication skills.
• Comfortable working in Agile environments and collaborating cross-functionally.

Key Responsibilities:

• Develop and maintain end-to-end web applications
• Build responsive frontends using React
• Create robust backend APIs using Java and Spring Boot
• Collaborate with cross-functional teams (Product, QA, DevOps)
• Write clean, testable, and scalable code
• Participate in code reviews and Agile development processes

Requirements:

• 4.5+ years of hands-on experience in full stack development
• Strong knowledge of Java, Spring Boot, and React.js
• Good understanding of REST APIs and microservices architecture
• Familiarity with version control (Git) and CI/CD pipelines
• Excellent debugging, troubleshooting, and communication skills

Bonus: Immediate joiners will be prioritized!

Experience • 1-3 years

Skill to Test

• Java EE (Servlets, JSTL, JSP, JDBC)

• ReactJS

Primary Skills

• Java EE (Servlets, JSTL, JSP, JDBC)

• Frontend frameworks (ReactJS and/or Angular)

• Pure JavaScript, jQuery

• Bootstrap, HTML5, CSS, SASS

Secondary Skills (nice to have)

• Passionate about implementing UX\UI of web applications

• Microsoft SQL Server (writing optimized queries, stored procedures, triggers etc.)

• API Design (REST, JAX-RS)

• Understanding Apache Tomcat configuration and deployment of web applications

• Understanding of browser technologies and limitations

• Authentication and Authorization (SAML, OAuth, OpenID, Okta)

2

Soft Skills

• Thrives collaborating in a team environment with a diverse range of people

• Passionate about delivering an amazing customer experience

• Able to have a change of mind, and able to change the minds of others

• Writes clearly and concisely

• Capable of working without a company office, with a fully remote team

Growth Skills

• Possesses a good work ethic; a self-starter with a desire to grow

• Always looking for better ways to get the job done

Key Responsibilities:

• Experience with C#, .Net, Azure DevOps, React.Js or Angular.
• Build, Maintain and Integrate applications developed in different tech stack MVC, .Net, C#, SQL, Azure Stack
• Design and implement build-deployment-test automation.
• Microservices, Database design and implementation for
• relational and non-relational databases.
• Excellent interpersonal, verbal, and written communication skills.