MERN Stack Developer

Job Title : React + Node.js Developer (Full Stack)

Experience : 5+ Years

Location : Mumbai or Pune (Final location to be decided post-interview)

Notice Period : Immediate to 15 Days

Interview Rounds : 1 Internal Round + 1 Client Round

Job Summary :

We are looking for a highly skilled Full Stack Developer (React + Node.js) with strong expertise in both frontend and backend development.

The ideal candidate should demonstrate hands-on experience with databases, excellent project understanding, and the ability to deliver scalable, high-performance applications in production environments.

Mandatory Skills :

React.js, Node.js, PostgreSQL/MySQL, JavaScript (ES6+), Docker, AWS/GCP, full-stack development, production system experience, and strong project understanding with hands-on database expertise.

Key Responsibilities :

• Design, develop, and deploy robust full-stack applications using React (frontend) and Node.js (backend).
• Exhibit a deep understanding of database design, optimization, and integration using PostgreSQL or MySQL.
• Translate project requirements into efficient, maintainable, and scalable technical solutions.
• Build clean, modular, and reusable components following SOLID principles and industry best practices.
• Manage backend services, APIs, and data-driven functionalities for large-scale applications.
• Work closely with product and engineering teams to ensure smooth end-to-end project delivery.
• Use Docker and cloud platforms (AWS/GCP) for containerization, deployment, and scaling of services.
• Participate in design discussions, code reviews, and troubleshooting production issues.

Required Skills :

• 5+ Years of hands-on experience in full-stack development using React and Node.js.
• Strong understanding and hands-on expertise with relational databases (PostgreSQL/MySQL).
• Solid grasp of JavaScript (ES6+), and proficiency in Object-Oriented Programming (OOP) or Functional Programming (FP).
• Proven experience working with production-grade systems and scalable architectures.
• Proficiency with Docker, API development, and cloud services (preferably AWS or GCP).
• Excellent project understanding, problem-solving ability, and strong communication skills (verbal and written).

Good to Have :

• Experience in Golang or Elixir for backend development.
• Knowledge of Kubernetes, Redis, RabbitMQ, or similar distributed tools.
• Exposure to AI APIs and tools.
• Contributions to open-source projects.

Responsibilities

• Design and develop scalable web applications using Java and Angular/React
• Collaborate with cross-functional teams to define, design, and ship new features
• Maintain code quality through code reviews and automated testing
• Implement RESTful APIs to support front-end functionality
• Troubleshoot and debug applications to ensure optimal performance
• Participate in agile development processes and contribute to continuous improvement

Qualifications

• Bachelor's degree in Computer Science or related field
• 3+ years of experience in full stack development using Java and Angular/React
• Strong understanding of front-end technologies like HTML, CSS, and JavaScript
• Experience with back-end development including RESTful API design
• Familiarity with database technologies such as SQL and NoSQL
• Excellent problem-solving skills and attention to detail

Fullstack Developer:

We are looking for an onsite Fullstack Developer experienced with Fullstack technologies, Cloud and IoT solutions. For the agile development of our web, mobile, and cloud applications and IoT products, building efficient, reliable and scalable solutions. A hands-on coding role, where you will build and manage your own team.

Tasks:

·        Development of modern based applications in the back-end

·        Development, implementation and optimisation of innovative IoT products, web apps and new features

·        Technical product design, solution architecture, specifications and implementation of Livello solutions

·        Work with a cross-functional team to define, build, test, and deploy universal applications

·        Version control with Git is part of your daily work and continuous integration

·        Ensure the implementation of technical standards, quality assurance and best practices.

Requirements:

·       Bachelor's degree in Computer Science or comparable field of study

·       2-4 years’ experience in agile software development

·       Proficiency in Node.js, React js, Mongo DB, Docker along with any cloud Exp (AWS, GCP, Azure)

·       Experience with test and deployment automation (Gitlab, Fastlane, Jest).

·       Good to have Experience with GraphQL and Kubernetes as well as state management solutions (Redux, Saga)

·       Ability to work cooperatively and independently, analytical thinking, willingness to lead and take on responsibility

·       Fluent in English.

Nice to have:

·       Experienced in IoT-to-Cloud managed services, Microservices.

·       Knowledge of IoT device management and message brokers like AMQP or MQTT

Benefits

Ø A responsible position in a fast-growing and highly innovative start-up

Ø An agile and diverse team with colleagues from all over the world, working with our main office in Germany

Ø English speaking open work environment, with flat hierarchies and short decision-making paths

Ø Creative freedom for own ideas, projects and personal development.

SKILL AND EXPERIENCE REQUIRED:

• 2+ years of experience in Java skills.
• 2+ years of hands-on HTML5/CSS3 experience.
• Experience with popular JavaScript frameworks such as ReactJs or Angular 2.0; experience preferred.
• Experience of working with HTTP 1.1, and HTTP/2.
• Experience with RESTful APIs and JSON RPC.
• Ability to write clean, bug-free code that is easy to understand and easily maintainable.
• Experience following Git workflows.
• Working knowledge of DevOps tools (e.g., Terraform, Ansible, Jenkins, Kubernetes, Helm and CI/CD pipeline etc.).

We are looking for a driven, curious and sincere full-stack software engineer having 0-2 years of professional experience. They will be assigned to a 0 to 1 project which presents a great opportunity to learn and grow.

Roles & Resposibilities:

• You will be involved in full-stack development
• Working on relational as well as non-relational databases.
• Writing and maintaining high-quality code.
• Learning the code base and improving your coding skills.

Desired skills and qualities:

• Bachelor degree in computer engineering or related field.
• Atleast 6 months of full-time or internship experience in Javascript.
• Data structures and algorithms.
• Strong understanding of object-oriented programming.
• Ability to communicate ideas clearly(verbal/written).
• HTML and CSS.

Role Description:

• Lister is actively engaged with client across digital transformation and engineering
• As a part of this engagement, you will be working with our clients on solution design and architecture, technology decisions, while co-ordinating technical efforts for the team
• As a Technical Lead:, You will need to collaborate with Solution Architects define technology
• roadmap, evaluate/recommend technologies, architect and design solutions, Work
• with other developers to oversee the development and implementation
• You will translate functional requirements from business stakeholders to the technical
• team for implementation
• You will need to troubleshoot design flaws and system bottlenecks
• You will have to be hands-on with code reviews and evaluate implementation for performance and scale
• Manage communication between our clients and internal teams in India and USA
• Coordinate with the offshore team to deliver projects across work streams, Identify risks, issues and blockers to progress and mitigate them for the team
• Rapidly gain an understanding of project requirements and drive execution
• Work with delivery team to ensure the highest quality of materials are being produced and all client needs are met.

Skills Required:

• Excellent understanding of backend and frontend components in the following stack: NodeJS, TypeScript, Javascript, ReactJS, multiple RDBMS and NoSQL databases like Postgres, MySQL, MongoDB Experience of working on AWS services (Lambda, Step functions, SQS, S3 SNS)
• Microservice design pattern is a must
• Experience in Docker, Kubernetes, containerization and CI/CD pipelines is preferable
• Experience in software development tools like Prettier, CodeCov, Snyk, etc..
• Excellent verbal and written communication skills; client facing and interpersonal skills; must be a listener, a presenter, and a people-person
• Experience in Designing scalable architecture systems for Node-based applications
• Ability to grasp complex implementations; Proven results of delivering client solutions
• Should have experience of working with offshore team
• Experience in working on large scale technology transformation projects for product companies is preferable
• Technology contributions to open source projects will be an added advantage
• Should have completed Certifications or training on AWS (AWS Solutions Architect), NodeJS, front-end frameworks.