Lead Fullstack Developer

About us

Cere Labs is a Mumbai based company working in the field of Artificial Intelligence. It is a product company that utilizes the latest technologies such as Python, Redis, neo4j, MVC, Docker, Kubernetes to build its AI platform. Cere Labs’ clients are primarily from the Banking and Finance domain in India and US. The company has a great environment for its employees to learn and grow in technology.

Software Developer

Job brief

Cere Labs is seeking to hire a skilled and passionate software developer to help with the development of our current projects and product. Your duties will primarily revolve around building software by writing code, as well as modifying software to fix errors, improve its performance. You will also be involved in writing of the test cases and testing

To be successful in this role, you will need extensive knowledge of programming languages like Java, Python, Java Script, React. 

Ultimately, the role of the Software Engineer is to build high-quality, innovative and fully performing software that complies with coding standards and technical design

Responsibilities

• Develop flowcharts, layouts and documentation to identify requirements and solutions
• Write well-designed, testable code
• Develop software verification plans and quality assurance procedures
• Document and maintain software functionality
• Troubleshoot, debug and upgrade existing systems
• Deploy programs and test the deployed code
• Comply with project plans and industry standards

Requirements

• BE (CS/IT) degree in Computer Science
• Ability to understand the requirements given and generate the design based on specification given.
• Ability to develop unit testing of code components or complete applications.
• Must be a full-stack developer and understand concepts of software engineering.
• Ability to develop software in Python, Java, Java Script 
• Excellent knowledge of relational databases, MySQL and ORM technologies (JPA2, Hibernate), in-memory data stores such as Redis
• Experience developing web applications using at least one popular web framework (JSF, Spring MVC, React) is preferred
• Experience with test-driven development
• Proficiency in software engineering tools including popular IDE’s such as PyCharm, Visual Studio Code and Eclipse
• Proven work experience as a Software Engineer or Software Developer will be an added advantage

Working conditions

Hours: 9:00 AM to 6:00 PM

Weekly off: Sunday, First and Third Saturdays

Mode: Work from office

Recruitment process

The selection process includes:

1. Written test
2. Technical interview
3. Final interview

Compensation

CTC: Rs. 3-4 lacs pa, depending on performance in the selection process.

About the Role:

We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.

Key Responsibilities:

• Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
• Develop RESTful APIs and integrate third-party services and databases.
• Write reusable, testable, and efficient code.
• Optimize applications for maximum speed and scalability.
• Lead code reviews and enforce best practices in design and development.
• Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
• Ensure cross-platform optimization and responsiveness of applications.
• Mentor and guide junior developers, fostering a culture of continuous learning.
• Troubleshoot and debug production issues.
• Maintain documentation of software functionality and technical decisions.

Required Skills:

• Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
• Deep understanding of React.js and state management libraries like Redux or Context API.
• Hands-on experience with Node.js and Express.js.
• Strong knowledge of MongoDB and Mongoose ORM.
• Experience in building and consuming RESTful APIs.
• Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
• Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
• Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.

Preferred Qualifications:

• Bachelor’s/Master’s degree in Computer Science or related field.
• Experience with GraphQL or WebSockets.
• Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
• Previous experience in Agile/Scrum environments.

What We Offer:

• Competitive salary and performance-based bonuses
• Flexible working hours and remote work options
• Opportunities for upskilling and certifications
• Collaborative and inclusive team culture
• Health insurance and wellness benefits

Knowmax is a global B2B SaaS platform built to elevate customer experience through intelligent knowledge management. We enable customer-facing teams to access the right answers instantly—across contact centers, digital channels, and field support—driving consistency, efficiency, and satisfaction at scale.

Preferred Profile: Candidates with prior experience working on product development in a startup environment.

Core Backend Skills

• Node.js Mastery
• Deep understanding of event loop, async patterns (Promises, async/await).
• Experience with frameworks like Express, NestJS, Fastify.
• Writing scalable APIs (REST), middleware, and modular code.
• Database Expertise
• SQL/Postgres – schema design, complex joins, indexing, query optimization.
• Knowledge of transactions, isolation levels, and migrations.
• Basic familiarity with ORMs (Sequelize/TypeORM/Prisma) and raw queries.
• Architecture & Design
• Ability to design backend systems
• Good understanding of API versioning, caching strategies (Redis).

Frontend (Average Skill Expected)

• Comfortable with React (or Nuxt/Vue) for building and maintaining UIs.
• Basic understanding of state management (Redux, Vuex, Pinia).
• Familiarity with component-based architecture and UI libraries (Material UI, Tailwind).
• Can debug UI issues but not expected to be a design/UX expert.

Other Expectations

• Code Quality – Writing unit tests (Jest/Mocha), code reviews, and maintaining clean architecture.
• Problem-Solving – Strong data structures and algorithmic skills (not as intense as SD3/Architect).
• Collaboration – Able to mentor juniors, break down tasks, and work closely with product and QA.
• Performance & Security – Understands security best practices (OWASP) and performance profiling.

Sound technical exposure in React, Node, API, Java, JPA, Hibernate, Kafka, REST API,

Postgre DB.

• Strong experience in systems design principles.

• Must have strong exposure in PSQL queries and stored procedures.

• Experience in Lending/Fintech domains will be preferable.

• Design, implement and maintain Java-based applications that can be high-volume and

low-latency.

• Familiarity with browser testing and debugging.

• Analyze user requirements to define business objectives.

• Identify and resolve any technical issues arising.

• Develop technical designs for application development.

• Conducting software analysis, programming, testing, and debugging.

• Manage Java and Java EE application development.

• Understanding of strategic handling of technical projects. i.e. adhering to stakeholder

expectations and processes.

About Climate Connect Digital:

Our team is inspired to change the world by making energy greener, and more affordable. Established in 2011 in London, UK, and now headquartered in Gurgaon, India. From unassuming beginnings, we have become a leading energy-AI software player, at the vanguard of accelerating the global energy transition.

In 2020, we were acquired by ReNew Power, India’s largest renewables developer. Following ReNew’s NASDAQ listing in summer 2021, Climate Connect Digital has been newly formed as a fully independent subsidiary. With backing from ReNew for an ambitious and visionary new strategy, for rapid growth.

Our mission has technology at its core and involves unlocking value by leveraging information technology and AI/ML across the energy ecosystem. However, the world is still nascent in using such technologies in the energy sector to create massive value for all stakeholders.

How do you fit in: 

As we start into our first strong growth phase, we are looking for experienced TypeScript/JavaScript developers to lead our application development efforts.

With your test-driven and clean coding approach along with your creative power, you conceive, develop, and integrate new components and applications into our products with the highest quality.

Your mission is to keep an eye on our existing products: You analyze and improve our

components and fix bugs.

Working remotely: You are independent, reliable, disciplined and are sharp when it comes to documentation & working asynchronously.

Job responsibilities:

• You have a strong TypeScript/JavaScript engineering background. You had the opportunity worked on project from conception to delivery
• You care about producing high quality solution using good engineering principles and practices
• You want to take ownership, break down and tackle real problems while bringing value to real users
• You are a great team player and communicator, you prefer over-communication rather than under-communicate
• You are a passionate technologist with the discipline to create and finish projects. You have opinions about your favorite open source projects, or perhaps you have contributed to some or started one of your own

Job requirements:

• 5+ years of experience building clean, maintainable, and well-tested code
• Serverless experience with AWS lambda or GCP cloud functions
• Working experience with NodeJS & React or other TypeScript/JavaScript web development frameworks
• Working experience with MongoDB or Postgres, writing efficient queries, data modeling
• Previous experience collaborating on highly distributed teams
• Previous experience working within an Agile/Scrum environment

What’s in it for you:

• We offer competitive salaries based on prevailing market rates. In addition to your introductory package, you can expect to receive the following benefits:
• Flexible working hours and leave policy
• Learning and development opportunities
• Medical insurance/Term insurance, Gratuity benefits over and above the salaries
• Access to industry and domain thought leaders.
• At Climate Connect, you get a rare opportunity to join an established company at the early stages of a significant and well-backed global growth push.
• We are building a remote-first organisation ingrained in the team ethos. We understand its importance for the success of any next-generation technology company. The team includes passionate and self-driven people with unconventional backgrounds, and we’re seeking a similar spirit with the right potential.

What it’s ​like to work with us:

• You become part of a strong network and an accomplished legacy from leading technology and business schools worldwide when you join us. Such as the Indian Institute of Technology, Oxford University, University of Cambridge, University College London, and many more.

• We don’t believe in constrained traditional hierarchies and instead work in flexible teams with the freedom to achieve successful business outcomes. We want more people who can thrive in a fast-paced, collaborative environment. Our comprehensive support system comprises a global network of advisors and experts, providing unparalleled opportunities for learning and growth.

Requirements

• 3+ yrs experience in Reactjs (frontend) and Nodejs (Backend) along with good experience in MongoDB.
•  
• Past experience scaling projects from prototype to hundreds of thousands / millions of users is a plus.
•  
• Strong communication skills and past experience leading developers is crucial.

Note:- Remote working is applicable

You will be responsible for architecting and developing features on the application end to end. You will be working closely with the Product Managers and the Technical architect to come up with high-quality, resilient, and highly performant applications.‍

• Design and develop SaaS-based applications based on microservices architecture.
• Work on core backend and ensure it meets the performance benchmarks.
• Work on the front end with ReactJS.
• Designing and developing APIs for the front end to consume.
• Constantly improve the architecture of the application by clearing the technical backlog.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 4+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, AngularJS.
• Backend exposure – good knowledge of building API.
• Worked on serverless technologies.
• Efficient in building microservices in combining server & front-end.
• Knowledge of cloud architecture.
• Should have sound working experience with relational and columnar DB.
• Should be innovative and communicative in approach.
• Will be responsible for functional/technical track of a project.

You will closely work with the engineering team and support the Product Team of Compass.‍

A wholesome opportunity in a fast-paced environment will enable you to juggle between concepts yet maintain the quality of content, interact, share your ideas, and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls, and Compass. Xoxoday works with over 1000 global clients. We help our clients engage and motivate their employees, sales teams, channel partners, or consumers for better business results.‍

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. However, we assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

1. Good communication skills, should able to demonstrate website features
2. Must have good hands-on experience on HTML/CSS and Javascript,C#
3. Experience using SQL to update and retrieve data
4. Good to have experience with vue.js, AngularJS, selenium frameworks and code repositories such as GitLab
5. Analytical skills
6. Understanding of testing frameworks

1. Collaborate with other developers and engineers to design, build, and maintain applications
2. Candidate is responsible for design and development of small modules in ASP.Net core MVC, C#, SQL Server and client side technology as javascript/jquery
3. Write and debug code
4. Troubleshoot application issues
5. Ability to learn and pick up new frameworks