
SDE 3: Full-Stack Developer (TypeScript/JavaScript)
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.

About Climate Connect Digital
About
Climate Connect Digital (CCD) is a London-based net zero solutions provider, and the independent cleantech software services arm of ReNew Energy Global (NASDAQ: RNW), a major international renewables, storage, and hydrogen developer.
CCD has over a decade of experience in carbon advisory services and software solutions for the climate and clean energy domains.
It has major offices in the UK and India, with a diverse team of 186 people working remotely worldwide, with over 50% of the team in tech and product.
CCD utilises its artificial intelligence (AI) and machine learning (ML) capabilities to build robust solutions for global sustainability problems. These are deployed on various national grids, and are helping to manage 12GW of renewable energy generation, 55GWs of peak power demand, and serve 298 million people.
We are committed to helping our customers succeed in their net zero journeys, to build a more sustainable future for all.
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.
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● Write clean, reliable, reusable, scalable, testable and
maintainable code.
● Produce best in class documentation, testing and monitoring
● Estimate effort, identify risks
● Mentor/coach other engineers in the team to facilitate their
development and to provide technical leadership to them.
● Rise above details as and when needed to spot broader
issues/trends and implications for the product/team as a whole
● Practice and promote craftsmanship in software engineering
(coding, testing, code reviews, documentation, scalability,
performance, etc.)
● Break down requirements, estimate tasks, and assist in planning
roadmap accurately
● Develop iterative solutions to address expansive product goals
● Platformize components as libraries, utilities and promote reuse
● Be able to conceptualize and develop prototypes quickly
● Own large technical deliverables and execute in a structured
manner.
● Take accountability for the overall health of the products you
build and ensure predictability of the deliverables of your team.
● Drive technical roadmap of the team in collaboration with
Product and Business Teams.
Qualifications:
● B.Tech/BE/MCA in Computer Science or a related technical
discipline (or equivalent). Or high technical acumen and rich
technical experience.
● 4+ years of Expertise with modern Javascript in developing REST
web services
Location: Hybrid/ Remote
Openings: 5
Experience: 0 - 2Years
Qualification: Bachelor’s or Master’s in Computer Science or a related technical field
Key Responsibilities:
Backend Development & APIs
- Build microservices that provide REST APIs to power web frontends.
- Design clean, reusable, and scalable backend code meeting enterprise security standards.
- Conceptualize and implement optimized data storage solutions for high-performance systems.
Deployment & Cloud
- Deploy microservices using a common deployment framework on AWS and GCP.
- Inspect and optimize server code for speed, security, and scalability.
Frontend Integration
- Work on modern front-end frameworks to ensure seamless integration with back-end services.
- Develop reusable libraries for both frontend and backend codebases.
AI Awareness (Preferred)
- Understand how AI/ML or Generative AI can enhance enterprise software workflows.
- Collaborate with AI specialists to integrate AI-driven features where applicable.
Quality & Collaboration
- Participate in code reviews to maintain high code quality.
- Collaborate with teams using Agile/Scrum methodologies for rapid and structured delivery.
Required Skills:
- Proficiency in JavaScript (ES6+), Webpack, Mocha, Jest
- Experience with recent frontend frameworks – React.js, Redux.js, Node.js (or similar)
- Deep understanding of HTML5, CSS3, SASS/LESS, and Content Management Systems
- Ability to design and implement RESTful APIs and understand their impact on client-side applications
- Familiarity with cloud platforms (AWS, Azure, or GCP) – deployment, storage, and scalability
- Experience working with Agile and Scrum methodologies
- Strong backend expertise in Java, J2EE, Spring Boot is a plus but not mandatory
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.
Past experience in working with any product start-up is a plus.
● Proficiency in fundamental front end languages such as HTML, CSS, and JavaScript.
● Familiarity with JavaScript frameworks such as Angular JS, React, and others.
● Knowledge of Node.js and frameworks available for it such as Express (recommended).
● Good understanding of asynchronous request handling, partial page updates, and AJAX
● Understanding of REST Services.
● Experience with Redis.
● Familiarity with database technology such as MySQL, MongoDB and Elasticsearch.
● Proficient understanding of serverless programming.
● Proficient understanding of code versioning tools, such as Git.
● Good problem-solving skills.
● Attention to detail.
Due to the high volume of applicants, we are only able to interview candidates who have actively contributed to Keyshade by attempting at least one of our GitHub (https://git.new/keyshade) issues. It’s okay if your PR doesn’t get merged—we are looking for genuine effort. Please include your GitHub username in the question section of this job post.
We’re looking for a talented Full Stack Intern who thrives in a collaborative, fast-paced environment (but without the hustle culture). You’ll work on both frontend and backend tasks, learn from our experienced team, and make meaningful contributions to an open-source project. If you’re eager to grow and have prior experience contributing to open-source, we’d love to hear from you!
Who We're Looking For
You’re a great fit if you:
- Have a solid foundation in TypeScript (mandatory).
- Are excited to learn more and work in an open-source development environment.
- Can translate designs and business logic into clean, efficient code.
- Love solving complex problems and debugging tricky issues.
- Have prior experience contributing to open-source projects (preferred).
- Are proactive, curious, and willing to collaborate across teams.
Responsibilities
As a full-stack intern, you will:
Frontend Tasks:
- Translate Figma designs into pixel-perfect React/Next.js code using TailwindCSS.
- Ensure apps are responsive and visually polished.
- Write and maintain tests to ensure features are stable and bug-free.
- Optimize UI performance and address any frontend issues raised by the open-source community.
Backend Tasks:
- Build and maintain scalable Nest.js applications.
- Implement robust backend solutions using Node.js and TypeScript.
- Write tests to ensure backend stability before deployment.
- Troubleshoot backend issues and optimize app performance.
- Collaborate with design and development teams to ensure seamless integration between frontend and backend systems.
Qualifications
Must-Haves:
- Strong proficiency in TypeScript, React, and Next.js.
- Familiarity with Nest.js, Git, and GitHub workflows.
- Experience with CSS frameworks like TailwindCSS.
- A working laptop/desktop capable of handling development tasks.
Good-to-Haves:
- Experience with state management tools .
- Understanding of monorepo tools like Turborepo and pnpm workspaces.
- Familiarity with Shadcn/UI and atomic design principles.
- Prior open-source contribution experience (highly preferred).
Benefits
- 100% remote work with no rigid time limits—your productivity defines your work hours.
- Flexible schedule—we’re night owls, but your schedule is yours.
- Performance bonuses for exceptional contributions.
- Open-source exposure and networking opportunities with contributors worldwide.
- A cool Swag Kit to make you feel like you're part of Keyshade forever.
- A chance to shape an innovative product in the secrets management domain.
About Us
Keyshade is a self-funded, remote, open-sourced startup, based out of India. We are a small team working entirely remotely, and also being sustained a lot by the open-source ecosystem.
Our product deals in the domain of data and information security. We provide developer teams of all sized with the solution to the age-old problem of managing configurations for their applications. Keyshade aims at providing developers with an intuitive platform that enables them to outsource secret and configuration management, while they can put their entire focus in developing their application. We have developed our product with a security-first mindset, while also keeping into consideration the ease of use of the product.
Bot checking
If you have went through the whole JD and if you are not a bot then give us a star on Github: https://git.new/keyshade
Availability: Full time
Location: Pune, India
Experience: 4- 6 years
Tvarit Solutions Private Limited (wholly owned subsidiary of TVARIT GmbH, Germany). TVARIT provides software to reduce manufacturing waste like scrap, energy, and machine downtime using its patented technology. With its software products, and highly competent team from renowned Universities, TVARIT has gained customer trust across 4 continents within a short span of 5 years. TVARIT is awarded among the top 8 out of 490 AI companies by European Data Incubator, apart from many more awards by the German government and industrial organizations making TVARIT one of the most innovative AI companies in Germany and Europe.
We are looking for a passionate Full Stack Developer Level 2 to join our technology team in Pune. You will be responsible for handling operations, design, development, testing, leading the software development team and working toward infrastructure development that will support the company’s solutions. You will get an opportunity to work closely on projects that will involve the automation of the manufacturing process.
Key responsibilities
- Creating Plugins for Open-Source framework Grafana using React & Golang.
- Develop pixel-perfect implementation of the front end using React.
- Design efficient DB interaction to optimize performance.
- Interact with and build Python APIs.
- Collaborate across teams and lead/train the junior developers.
- Design and maintain functional requirement documents and guides.
- Get feedback from, and build solutions for, users and customers.
Must have worked on these technologies.
- 2+ years of experience working with React-Typescript on a production level
- Experience with API creation using node.js or Python
- GitHub or any other SVC
- Have worked with any Linux/Unix-based operating system (Ubuntu, Debian, MacOS, etc)
Good to have experience:
- Python-based backend technologies, relational and no-relational databases, Python Web Frameworks (Django or Flask)
- Experience with the Go programming language
- Experience working with Grafana, or on any other micro frontend architecture framework
- Experience with Docker
- Leading a team for at least a year
Benefits and perks:
- Culture of innovation, creativity, learning, and even failure, we believe in bringing out the best in you.
- Progressive leave policy for effective work-life balance.
- Get mentored by highly qualified internal resource groups and opportunities to avail industry-driven mentorship programs.
- Multicultural peer groups and supportive workplace policies.
- Work from beaches, hills, mountains, and many more with the yearly workcation program; we believe in mixing elements of vacation and work.
How it's like to work for a Startup?
Working for TVARIT (deep-tech German IT Startup) can offer you a unique blend of innovation, collaboration, and growth opportunities. But it's essential to approach it with a willingness to adapt and thrive in a dynamic environment.
If this position sparked your interest, do apply today!
By submitting my documents for the recruitment process, I agree that my data will be processed for the purpose of the recruitment process and stored for an additional 6 months after the process is completed. Without your consent, we unfortunately cannot consider your documents for the recruitment process. You can revoke your consent at any time. Further information on how we process your data can be found in our privacy policy at the following link: https://tvarit.com/privacy-policy/
Durch das Abschicken meiner Unterlagen für den Rrecruitingprozess erkläre ich mich damit einverstanden, dass meine Daten zum Zweck des Recruitingprozesses verarbeitet und nach Abschluss des Recruitingprozesses für weitere 6 Monate gespeichert werden. Ohne dein Einverständnis können wir deine Unterlagen für den Rrecruitingprozess leider nicht berücksichtigen. Du kannst dein Einverständnis jederzeit widerrufen. Weitere Informationen, wie wir deine Daten verarbeiten findest du in unserer Datenschutzerklärung unter folgendem Link: https://tvarit.com/privacy-policy/
you should be good in react node and javascript and able to build projects on the same.
You will be the part of India Accelerator tech team, the best startup Accelerator of india. Great learning and growth opportunity
We are seeking a highly motivated and technically proficient Software Engineer
to work with our product development team. Work in a fast moving and forward
thinking development environment that is constantly researching and rapidly
implementing the latest technologies.
Responsibilities:
Develop test driven, high quality Java based web applications according to
technical designs and user specifications
Follow and encourage software development best practices
Continually add to your knowledge of Search Engine Marketing (SEM)
principles and techniques
Follow and encourage Agile software development best practices and
evolve those practices with your team
Work closely with fellow developers and end users to rapidly produce
critical features
Mentor fellow developers and gain the skills to move you to the next level
of leadership
Evaluate new technologies and frameworks to implement into projects
Key Skills:
4+years experience in an Open Source development environment
B.Tech/B.E in Computer Engineering or equivalent
Must possess effective interpersonal and communication skills and ability
to work successfully in a team environment
Experience with SQL databases
MVC frameworks such as Spring MVC, Struts, or WebWork
Strong Linux/Unix operating system usage and command line familiarity
Familiarity with IDE tools such as Eclipse
Experience implementing and consuming SOAP or REST based web
services
Ruby, Groovy, Perl, or similar interpreted languages
JMS or other message-driven architectures
Practicing Test Driven Development
Technical Leader reporting to the CTO/CEO. Your responsibilities include the following, but are not limited to:
- Architecting, Designing and Developing Software Programmes based on requirements provided
- Designing and Developing with a high quality of code that is modular, scalable and re-usable at all times
- Promote SRE (Site Reliability Engineering) to ensure all of the services are Highly-Available and Fault Tolerant at all times
- Communicate effectively the system requirements to other software development teams
- Involve pro-actively with client and their requirements
- Evaluate and select appropriate software or hardware and suggest integration methods
- Oversee assigned programs (e.g. conduct code review) and provide guidance to team members
- Assist with solving technical problems when they arise
- Ensure the implementation of agreed architecture and infrastructure
- Address technical concerns, ideas and suggestions
- Monitor systems to ensure they meet both user needs and business goals










