Web & Mobile App Developer

Location

Gurgaon, India

About Us

Zelestra (Formerly Known as Solarpack) is a purpose driven global renewables company, specializing in the development, construction, commercialization, and operation of large-scale renewable projects with a presence in fast-growing markets in India,Europe, North America, Latin America, Asia, and Africa.

 

Since its foundation in 2005, the company has developed or built on a turnkey or EPC basis power plants that represent a total capacity of 2.5 GW. The company has a project portfolio of 17 GW of projects across 14 countries, with 2 GW signed with customers, 1.3 GW in operations or construction, in the United States, Europe, Latin America and India.

 

Headquartered in Spain, Zelestra (Formerly Known as Solarpack) has over 700 professionals and is expected to be over 1,000 people at the end of 2024.

 

Zelestra (Formerly Known as Solarpack) is backed by EQT, one of three largest funds in the world with $232B in assets.

 

Our purpose is to accelerate the transition to clean and affordable energy for all. Our values are integral to our mission of leading the renewable energy charge, ensuring that we continue to set industry standards. We maintain a firm commitment to contribute directly to the social development of the communities and markets in which we operate, not only through the creation of economic value, but also through the generation of quality employment and through the social projects we promote. 

Mission

Your mission is to be part of a dynamic team as a highly skilled Web and Mobile App Developer, responsible for designing, developing, and maintaining responsive web and mobile applications. You will bring your expertise in both front-end and back-end technologies, cross-platform frameworks, and cloud-based services. Collaborating closely with UI/UX designers, product managers, and backend AI/ML engineers, you will help build seamless, high-performance applications.

Responsibilities

• Develop and maintain web and mobile apps using frameworks like React, Angular, Flutter, React Native, Swift, Kotlin.
• Ensure responsive UI and cross-platform compatibility for both iOS and Android.
• Integrate RESTful APIs, GraphQL, and cloud services (AWS, Firebase, Azure).
• Implement secure authentication and follow data protection best practices.
• Optimize app performance for speed, scalability, and responsiveness.
• Debug and troubleshoot UI, connectivity, and performance issues.
• Collaborate with designers, QA testers, and product teams to create solutions.
• Deploy apps to Google Play Store, Apple App Store, and web hosting services.
• Stay updated with emerging technologies, frameworks, and industry trends.
• Follow best coding practices, maintain documentation, and use Agile methodologies.

Job Requirements

• Education & Experience:

  • Bachelor’s/Master’s in Computer Science or related field.

  • 5+ years in web and mobile app development.

• Technical Skills:

  • Frontend: React.js, Angular, Vue.js
  • Mobile: React Native, Flutter, Swift, Kotlin
  • Backend: Node.js, Python (Django/Flask), Firebase, .NET, PHP
  • Databases: PostgreSQL, MySQL, MongoDB, Firebase Firestore
  • APIs: RESTful APIs, GraphQL, WebSockets
  • DevOps/Deployment: Docker, AWS, Azure, CI/CD pipelines
  • Version Control: Git, GitHub, GitLab

• Soft Skills:

  • Strong problem-solving and analytical thinking
  • Excellent collaboration and communication skills
  • Ability to work in fast-paced, agile environments

What we offer

• Permanent full-time position with a high level of responsibility.
• Flexible compensation.
• Working from home 2 days per week.
• Half working day in August.
• Work in a leading company in the renewable energy sector.
• Potential for professional growth.
   

Zelestra celebrates the diversity of thought and experience that comes from a variety of backgrounds including, but not limited to, gender, age, ethnicity, …Our mission is to contribute to a more just and equitable society.

#JR1927

#LI-HYBRID