Software Development Engineer (SDE - MERN)

Job Overview Sustainiam, a leading climate-tech product company, is looking for a highly skilled and motivated Software Development Engineer (SDE - MERN) to join our team. In this role, you will design, develop, and deploy scalable, secure, and high-performance web applications that seamlessly integrate frontend and backend systems. This position demands knowledge in both frontend and backend development and provides an opportunity to work on cutting-edge solutions in the renewable energy and carbon emissions sector. As part of our mission-driven team, you will collaborate with cross-functional stakeholders to build products that address global sustainability challenges. If you’re passionate about creating impactful technology and enjoy working across the stack, this is the role for you. Key Responsibilities Frontend Development • Build intuitive, dynamic, and responsive user interfaces using React.js, ensuring seamless user experiences. • Translate UI/UX designs into high-quality, scalable, and pixel-perfect code. • Ensure cross-browser compatibility and responsive design for optimal performance across devices. • Optimize front-end components for speed, scalability, and performance. Backend Development • Design and develop robust RESTful APIs using Node.js and Express.js, enabling seamless frontend-backend communication. • Manage and optimize MongoDB databases, ensuring efficient data storage, indexing, and querying. • Build secure and scalable backend solutions to handle dynamic data models. • Optimize backend processes to improve performance and reduce bottlenecks. Full-Stack Collaboration • Work on both frontend and backend development, ensuring a seamless and integrated user experience. • Collaborate with product managers, designers, and DevOps teams to translate business requirements into technical solutions. • Conduct unit testing, debugging, and code reviews to maintain high-quality, production-ready code. • Deploy and manage applications on cloud platforms (AWS, Google Cloud, Azure), ensuring security and scalability. General Responsibilities • Stay updated with modern web technologies and industry trends to suggest and implement innovative solutions. • Maintain proper documentation for code, APIs, and processes. • Proactively participate in technical discussions, requirement analysis, and project planning. Skills & Qualifications Must-Have • Bachelor’s degree in Computer Science, Engineering, or a related field. • 2-4 years of hands-on experience working with the MERN stack (MongoDB, Express.js, React.js, Node.js). • Proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3 for building modern and responsive UIs. • Strong backend development experience with Node.js and Express.js. • Expertise in MongoDB, including database design, indexing, and querying. • Experience in designing and consuming RESTful APIs. • Proficiency with version control systems (Git). • Knowledge of testing frameworks/tools like Jest, Mocha, or Postman. • Hands-on experience with cloud platforms (AWS, Google Cloud, or Azure). • Strong problem-solving skills, attention to detail, and ability to manage multiple tasks effectively. • Excellent communication and collaboration skills, with the ability to work independently and in teams. Preferred • Proficiency in TypeScript. • Experience with Docker and containerized application development. • Knowledge of CI/CD pipelines and DevOps practices. • Hands-on experience with GraphQL or WebSockets. • Familiarity with microservices architecture. • Experience with AWS Lambda or serverless computing. Why Join Sustainiam? • Mission-Driven Work: Contribute to climate solutions and build technology for a sustainable future. • Balanced Development: Equal focus on both frontend and backend development, sharpening your skills across the stack. • Innovation-Focused: Work on cutting-edge products in renewable energy and carbon emissions. • Growth Opportunities: Continuous learning, professional development, and career advancement. • Competitive Compensation: Industry-leading salary and benefits package.

Sustainiam, a leading climate-tech product company