Full Stack Engineer- MERN at Spenza Spenza is at the forefront of making wireless connectivity effortless for businesses. We enable any business to become a mobile operator. As we zip through our 1–10x journey and scale, we’re looking for software engineers who thrive on solving for breadth and scale. This is a unique opportunity to work closely with the founders in building the next-generation platform that will power the company’s next 10x growth. This role is ideal for ambitious and talented engineers who want to gain holistic experience building and running a SaaS product that is simplifying the telecom space. Key Responsibilities: Build, scale, and optimize applications using the MERN stack (MongoDB, Express, React, Node.js/ Nest.js). Architect and design systems for scale, reliability, and security. Deploy, monitor, and manage applications on AWS cloud services. Integrate payment gateways (Stripe or similar) for seamless billing and transactions. Implement reporting and analytics dashboards (Metabase or similar BI tools). Build and maintain data pipelines for reporting, analytics, and system insights. Integrate AI tools and services to enhance automation, intelligence, and efficiency. Debug, troubleshoot, and resolve complex technical issues across the stack. Write clean, maintainable, and well-documented code. Collaborate with product, design, and business teams to translate requirements into scalable technical solutions. Contribute to architectural discussions and technical decision-making. Ensure best practices in software engineering including CI/CD, testing, and code reviews. Take ownership of features end-to-end—from design to deployment. Qualifications: Experience: Minimum of 2 years in a startup environment, ideally in a small product team using the MERN stack. Education: Bachelor’s degree in Engineering or related field (Tier 1 institution preferred). Strong hands-on experience with MERN stack development. Experience with AWS cloud services (EC2, Lambda, S3, RDS, CloudWatch, etc.). Familiarity with payment systems (Stripe or equivalent APIs). Experience with reporting tools (Metabase, Looker, or similar BI platforms). Knowledge of data pipelines, ETL workflows, and handling large datasets. Exposure to or experience with AI tools, APIs, or frameworks. Strong debugging, problem-solving, and troubleshooting skills. Ability to design and document software architecture clearly and concisely. Ambitious, driven, and hungry for success with a willingness to put in the work to win. High integrity and a high-quality bar on work products. Excellent written and verbal communication skills for clear documentation and collaboration. Knowledge of telecommunications, software, or business operations is a plus. Telecom industry experience is highly desirable. Why Spenza: Impact: Play a pivotal role in shaping the future of a high-growth startup. Growth: Great time to join as we are scaling up. Culture: Be part of a dynamic, inclusive, and innovative team.