About ShareShare is building Africa's next-generation ISP ecosystem, a fully automated, software-defined network and private bandwidth marketplace that supports fiber, wireless, and intelligent routing into a unified data & compute ecosystem for ISPs to grow on top of in a mission to connect over 1B people in Africa. Backed by global leading tech investors and powered by a world-class team, we are building one of the most scalable and impactful technology companies in the world, from Africa.About the RoleWe're looking for a Senior Software Engineer who will support and own the development, management, and configuration of the systems infrastructure that powers the network. You'll build the systems that enable automated provisioning of internet services such as connectivity, financial (web2 & web3) offerings and educational/entertainment content for consumers and businesses. If you're excited about transforming the way ‘Internet’ gets experienced by billions, this role is for you. We’re building the future of connectivity in Africa, from the ground up. We’re a lean team relentlessly tackling every problem on a first-principles basis. We need people who want to take on responsibility and are not intimidated by large challenges and ambition. If you enjoy the aforementioned, you’re going to love working with the Share team.What You'll Do Lead full-stack development across backend services, data models, and frontend interfaces, ensuring alignment with Share’s vision for a new internet. Define technical roadmap and drive execution in Linear while building a scalable, secure system design. Architect and implement performant backend services for a highly integratable system powering billing, subscription management, and telecom-grade reliability. Integrate and optimize large-scale B2B platform databases (SQL + NoSQL), ensuring low-latency analytics and seamless multi-tenant scalability. Design and maintain robust data pipelines and models supporting real-time analytics, monitoring, and cross-system synchronization across the organization. Must Have 5+ years of experience in full-stack software development Expert-level proficiency with React (preferred), with strong knowledge of Vue or Angular; skilled in building responsive, accessible, and performant interfaces for web and mobile applications. Advanced hands-on experience with Node.js and Python, including designing APIs, microservices, and event-driven architectures. Proven track record designing and managing SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB, Redis) systems at scale, including replication, sharding, and high-availability setups. Experience architecting banking, subscription, billing, and payment platforms (integration with PSPs, invoicing engines, multi-currency support). Working knowledge of data security, access controls, encryption, and regulatory requirements relevant to fintech/telecom integrations. Nice to Have Ability to develop and integrate web3 smart contracts, wallet, and token-based systems that power network incentives, decentralized identity, and transparent billing. What We Offer A foundational role in building infrastructure for Africa's next-generation connectivity platform Competitive salary Equity in a mission-driven, investor-backed company Private health and wellness benefits High ownership and direct impact on how millions connect to the internet