Software Development Team Lead
Upstream
Software Development Team Lead
Upstream
Secures digital services for mobile operators
Upstream · Gerakas, Greece (Hybrid) · Full-time · Posted 2026-10-01
Workplace: hybrid
Department: Engineering
Who we are
Upstream is a global leader in mobile marketing automation and digital service innovation, enabling Mobile Network Operators (MNOs) and brands to grow revenue, improve customer engagement and succeed in the digital economy. With over two decades of experience and operations spanning 45+ markets across Africa, Latin America, Asia, Europe, and the Middle East, we are a trusted partner to more than 60 MNOs worldwide.
Headquartered in Athens, Greece, and with regional hubs in London, Dubai, Johannesburg, Lagos, São Paulo and Rio de Janeiro, Upstream combines global expertise with deep local insight. Our end-to-end approach encompasses strategy, creative development, technical deployment, campaign execution, and ongoing optimization, ensuring seamless, scalable, and performance-driven service delivery.
The role
We are looking for an enthusiastic Software Development Team Lead to join our Software Development team in Athens, Greece. As a Software Development Team Lead, you will lead a team of talented software engineers working on mission-critical applications throughout the entire development lifecycle, from concept and design to development, delivery, and production support. This is a hands-on leadership role combining technical contribution with people management responsibilities. You will mentor and support engineers in their professional growth, foster a collaborative and high-performing engineering culture, and help the team deliver scalable, high-quality software solutions. You will use a modern JavaScript tech stack, such as React/Next.js and Express.js, to build both public-facing and internal application modules of our products. You will work in a cross-functional team with QA Automation and DevOps Engineers, who are integral to our CI/CD process. You will collaborate with UI/UX Designers and Product Managers to help shape product direction, define technical solutions, prioritize delivery, and ensure successful execution of projects aligned with business goals. We use industry best practices and prioritize providing an exceptional developer experience, ensuring you have the tools, autonomy, and support needed to thrive in your role. You'll have the opportunity to work with top-tier private cloud infrastructure, including Kubernetes clusters and dedicated performance labs, to help meet our Platform’s performance, reliability, and scalability goals.
We believe in fostering an environment that enables individuals and teams to reach their full potential while delivering high-quality work with confidence and ownership.
Your main responsibilities will be to:
We offer a competitive base salary and benefits, directly dependent on the candidate’s qualifications and skills. The real excitement comes from working closely with a dynamic, smart, agile, and highly motivated team in a competitive and fast-paced environment.
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Upstream is an equal-opportunity employer. The Company does not discriminate on the basis of race, color, creed, pregnancy, religion, gender, national origin, age, disability, marital, or any other legally protected status. The Company also makes reasonable accommodations for disabled employees. Finally, the Company prohibits the harassment of any individual based on their protected status. This policy applies to all areas of personnel actions including recruitment, hiring, training, promotion, compensation, benefits, transfer,and social and recreational programs
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Upstream provides affordable and secure mobile digital services to over 1.2 billion people worldwide, including Zero D, which offers free access to essential internet services for 250 million users, and Secure D, a security platform that blocked over 98,000 malicious apps across 20 countries in 2019. Zero D delivers essential online services at no cost through partnerships with mobile operators, while Secure D monitors and blocks harmful apps and fraud in mobile transactions, with Upstream collaborating with more than 60 operators in 45 high-growth markets. The company differentiates itself by combining broad reach with both affordable access and security across many operators and markets, plus demonstrated malware and fraud protection. Its goal is to enable safe, accessible digital services that drive digital revenue growth for mobile operator partners and end users.
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