Backend Team Lead

Backend Team Lead

1GLOBAL · Lisbon, Portugal (Hybrid) · Full-time · Posted 2026-10-27

Workplace: hybrid

Department: Technology

Description

About Us

1GLOBAL is a technology-driven global mobile communications provider helping enterprises and consumer brands deliver seamless connectivity worldwide. Powered by a best-in-class telecom platform, proprietary eSIM technology, and its own mobile core network across 15 countries, 1GLOBAL operates as a fully regulated telecommunications provider in 43 countries.

Founded in 2022, 1GLOBAL has rapidly become one of Europe's fastest-growing telecom technology companies, connecting more than 80 million people and devices globally. Our customers include leading banks, multinational enterprises, global retailers, travel companies, payment service providers, and digital-first businesses.

Headquartered in the Netherlands, with R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 550 professionals across 16 countries. With annual revenues exceeding US$200 million and a strong track record of profitability, we continue to invest in innovation, infrastructure, and international expansion as we redefine the future of global mobile connectivity.

About the Team

We are looking for a talented and experienced engineering leader to join our team and lead the development of the SIM lifecyle management platforms. 
As a Team Lead you will act both as technical authority and engineering manager, responsible for guiding technical direction, ensuring delivery, and fostering team growth. This role blends technical expertise, leadership, and strategic vision to build scalable, reliable solutions.
You'll be part of an international environment, working closely with cross-functional teams to shape and evolve our platform and digital experiences.
We value teamwork and embrace a culture of ownership—our engineers are both autonomous and accountable for their deliverables. We are deeply customer-focused and committed to building software that creates real value for our users and the business.
Fluency in English is essential for this role. Please ensure your CV is submitted in English as part of your application.
We are open to hiring for this role in Lisbon.

About the Role

• Interpret business needs from customers and stakeholders to translate technical requirements into actionable development tasks.
• Design and document scalable solutions, assessing impacts, effort and resources.
• Manage project timelines, prioritize tasks, and ensure on-time delivery.
• Own the technical knowledge on the platforms that perform Over-the-Air (OTA) provisioning on our SIMs.
• Drive engineering maturity and customer-centric architecture at scale.
• Drive best practices in coding standards, code reviews, and system architecture.
• Oversee CI/CD pipelines, ensuring smooth deployments and high system reliability.
• Lead by example, mentor engineers, and support career development.
• Ensure team engagement, motivation, and continuous learning.
• Participate in recruitment and uphold engineering quality standards.

Requirements

About You

Must Have

• Proven technical leadership and people management experience.
• Strong emotional intelligence and communication skills.
• Business-oriented mindset aligning technical execution with goals.
• Ability to balance short-term delivery with long-term vision.
• Experience developing and operating scalable, distributed systems.
• Commitment to quality, testing, and full software lifecycle ownership.
• Proficiency in Go, or similar languages.
• Strong software architecture and microservices experience.
• Expertise in RESTful APIs and performance best practices.
• Deep understanding of concurrency and async workflows.
• Solid knowledge of relational (PostgreSQL) and NoSQL databases.
• Familiarity with event-driven systems (Kafka, RabbitMQ).
• Knowledge of networking principles and security.
• Cloud experience (AWS, GCP, Azure, etc.) and DevOps tools (Docker, CI/CD, laC).
• Familiarity with observability tools (Prometheus, Grafana, etc.).
• Experience in Telecom is a plus.

Benefits

Why 1GLOBAL?

• Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% year-on-year under the leadership of successful tech entrepreneurs.
• Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
• Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors and constantly being exposed to talented and driven individuals.
• Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
• Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
• International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
• Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
• Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.

1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.

Legal Notice

This job advert and its content are the property of 1GLOBAL and are protected by copyright and other intellectual property rights. Copying, reproducing, republishing or distributing this advert, in whole or in part, without 1GLOBAL’s prior written consent is prohibited. 1GLOBAL reserves all rights and may take appropriate action against any unauthorised use.

Legitimate 1GLOBAL vacancies only redirect candidates to its official application channels, including LinkedIn and Workable, and 1GLOBAL never charges fees or request payments as part of our recruitment process. If you are unsure whether a vacancy is genuine, please refer to 1GLOBAL careers page at ​https://www.1global.com/vacancies‌ or contact [email protected].

Apply

Apply at 1GLOBAL

---

Powered by Workable