Software Architect

1GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world's leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.

With 2024 full-year revenue exceeding US$100 million and in line to exceed US$200 million in FY25, 1GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1GLOBAL's evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.

Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator ("MVNO") in ten countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 450 experts across 15 countries.

Position Overview

As a Software Architect, you will collaborate closely with engineering leads, product managers, and technical leadership to shape the evolution of our systems and service ecosystem by defining architectural principles, evolve our service ecosystem, and enable teams to deliver high-quality, resilient software. You will balance pragmatism with long-term vision—driving architectural consistency while empowering teams to innovate. 

Key Responsibilities

• Establish architectural principles, standards, and best practices that guide design and implementation decisions across engineering teams. 
• Lead architecture reviews and provide design guidance for critical systems, ensuring quality, alignment across team and provide guidance on scalability, reliability, and secure coding practices 
• Guide teams in defining clear service boundaries, ownership, and data responsibilities aligned with business domains 
• Prototype and validate solutions, conducting proof-of-concepts for complex or emerging architectural challenges. 
• Define and advocate best practices in software design, coding standards, and engineering principles. 
• Collaborate cross-functionally with product managers, team leads, and platform engineers to define and communicate technical strategy. 
• Guide API lifecycle management, from initial design through governance, testing, versioning, and deprecation. 
• Partner with Staff and Principal Engineers to ensure design decisions align with architectural principles, scalability goals, and security best practices 
• Mentor engineers and foster architectural maturity across development teams. 
• Stay ahead of emerging technologies, leading their assessment and adoption where relevant to business and system evolution. 

Must Have

• 7+ years of software engineering experience with 3+ years focused on architecture in service-oriented or distributed systems at scale  
• Strong command of software and systems design patterns with proven ability to evaluate trade-offs and guide implementation decisions  
• Track record of driving API ecosystem design and evolution—defining standards, contracts, and integration models that ensure scalability, discoverability, and security across services  
• Solid knowledge of cloud-native architectures, observability, and deployment practices  
• Expertise in security, scalability, and performance best practices with ability to conduct architecture reviews and provide actionable guidance  
• Track record of making pragmatic architectural decisions under constraints (time, resources, technical limitations) 
• Knowledge of compliance and regulatory requirements (e.g., GDPR, PCI DSS) and their architectural implications 
• Excellent communication and influencing skills—able to build consensus across engineering and product teams without formal authority  
• Strategic mindset balanced with pragmatic execution—can envision long-term architecture while shipping incremental improvements 

Nice to Have

• Understanding of platform engineering principles or developer experience (DX) design 
• Prior experience in leading cross-functional architectural initiatives 
• Exposure to micro-frontends or distributed UI architectures 
• Background in platform engineering, developer experience, or infrastructure 
• Familiarity with multiple programming paradigms and languages   

What we offer?

• CLT contract — enjoy job stability and reliable benefits that value your work
• Quarterly performance bonuses to reward your hard work and achievements
• Meal allowance paid into Caju card — R$100 per working day
• Health insurance with SulAmérica — 50% covered by the company
• Daycare allowance provided to mothers with children under 3 years old — R$500 per month per child
• Kickstart your journey with an exciting welcome onboarding trip to one of our European offices (Lisbon or Berlin)
  

Why 1GLOBAL?

• Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 100% 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.