Senior / Lead Architect

Job Description:

About

We are on a mission to revolutionize B2B payments. We’re a well-funded, early-stage startup operating in stealth mode, building cutting-edge solutions that will transform the way businesses move money. If you’re excited about tackling meaningful challenges from the ground up, we want to hear from you.

As we grow, we are looking for a Senior/Lead Architect to join our team as a close partner to our CTO, helping shape the foundation of our technology and leading key strategic initiatives.

About the Role

As the Senior/Lead Architect at Tereina, you will play a crucial role in defining and executing our technical strategy. Collaborating closely with the CTO, you will establish core technology patterns, select key partners and tools, and drive the architecture of our embedded payment platform. This is a hands-on position where you will support and guide a small team actively engaged in engineering, helping them navigate complex challenges and overseeing critical cross-functional projects, such as ERP and banking integrations.

Key Responsibilities

• Architectural Leadership: Define the technology strategy and best practices for the engineering organization, ensuring scalability, security, and performance.

• Hands-on Engineering: Actively engage in coding and problem-solving alongside your team on technically challenging projects. You will spend significant time directly contributing to the codebase, demonstrating new development patterns by example.

• Strategic Integrations: Lead major initiatives involving deep integrations with SAP ERP and banking/payment networks.

• Technology Selection: Evaluate and select the most suitable technology stack, tools, and partners to support our growth.

• Team Development: Mentor engineers and help establish inclusive, effective development practices across the organization.

• Collaboration & Execution: Work closely with product, engineering, and business teams to align technical decisions with business objectives.

Qualifications

• Technical Expertise: Strong understanding across the Java development stack, with extensive experience in Spring, Java, React, Kubernetes, and Google Cloud Platform.

• Payments & ERP Knowledge: Experience in financial technology, particularly with payments infrastructure, is a strong plus.

• Hands-on Leadership: Comfortable contributing to development while supporting teams at a strategic level.

• Problem-Solving Mindset: Ability to approach complex technical challenges with creativity and clarity.

• Collaboration & Influence: Strong ability to communicate technical concepts and collaborate effectively across diverse teams and stakeholders.

• Supportive Leadership: Experience leading and empowering teams in a way that fosters collaboration, psychological safety, and continuous growth.

Why Join?

• Make an Industry Impact: Help shape the future of embedded payments within enterprise ERP ecosystems.

• Cross-Functional Exposure: Gain broad experience and visibility while contributing to a platform from the ground up.

• Collaborate with Top Talent: Work alongside experts and fintech leaders.

• Influence Company Culture: Join an early-stage startup where your contributions directly shape our product and team.

We're building transformative technology in payments and looking for curious, driven people to join us. Whether or not you meet every qualification, what matters most is your initiative, willingness to grow, and passion for building secure, performant, and user-friendly web applications.

We embrace AI as a powerful tool for innovation and welcome team members eager to leverage it in their work. As an equal opportunity employer, we’re committed to diversity, inclusion, and creating an environment where everyone can thrive.