Tech Lead – Virtual Card Platform

3 days ago

Tallinn, Harjumaa, Estonia Evotym Full time €60,000 - €120,000 per year

About the Client
Our client is an international, fast-growing company operating at the intersection of web-based projects and high-load payment processing. They process large transaction volumes across multiple systems while simultaneously building and maintaining digital platforms. With a distributed team and contractor-based development model, they value structure, clear communication, and proactive project management to deliver high-quality results across all initiatives.

Role Overview
As a Tech Lead, you will drive the technical vision and execution of a new MVP B2B platform for virtual card issuing and management. The architecture will be API-first, serving as a unified gateway for partner integrations. You will define architecture decisions, mentor the development team, and ensure the platform meets business and technical requirements for scalability, security, and reliability.

Key Responsibilities

  • Define system architecture and API design, ensuring scalability and resilience.
  • Select tools and approaches within the chosen tech stack.
  • Decompose tasks for developers, review code, and ensure timely delivery.
  • Provide technical input and consultation for business requirements.
  • Implement best practices for high-load systems, distributed architectures, and asynchronous data processing.
  • Ensure system security and compliance with OWASP standards.
  • Write and review key backend modules (API, integrations).
  • Mentor developers and foster engineering excellence.
  • Contribute to infrastructure design and external system integrations.
  • Collaborate with product managers on sprint planning and task estimation.

Requirements

  • 7+ years of commercial development experience with PHP.
  • Strong knowledge of system architecture (DDD, Clean Architecture, Hexagonal/Onion).
  • Hands-on experience with high-load, distributed systems, and high availability design.
  • Proficiency in Docker, Kubernetes, Kafka, Redis, PostgreSQL.
  • Familiarity with Laravel Octane, Fiber/Echo, gRPC + Protobuf.
  • Experience with observability and monitoring tools (Grafana, ELK/Loki, Prometheus, Sentry, Jaeger).
  • Understanding of security principles for web applications and countermeasures.
  • Experience with automated testing, profiling, and code quality practices.
  • Familiarity with Atlassian stack (Jira, Confluence) and remote team collaboration tools.

Key Soft Skills

  • Strong leadership and mentoring skills.
  • Excellent communication with both technical and business stakeholders.
  • Proactive problem-solving and decision-making abilities.
  • Structured and detail-oriented mindset.
  • Ability to balance technical depth with business priorities.

What We Offer

  • Competitive compensation package.
  • Opportunity to lead a high-impact fintech product from the ground up.
  • Work in an international, distributed team with modern tools and practices.
  • Flexibility and autonomy in decision-making.
  • Professional growth and leadership development opportunities.

Lead the design and development of a high-load B2B platform for issuing and managing virtual banking cards 

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