Senior Software Engineer - Kotlin & Spring Boot

About the Role

Zencargo is looking for a Senior Software Engineer remote to join our core feature squad, working with Kotlin and Spring Boot to build and scale critical capabilities across our digital freight forwarding platform. As a Senior Software Engineer in this team, you’ll be responsible for delivering high-impact features that sit at the heart of our customer experience, from booking and tracking shipments to streamlining operations for supply chain teams.

What You'll Do

• Lead the design, implementation, and delivery of complex projects and features aligned with team and company goals.
• Write high-quality, maintainable, and well-documented code, setting a standard for others on the team.
• Identify and drive improvements to technical systems, processes, and team practices to enhance performance and quality.
• Facilitate technical discussions, communicate trade-offs effectively, and make decisions with a focus on scalability, performance, and long-term impact.
• Collaborate effectively with cross-functional partners and other engineering teams to deliver impactful solutions.
• Mentor peers through pairing, feedback, and knowledge sharing to support their technical and professional growth.
• Contribute to a healthy, inclusive team culture by role-modelling Zencargo’s values and building strong working relationships.

Requirements

• Professional experience with Kotlin (or Java with a strong willingness to work in Kotlin).
• Solid understanding and hands-on experience with Spring Boot 3 for building scalable, maintainable backend services.
• Strong knowledge of RESTful APIs, microservice architecture, and integration patterns.
• Experience working with relational databases (e.g. PostgreSQL or MySQL) and designing efficient, maintainable schemas.
• Familiarity with automated testing approaches (unit, integration, E2E) and test-driven development.
• Understanding of monitoring and observability practices, including logs, metrics, and alerts.
• Aware of system performance, scalability, and technical debt — and how to address them.
• Comfortable leading discussions around technical trade-offs, design decisions, and long-term code maintainability.

Nice to Have

• Experience working in an agile delivery environment, contributing to planning and estimation.
• Proactive, ownership-driven approach to delivering high-quality software.

What We Offer

• Competitive salary ranging from $120,000 to $150,000 annually.
• Fully remote work environment.
• Opportunities for professional growth and mentorship.
• Inclusive and collaborative team culture.
• Access to the latest tools and technologies.