Descartes Unites the People and Technology that Move the World

The need for efficient, secure, and agile supply chains and logistics operations has become ever more critical and complex. By combining innovative technology, powerful trade intelligence and the reach of our network, Descartes helps get goods, information, transportation assets, and people where they’re needed, when they’re needed.

We’re one of the most broadly deployed logistics and supply chain technology companies in the world. More than 26,000 customers around the globe use our cloud-based solutions to transform the way they move inventory and information to enhance productivity, better serve customers, thrive competitively, keep pace with evolving regulations, and respond to rapidly changing market conditions. Descartes is publicly traded (Nasdaq:DSGX, TSX:DSG) with headquarters in Waterloo, Ontario, Canada, and offices and partners around the world. With record financial performance for more than 16 years, we lead the industry in innovation investment. Every day, logistics service providers, manufacturers, retailers, distributors, and other logistics-intensive businesses of all sizes rely on our scale, stability, and comprehensive solution footprint to move what’s most important to them. Learn more at

We’re growing fast and invite you to join our amazing team.

Senior Software Developer & Tech Lead

.NET | Cloud | Distributed Systems | Technical Leadership

Mission — Why This Role Exists

We are looking for a hands-on Senior Software Developer & Tech Lead to take technical ownership of a business-critical platform, lead and mentor developers,



and drive engineering excellence.You will remain actively involved in architecture, design, development, code reviews, production support, and continuous improvement. As you build deeper knowledge of our business and systems, your influence will expand across products and teams, helping shape engineering standards, architecture, and technical direction.

Outcomes — What Success Looks Like

Within 12–24 months, you will:

- Take technical ownership of a critical platform, including its services, APIs, databases, and integrations.
- Improve system reliability, scalability, maintainability, observability, and performance.
- Resolve recurring production issues through root-cause analysis and long-term solutions.
- Modernize architecture and reduce technical debt while balancing business priorities.
- Strengthen engineering practices across design, testing, code reviews, CI/CD, and releases.
- Lead and mentor developers, establishing clear standards for quality, ownership, and accountability.
- Improve delivery predictability through effective technical planning and execution.
- Partner with Product, QA, Operations, Infrastructure, and business stakeholders.
- Reduce knowledge silos through documentation, knowledge sharing, and stronger technical ownership.
- Contribute to broader engineering standards, architecture, and technical strategy.





Skills & Competencies
Technical Expertise

- 7+ years of software development experience, with robust expertise in C#, .NET/.NET Core, ASP.NET, REST APIs, and SQL Server.
- Strong understanding of software architecture, SOLID principles, design patterns, and scalable distributed systems.
- Experience with APIs, integrations, asynchronous processing, messaging/event-driven architecture, resiliency, and performance optimization.
- Strong production troubleshooting and root-cause analysis skills.
- Experience with automated testing, CI/CD, cloud platforms, and modern DevOps practices.
- Comfortable using AI-assisted engineering tools to improve development, testing, troubleshooting, and documentation.

Technical & Team Leadership

- Proven ability to lead technical initiatives and make pragmatic architectural decisions.
- Leads design discussions, code reviews, technical planning, and resolution of complex problems.
- Identifies technical risks early and drives continuous improvement.
- Experience mentoring developers and building a culture of ownership, accountability, collaboration, and engineering quality.
- Comfortable leading and collaborating across distributed teams and time zones.

Qualifications

- Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience.
- 7+ years of professional software development experience.
- Strong Microsoft technology stack and SQL Server expertise.
- Experience leading developers, technical projects, or engineering initiatives.
- Track record of delivering and supporting business-critical software.
- Preferred: E

📌 Technical Lead, Software Development (London)
🏢 The Descartes Systems Group
📍 London