Lead Developer; Full Stack - .NET, C

Position: Lead Developer (Full Stack - .NET, C#)
About the job Lead Developer (Full Stack - .NET, C#)
About Us
ReserveX is a quickly growing travel tech start-up on a mission to enable  amazing travel experiences through  innovative technology.  Were a small, mighty team and have already moved mountains to build partnerships with some of the worlds favourite travel brands - and thats without a superstar like you.

We are based in Calgary, Canada, but have an international team and are looking for people who will contribute to our growing culture and have a love for travel, adventure, and technology.

About the Position
We are looking for a  Full-Stack Developer  to provide  technical leadership and architectural guidance  as we scale our multi-day travel booking platform. This role requires expertise in .NET (C#), Linux OS, API development, cloud infrastructure, and front-end frameworks using React. We have recently upgraded to .NET 8.0 running on Linux, so experience with this environment is required.

Youll collaborate with a global team , work on performance, scalability, and modernization, and mentor junior engineers. Youll also help shape engineering best practices, contribute to system architecture decisions, and support ongoing migration efforts from a monolithic to a microservices-based architecture.

This is a hands-on role  where youll actively contribute code while also ensuring the system remains secure, maintainable, and scalable.

What You Bring
Technical Expertise & Experience

5+ years  of software development experience

3+ years  designing and building  high-performance, cloud-based applications

Travel technology experience with tour and cruise booking applications is preferred

Strong expertise in  .NET (C#) development  and REST, Micro Service API's

Docker Containers

Front-end experience in  ASP.NET, Angular, and React

In-depth knowledge  of  SQL and No

SQL databases  (e.g. SQL Server, Couchbase)

Hands‑on experience with  AWS services  (EC2, S3, RDS, etc.)

Understanding of system architecture, micro services, and cloud‑native design

Knowledge of  API security best practices  and authentication/authorization methods

Familiarity with  modern AI-powered development tools

Ability to  collaborate with business and technical teams  to translate requirements into real-world solutions

Strong problem‑solving mindset  with an eagerness to learn and grow

Exceptional communication skills  (both written and verbal)

A commitment to  code quality, scalability, and maintainability

Mentorship experience  and a desire to elevate team performance

Bonus Skills (Nice to Have!)

SEO optimization, data analytics, and reporting  experience

Experience in the travel industry  or with travel technology platforms

Infrastructure automation  and Dev Ops practices (e.g., CI/CD, Infrastructure as Code)

Why Join ReserveX?
Travel + Technology = fun.  Were at the cross section of innovation and adventure, and its a blast.

We put our people first.  Balance, autonomy, and empowerment are key to our culture. Need that Friday to tackle the mountain hike youve been thinking about?

Ready for lift-off.  Were embarking on an adventure that has a steep trajectory. If you are looking for an opportunity to grow, consider getting onboard!

This is a  pivotal role in shaping the future of a high‑growth travel technology company. We work in a collaborative,  fast‑moving environment  where your contributions will have a  direct impact .

Equity in ReserveX is available for the right candidate.

If you're looking for a  challenging, rewarding opportunity  where you can  lead, build, and make a lasting impact , wed love to hear from you!