Lead Developer (Full Stack - .NET, C#)

ReserveX; Calgary; On-site; CAD 110,000 - 150,000; Full time

Benefits offered by this job

Equity

Job summary

ReserveX is seeking a Lead Full-Stack Developer to provide technical leadership on a modern travel platform built with .NET/C#, React and cloud-native services. You will guide architecture, mentor engineers, and drive performance, security, and scalability across a distributed system.

You will collaborate with global teams, shape engineering practices, and help migrate from a monolithic to a microservices-based approach while delivering high-quality software in a fast-moving startup environment.

Qualifications

• 5+ years of software development experience.
• 3+ years designing high-performance cloud-based applications.
• Travel tech experience preferred.
• .NET (C#) development with REST/microservices.
• Docker containers.
• Frontend in ASP.NET, Angular, and React.
• SQL and NoSQL databases (SQL Server, Couchbase).
• Hands-on AWS (EC2/S3/RDS).
• Understanding of microservices and cloud-native design.
• API security best practices & auth strategies.
• Familiarity with AI-powered development tools.
• Collaborate with business and technical teams.
• Strong problem-solving and communication.
• Mentorship to elevate team performance.

Responsibilities

• Lead architecture decisions and guide engineering teams.
• Contribute code while ensuring security, maintainability, and scalability.
• Support migration from monolith to microservices.
• Mentor junior engineers and promote best practices.
• Collaborate with global teams on performance and modernization.

Skills

.NET/C# development

REST APIs

Microservices

Cloud architecture

Leadership

Mentorship

React/Angular

SQL/NoSQL

AWS

Security practices

Tools

Docker

AWS

Job description

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 experiencesthrough 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 NoSQL 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 DevOps 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!