Sr Backend Engineer at Marketonce

About the Opportunity:   As a Sr. Software Engineer (Backend - .NET) you’ll join a close-knit team to build the future of a platform destined to power immersive digital experiences for our customers and partners.  The ideal candidate can break down problems, design & architect potential solutions, do most of the complex proof of concepts, establish standards, conduct code reviews, and mentor teammates. They have extensive experience in both designing and developing SaaS platforms, a keen understanding of security and systems design, and deep expertise in API Design, microservices, distributed architecture, NoSQL and RDBMS data storage.  What You’ll Do:   Design, develop, test, and deploy software applications using .NET Core and related technologies such as C#, ASP.NET, Entity Framework, LINQ, etc Research and evaluate new technologies, tools, and frameworks to improve the software development process and enhance the software products Collaborate with Product and Engineering stakeholders to design and build platform services that meet key product requirementsDesign and implement microservices with thoughtfully defined APIsTake ownership of designed services and platform components from conception through to delivery Mentor other engineers in software development best practices, code reviews, debugging, troubleshooting, and performance optimization Adhere to all industry best practices and standards for Agile/Scrum Frameworks adopted by the organization including but not limited to daily stand-ups, grooming, planning, retrospectives, sprint reviews, demos, and analyticsWhat We’re Looking For:   8+ years of experience in backend development, with a strong focus on .NET and C#Strong focus on testingExpertise in building and optimizing scalable backend systemsExperience with database systems (NoSQL/Cosmos DB is a plus)Proficiency in cloud technologies, preferably AzureSolid understanding of distributed systems and messaging queues (e.g., Azure Service Bus is a plus)Exposure to caching solutions like Redis is beneficialStrong focus on DevOps practices, CI/CD pipelines, and tools such as Azure DevOpsStrong problem-solving and analytical skillsExcellent leadership, communication, and teamwork abilitiesBachelor’s or master's degree in computer science, engineering, or related fieldTech Stack: C#, .NET Core, Redis, SQL Server, Elastic, Azure Service Bus, Swagger, Kubernetes, Docker, Cosmos What We Offer:   Competitive annual salary: $150,000-$180,000 Flexible vacation policy – take the time you need to recharge Comprehensive health, vision & dental insurance 401k with company contribution Beautiful downtown Denver office with company-paid commuter benefits (parking or RTD EcoPass) Opportunity for career progression with room for personal growth What to Expect: 1st Round: 30-45 minute interview with the Recruiter2nd Round: 45-minute interview with the Tech Lead3rd Round: 45-minute architecture interview & Aptitude Assessment4th Round: 45-minute final interview with CTOPlease note that we are fully onsite work environment, and require daily presence at our LoDo/Union Station office. We are not considering remote, hybrid, or out-of-area candidates, and do not work with outside recruiting agencies.MarketOnce will accept applications for this role on an ongoing basis. MarketOnce is an Equal Opportunity Employer. We believe in creating a diverse and inclusive workplace where everyone has the opportunity to thrive. We are committed to hiring individuals based on their skills and qualifications, regardless of race, gender, age, sexual orientation, disability, or any other characteristic. We welcome and encourage applications from all backgrounds.