Senior Software Engineer

We are Rokt, a hyper-growth ecommerce leader. Rokt is the global leader in ecommerce, unlocking real-time relevance in the moment that matters most. Rokt’s AI Brain and ecommerce Network powers billions of transactions connecting hundreds of millions of customers, and is trusted to do this by the world’s leading companies.

We are a team of builders helping smart businesses find innovative ways to meet customer needs and generate incremental revenue. Leading companies drive 10-50% of additional revenue—and often all their profits—from the extra products or services they sell. This economic edge unleashes a world of possibilities for growth and innovation.

The Rokt engineering team builds best-in-class ecommerce technology that provides personalized and relevant experiences for customers globally and empowers marketers with sophisticated, AI-driven tooling to understand consumers better. Our bespoke platform handles millions of transactions per day. It considers billions of data points which give engineers the opportunity to build technology at scale, collaborate across teams, and gain exposure to a wide range of technology.

At Rokt, we practice transparency in career paths and compensation. We believe in transparency, which is why we have a well-defined career ladder with transparent compensation and clear career paths based on competency and ability. Rokt’stars constantly strive to raise the bar, pushing the envelope of what is possible.

We are looking for a Backend Senior Software Engineer

Target total compensation of $245,000 - $335,000, including a fixed annual salary of $170,000 - $210,000, an employee equity plan grant, and world-class benefits.

Equity grants are issued in good faith, subject to company policies, board approval, and individual eligibility.

As a Senior Software Engineer, you will architect, build, and scale backend services that power critical systems across Rokt's ecommerce platform. You’ll work on systems that demand low latency, high throughput, and rock-solid reliability—while leveraging AI tools to accelerate development, improve resilience, and increase autonomy.

As an engineer, you will drive projects from design through delivery, mentoring others and contributing to our engineering best practices. You’ll partner cross-functionally with Product, ML, SRE and client tech teams to ensure performance and scalability as Rokt continues to scale globally.

What You’ll Do:

• Design and implement distributed systems and backend APIs that process more than 8k requests per second 
• Own architectural decisions and contribute to system design reviews and incident root cause analyses.
• Drive performance optimizations and refactors to improve system reliability, latency, and cost.
• Leverage AI/ML frameworks and tools (e.g. Cursor, Gemini, GitHub Copilot, Datadog AI, etc.) to speed up delivery and reduce toil.
• Mentor junior engineers and set technical direction for the team on scalability and observability best practices.
• Collaborate with cross-functional stakeholders to align engineering delivery with business objectives.

About the role: 

You will join the team responsible for Rokt's Ecommerce API, the critical real-time service that powers our global marketplace. This engine is the heartbeat of our platform, operating  in .NET and C# to support over 8k requests per second!

In this role, you will work on a highly scaled, fault-tolerant system where low latency and reliability are paramount. You will help drive the evolution of this service, ensuring it continues to meet the demands of our hyper-growth environment while leveraging AI tools to optimize performance and developer velocity.

About you:

• At least 4 years of experience building production-grade distributed systems at scale.
• Proficiency in C# and the .NET ecosystem, with a strong understanding of concurrency, data structures, and algorithms. Experience with Go, Java, or similar backend languages is a plus.
• Database Proficiency. Strong proficiency in SQL (preferably PostgreSQL) with experience designing schemas for high-volume transactional systems.
• API Design. Demonstrated experience designing and scaling RESTful or GraphQL APIs for web and mobile applications, along with a strong understanding of how CDN works.
• Methodology. Experience working in high-velocity development environments and a solid understanding of modern technologies, including application performance monitoring and tracing.
• Strong command of system observability, incident response, and fault-tolerant architectures.
• Familiarity with cloud-native stacks (AWS, Kubernetes, Terraform) and CI/CD tooling.
• Effective communicator and mentor; able to lead discussions and influence design decisions.
• Excited by Rokt’s AI-first culture, and eager to raise the bar across architecture, delivery, and engineering culture.

About Rokt’stars:

As a mission-driven, hyper-growth community of curious explorers, our ambition is to unlock real-time relevancy in ecommerce and beyond. Our bias for action means we are not afraid to quickly venture into uncharted territories, take risks, or challenge the status quo; in doing so we either win or learn. We work together as one aligned team never letting egos get in the way of brilliant ideas. We value diversity, transparency and smart humble people who enjoy building a disruptive business together. We pride ourselves on being a force for good as we make the world better. 

About the Benefits:

We leverage best-in-class technology and market-leading innovation in AI and ML, with all of that being underlined by building and maintaining a fantastic and inclusive culture where people can be their authentic selves and offering a great list of perks and benefits to go with it:

• Become a shareholder. Every Rokt’star gets equity in the company
• Enjoy catered lunch every day and healthy snacks in the office.
• Access generous retirement plans like a 4% dollar-for-dollar 401K matching plan and great health benefits for you and your dependents.
• Dog-friendly office
• Extra leave (bonus annual leave, sabbatical leave etc.) 
• Work with the greatest talent in town
• See the world! We have offices in New York, Seattle, Sydney, Tokyo and London

We believe we’re better together. We love spending time together and are in the office most days (teams are in the office minimum 4 days per week). 

We at Rokt choose to create a company that is as diverse and inclusive as the world we live in by attracting, growing & keeping the best talent. Equal employment opportunities are available to all applicants without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

If this sounds like a role you’d enjoy, apply here, and you’ll hear from our recruiting team.