Senior Software Engineer

About the role

This role shapes marketplace and avatar infrastructure for tens of millions of users.

Software engineers turn product ideas into working code. Engineers work in small teams, review each other's work, and ship in small batches. Most teams follow agile practices such as sprints and daily standups. Engineers also write tests, fix bugs, and improve performance. The field values clear communication as much as technical skill. Engineers spend part of every week on planning, code review, and debugging, not just writing new code. The ability to explain a technical decision in plain words separates strong engineers from the rest.

Key facts

Requirements

3+ years of professional experience in software development.

Proficiency in one or more programming languages such as C#, Go, Rust, Java, C++, or Python.

Experience with REST, gRPC, API design patterns, and scalable containerized systems and microservices.

A willingness to embrace new technologies and a passion for continuous learning.

Bachelor's degree in Computer Science, Computer Engineering, or a similar technical field (or equivalent experience).

Practical notes

This role is based at the headquarters in San Mateo, CA, with a hybrid schedule of onsite work on Tuesday, Wednesday, and Thursday.

The company provides equal employment opportunities and may require work authorization checks for US roles.

Typical interview steps

Hiring for engineering roles usually starts with a recruiter screen, followed by one or two technical rounds. Candidates often solve a coding problem, discuss past projects, and answer system design questions. Some loops include a take-home task. Final rounds typically cover team fit and give candidates a chance to ask questions. Interviewers look for how you break down an unfamiliar problem, not just whether you reach the answer. Practicing a few problems aloud and reviewing your own past projects are the best preparation.

Good to know

The role focuses on marketplace and avatar infrastructure at a large scale.

Commonly used languages in this area include C#, Go, Rust, Java, C++, and Python.

Distributed systems, microservices, and API design are central to the work.

The team supports systems that drive monetization for developers on the platform.

Performance optimization and reliability are core responsibilities.

This is a senior-level position that involves leading projects and collaborating across functions.

Questions to ask

Worth asking in any interview: how the team measures success, who the role works with daily, what the onboarding looks like, and what the company is trying to achieve this year. Asking what past hires did well is a strong final question. Keep the list short and pick the questions that matter most to you.

Career growth

Engineering careers usually progress from individual contributor to senior, staff, and principal levels. Some engineers move into management and lead teams of five to twenty people. Others stay on the technical track. Growth follows demonstrated impact, not tenure alone. A typical engineering ladder has clear levels with defined expectations for scope, quality, and mentorship. Moving up usually requires owning outcomes end to end rather than completing assigned tickets.

About the company

An online space lets people build and play games. Founded long ago by two creators, it grew into a shared world opened to everyone in the mid 2000s. Now reaching millions each day, it hosts games made by its users. A large share of young American children under sixteen are monthly players here. High daily activity shows a lasting community where creativity and shared play remain central.