Lead Backend Engineer

31st Union

San Mateo · 10+ years experience · Remote · Posted Oct 15, 2026

At a glance

Experience
10+ years experience
Workplace
Remote
Location
San Mateo
Visa sponsorship
Visa sponsorship not offered

About the role

  • 31st Union is seeking a Lead Backend Engineer to lead the team that builds and runs studio-hosted services for Project ETHOS.
  • The role involves managing backend engineers across US and EU studios, owning service and infrastructure architecture, and writing code alongside the team.

Responsibilities

  • Manage backend engineering team: hold regular 1:1s, set goals, give performance feedback, and lead hiring.
  • Run the backend team's planning: maintain the backlog, estimate work, and set sprint priorities against the online services roadmap.
  • Set the team's engineering standards for code review, testing, documentation and on-call readiness.
  • Own the architecture of our studio-hosted services and infrastructure, including service boundaries, data models, APIs and deployment topology.
  • Scope backend work for new game features and write/review technical designs for new services and major changes.
  • Implement and review implementations for proprietary studio backend services.
  • Align backend roadmap with studio release schedule and deploy backend hotfixes through the studio hotfix process.
  • Own monitoring, alerting, dashboards, runbooks and incident reporting for studio services.
  • Run the backend on-call rotation, and act as first responder and escalation point for backend incidents.
  • Integrate studio proprietary services with 2K and external platform services.

Requirements

  • 10+ years of server-side development experience, complemented by a Bachelor's degree in Computer Science or a related field, or equivalent experience.
  • Has led or managed backend engineers on a shipped AAA title, preferably a live-service or competitive multiplayer game.
  • Fluent in C#, and proficient in Python or Go.
  • Strong grasp of distributed systems, concurrency and scalable service design.
  • Hands-on experience with NoSQL databases such as MongoDB or DocumentDB, and with Redis.
  • Has deployed and operated production services on AWS.
  • Gives direct, constructive feedback and invites it from others.

Preferred qualifications

  • Kubernetes, Helm and microservice architectures.
  • Profiling and optimizing distributed systems, including database queries and service calls.
  • Real-time messaging, such as MQTT, and API gateways.
  • C++ and Unreal Engine.
  • Online game systems such as matchmaking, social, progression, commerce and telemetry.
  • Running a live title: incident response, capacity planning and cost management.

Benefits

  • Bonus and/or equity awards
  • Medical, financial, and/or other benefits

Workplace

  • Based in the San Mateo, California studio
  • Open to fully remote candidates

Skills

  • C#
  • Python
  • Go
  • MongoDB
  • DocumentDB
  • Redis
  • AWS
  • Kubernetes
  • Helm
  • MQTT
  • C++
  • Unreal Engine

31st Union

Lead Backend Engineer

Apply now