Senior Backend Engineer II

Job Summary:

Engineering at Gametime

You will be a key contributor to the Engineering team responsible for building and maintaining the client-side applications and backend systems that power the Gametime experience for millions of users. We empower engineers to take full ownership of their code and foster a culture grounded in testing, code reviews, observability, experimentation, and operational excellence. At Gametime, we value collaboration, inclusivity, and the strength of diverse perspectives — creating an environment where people love to build together.

The Role

We are seeking an experienced Senior Backend Software Engineer II to join the E-Commerce Platform team.  This team is responsible for the technology and systems that power the Payment, Fraud, and Account Management domains of the Gametime marketplace. This is a senior individual contributor (IC4) position for engineers who are domain experts, lead complex initiatives across teams, and raise the technical bar through mentorship and architectural influence. You will collaborate closely with Engineering, Product, Design, Data, and business stakeholders to shape the future of our platform.

Key Responsibilities:

• Lead the architecture and implementation of high-performance Golang microservices for e-commerce checkout, account management, and fraud mitigation.
• Own the technical design and execution of cross-functional projects, ensuring long-term scalability, maintainability, and performance.
• Build, test, monitor, and maintain mission-critical integrations and infrastructure.
• Explore and help implement AI-powered capabilities within our systems and workflows, including agentic tools and intelligent automation.
• Develop reliable external and internal APIs supporting up to 1 million RPM.
• Collaborate with Product, Design, Data to shape technical solutions that align with customer and business needs.
• Mentor engineers across the team by sharing knowledge, reviewing code, and encouraging engineering excellence.
• Drive the end-to-end execution of projects, from initial concept to production.
• Identify and drive improvements in system reliability, scalability, observability, and deployment pipelines.
• Promote a high-performing, inclusive engineering culture through tech talks, code quality standards, and thought leadership.

Key Competencies:

Technical Skills:

• Backend Language Proficiency: Expertise in developing high-throughput systems using Golang (or Python, Ruby, Java, C++, C#, Rust, Scala, etc.).

Codegen Tooling: Experienced in using AI for Codegen and evangelizing use and best practices for integrating it into development workflow.

• Scalable Systems: Experience building distributed systems that support millions of RPM with low latency.
• Familiarity with: OIDC Authentication (Google, Apple SSO), E-Commerce Fraud Prevention, Payment Service Provider Integrations (Stripe)
• Workflow Orchestration: Experience designing and operating state machines and long-running workflows using systems like AWS Step Functions, Temporal, or equivalent orchestration frameworks.
• API Design: Skilled at designing resilient public and internal APIs
• Cloud Infrastructure: Proficient with AWS, Google Cloud, or Azure and infrastructure-as-code practices.
• Event-Driven Architecture: Strong experience with Kafka, RabbitMQ, or equivalent messaging systems.
• Database Management: Strong experience with SQL (e.g. PostgreSQL, MySQL) and NoSQL systems (e.g. MongoDB, DynamoDB, etc.).

Leadership & Collaboration:

• Domain Expertise/Ownership: Deep understanding of key product areas with the ability to lead initiatives from concept through production.
• Mentorship: Actively mentors engineers and uplifts team performance through coaching and feedback.
• Project Leadership: Independently manages the full lifecycle of complex projects involving multiple stakeholders.
• Cross-Functional Collaboration: Strong communicator and trusted partner to Product, Design, Data, and Engineering peers.
• Strategic Influence: Helps shape technical direction, roadmap priorities, and engineering best practices.

Minimum Qualifications:

• Education: Bachelor’s degree in Computer Science, Engineering, or a related field.
• Experience: 8+ years in software engineering with 4+ years specifically working on high-throughput backend systems.