Senior Software Engineer, Product Foundations

What you'll do

• Design and build the core services of Metropolis Web Services, the composable platform that will power multiple mobility businesses including IAM, notifications, message processing, and other critical infrastructure components
• Build and maintain our service mesh infrastructure, enabling secure, reliable, and observable communication between hundreds of microservices at scale
• Create sophisticated developer tooling, CI/CD pipelines, and platform automation that enables product teams to ship code safely and efficiently while maintaining high operational standards
• Make critical technical decisions about service boundaries, API design, data consistency patterns, and system reliability that affect the entire platform and multiple business lines
• Architect and optimize systems for high throughput and low latency to support millions of transactions across our global platform as we scale to new markets
• Establish monitoring, alerting, and reliability practices that ensure 99.99% uptime for mission-critical mobility infrastructure
• Drive architectural discussions, establish engineering best practices, and mentor other engineers while contributing directly to complex technical implementations

What we're looking for

• 8+ years of backend software engineering experience with deep focus on distributed systems and platform infrastructure
• Demonstrate expert-level Java proficiency with deep understanding of JVM performance, concurrency, and ecosystem tooling
• Possess production experience with microservices architecture, container orchestration (Kubernetes), and cloud platforms (AWS)
• Exhibit strong systems thinking with a proven ability to design and implement large-scale, high-availability distributed systems that handle significant load
• Demonstrate observability expertise including hands-on production experience with metrics, logging, tracing, and alerting systems in high-load environments
• Utilize database and data systems knowledge including relational databases, event streaming (Kafka, SQS), caching strategies, and data consistency patterns
• Show experience with AI-powered development tools such as Claude Code, GitHub Copilot, or similar agentic coding tools for enhanced productivity, specifically context engineering
• Maintain excellent technical communication with the ability to design and document complex systems, lead technical discussions, and collaborate across multiple teams

While not required, these are a plus:

• Advanced degree in Computer Science, Engineering, or related technical field
• Possess Scala experience and security compliance expertise, particularly in authentication, authorization, secrets management, and regulatory compliance for financial transactions
• Demonstrate experience with high-growth environments where you have scaled systems through rapid expansion and increasing load
• Showcase open source contributions or technical blog writing that demonstrates depth of technical expertise in distributed systems
• Exhibit performance optimization experience with profiling, benchmarking, and system tuning at hyperscale

Our Stack

• Languages + Frameworks: TypeScript, React, Scala (principally), Java (limited)
• Datastores: MySQL, PostgreSQL, Snowflake
• Cloud: AWS
• Version control: Git & GitHub
• AI Tooling: Copilot on GitHub and Claude Code
• Observability: Datadog

Compensation

The anticipated base salary for this position is $150,000.00 USD to $200,000.00 USD annually. The actual base salary offered is determined by a number of variables, including, as appropriate, the applicant's qualifications for the position, years of relevant experience, distinctive skills, level of education attained, certifications or other professional licenses held, and the location of residence and/or place of employment. Base salary is one component of Metropolis' total compensation package, which may also include access to or eligibility for healthcare benefits, a 401(k) plan, short-term and long-term disability coverage, basic life insurance, a lucrative stock option plan, bonus plans, and more.