Senior Infrastructure/Platform Engineer

Location - San Francisco, CA - (On-site, 5 Days Per Week)

Compensation - $250,000 – $350,000 Base + Competitive Equity

Visa - Visa Sponsorship Available - (Full-time Position)

Company Stage - High-Growth FinTech Startup (Series C, $100M Raised)

Industry - FinTech, Banking Infrastructure, Payments, Cloud Infrastructure, Distributed Systems, Enterprise Software

About the Company

The company is building the future of business banking by providing industry-specific financial infrastructure that enables businesses to manage payments, cards, and financial operations at scale.

Its platform powers billions of dollars in annual transaction volume for thousands of businesses through modern banking infrastructure, payment systems, and scalable financial technology. By combining powerful APIs, reliable infrastructure, and industry-specific financial products, the company is transforming how businesses access and manage financial services.

Backed by leading investors including Ribbit Capital, Khosla Ventures, NEA, and Y Combinator, the company has raised over $100M in Series C funding and continues to grow rapidly with significant revenue scale.

As a Senior Infrastructure/Platform Engineer, you'll own the foundation powering a high-growth financial platform, scaling Kubernetes infrastructure, distributed databases, messaging systems, and cloud-native technologies while solving complex reliability, performance, and scalability challenges.

This is a rare opportunity to join a fast-growing FinTech company where you'll define infrastructure strategy, lead critical engineering initiatives, build scalable systems handling massive financial workloads, and directly influence the future of enterprise banking infrastructure.

What You'll Do

• Own and scale the core infrastructure foundation powering billions in financial transactions
• Design, build, and evolve Kubernetes platforms supporting high-growth production systems
• Scale and optimize infrastructure components including Kubernetes, CockroachDB, Kafka, Temporal, and Redis
• Build and maintain infrastructure abstractions using Terraform and Pulumi to improve engineering velocity
• Improve reliability, observability, security, and performance across the infrastructure stack
• Design scalable cloud-native architectures using AWS services including EKS, ALB, WAF, Route 53, S3, and OpenSearch
• Solve complex scaling, latency, and performance challenges across high-volume financial systems
• Improve CI/CD pipelines to increase deployment speed, reliability, and engineering efficiency
• Build infrastructure tooling that enables engineering teams to move faster with confidence
• Establish infrastructure best practices and operational standards across engineering teams
• Lead technical initiatives from architecture design through production implementation
• Partner with engineering teams to improve developer experience, reliability, and system scalability

Ideal Candidate Background

Experience Requirements

• 4+ years of infrastructure/platform engineering experience
• Experience owning and scaling production infrastructure systems
• Experience working at VC-backed startups or fast-paced technology companies
• Experience leading large infrastructure initiatives from design through execution
• Demonstrated ability to build, operate, and improve high-scale production systems
• Experience working in Series A–C startups or high-growth environments
• Proven track record of measurable infrastructure improvements and ownership
• Ability to operate as a technical leader, not just an individual contributor

Technical Requirements

• Deep expertise with Kubernetes and cloud infrastructure platforms
• Strong AWS experience, including production-scale cloud architectures
• Experience managing Kubernetes clusters, preferably with Amazon EKS
• Experience with infrastructure-as-code tools such as Terraform or Pulumi
• Experience with distributed systems and large-scale infrastructure
• Experience with production databases such as CockroachDB or similar distributed databases
• Experience with messaging systems such as Kafka or equivalent event-streaming platforms
• Experience with workflow orchestration systems such as Temporal
• Experience improving CI/CD systems, deployment pipelines, and developer tooling
• Strong understanding of reliability engineering, observability, monitoring, and production operations
• Experience solving performance, scalability, and low-latency engineering challenges
• Ability to design secure, resilient, and highly available infrastructure systems

Education

• Bachelor's degree from a US, Canadian, or European university preferred
• Strong technical background in Computer Science, Engineering, or related fields

Soft Skills

• Strong communication skills
• High ownership mentality
• Excellent collaboration across Engineering and Product teams
• Comfortable operating in ambiguity
• Self-directed and proactive
• Strong technical leadership mindset
• Ability to drive infrastructure strategy and influence engineering decisions
• Strong problem-solving ability
• Customer and business impact oriented
• Comfortable working in a fast-paced startup environment

Compensation & Benefits

• Base Salary: $250,000 – $350,000
• Competitive Equity Package
• Fully On-site Environment (San Francisco, CA)
• Visa Sponsorship Available
• Direct ownership of critical financial infrastructure
• Opportunity to build infrastructure at significant scale
• High-impact Senior Infrastructure Engineering role
• Exposure to Kubernetes, distributed databases, Kafka, Temporal, and cloud-native technologies
• Opportunity to define infrastructure architecture during hypergrowth
• Collaborate with experienced engineering leaders
• Rapid career growth opportunities
• High-performance engineering culture

Why Join

This is an opportunity to build the infrastructure foundation behind a rapidly scaling financial platform processing billions of dollars in transactions.

You'll solve some of the hardest infrastructure challenges in FinTech, including scalability, reliability, performance optimization, and cloud-native architecture while working with modern technologies like Kubernetes, CockroachDB, Kafka, and Temporal.

As a Senior Infrastructure/Platform Engineer, you'll have significant ownership over the company's infrastructure roadmap and directly influence how engineering teams build, deploy, and scale mission-critical financial systems.