Infrastructure Engineer (Experienced/Senior+ Levels)

SentiLink provides innovative identity and risk solutions empowering institutions and individuals to transaction with confidence. We’re building the future of identity verification in the United States replacing a clunky ineffective and expensive status quo with solutions that are 10x faster smarter and more accurate.

We’ve seen tremendous traction and are growing extremely quickly. Our real-time APIs have helped verify hundreds of millions of identities starting with financial services and rapidly expanding into new markets. SentiLink is backed by world-class investors including Craft Ventures Andreessen Horowitz NYCA and Max Levchin.

We’ve earned recognition from TechCrunch CNBC Bloomberg Forbes Business Insider PYMNTS American Banker LendIt and have been named to the Forbes Fintech 50. We have also been named a 2026 FICO Industry Vanguard Decision Award Winner. Last but not least we’ve even made history - we were the first company to go live with the eCBSV and testified before the United States House of Representatives on the future of identity.

SentiLink supports a variety of ways to work ranging from fully remote to in-office. We operate as a digital-first company with strong collaboration across the U.S. and India. We maintain physical offices in Austin San Francisco New York City Seattle Los Angeles and Chicago in the U.S. and in Gurugram (Delhi) and Bengaluru in India. If you’re located near one of these offices we would love for you to spend time in the office regularly. Some roles are hybrid or in-office by design. For example our engineering team in India works primarily from our Gurugram office.

As a Senior Infrastructure Engineer you’ll be responsible for the development of standards processes tooling and systems that serve as the foundation of the SentiLink platform. We’re looking for someone driven towards improving the reliability and efficiency of our systems services and engineering teams. You will work closely with the Engineering Data Science and Analytics teams to understand their needs and pain points and to build systems and tools to improve their velocity reliability efficiency and visibility. The optimal candidate will have a bias towards secure solutions that follow engineering best practice.

Python Aurora PostgreSQL AWS infrastructure (EC2 S3 RDS Redshift etc.) Kubernetes Docker Terraform CICD observability tooling (e.g. Datadog Prometheus SumoLogic) OpenSearch and Linux

This is a remote US-based role.

• Construct infrastructure as code. Develop and enforce best practice across configurations while preventing drift between Terraform configurations and infrastructure deployments

• Design infrastructure that enables Engineering Data Science and Analytics to rapidly perform software development and data processing

• Design implement and maintain scalable DevOps and CI/CD pipelines to automate application deployment infrastructure provisioning and system monitoring ensuring high availability and efficient development workflows

• Implement monitoring tools dashboards and functionalities for a variety of services and operations across SentiLink’s infrastructure and software platform

• Formulate strategies and execute solutions for cloud identity and access management

• Collaborate with the SRE and security teams to maintain secure up-to-date infrastructure in our cloud environment

• Supervise and monitor platform costs working cross-functionally to keep costs in line with corporate financial expectations

• Oversee develop and operate Kubernetes and service mesh infrastructure ensuring smooth performance and reliability

• Investigate operational alerts pinpoint root causes and compile comprehensive root cause analysis reports. Pursue action items relentlessly until they are thoroughly completed

• Conduct in-depth examinations of database operational issues actively developing and improving database architecture schema and configuration for enhanced performance and reliability

• 4+ years of relevant work experience

• Familiarity with AWS cloud infrastructure managing infrastructure as code and cloud identity and access management

• Experience developing cloud networking infrastructure including DNS CDNs load balancers VPCs subnets and security groups

• Experience with scaling and migrating production systems with little to no downtime

• Experience managing observability platforms building monitoring dashboards and configuring high quality actionable alerting

• Experience working on software delivery pipelines (CI/CD) and DevOps tooling a plus

• Background in building secure container orchestration using Docker and Kubernetes is a plus

• Experience operating enterprise-size databases. Postgres Aurora Redshift and OpenSearch experience is a plus

• Experience with Python or Golang is a plus

• Hands on with development and testing of distributed systems at scale is a big plus

• Candidates must be legally authorized to work in the United States and must live in the United States

• $145000/year - $250000/year + equity + benefits

• Employer paid group health insurance for you and your dependents

• 401(k) plan with employer match (or equivalent for non US-based roles)

• Flexible paid time off

• Regular company-wide in-person events

• Home office stipend and more!

• Follow Through

• Deep Understanding

• Whatever It Takes

• Do Something Smart

What We Do

SentiLink is the leading fraud intelligence company providing financial institutions and fintechs with purpose-built solutions for identity verification and fraud prevention. Our products detect synthetic fraud identity theft and hard-to-detect first-party fraud in real time — helping partners stop losses before they happen while approving more legitimate customers.Founded in 2017 by Naftali Harris and Max Blumenfeld creators of the risk and fraud systems at Affirm SentiLink was built on a simple premise: to truly stop fraud you have to deeply understand it. That belief shapes everything from the expert human intelligence that feeds our models to the way we work with our partners. We don't call them clients or customers we call them partners because that's genuinely how we think of them.Today SentiLink processes 3M+ identity verifications per day for 500+ financial institutions including 13 of the top 15 U.S. banks and 50+ fintech unicorns. We've raised $85M from investors including Andreessen Horowitz Craft Ventures and NYCA Partners.

Why Work With Us

At SentiLink deep understanding isn't just a value it's a company-wide expectation. For example our Revenue Accounting Manager can walk you through SSN windows. That's not an exception; that's the norm. You'll collaborate closely move fast and do work that genuinely matters.

Gallery