WHO WE ARE
Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.
At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest.
When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila are home to over 1,000 employees.
Together, we’re shaping the future of financial innovation. Embrace change. Solve big. Win together. And be G.R.E.A.T. — grit, results, empathy, accountability, and teamwork — with Apex.
We’re proud to be recognized for the innovative work we do, the purpose-driven nature of our work, and the collaborative culture we’ve created. Here are just a few of the many awards we’ve recently received:
Best Places to Work
2026, 2025, 2024, 2023 - Presented by BuiltIn
WealthTech of the Year
2025 - Presented by US FinTech Awards
The World’s Top 250 Fintech Companies
2024 - Presented by CNBC
ABOUT THIS ROLE
As a Senior Site Reliability Engineer, you’ll play a pivotal role in our platform organization, driving the full lifecycle management of Kubernetes clusters—from design and deployment to maintenance and continuous improvement. You’ll focus on ensuring the reliability, security, and performance of our Kubernetes environments through automation and best practices. You’ll also collaborate closely with our Developer Experience and Release Engineering teams to deliver a reliable continuous delivery system for our application teams.
Duties/Responsibilities
Tooling Development: Build and enhance automation tools and libraries for generating Kubernetes manifests, eliminating manual errors and improving deployment efficiency.
Cluster Management: Deploy, configure, and maintain Kubernetes clusters and supporting infrastructure, ensuring high availability, security, and performance.
Monitoring & Troubleshooting: Set up and manage monitoring and alerting systems (Datadog), proactively identify issues, and resolve incidents quickly.
Security & Compliance: Implement best practices, conduct regular audits, and ensure compliance with relevant industry standards and regulations.
Documentation: Maintain clear and comprehensive documentation of configurations, procedures, and best practices, and provide training to other teams on platform tools, usage and best practices.
Collaboration: Work closely with application teams to streamline and support Kubernetes-based deployments, and partner with other platform teams to solve infrastructure challenges and develop robust solutions.
Continuous Improvement: Stay current with cloud-native technologies; proactively improve existing code, processes, and systems, and advocate for enhancements to processes and platform architecture.
On-Call Support: Participate in an on-call rotation to respond to and resolve production incidents, maintaining system reliability and minimizing downtime.
Education and/or Experience
Bachelor’s degree in Computer Science, Information Technology (or work equivalent experience) required
5+ years of software development experience (Go, Java, Python, etc.)
2+ years of hands-on Kubernetes experience (GKE, EKS, RKE, etc.)
Experience with Infrastructure as Code (IaC) tools and concepts (Terraform, CloudFormation, Pulumi)
Experience with CI/CD tools and pipelines (GitHub Actions, ArgoCD, FluxCD), and GitOps practices
Required Skills/Abilities
Proficient in deploying and managing Kubernetes clusters on cloud platforms (Google Cloud, AWS, Azure) and on-premises environments
Solid understanding of container technologies (Docker, ContainerD, etc.) and cloud-native, microservice architectures
Solid Linux system administration skills
Excellent problem-solving and troubleshooting abilities
Strong communication and collaboration skills
Work Environment
This job operates in a hybrid office environment 3 days per week.
#engineering #full-time #mid-senior #LI-LN1 #APEX
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.
Our Rewards
We offer a robust package of employee perks and benefits, including healthcare benefits (medical, dental and vision, EAP), competitive PTO, 401k match, parental leave, and HSA contribution match. We also provide our employees with a paid subscription to the Calm app and offer generous external learning and tuition reimbursement benefits. At AFS, we offer a hybrid work schedule for most roles that allows employees to have the flexibility of working from home and one of our primary offices.
EEO Statement
Apex Fintech Solutions is an equal opportunity employer that does not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, marital status, or any other protected characteristic. Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics.
Disability Statement
Apex Fintech Solutions is committed to creating an inclusive and accessible workplace for all candidates, including those with disabilities. We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities. If you require reasonable accommodations to participate in the application or interview process, please submit your request via the Candidate Accommodation Requests Form. We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process.
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