Sr Database Administrator - Postgres/MongoDB

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

Apex Fintech Solutions is seeking a highly motivated and experienced Senior Database Administrator (DBA) to join our team. This individual must have strong database engineering and problem-solving skills, with the ability to work independently in a fast-paced and high-volume database environment in GCP managed databases (Cloud SQL Postgres, Memorystore for Redis/Valkey, AlloyDB, Spanner, BigQuery). The Senior DBA will play a critical role in administering, maintaining, optimizing, and supporting our database systems, ensuring data integrity, performance, and availability. This includes working on both physical and Google Cloud Platform (GCP) native infrastructures. The ideal candidate will have extensive experience with Postgres Server and working with modern cloud-native database solutions such as GCP CloudSQL PostgreSQL, Redis and BigQuery. In addition to hands-on technical expertise, the role also requires strong collaboration skills, operational support, and contributions to strategic database initiatives. Furthermore, the Senior DBA is expected to embrace DevOps practices by automating database operations, implementing Infrastructure-as-Code (IaC) for provisioning and maintaining database environments, managing CI/CD pipelines for database changes, monitoring and alerting using modern tools, and collaborating closely with engineering teams to ensure seamless integration of database systems within the software development lifecycle. A proactive mindset towards continuous improvement, scalability, and reliability in line with DevOps principles is key to succeeding in this role.

Duties/Responsibilities

• Administer and optimize high‑volume MongoDB and PostgreSQL systems (including Cloud SQL) in highly available environments.
• Design and own Terraform modules for GCP databases: Cloud SQL (PostgreSQL), Memorystore (Redis/Valkey), AlloyDB, Spanner, and BigQuery.
• Manage large transactional replication with low‑latency delivery; use BigQuery as a replication target and tune performance/cost.
• Implement database changes via IaC (Terraform with GitHub PRs) following performance, security, and reliability best practices.
• Establish backup/restore, PITR, HA/failover testing, DR runbooks, and an overall database support plan.
• Collaborate with engineering teams on schema reviews, query optimization, and BigQuery governance.
• Handle security and audit tasks; respond to support requests and data change needs promptly.
• Support incident response and participate in on‑call rotations (including off‑hours, Central Time) and scheduled maintenance such as patching, large data scripts, VLDB index work, and DR testing.

Education and/or Experience

• Bachelor’s degree in Computer Science, Computer Engineering (or equivalent work experience) required
• 8+ years of prior work experience
• Experience in administering and optimizing MongoDB, PostgreSQL Server environments, including expertise in transactional replication.
• Experience with GCP CloudSQL PostgreSQL and knowledge of PostgreSQL database management.
• Experience in Memorystore for Redis, AlloyDB, Spanner and BigQuery preferred.
• Experience with other cloud-based database technologies or platforms, such as Azure SQL or AWS RDS, preferred.
• Experience with Infrastructure as Code tools such as Terraform and version control systems like GitHub for managing database infrastructure changes.
• Experience with high-availability architectures, disaster recovery planning, and execution.

Required Skills/Abilities

• Ability to work independently and manage multiple priorities in a fast-paced environment.
• Excellent verbal and written communication skills.
• Strong analytical and troubleshooting skills with attention to detail.
• Strong collaboration skills and the ability to work effectively with cross-functional teams.

• Expertise in Memorystore for Redis, AlloyDB, Spanner and BigQuery preffered.

• Familiarity with cloud-based database systems, preferably Google Cloud Platform (GCP).
• Familiarity with DevOps methodologies, Terraform and CI/CD pipelines.
• Knowledge of GCP BigQuery, including performance tuning and administrative capabilities.
• Knowledge of programming and scripting knowledge for automation.
• Willingness to provide on-call and off-hours technical support as required.

​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.