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 Built In Wealth Tech of the Year 2025 - Presented by US Fin Tech Awards The World’s Top 250 Fintech Companies 2024 - Presented by CNBC

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, Memory store for Redis/Valkey, AlloyDB, Spanner, Big Query). 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 Big Query. 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 Dev Ops 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 Dev Ops principles is key to succeeding in this role.

• 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), Memory store (Redis/Valkey), AlloyDB, Spanner, and Big Query.
• Manage large transactional replication with low‑latency delivery; use Big Query as a replication target and tune performance/cost.
• Implement database changes via IaC (Terraform with Git Hub PRs) following performance, security, and reliability best practices.
• Establish backup/restore, PITR,…