Database Administrator - Postgres/MongoDB

APEX Fintech Services LLC; Austin (TX); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Healthcare benefits (medical, dental,视

401k match

Parental leave

Hybrid work schedule

Tuition reimbursement

Job summary

Apex Fintech Solutions in Austin is seeking a Junior Database Administrator to manage high-volume databases across GCP services (Cloud SQL PostgreSQL, Memorystore, AlloyDB, Spanner, BigQuery) and MongoDB/PostgreSQL. The role emphasizes IaC, replication, DR planning, and on-call support in a hybrid office setting.

You will collaborate with engineering on schema, performance tuning, and governance while automating DB operations and CI/CD for database changes.

Qualifications

• 5+ years of hands-on DBA experience, preferably with Postgres and MongoDB.
• Bachelor's degree in Computer Science, Computer Engineering, or equivalent work experience.
• Experience administering PostgreSQL environments with replication.
• Familiarity with GCP Cloud SQL PostgreSQL and related cloud services.

Responsibilities

• Implement database changes via IaC (Terraform + GitHub PRs).
• Manage large transactional replication with low latency; optimize BigQuery performance.
• Establish backup/restore, PITR, HA/failover testing, DR runbooks, and support plan.
• Collaborate on schema reviews, query optimization, and BigQuery governance.
• Automate DB operations, CI/CD for DB changes, and monitoring/alerting.
• Participate in on-call rotations and maintenance windows.

Skills

PostgreSQL

MongoDB

Cloud SQL

Terraform

GitHub

BigQuery

HA/DR

On-call

Cloud tooling

Education

Bachelor's degree in CS/CE

Tools

Memorystore

AlloyDB

Spanner

BigQuery

Cloud SQL

Job description

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 Junior Database Administrator to administer, optimize, and support high-volume, highly available database systems across GCP managed services (Cloud SQL PostgreSQL, Memorystore for Redis/Valkey, AlloyDB, Spanner, BigQuery) as well as MongoDB and PostgreSQL.

DUTIES / RESPONSIBILITIES

• Implement all database changes via IaC (Terraform + GitHub PRs).
• Manage large transactional replication with low-latency delivery, using BigQuery as a replication target; tune performance and cost.
• 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/audit tasks.
• Embrace DevOps: automate DB operations, manage CI/CD for DB changes, and modern monitoring/alerting.
• Support incident response and participate in on-call rotations (off-hours, Central Time) and scheduled maintenance (patching, VLDB index work, DR testing).

REQUIRED QUALIFICATIONS

• 5+ years of prior hands‑on DBA experience, preferably with Postgres and MongoDB.
• Bachelor’s degree in Computer Science, Computer Engineering, or equivalent work experience required.
• Administering and optimizing PostgreSQL environments, including transactional replication expertise.
• GCP Cloud SQL PostgreSQL and solid PostgreSQL database management knowledge.
• Preferred: Memorystore for Redis, AlloyDB, Spanner, and BigQuery (incl. BigQuery performance tuning & admin).
• Preferred: other cloud DB platforms (Azure SQL, AWS RDS).
• Terraform / IaC and GitHub for managing database infrastructure changes.
• High‑availability architectures and disaster recovery planning & execution.
• High-volume / fintech / securities transactional environment a plus.

WORK ENVIRONMENT

This job operates in a hybrid office environment three days per week.

HASHTAGS OR KEYWORDS

#databaseadministrator #DBA #mongoDB #postgres #full-time #LI-SG1 #APEX

DISCLAIMER

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

• Healthcare benefits (medical, dental and vision, EAP)
• Competitive PTO
• 401k match
• Parental leave
• HSA contribution match
• Paid subscription to the Calm app
• Generous external learning and tuition reimbursement benefits
• 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.

COMPANY CULTURE

At Apex, we stand for efficiency and transparency. In every office, you’ll find passionate, committed, dedicated teams driven to find smart solutions to solve our clients’ toughest challenges. We are passionate about our employees, providing the benefits and perks that elevate you, reward you, and help you give back. We provide great flexibility, a collaborative, open work space, and real potential to grow with the firm.