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Apex Fintech Solutions

Senior Software Engineer (Python)

Sorry, this job was removed at 04:16 p.m. (CST) on Thursday, Jan 08, 2026
Hybrid
Austin, TX, USA
Hybrid
Austin, TX, USA

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WHO WE ARE

Apex Fintech Solutions (AFS) powers innovation and the future of digital wealth management by processing millions of transactions daily, to simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech solutions enables us to support clients such as Stash, Betterment, SoFi, and Webull, and more than 20 million of our clients' customers. 

Collectively, AFS creates an environment in which companies with the biggest ideas in fintech are empowered to change the world. As a global organization, we have offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila.

If you are seeking a fast-paced and entrepreneurial environment where you'll have the opportunity to make an immediate impact, and you have the guts to change everything, this is the place for you. 

AFS has received a number of prestigious industry awards, including:

  • 2021, 2020, 2019, and 2018 Best Wealth Management Company - presented by Fintech Breakthrough Awards

  • 2021 Most Innovative Companies - presented by Fast Company

  • 2021 Best API & Best Trading Technology - presented by Global Fintech Awards

ABOUT THIS ROLE

Apex Fintech Solutions is seeking a Senior Software Engineer to play a pivotal role on the Apex Rebalancer engineering team, who is responsible for designing, developing, and maintaining Apex's best in class real-time automated portfolio rebalancing solution. You will leverage your expertise to contribute to all aspects of the software development lifecycle, from requirements analysis and architectural design to implementation, testing, and deployment. You will collaborate closely with cross-functional teams to deliver scalable, reliable, and efficient software products that meet the needs of our users and business objectives.

Duties/Responsibilities

  • Trading System Integration: Develop and maintain multi-broker integrations with trading platforms for order management and trade execution

  • ETL Pipeline Development: Design and maintain secure, scalable ETL pipelines for processing financial data from custodian platforms (Apex, Ascend)

  • Microservices Architecture: Build and maintain microservices managed by Kubernetes, ensuring scalability and resilience. 

  • API Development: Design and implement clean, consistent APIs for internal and external use, ensuring they meet functional and reliability standards. 

  • Team Growth and Mentoring: Actively participate in the recruitment and training of new team members. Mentor junior developers, fostering a culture of technical excellence and innovation in our Austin office. 

  • Continuous Improvement: Advocate for and implement best practices in software design and development, including DevSecOps, continuous integration (CI), and trunk-based development. 

Education and/or  Experience

  • Bachelor’s degree in Computer Science, Computer Engineering, or a related technical discipline (or equivalent work experience) required.

  • 5+ years of professional software development experience, with a demonstrated ability in a multi-person team setting. 

  • Production level experience with Python is required (Django and Boto library experience are nice to have).

  • Experience with other programming languages like Java or Go are nice to have also.

Required Skills/Abilities

  • Software Architecture: Strong understanding of distributed and event-driven architectures.  

  • Deep experience with AWS services (Lambda, ECS, S3, DynamoDB, SQS, API Gateway, IAM)

  • Experience with Infrastructure as Code using AWS CDK or similar tools

  • Hands-on experience with ETL pipelines (batch and/or real-time) and data processing at scale

  • Monitoring & Observability: Experience with logging, metrics, and alerting tools (e.g., Datadog, CloudWatch, Prometheus)

  • Exposure to portfolio analytics and benchmarking tools is nice to have.

Work Environment

  • This job operates in an office environment 3 days per week.

#engineering #mid-senior #full-time #LI-SD1 #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.

Apex Fintech Solutions Austin, Texas, USA Office

2010 E 6th St, Austin, TX, United States, 78702

What you need to know about the Austin Tech Scene

Austin has a diverse and thriving tech ecosystem thanks to home-grown companies like Dell and major campuses for IBM, AMD and Apple. The state’s flagship university, the University of Texas at Austin, is known for its engineering school, and the city is known for its annual South by Southwest tech and media conference. Austin’s tech scene spans many verticals, but it’s particularly known for hardware, including semiconductors, as well as AI, biotechnology and cloud computing. And its food and music scene, low taxes and favorable climate has made the city a destination for tech workers from across the country.

Key Facts About Austin Tech

  • Number of Tech Workers: 180,500; 13.7% of overall workforce (2024 CompTIA survey)
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  • Funding Landscape: $4.5 billion in VC funding in 2024 (Pitchbook)
  • Notable Investors: Live Oak Ventures, Austin Ventures, Hinge Capital, Gigafund, KdT Ventures, Next Coast Ventures, Silverton Partners
  • Research Centers and Universities: University of Texas, Southwestern University, Texas State University, Center for Complex Quantum Systems, Oden Institute for Computational Engineering and Sciences, Texas Advanced Computing Center

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