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Apex Fintech Solutions · 2 weeks ago

Senior Software Engineer (Trade Execution)

Austin, TX

Full-time

Hybrid

Senior Level

5+ years exp

Apex Fintech Solutions powers innovation in digital wealth management by processing millions of transactions daily. They are looking for a Senior Software Engineer focused on backend systems to design, build, and maintain scalable systems for their multi-asset trading platform.

Financial Services

H1B Sponsor Likely

Responsibilities

Design, develop, test, deploy, maintain, peer-review, and continuously tune high-performance, high-throughput software

Collaborate with other members of the team to share, learn, develop, and deliver designs and coding standards to meet the growing needs of the platform

Build resilient, self-scaling, self-healing services that deliver the highest level of reliability

Support the production systems that you design. This includes building, deploying (CI/CD), and monitoring (DataDog, Grafana, Prometheus, PagerDuty)

Write commercial grade, well-tested code, and maintain high code-quality standards across your team through code reviews and other best practices

Implement instrumentation to maintain observability to proactively visualize opportunities for improvement

Qualification

Backend developmentC++C#SQL databasesAPI developmentLinuxMicroservicesAgile methodologiesVersion control (Git)Problem-solvingCommunication

Required

Bachelor's in Computer Science, Software Engineering, or a related discipline (or equivalent work experience required)

5+ years of professional experience developing backend systems

Strong experience with SQL databases, including query optimization, indexing, schema design, and troubleshooting

Experience and knowledge of Linux, socket programming, concurrency and lock free data structures

Experience integrating and developing APIs for efficient data flows

Experience in execution management

Backend development expertise with proficiency in a modern programming language (e.g., C++, C#, Python, Java, Go, etc.)

Fundamental understanding of C++ and/or C# concepts, with a commitment to learning and utilizing these languages in the near term

Solid knowledge of system architecture, backend design patterns, and scalable infrastructure

Strong debugging and troubleshooting skills for application and system-level issues

Familiarity with version control systems (Git) and CI/CD pipelines in backend workflows

Exceptional problem-solving and analytical thinking skills

Strong communication and teamwork abilities, with experience collaborating across teams

Proven track record of learning and adapting to new technologies and environments

Preferred

Experience with kernel bypass networking preferred

Experience building microservices or working with distributed systems preferred

Experience building/maintaining backend trading execution systems preferred

Exposure to Agile methodologies or iterative development practices preferred

Benefits

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

Company

Apex Fintech Solutions

Apex Fintech Solutions provides the tools and services that enable hundreds of clients to launch, scale, and support digital investing for tens of millions of end investors.

Founded in 2012

Dallas, Texas, US

501-1000 employees

https://apexfintechsolutions.com

H1B Sponsorship

Apex Fintech Solutions has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (17)

2024 (14)

2023 (25)

2022 (13)