Senior Software Engineer – Trade Execution

PEAK6

Senior Software Engineer developing scalable backend systems for multi-asset trading platform at Apex Fintech Solutions. Tackling complex problems and collaborating with a skilled team in a hybrid work environment.

Posted 4/15/2026full-timeNew York City • New York, Texas • 🇺🇸 United StatesSenior💰 $149,600 - $187,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed SystemsGrafanaLinuxMicroservicesPrometheusSQL

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.
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

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend developmentSQL databasesquery optimizationindexingschema designLinuxsocket programmingconcurrencylock free data structuresAPI integration

Soft Skills

collaborationpeer reviewcode quality standardsobservabilitycontinuous improvement

Certifications

Bachelor’s in Computer ScienceBachelor’s in Software Engineering