Lead Software Engineer - FIX Protocol Developer - Hybrid

Genesis10 is currently seeking a Lead Software Engineer - FIX Protocol Developer for a hybrid position with a Global Financial Institution located in Charlotte, NC. This is a 12+ month contract opportunity.

Our client is seeking a Digital Assets Lead Software Engineer with deep FIX protocol knowledge. This role is part of a large, innovative engineering team focused on Wealth Management Technology, utilizing AI-driven development tools and a modern, full-stack engineering culture. The successful candidate will work in an Agile product model, collaborating closely with business partners to deliver highly impactful solutions in a hybrid work environment (three days in the office).

Responsibilities:

• Lead complex technology initiatives including those that are companywide with broad impact
• Act as a key participant in developing standards and companywide best practices for engineering complex and large-scale technology solutions
• Design, code, test, debug, and document for projects and programs
• Review and analyze complex, large-scale technology solutions for tactical and strategic business objectives
• Make decisions in developing standard and companywide best practices for engineering and technology solutions
• Collaborate and consult with key technical experts, senior technology teams, and external industry groups to resolve complex technical issues and achieve goals

Requirements:

• 5+ years of professional software engineering experience (or equivalent combination of work experience, training, military service, or education)
• 5+ years of working knowledge of the FIX protocol session and application layers, message types, tag structure, and session management
• 5+ years of hands-on experience onboarding new FIX connections: certification testing, conformance, and go-live coordination with counterparties
• 5+ years of experience designing and building integration services and APIs
• 2+ years of experience mentoring engineers and providing technical leadership
• Ability to monitor, troubleshoot, and diagnose FIX session issues (sequence gaps, heartbeat failures, message rejections)
• Familiarity with FIX log analysis and message-level debugging
• Understanding of networking fundamentals relevant to FIX connectivity (TCP, TLS, firewall rules, extranet providers)
• Familiarity with source control, CI/CD pipelines, and automated testing
• Experience working with cloud infrastructure (hosting, deployment, monitoring)
• General understanding of trading workflows, order routing, execution reports, allocations, and confirmations
• Familiarity with common FIX message flows (NewOrderSingle, ExecutionReport, OrderCancelRequest, etc.)
• Experience coordinating FIX certification and UAT with external broker-dealers, exchanges, or ECNs
• Comfortable working directly with counterparty technical teams to resolve connectivity and message-mapping issues

Desired skills:

• Experience with .NET, Trading, or market data protocols like FIX
• Strong software development background in one or more languages (e.g., C#, Java, Python)
• Experience conducting code reviews, ensuring code quality, and supporting production readiness
• Hands-on experience with E2E/UI testing frameworks like Playwright, Cypress and Selenium WebDriver, Cucumber/Gherkin (BDD)
• Experience building RESTful services using Spring Boot
• Experience with cloud native architectures, including container platforms such as Kubernetes
• Working knowledge of software architecture and solution design principles
• Experience with CI/CD pipelines, GitHub based workflows, and modern developer tooling like Visual Studio Code
• Knowledge of application security practices, including identifying and addressing vulnerabilities using tools like SonarQube
• Willingness to participate in on-call / rotational production support, including off-hours connectivity troubleshooting
• Experience building or contributing to monitoring and alerting for session health and message flow

Pay range: $59.53 - $67.53 per hour

Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.

If you have the described qualifications and are interested in this exciting opportunity, please apply!

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:

• Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.
• The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
• Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
• Behavioral Health Platform
• Medical, Dental, Vision
• Health Savings Account
• Voluntary Hospital Indemnity (Critical Illness & Accident)
• Voluntary Term Life Insurance
• 401K
• Sick Pay (for applicable states/municipalities)
• Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.