Lead FIX Protocol Developer

Digital Assets Lead Software Engineer

In this contingent resource assignment, you may:

• Consult on complex initiatives with broad impact and large-scale planning for Software Engineering.
• Review and analyze complex multi-faceted, larger scale or longer-term Software Engineering challenges that require in-depth evaluation of multiple factors including intangibles or unprecedented factors.
• Contribute to the resolution of complex and multi-faceted situations requiring solid understanding of the function, policies, procedures, and compliance requirements that meet deliverables.
• Strategically collaborate and consult with client personnel.

Required Qualifications:

• 5+ years of Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work or consulting experience, training, military experience, education.

About the vision:

• This is an exciting time to be in Wealth Management Technology. AI is transforming every aspect of our business. Markets are moving to tokenized, on-chain and 24x7. Our customers are expecting seamless and compelling end-to-end digital wealth solutions. The Digital & Trading Technology team is at the center of enabling this; join us in shaping the future of wealth

About this role:

• Client is seeking a Digital Assets Lead Software Engineer with FIX knowledge. Our team includes 300+ engineers across the US and India, with primary hubs in New York/New Jersey, Charlotte (NC), and St. Louis (MO). This industry award winning team has a strong track record of delivering business value through innovative, cutting-edge solutions. Our engineers are passionate about AI and use AI driven development tools as part of a modern, full stack engineering culture. We leverage both Kubernetes based on-prem cloud and public cloud infrastructure to deploy our solutions. Our full stack engineers have the flexibility to collaborate with peers in the office three days a week and stay focused on delivery through partnership with a dedicated first line support organization. Our Agile product model promotes close collaboration and shared ownership with the business, offering meaningful opportunities to deepen business expertise while delivering highly impactful solutions.
• Winner of Best Use of Tech in Private Banking/Wealth Management, Winner of Gold Stevie Award for Technology Excellence New Product of the Year, Winner of Best Mobile Strategy Initiative for the American Financial Technology Awards.

In this role, you will:

• 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 for technology engineering disciplines
• Design, code, test, debug, and document for projects and programs
• Review and analyze complex, large-scale technology solutions for tactical and strategic business objectives, enterprise technological environment, and technical challenges that require in-depth evaluation of multiple factors, including intangibles or unprecedented technical factors
• Make decisions in developing standard and companywide best practices for engineering and technology solutions requiring understanding of industry best practices and new technologies, influencing and leading technology team to meet deliverables and drive new initiatives
• Collaborate and consult with key technical experts, senior technology team, and external industry groups to resolve complex technical issues and achieve goals

Required Qualifications:

• 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, 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 Qualifications:

• 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 etc.
• 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

Job Expectations: • Ability to work in the office in Charlotte, NC EEO: "Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of – Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans."