

Apex Systems
Lead Fix Protocol Engineer - NC
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Lead Fix Protocol Engineer in Charlotte, NC, offering a 12-month contract at $69-$74/hour. Requires 5+ years of FIX protocol experience, software engineering, and mentoring. Hybrid work model with three days onsite.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
592
-
🗓️ - Date
May 1, 2026
🕒 - Duration
More than 6 months
-
🏝️ - Location
Hybrid
-
📄 - Contract
Unknown
-
🔒 - Security
Unknown
-
📍 - Location detailed
Charlotte, NC
-
🧠 - Skills detailed
#GitHub #Debugging #Java #C# #.Net #Security #Cloud #Leadership #Kubernetes #Scala #Python #SonarQube #Stories
Role description
Job#: 3032692
Job Description:
Job Title: Lead Fix Protocol Engineer
Location: Charlotte, NC (Hybrid - 3 Days Onsite)
Contract Length: 12 months
Pay Rate: $69/hour - $74/hour
Note: We are unable to consider C2C or third-party submissions.
Role Overview
We are seeking a Digital Assets Lead Software Engineer with deep FIX Protocol experience to join an award-winning Digital & Trading Technology organization. This role focuses on building and operating highly reliable, low-latency FIX-based trading and integration platforms that support modern digital wealth solutions and tokenized assets. The Lead Engineer will drive complex, enterprise-wide initiatives, establish engineering standards, and partner directly with internal teams and external counterparties to deliver scalable and secure trading connectivity solutions.
Key Responsibilities
• Lead complex technology initiatives with broad enterprise impact.
• Design, code, test, debug, and document FIX-based integration services and APIs.
• Own the onboarding of new FIX connections, including certification, testing, and production readiness.
• Monitor and troubleshoot FIX session health, latency, and message integrity.
• Analyze logs and perform message-level debugging to resolve production issues.
• Collaborate with counterparties to resolve connectivity, mapping, and protocol issues.
• Define and influence engineering standards and best practices for large-scale technology solutions.
• Mentor other engineers and provide technical leadership across the team.
Required Qualifications
• 5+ years of professional software engineering experience, or an equivalent combination of work experience, training, military service, or education.
• 5+ years of hands-on experience with the FIX protocol, including session and application layers, message structure, and session management.
• 5+ years of experience onboarding new FIX connections, including 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 such as sequence gaps, heartbeat failures, and message rejections.
• Strong understanding of trading workflows, including orders, executions, allocations, and confirmations.
• Experience collaborating directly with counterparty technical teams to resolve connectivity and message-mapping issues.
• Understanding of networking fundamentals relevant to FIX connectivity (TCP, TLS, firewall rules).
Preferred Qualifications
• Experience with .NET, trading platforms, or market data systems.
• Strong software development background in C#, Java, or Python.
• Experience with cloud-native architectures and container platforms like Kubernetes.
• Familiarity with CI/CD pipelines, GitHub-based workflows, and modern developer tooling.
• Knowledge of application security practices and vulnerability scanning tools such as SonarQube.
• Experience with UI and E2E testing frameworks like Playwright, Cypress, or Selenium.
• Willingness to participate in on-call or rotational production support.
Job Expectations
• This role requires the ability to work in the office in Charlotte, NC, three days per week.
We are an equal opportunity employer and welcome applications from all qualified candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
Apex uses a virtual recruiter as part of the application process. Click here for more details.
If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.
© 2026 Everforth, Inc. All rights reserved.
Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.
NYSE: EFOR
4400 Cox Road
Suite 200
Glen Allen, Virginia 23060
Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.
Job#: 3032692
Job Description:
Job Title: Lead Fix Protocol Engineer
Location: Charlotte, NC (Hybrid - 3 Days Onsite)
Contract Length: 12 months
Pay Rate: $69/hour - $74/hour
Note: We are unable to consider C2C or third-party submissions.
Role Overview
We are seeking a Digital Assets Lead Software Engineer with deep FIX Protocol experience to join an award-winning Digital & Trading Technology organization. This role focuses on building and operating highly reliable, low-latency FIX-based trading and integration platforms that support modern digital wealth solutions and tokenized assets. The Lead Engineer will drive complex, enterprise-wide initiatives, establish engineering standards, and partner directly with internal teams and external counterparties to deliver scalable and secure trading connectivity solutions.
Key Responsibilities
• Lead complex technology initiatives with broad enterprise impact.
• Design, code, test, debug, and document FIX-based integration services and APIs.
• Own the onboarding of new FIX connections, including certification, testing, and production readiness.
• Monitor and troubleshoot FIX session health, latency, and message integrity.
• Analyze logs and perform message-level debugging to resolve production issues.
• Collaborate with counterparties to resolve connectivity, mapping, and protocol issues.
• Define and influence engineering standards and best practices for large-scale technology solutions.
• Mentor other engineers and provide technical leadership across the team.
Required Qualifications
• 5+ years of professional software engineering experience, or an equivalent combination of work experience, training, military service, or education.
• 5+ years of hands-on experience with the FIX protocol, including session and application layers, message structure, and session management.
• 5+ years of experience onboarding new FIX connections, including 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 such as sequence gaps, heartbeat failures, and message rejections.
• Strong understanding of trading workflows, including orders, executions, allocations, and confirmations.
• Experience collaborating directly with counterparty technical teams to resolve connectivity and message-mapping issues.
• Understanding of networking fundamentals relevant to FIX connectivity (TCP, TLS, firewall rules).
Preferred Qualifications
• Experience with .NET, trading platforms, or market data systems.
• Strong software development background in C#, Java, or Python.
• Experience with cloud-native architectures and container platforms like Kubernetes.
• Familiarity with CI/CD pipelines, GitHub-based workflows, and modern developer tooling.
• Knowledge of application security practices and vulnerability scanning tools such as SonarQube.
• Experience with UI and E2E testing frameworks like Playwright, Cypress, or Selenium.
• Willingness to participate in on-call or rotational production support.
Job Expectations
• This role requires the ability to work in the office in Charlotte, NC, three days per week.
We are an equal opportunity employer and welcome applications from all qualified candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
Apex uses a virtual recruiter as part of the application process. Click here for more details.
If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.
© 2026 Everforth, Inc. All rights reserved.
Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.
NYSE: EFOR
4400 Cox Road
Suite 200
Glen Allen, Virginia 23060
Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.






