Senior Developer - Fixed Income Trading

Job#: 3014500

Job Description

Senior Developer – Fixed Income Trading

Est. Start Date: 1/6/2026

Duration: 6 months

Working hours: 9AM-5PM

Working Location: GTA based [100% remote currently but will need to be able to go in for occasional events and meetings]

Role Mandate: Our client aspires to build best-in-class platform for our Fixed Income trading desk covering a wide spectrum of Investment Grade and High Yield bonds to serve the growing needs of our clients globally. Our vision is to build industry-leading fixed income trading platform using modern software development principles to allow for adaptability, future growth, and integration with both external systems and proprietary pricing/risk tools.

We are searching for a senior developer with extensive experience building complex software solutions to join our team and help us on our current initiatives. This role will work closely with the team of developers, business analysts, product managers, production support teams to execute both short-term tactical and long term goals.

Responsibilities

• Provide leadership and innovative ideas with respect to development design and integration with other components
• Quickly adjust, redesign and adapt design and functionality based on the frequent feedback from traders and other stakeholders
• Build effective partnership with other team members and key stakeholders to establish productive, mutually respective work environment
• Build high-quality documentation artifacts (solution diagram, trade flow, current vs target state, etc.) as required by client standards
• Maintain current trading systems, provide system enhancement and production support
• Effectively unit-test own software deliverables, participate in planning and execution of test suites
• Partner with others in the organization to advance overall IT capabilities in the areas of real-time messaging, application integration, application high-availability, other

Key Qualifications

• 7+ years of demonstrated experience developing complex software solutions serving the needs of large geographically dispersed organizations
• True Agile practitioner, can start with a concept and rapidly change to arrive at the end result
• Experienced in system development with high performance, real time streaming, data update, highly integrated with backend internal & external services (TCP, HTTP, MQ, FIX)
• FIX experience a must
• Experienced in software languages: Java, Python, C++, and Oracle database,
• DevOps, CI/CD Git, Linux server, Shell scripting, Windows server
• Work experience in Capital Markets – FI Income, Credit trading, rates is an asset
• Work experience in large Capital Markets trading platforms (Bloomberg TOMS, FIS BondOne, Calypso, WSS…) is an asset
• Equally effective partnering with all levels including senior technology and business stakeholders, and other members of the team
• Excellent verbal and written communication skills

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join 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.

Apex Benefits Overview: 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. 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, 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. 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 Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join 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.

Apex Benefits Overview: 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. 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, 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. 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 Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems 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. 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 Employee Services Department at [email protected] (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 Apex Systems.