Senior Developer

Join to apply for the Senior Developer - Electronic Trading role at Apex Systems . Job #: Senior Developer - Electronic Trading Client: Big 5 Bank Terms: 6‑month Contract (rolling to 2 years) Location: Downtown Toronto, 1‑2 days a week in office Application Process: It is best to apply via the medium on which you are seeing this posting. Project Design, develop, and enhance electronic trading platforms, ensuring high performance, scalability, and reliability. Collaborate with sales, trading, and business analysts to implement new features aligned with the product roadmap. Optimize workflows and integrate pricing, execution, and risk controls into low‑latency environments. These electronic trading and credit systems will be built in‑house, and are replacing current tools that the front‑office is utilizing. Responsibilities Design and develop robust, scalable software solutions for Electronic trading systems. Devise and implement efficient algorithms and data structures tailored to low‑latency environments. Create comprehensive test cases to ensure software stability and reliability. Collaborate with cross‑functional teams to research, design, and implement system enhancements. Communicate effectively with operations teams regarding new features and strategy behaviors. Investigate and resolve production issues, performing root‑cause analysis independently. Translate business requirements into technical solutions with minimal guidance. Key Qualifications 8+ years experience as a Developer or Software Engineer Strong programming skills in Java and/or C#/.NET 5+ years experience with electronic trading systems and capital markets Knowledge of capital markets products such as Fixed Income and Credit Products Knowledge of highly scalable and low‑latency architectures Understanding of functional programming, and building applications from scratch 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. Equal Opportunity Employer 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. Get notified about new Senior Developer jobs in Toronto, Ontario, Canada . #J-18808-Ljbffr