New

Senior Software Engineer

TEKsystems
$85.00 - $100.00 / hr
life insurance, sick time, 401(k), retirement plan
United States, Illinois, Chicago
Apr 30, 2026
Description Altruist is seeking an experienced Backend Engineer with strong expertise in options, margin, portfolio margining, risk systems, or brokerdealer trade execution workflows. This role focuses on building and enhancing the heart of Altruist's brokerage stack-their Order Management System (OMS) and supporting risk, routing, and ledgering components. You'll be contributing directly to critical systems responsible for: Executing customer orders with high precision Routing orders to markets and vendor systems Ledgering trades and maintaining accurate books/records Tracking collateral, margin, and realtime risk Building scalable infrastructure core to a modern digital custodian Given the domain, accuracy, reliability, and modern engineering practices are essential. What you'll do: Build and enhance backend services for Altruist's Order Management System, ensuring accurate trade execution and routing. Integrate with external vendors and market centers (e.g., routing networks, clearing vendors, OCCrelated workflows). Implement systems supporting margin calculations, options lifecycles, collateral tracking, and portfolio margining. Develop reliable, scalable services that ensure ledger accuracy across the brokerage platform. Leverage modern engineering practices-and AI tools where appropriate-to deliver highquality, secure code. Collaborate with crossfunctional teams including Trading, Compliance, Product, and Operations. Contribute to system design discussions and help evolve the technical architecture of Altruist's brokerage platform. Skills Java, AI, Options, Trading, Order Management, OMS, Clearing, Exchange Top Skills Details Java,AI,Options,Trading,Order Management,OMS,Clearing,Exchange Additional Skills & Qualifications Deep experience in options OR margin / portfolio margin OR experience in risk management systems, trade execution, or brokerage system development (OMS, EMS, clearing workflows) Strong backend engineering experience Java preferred, but not required (languageagnostic for the right domain expert) Comfortable using AI as part of engineering workflows but able to produce highquality, production-ready code Experience building scalable distributed systems Strong system design fundamentals Experience Level Expert Level Job Type & LocationThis is a Contract position based out of Chicago, IL. Pay and BenefitsThe pay range for this position is $85.00 - $100.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: * Medical, dental & vision * Critical Illness, Accident, and Hospital * 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available * Life Insurance (Voluntary Life & AD&D for the employee and dependents) * Short and long-term disability * Health Spending Account (HSA) * Transportation benefits * Employee Assistance Program * Time Off/Leave (PTO, Vacation or Sick Leave) Workplace TypeThis is a fully remote position. Application DeadlineThis position is anticipated to close on May 7, 2026. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.