Contract Fintech Software Engineer Jobs in Naperville, IL

WHO WE ARE
Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.
At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest.
When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila are home to over 1,000 employees.
Together, we're shaping the future of financial innovation. Embrace change. Solve big. Win together. And be G.R.E.A.T. - grit, results, empathy, accountability, and teamwork - with Apex.
We're proud to be recognized for the innovative work we do, the purpose-driven nature of our work, and the collaborative culture we've created. Here are just a few of the many awards we've recently received:
Best Places to Work
2026, 2025, 2024, 2023 - Presented by BuiltIn
WealthTech of the Year
2025 - Presented by US FinTech Awards
The World's Top 250 Fintech Companies
2024 - Presented by CNBC
ABOUT THIS ROLE
Software Engineer II - Design and implement the future of our GCP cloud-native, event-driven (Apache Kafka) microservice architecture. Give technical thought leadership and high-quality system design to our high-volume, high availability trade clearing platform. Design, develop, test, deploy, and maintain diverse foundational services and SDKs used by product development teams; Learn from and apply design techniques and coding standards coached by our Senior Engineers; Build resilient, self-scaling, self-healing services that allow you to sleep through the night; and Support the production systems that you build. This includes build, deployment (CI/CD), and monitoring (Grafana, Prometheus, PagerDuty). Write high-quality, well-tested code. Maintain high code-quality standards across your team via code reviews.
Requirements - Bachelor's or foreign degree equivalent in Computer Science, Computer Information Systems, Information Management, Computer Engineering, or related field, and 3 years of experience in the job offered or as a software developer. Special skills - Experience in Java, Python, C++ or Go. Hybrid role-Occasional telecommuting permitted in Chicago area. Salary: $110,000/year. See benefits at https://peak6.com/careers/.
Employer & Worksite: Apex Fintech Services LLC; 141 W. Jackson Blvd, Ste. 500, Chicago, IL 60604
Any applicant who is interested in this position may apply online at the link here: https://peak6group.wd1.myworkdayjobs.com/apexfintechsolutions/job/Chicago-IL/Software-Engineer-II_JR103473 or HR,
141 W. Jackson Blvd, Ste. 500, Chicago, IL 60604
#LI-DNI
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.
Our Rewards
We offer a robust package of employee perks and benefits, including healthcare benefits (medical, dental and vision, EAP), competitive PTO, 401k match, parental leave, and HSA contribution match. We also provide our employees with a paid subscription to the Calm app and offer generous external learning and tuition reimbursement benefits. At AFS, we offer a hybrid work schedule for most roles that allows employees to have the flexibility of working from home and one of our primary offices.
EEO Statement
Apex Fintech Solutions is an equal opportunity employer that does not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, marital status, or any other protected characteristic. Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics.
Disability Statement