Software Engineer II

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 Position: Software Engineer II Location:141 W. Jackson Blvd., Ste. 500, Chicago IL 60604 Responsibilities:Work closely with the Architecture team to build backbone services that form the foundation of the Apex platform. Design and implement the next generation of our GCP cloud-native, event-driven (Apache Kafka) microservice architecture. Provide technical thought leadership and deliver high-quality system designs for our high-volume, high-availability trade clearing platform. Design, develop, test, deploy, and maintain foundational services and SDKs leveraged by product development teams. Apply best practices and coding standards guided by our Senior Engineers. Build resilient, self-scaling, and self-healing services that ensure reliability and peace of mind. Support the production systems you create, including build, deployment (CI/CD), and monitoring (Grafana, Prometheus, PagerDuty). Write clean, well-tested code and uphold high code-quality standards through thorough code reviews. Educ./experience: Master's degree or foreign equivalent in Computer Science or related field, plus two (2) years of post-baccalaureate experience as a Software Engineer or in a related position in a financial technology company. Experience must include: Distributed systems, microservices, Kubernetes ops, Kafka, gRPC, workflow orchestration, Go, ArgoCD. To apply, please email your resume to: aernst@peak6.com . Salary range: $108,077 - $121,000/year Benefits:Medical/Dental/Vision Insurance, PTO, 401K #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. Disability Statement Apex Fintech Solutions is committed to creating an inclusive and accessible workplace for all candidates, including those with disabilities. We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities. If you require reasonable accommodations to participate in the application or interview process, please submit your request via the Candidate Accommodation Requests Form. We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process. At Apex, we aim to enable frictionless investing for everyone. Help us in our mission to democratize finance, and apply to our open roles today. Introduce yourself to our recruiters and we'll get in touch if there's a role that seems like a good match. At Apex, we stand for efficiency and transparency. In every office, you'll find passionate, committed, dedicated teams driven to find smart solutions to solve our clients' toughest challenges. We are passionate about our employees, providing the benefits and perks that elevate you, reward you, and help you give back. We provide great flexibility, a collaborative, open work space, and real potential to grow with the firm.