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

At Apex Fintech Solutions, we're transforming the future of digital wealth management by seamlessly connecting financial platforms and simplifying access to financial markets for millions.

As a Sr Software Engineer, you will be working alongside experienced software engineers, product managers, and data engineers to design, build, deploy, and maintain services and systems at the core of our cloud native Data Platform and APIs. We build and own services spanning across, APIs & data access, data processing services, tooling & infrastructure for storage & access, machine learning & predictive APIs, and engineering for data analytics. This role offers an opportunity to build cloud services across many of these domains, or specialize as an SME as you establish yourself within Apex. The ideal candidate is one that integrates well within a team and strives for collaborative, modern cloud engineering and team practices, acting as a multiplier for the team day to day.

Duties/Responsibilities

Develop, test, and maintain microservice service architectures, pipelines, data stores, and other cloud systems for the Apex data layer and APIs.
Collaborate and solve complex engineering problems, and solve them for scale with the autonomy to drive technical directions and decisions.
Collaborate with engineers, product managers, clients, and other stakeholders to understand client & business problems and requirements and work towards solutions.
Create, and own scalable cloud services and pipelines for our various data-driven service domains.
Manage, optimize, and improve existing cloud data platform solutions for performance, availability, scaling etc.
Write self-documenting and well-tested code with an emphasis on sustainable devSecOps practices.
Work as a part of a productive development team that puts an emphasis on code quality, peer reviews, documentation and strong modern engineering practices.

Education And/or Experience

Bachelor's degree in Computer Science, Computer Engineering, or related technical field or equivalent work experience
Experience in software development in at least one or more of the following languages: Java, Python, Go, etc.
2+ years of experience in cloud engineering, particularly around; microservices, scalability and best practices, build and implementation, data technologies and services.
3+ years of experience in infrastructure, modern IaC (e.g. Terraform), cloud service deployment and management, and modern CI/CD
Experience working with modern database systems (e.g. Bigquery, Postgres, AlloyDb, Redis, etc)
Strong background and proven experience developing, testing, and maintaining REST APIs.
A problem-solving mindset, with the ability to think critically through challenging engineering scenarios.  
Experience in the financial industry preferred

Required Skills/Abilities

Ability to interpret technical design documents to build solutions.
Strong communication skills and the ability to communicate well at all levels to varied stakeholders.
Strong proficiency in relevant programming language(s) for building and deploying cloud (micro)services
A desire to strive for modern collaborative engineering practices and standards, a DevSecOps mindset, and a desire to push good practice within your team and at a wider level to deliver value.
Adaptability to learn new technologies/systems/languages as needed day to day.
Understanding of event driven, real-time data pipelines, data replication, data streaming.

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 a market-leading salary with an annual bonus, 20 days of vacation leave plus regular and special non-working holidays, and a training and development budget. Our benefits also cover private health insurance for medical and dental, as well as life insurance. We emphasize work-life balance with flexible working hours, parental leave, a modern city center office, and a hybrid work schedule that allows for greater flexibility by partially working from home. Additional perks include monthly team lunch-outs, unlimited drinks and snacks, and company recognition & rewards.

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

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.

Sr Software Engineer