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Full Stack Software Engineer III

Avant • Full-time • Greater Chicago Area, US • $100k - $140k / year • 1m ago

Avant is looking for a Software Engineer III to build and scale critical systems that power our products and deliver real value to our customers. This is a mid-senior level role for engineers who are confident tackling complex problems, making thoughtful implementation decisions, and driving features to completion with autonomy. You’ll work across the stack and collaborate closely with product, design, and engineering peers to ship high-quality software in a fast-moving environment. This role is ideal for someone with several years of experience who’s ready to step up and take on more ownership, while still honing their technical depth and leadership skills.

What you’ll do at Avant:

Lead the design and development of medium to large features across the full stack, backend services, APIs, and web UIs.
Own delivery of features end-to-end, including architecture, testing, deployment, and monitoring.
Make key technical implementation decisions focusing on quality, maintainability, and performance.
Navigate and contribute across multiple layers of the tech stack to solve complex, cross-cutting problems.
Propose improvements to code quality, development practices, and system architecture.
Collaborate regularly with product managers, designers, and engineers to clarify requirements and align solutions.
Contribute to Agile ceremonies as a core member of a Scrum team, including backlog refinement, sprint planning, and retrospectives.
Provide mentorship to engineers through brown bags, code reviews, pairing, and knowledge sharing.
Work independently with limited oversight, you’re given the “what” and trusted to own the “how”.

Why you’re a fit at Avant:

3–7 years of professional software engineering experience, ideally in a full-stack or backend-focused role.
Proficiency in one or more object-oriented languages (Ruby, Python, etc.) and familiarity with modern frontend frameworks (React preferred).
Strong understanding of web application architecture, API design, and database systems.
Experience working in Agile teams and collaborating with cross-functional partners.
With a pragmatic mindset, you balance technical craft with delivering business value.
Excellent communication skills and a willingness to mentor others and share knowledge.
A growth-oriented attitude. You seek feedback, adapt quickly, and look for ways to raise the bar.

Why Avant’s at fit for you:

At Avant, you'll join a mission-driven team using technology to improve financial access. We value transparency, ownership, and continuous improvement and support engineers who want to grow their careers while solving meaningful problems..

This role is based on our downtown Chicago Office, located in the Merchandise Mart. We highly value collaboration and our hybrid schedule (M, T, Th in-office) enables flexibility to balance work and individual priorities.

Compensation Range:

The base salary range for this job is USD $100,000 - USD $140,000 / Year

Employees new to Avant typically come in below the midpoint of the pay range. The compensation range is based on the level outlined in the job posting, and compensation decisions are dependent on each applicant's experience, skills and abilities.

[If an outstanding applicant's experience and skill level is above or below the qualifications outlined in the job posting, we reserve the right to make an offer at a different level than the one listed in this job posting, which may have a different compensation range.]

This role is eligible for additional incentives, including an annual bonus. These rewards are allocated based on level, impact and performance in the role.

Our benefits include:

Choice of great Medical, Dental, and Vision Insurance Plan options
401(k) match
Flexible Time Off
Flexible Work Environment - (i.e. Mon/Tues/Thurs in-person)
Generous Paid Parental Leave, Adoption Assistance and Post-parental leave ramp-up program
Lunch Allowance (Fooda) and In-office Snacks
Summer Fridays
Fun In-Office and Virtual Social Events
And who doesn’t love the swag

Check out our Avant Blog!

We believe that a diverse set of backgrounds and experiences helps us create the most innovative solutions for our customers. We invite you to apply to our positions even if you do not meet 100% of the qualifications listed in the description. If you’re passionate about our mission and aligned to our values, we hope you’ll come contribute to our awesome culture.

Why Avant is the place for you:

At Avant, we believe our values make a difference:

Authenticity. We show up to work as our whole selves and make sure others can too.

Collaboration. We can only succeed when we do so as a team.

Problem-Solving. The harder the problem, the more satisfying the solution.

Customer. We are all owners of the customer experience.

Initiative. Plan. Adapt. Get Sh!t Done.

We believe that great ideas come from anyone and anywhere, that everyone is an owner who drives change, and that we have more fun when we work together. We're problem solvers who love collaborating with intelligent and highly-motivated people to reshape the face of digital banking. Avant offers terrific perks and benefits, fun social events with employees who actually like hanging out together, and a flexible growth environment where trying your hand at new projects and being the active owner of your career path is encouraged and supported.