Software Engineer III (Senior)

Job description

We are seeking a Senior Software Engineer to design and deliver complex, multi-component features and systems. This role is ideal for an experienced engineer who can make thoughtful trade-offs between speed, scalability, and cost while building systems that hold up under real-world conditions. You will design with testing, observability, and failure modes in mind, collaborating with Product and QA to shape solutions before build begins.

Company Overview

At VersiTech, we go beyond the traditional boundaries of a tech company to provide payment and point-of-sale technologies that help businesses increase their profitability, run efficiently, and grow with confidence. We are innovators at heart, problem-solvers in action, and growth partners in spirit. In every solution we create and every service we offer, our ethos is clear: technology should be advanced, accessible, and easy to use. We have a passion for delivering technology-focused products and services that are built on speed, affordability, and reliability so that every business we serve enjoys a consistent experience with a trusted ally. Our two product lines, BOLD Integrated Payments and Tonic POS Software can be deployed together for a unified end-to-end experience or used independently for maximum flexibility.

Listening first, building lasting relationships, and delivering measurable outcomes for our partners and merchants are central to how we operate as an organization.

Who We Are

We operate under a rapidly growing and widely accepted business philosophy called “EOS” (Entrepreneurial Operating System). In learning to utilize EOS, you will have the ability to drive growth and be an empowered decision maker, something that you can’t get in large, slow-moving organizations.

As we grow, we are intentional about protecting our small-company spirit: staying agile, taking ownership, and maintaining strong relationships. We strive to live our values every day and in every way. We believe culture is built through the habits we practice: Value + Habit = Culture, and we are looking for others who feel the same way:

We are ALL IN: We are committing wholeheartedly to a clear vision. Mission first and team always by: following through, owning outcomes, and finishing what we start for the success of ALL involved: our employees, our partners, our vendors, our communities, and our customers

We DARE TO BE DIFFERENT: We embrace our entrepreneurial DNA and small-company spirit as we scale, taking responsibility as first movers, simplifying the complex, and maintaining a culture of fun and approachability while prioritizing our partners and team members first

We are HUMAN: We are grounded in accountability and genuineness, we build strong relationships by listening to understand, communicating clearly, speaking truth with care, and respecting different perspectives with grace as we grow

How will you make an impact in this role?

As a Senior Software Engineer, you will be a technical leader on your team, mentoring other engineers and raising the bar for code quality and system design. You understand how to build systems that perform reliably under real usage and can anticipate problems before they occur. Product, QA, and fellow engineers will look to you for technical guidance and to help clarify complex problems before expensive mistakes are made.

Engineering is your functional home: it owns craft standards, architecture, tooling, the review bar, hiring, and performance reviews. Your pod owns your day-to-day work: sprint priorities, scope, dates, and assignment. You will be assigned to one pod and work in it full time. Which pods exist, how assignment and transfers work, and which functions serve across pods are set out in the Operating Model Reference appended to this description.

You will report to SVP of Technology, Edie Woelfle.

What will you be doing on a day-to-day basis?

System Design & Architecture

Design and deliver multi-component features or services that solve complex business problems

Make informed trade-offs between speed, scalability, cost, and maintainability based on business context

Build systems with testing, observability, monitoring, and failure modes designed in from the start

Anticipate edge cases, performance bottlenecks, and operational challenges before they become production issues

Contribute to architectural decisions and technical direction for the product

Technical Leadership & Mentorship

Mentor junior and mid-level engineers through code reviews, pairing sessions, and design discussions

Set the standard for code quality, testing practices, and engineering excellence

Share knowledge and build documentation that helps the team level up

Lead by example in writing maintainable, well-tested, production-grade code

Help others grow their technical skills and understanding of system design

Cross-Functional Collaboration

Collaborate with Product and QA early in the development process to shape solutions before build

Ask clarifying questions that prevent late-stage surprises and requirement changes

Provide technical input on feasibility, complexity, and risk during planning

Surface dependencies that reach beyond your own team early enough to be managed

Communicate complex technical concepts clearly to non-technical audiences

Delivery Excellence

Deliver high-quality systems that require minimal rework or post-launch fixes

Build features that are maintainable, testable, and well-documented

Ensure your systems perform reliably under real-world usage and scale

Reduce technical debt through thoughtful design and pragmatic refactoring

Drive continuous improvement in team processes, tools, and practices

You know you are successful when:

Product changes direction less often because you clarified upfront

QA finds fewer late-stage or surprise issues

Other engineers seek your input before building

Your systems perform reliably under real usage

Top Candidates will demonstrate the following:

Minimum Qualifications

5+ years of professional software development experience

Proven ability to design and deliver complex, multi-component systems that perform reliably in production

Deep technical expertise in backend development with a modern server-side framework

Strong understanding of distributed systems, databases, caching, and performance optimization

Experience making architectural trade-offs between scalability, speed, cost, and maintainability

Demonstrated ability to mentor and develop other engineers

Track record of collaborating with Product and QA to shape solutions early in the process

Excellent communication skills with ability to explain complex technical concepts clearly

Experience building systems with proper testing, observability, and failure handling

Based in the Sandy Springs area or willing to relocate, and able to work on site on a regular schedule

Preferred Qualifications

Deep hands-on experience building and operating production backend services at scale

Experience with modern frontend frameworks

Familiarity with cloud architecture patterns and managed services

Experience with distributed caching and performance tuning

Understanding of CI/CD practices and DevOps principles

Experience working in environments with technical debt and legacy systems

Track record of reducing operational incidents through thoughtful system design

Contributions to open source or technical writing/speaking

The stack varies by pod. You will be told which pod you are being hired into during the hiring process.

This is a full time hybrid role based in Sandy Springs.

We stand behind our colleagues and loved ones with benefits and programs that support one another’s holistic well-being. That means we prioritize physical, financial, and mental health through each stage of life. VersiTech benefits include:

Competitive base salaries

Unlimited, flexible vacation policy (with manager approval), plus 7 major holidays

Fully covered Employee-only coverage for medical, dental, and vision insurance; partial contribution for Employee+others coverage

401(k) program with available company match

Robust supplemental insurance offerings - life insurance, disability benefit, & even discounts on pet insurance!

Flexible Spending Account (FSA) and Health Savings Account (HSA) availability

Marketplace Care Teams to provide emotional and spiritual support for our employees

Employee Assistance Program, Caregiver Support Program, & an Adoption Assistance Program

Career development and training opportunities

If you are the kind of person who serves with a people-first mentality, leans into a vision that people can get behind, and enjoys being a part of a fast-growing organization, we want to talk with you!

VersiTech, LLC is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law.

Employment eligibility in the U.S. is required, as VersiTech, LLC will not pursue visa sponsorship for this position.

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Who can apply

Review the original listing for work authorization, qualifications and employer requirements.