About Us

Clear Function started with a simple mission: to help businesses get payments and tech to work for them, not against them. Our founders—fintech pros and software wizards—got together after seeing too many companies wrestling with clunky, one-size-fits-all systems.

So, we set out to change that. Why? Because we believe every business deserves tools that grow with them, simplify their lives, and let them focus on what they do best.

Plus, let’s be honest—we love solving tricky problems and making complex things feel like a breeze. That’s what gets us up in the morning and keeps us pushing for better solutions every day.

Welcome to Clear Function! We are a digital agency that offers full-stack software development, specializing in fintech and custom payment processing solutions. We work with emerging and enterprise businesses to build strategies and custom financial platforms, as well as SaaS platforms, data warehousing solutions, and mobile apps.

We are passionate about building and delivering meaningful solutions for our clients because we enjoy solving complex problems to help you realize your vision.

Humble Beginnings
Clear Function was founded by Colin Neller in 2015. The original cast had only three engineering all-stars — Colin, Mo, and Brian. And they all fit into this tiny office! (Please excuse our mess.)
Humble Beginnings
Clear Function was founded by Colin Neller in 2015. The original cast had only three engineering all-stars — Colin, Mo, and Brian. And they all fit into this tiny office! (Please excuse our mess.)

Our Culture & Core Values

Collaboration

We work well together and with our clients. We always assume positive intent and we value feedback because we believe that we are better as a team than as individuals.

Ownership

We own the results of our work. We don’t focus on blaming; we focus on improving.

Development

We’re always learning, growing and improving. We constantly evolve our processes, skills, and ourselves to produce better experiences and results for our clients.

Empathy

We constantly put ourselves in our clients and teammates shoes. We speak to them how they would like to be addressed, and we have hard conversations because results matter.

Looking for work? We're hiring!

If you enjoy solving complex problems, this is the place for you. Visit our careers page.

ACCOMPLISHMENTS + ACCOLADES

OUR TEAM

Leadership

We lead by example.

Colin Neller
CEO & Founder

Software engineer turned entrepreneur and IPA enthusiast.

Bill Ganus
Director of Business Development

An entrepreneur with a background in organic chemistry.

John Thomas
Director of Operations

A master business orchestrator and musician.

Rakesh Maskara
Director of Engineering

18+ years of experience leading software teams.

Stephen Overholser
Director of Client Experience

Keeping our clients happy and projects moving forward since 2015.

Brian Lankford
Senior Software Engineer

25+ years of engineering & paytech experience.

David "Mo" Mohundro
Senior Software Engineer

20+ years of software engineering & paytech experience.

Step 1: Discovery

Free Consultation

We begin every project with a discovery call where we delve deep into your current systems, objectives, requirements, and ongoing support needs.

An illustration representing research and discovery.
Step 2: Plan

Scoping & Project Roadmap

Next, we'll move onto to scoping before creating a thorough project roadmap to ensure we're on the same page regarding expectations, milestones, and goals.

An illustration representing project planning and roadmap.
Step 3: Building

The Fun Part

This stage is where the magic happens! With UX and architectural designs in place, our developers meticulously work to translate the design into functional code, ensuring that every detail aligns with the plan.

An illustration representing software development.
Step 4: Test

Quality, Guaranteed

Our dedicated QA team collaborates with the engineers to complete thorough testing during the build process. Testing ensures that the solution meets your requirements and our high quality and security standards.

An illustration representing software testing.
Step 5: Deploy

Time to Launch!

Our carefully coordinated release process ensures a smooth, worry-free rollout of your software or application. At this stage your team will receive comprehensive software documentation to facilitate the management of your systems moving forward.

But we don't stop there. We offer guidance, coaching, and team building sessions to help you bring your processes in-house, mitigating future costs and ensuring your team's autonomy.

An illustration representing a product launch.
Step 6: Iterate

Constant Improvement

We will be here to lend a hand if you require additional support beyond the initial deployment. Together, we'll work to identify measurable iterations, including addressing bug fixes, implementing software updates, and exploring software enhancements.

An illustration representing ongoing system evaluation and iterative improvements of software.
TECHNOLOGIES

Our Core Tech Stack

C#
Python
React
React Native
Vue.js
Typescript
Angular
Node Js
.Net
Rust
Microsoft Azure
Google Cloud
React Native
Swift
Kotlin
Java
SQL Server
Azure SQL
PostgresSQL
MySQL
MongoDB
Agile
Continuous Delivery
Continuous Integration
DevOps
Humble Beginnings
Clear Function was founded by Colin Neller in 2015. The original cast had only three engineering all-stars — Colin, Mo, and Brian. And they all fit into this tiny office! (Please excuse our mess.)
Office & Team Upgrades
Our team quickly grew to six members thanks to a large project, spanning eight months. We also needed a product manager, so Stephen (now the Director of CX) joined us to drive us forward. Pretty soon, we needed a bigger office, so we jumped at the chance to move into the larger space next door to our first office. And we stayed there for the next nine years! More on that later...
The Good Times (Pre-Covid)
Our team, and client list, continued to grow and evolve over the next three years after the move. We got the chance to do a lot of fun team bonding activities, like the time we "escaped" holiday party traditions together.
2020...The Dark Ages
Somehow we still managed to have fun and we transitioned from a hybrid workplace to fully-remote team!
The Much Better Times
By 2022, we were gathering IRL again. We added several new team members including Gerrin (Business Analyst), Tylon (Project Manager), and Kaden (Software Engineer). We went on our first ever team roadtrip to Knoxville, TN, to attend Codestock with (most of) the team!
Our New HQ
We purchased and bought a building to house the Clear Function team and give us more room to grow! We started by renovating the first floor to suit our needs — and it took way longer than we thought it would. Finally in April of 2024, after four months of construction, we moved into our new space! What do you think of our new digs?