Senior Software Engineer

Callibrity is based in Cincinnati, Ohio. This role is remote-based but must operate within U.S. Eastern or Central Time working hours. We will not consider non-U.S.-based candidates.

Who We Are

Callibrity is a developer-owned and managed custom software consulting company dedicated to creating high-quality software using modern technologies — and delivering unquestionable business value to Fortune-level and mid-market clients across numerous industries.

We're problem solvers. Builders. People who enjoy a challenge and thrive working with modern tech stacks. We offer an incredibly collaborative culture and genuinely enjoy working side-by-side with our clients to solve complex problems.

About the Role

As a Senior Software Developer, you are a leader by example, a subject-matter expert, and someone who influences strategic technical direction. You'll work closely with key client stakeholders and use your experience to prove real business ROI through innovative, modern, and scalable technology solutions.

Callibrity developers have longer-than-average tenures because the work is meaningful, the challenges are real, the engineering culture is strong, and we invest heavily in our people.

Callibrity Software Developers:

• Solve a wide range of technical problems by choosing the right language, framework, and tool for the job

• Work directly with client stakeholders to accomplish shared goals and deliver clean, maintainable software

• Communicate complex ideas clearly — both verbally and in writing

• Proactively identify opportunities, issues, and challenges, and recommend actionable solutions

• Demonstrate mastery of software development best practices (Agile, DevOps, Test Automation, CI/CD, TDD)

• Stay ahead of the curve by exploring emerging technologies including AI, Machine Learning, Cloud, and IoT

• Thrive in environments with close collaboration among cross-functional teams

• Earn client trust by consistently delivering value, regardless of title or seniority

Basic Qualifications:

• 6+ years of experience with web application development and/or SaaS platforms

• Extensive senior-level development experience with object-oriented languages (e.g., Java, C#, Python)

• Proven experience leading the technical delivery of complex and innovative business functionality

• Strong understanding of software engineering principles such as design patterns, algorithms, and data structures, and demonstrable application of each in recent projects

• A strong communicator and collaborative team player

• A proactive owner who takes accountability for code from development through production

• Solid understanding of test automation principles and a strong advocate for code quality

• Strong knowledge of performance engineering and performance testing

Other Qualifications:

• Experience with integration technologies (RESTful APIs, messaging systems, etc.)

• Exposure to modern UI frameworks, especially React

• Experience contributing to highly configurable, metadata-driven platforms

Preferred General Qualifications (from Callibrity Template):

• Relevant professional experience in Information Technology and/or Consulting

• Prior experience working in high-growth tech companies or startups

• Understanding of Scrum, unit testing, CI/CD, and DevOps

• Knowledge of microservices and RESTful API architectures

• Experience with relational databases

• Four-year degree, reputable bootcamp completion, or substantial mentorship/apprenticeship experience

• Successfully complete Callibrity's CoderPad and Pair Programming challenges

• Strong professionalism, accountability, and a passion for learning

• Embodies Callibrity's Core Values

• Must be authorized to work in the United States without sponsorship

Benefits of Being a Callibrity Consultant:

• Health/vision/dental insurance effective day 1

• 401(k) match vested immediately

• Annual training & conference stipend

• Paid parental leave

• Paid bench time

• Paid flex time for training, blogging, speaking engagements, and thought leadership

• PTO for vacations, holidays, and sick days

• Competitive industry salary

• Weekly lunch & learns

• Regular team-building events

• A small-company feel with the stability of a proven business

• High employee retention and satisfaction — consistently one of Cincinnati's Best Places to Work

• Real work-life balance

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