Software Engineer, Payments and Tax integration

Chattanooga, TN

Full-time

Onsite

$60K/yr - $123K/yr

Entry, Mid Level

Unum is a leading employee benefits provider focused on digital transformation and innovative technology solutions. The role involves developing backend services and APIs for payment-related systems, ensuring accurate payment workflows, and contributing to both new development and enhancements of existing applications.

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Responsibilities

Develop backend services, APIs, middleware, and integrations across multiple payment-related systems
Contribute to both net‑new development and enhancements of existing applications, including legacy components
Participate in code reviews, design discussions, and collaborative solution-building
Assist with production support, using these opportunities to gain architectural insight and strengthen troubleshooting skills
Participate in limited on-call rotations during holidays or release windows
Ensure systems and payment flows remain accurate, resilient, and compliant with audit and tax reporting requirements
Engage in peer mentorship, cross-team collaboration, and AWS learning programs
Work effectively within a broader technical and business ecosystem, understanding how each component contributes to customer outcomes
Embrace a mindset of lifelong learning—adapting to new technologies while also diving into mature or legacy systems as needed
Develop a working understanding of the insurance domain, recognized as a steep learning curve
Communicate clearly and confidently during stakeholder meetings when called upon
Approach solution design with a holistic, customer-impact‑focused perspective
Demonstrate patience, empathy, and curiosity when navigating complex business systems
Listen actively, remain open to being wrong, and contribute constructively to team discussions
Bring energy to continuous improvement, treating most work as an evolving draft that gets better through iteration

Qualification

Required

Strong grounding in computer science and software development principles; role is not suitable for candidates starting from zero
Experience delivering projects in any modern programming language (language‑agnostic environment)
Demonstrated ability to learn quickly, work collaboratively, and contribute to team-based development
Exposure to both legacy systems and modern cloud technologies
Databases: Mix of SQL (RDS) and NoSQL (DynamoDB)
Architecture: Primarily backend development, APIs, middleware, multi‑system integration
Cloud: AWS with integrations into on‑prem systems
CI/CD: GitHub (evolving with broader DTO tooling)
Testing: Postman, Playwright, Qyrus

Preferred

Familiarity with insurance, claims, or financial systems helpful but not required

Benefits

Healthcare benefits (health, vision, dental)
Insurance benefits (short & long-term disability)
Performance-based incentive plans
Paid time off
401(k) retirement plan with an employer match up to 5% and an additional 4.5% contribution whether you contribute to the plan or not

Since our founding in 1848, Unum has been a leader in the employee benefits business through innovation, integrity and an unwavering commitment to our customers.

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