Software Engineer Optum Jobs in Dallas, TX (NOW HIRING)

Shape the payment experience behind every pharmacy transaction!

At Liberty Software, we proudly partner with client pharmacies across the country, helping them support their patients with powerful, user-friendly software. We're excited to grow our team by hiring a Payment Integration Developer to own and advance Liberty's credit card processing, payment terminal, and benefit card integrations. In this role you will work cross-functionally with the Product, QA, and Architecture teams to deliver reliable, PCI-compliant payment experiences for thousands of pharmacy point-of-sale environments.

Please note:

• This role is based in our Southlake, TX office
• Liberty Software does not offer employment sponsorship opportunities for this role (e.g., H-1B, OPT, or other work visa status)

What You'll Do:

• Build and maintain integrations with payment processors including triPOS/Worldpay and emerging payment gateways
• Develop and support OTC medical benefit card integrations (NationsBenefits, OTC Network, Solutran, Soda Health)
• Implement card tokenization, consent management, and stored credential workflows (MIT/CIT classification)
• Ensure ongoing compliance with card brand requirements (Mastercard, Visa) including surcharge rules, merchant data mandates, and L2/L3 data standards
• Troubleshoot and resolve payment processing issues across production pharmacy environments
• Collaborate with Product and QA to define acceptance criteria and validate payment workflows
• Document integration specifications, API contracts, and compliance requirements
• Monitor payment industry changes and proactively recommend updates to maintain compliance

Qualifications:

• 3+ years of software development experience with a focus on payment or financial integrations
• Bachelor's degree in Computer Science, Software Engineering, or equivalent experience
• Hands-on experience integrating with payment gateway APIs (e.g., Worldpay/triPOS, Stripe, Square, Adyen, or similar)
• Strong understanding of PCI-DSS compliance requirements
• Proficiency in C# / .NET (Liberty's primary stack)
• Experience with RESTful API design and consumption
• Experience with semi-integrated payment solutions (triPOS specifically) preferred
• Familiarity with healthcare or pharmacy payment workflows (copays, HSA/FSA cards, OTC benefit cards) a plus
• Knowledge of card tokenization standards and stored credential frameworks beneficial
• Experience with SQL Server and relational database design preferred
• Exposure to Mastercard/Visa compliance programs and certification processes a plus
• Prior work in a small-to-mid-size software company desirable

Benefits Starting Day One:

• 100% employer-paid medical and life insurance for employees, with optional dental and vision coverage at no cost
• Family coverage available with Liberty contributing 50% of the premium
• Fully vested 401(k) with employer match
• Employer contributions to Health Savings Accounts (HSA)
• Generous paid time off and paid holidays
• Tuition reimbursement and continuing education support
• Adoption expense reimbursement
• Dependent Care Flexible Spending Account (FSA) for tax savings on childcare
• Confidential counseling resources for mental health, financial planning, and more, via Optum EAP
• Fully stocked breakroom

Take the lead on next-generation pharmacy payment solutions and APPLY TODAY!

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