Full Stack Developer

The Office
Concord, NH, United States
10 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
7 years minimum
Compensation
$120,000.0 - $150,000.0
Working hours
Regular working hours

Tech stack

Java (Programming Language) Application Programming Interfaces (APIs) Agile Methodology Artificial Intelligence Amazon Web Services User Authentication Automation of Tests Software as a Service Cloud Computing Code Review Databases Continuous Delivery
+49 more
Continuous Integration Relational Databases Database Design Software Debugging DevOps Programming Tools Electronic Data Interchange (EDI) UN Electronic Data Interchange for Administration Commerce and Transport Payment Systems Github Design of User Interfaces Human-Computer Interaction PostgreSQL Enterprise Messaging Systems Microsoft SQL Server OAuth Oracle Databases Oracle (Applications) Payment Gateway PCI Data Security Standards Performance Tuning Systems Development Life Cycle RabbitMQ Standard Sql Secure Coding Single Sign-On Software Engineering SQL Databases Software Testing Automation Framework Systems Integration Software Technical Review Enterprise Software Applications GitHub Copilot ReactJS System Availability Database Optimization Spring-boot Software Security Backend Git Containerization Kubernetes Information Technology Apache Kafka Front End Software Development Restful APIs Code Restructuring Docker Web Api

Job description

We are seeking an experienced Senior Full Stack Developer to help build ProPay2.0, our next-generation payment platform and financial infrastructure. In this role, you will design, develop, and support highly scalable, secure payment solutions that process ACH, virtual card, check, and other digital payment transactions while contributing to the architecture and evolution of our payment platform., * Design, develop, and maintain scalable full-stack applications for enterprise payment processing

  • Build scalable front-end applications using React and modern UI frameworks
  • Develop secure, high-performance backend services and RESTful APIs
  • Use AI-assisted development tools (Claude Code, Copilot, etc.) to accelerate coding, refactoring, and debugging
  • Design and optimize relational database schemas and SQL queries
  • Integrate with external payment providers, banking partners, and third-party APIs
  • Ensure applications meet security, compliance, and performance requirements
  • Participate in architecture discussions and technical design reviews
  • Participate in code reviews and uphold engineering best practices across the team
  • Identify opportunities to improve system design, performance, and developer productivity
  • Troubleshoot production issues and identify root causes
  • Write automated unit, integration, and end-to-end tests
  • Collaborate closely with Product, QA, DevOps, and Operations teams throughout the software development lifecycle

Requirements

  • Bachelor’s degree in Computer Science or related field, or equivalent experience
  • 7+ years of full-stack development experience
  • Strong experience with Java and Spring Boot
  • Strong Experience designing and consuming RESTful APIs
  • Strong knowledge of SQL and relational databases such as PostgreSQL, Oracle, or SQL Server
  • Experience with React and modern front-end frameworks
  • Experience with Git and modern CI/CD pipelines
  • Experience building cloud-based applications (AWS preferred)
  • Experience working on payment processing, fintech, banking, healthcare payments, or financial services platforms
  • Experience with ACH, EFT, virtual cards, checks, or digital payment processing
  • Excellent analytical and problem-solving skills
  • Strong communication and collaboration skills
  • Strong understanding of Agile development methodologies

Nice to Have

  • Familiarity with payment standards and financial transaction workflows
  • Experience integrating with third-party APIs and secure payment gateways
  • Knowledge of OAuth2, JWT, SSO, and modern authentication frameworks
  • Familiarity with AI-assisted development tools (Claude Code, GitHub Copilot, etc.)
  • Experience with Docker, Kubernetes, and containerized deployments
  • Familiarity with messaging platforms such as Kafka or RabbitMQ
  • Experience with performance tuning, observability, and production monitoring
  • Knowledge of secure coding practices and regulatory requirements
  • Experience with payment reconciliation and settlement system
  • Experience with PCI DSS or other financial compliance standards
  • Knowledge of healthcare payment workflows and EDI transactions
  • Experience with test automation frameworks
  • Experience supporting mission-critical, high-availability systems

Pay Transparency, Agile Programming Methodologies, Alliance/Partner Marketing, Amazon Web Services (AWS), Analysis Skills, Apache Kafka, Application Programming Interface (API), Applications Security, Artificial Intelligence (AI), Authentication, Banking Services, Best Practices, Claims Management, Claims Processing, Cloud Applications, Cloud Computing, Code Reviews, Communication Skills, Computer Science, Continuous Deployment/Delivery, Continuous Integration, Database Design, Database Optimization, Database Technology, Debugging Skills, DevOps, Disbursements, Docker, Ecosystems, Electronic Data Interchange (EDI), Enterprise Applications, Financial Compliance, Financial Services, Financial Transactions, Git, GitHub, Government, Healthcare, Healthcare Administration, Healthcare Providers, High Availability, Identify Issues, Insurance, Insurance Claims, Java, Microsoft SQL Server, OAuth, Oracle Database, PCI-DSS, Patient Care, Payment Processing, Performance Tuning/Optimization, PostgreSQL, Problem Solving Skills, Production Control, Programming Tools, Quality Assurance, REST (Representational State Transfer), RabbitMQ, React.js, Reconciliation, Refactoring, Regulatory Compliance, Regulatory Requirements, Relational Databases (RDBMS), Revenue Management, Root Cause Analysis, SQL (Structured Query Language), SQL Databases, Scalable System Development, Secure Coding, Service Delivery, Single Sign-On (SSO), Software Development Lifecycle (SDLC), Team Player, Technical/Engineering Design, Test Automation, User Interface/Experience (UI/UX)

Benefits & conditions

Office Ally is committed to fair and equitable compensation practices in alignment with pay transparency laws. Compensation for this position may vary based on individual skills, experience, and location. In addition to base pay, employees may be eligible for performance-based bonuses and a comprehensive benefits package, including medical, dental, and vision coverage, 401(k) with company match, paid time off, and other benefits. Actual compensation will be determined considering the candidate’s qualifications, relevant experience, and internal equity. Office Ally Pay Transparency $120,000-$150,000 USD

Why You’ll Love Working at Office Ally

At Office Ally, your work has a direct impact on healthcare providers and their ability to deliver exceptional care. We’re driven by a mission to simplify healthcare administration, making it easier for providers to focus on what they do best-helping patients. As an Office Ally employee, you’ll be at the heart of our efforts to deliver exceptional service and software solutions to our clients in the healthcare space.

EEO Note

Office Ally is an Equal Opportunity Employer and does not discriminate against any employee or applicant on the basis of age, color, disability, gender, national origin, race, religion, sexual orientation, veteran status, or any classification protected by federal, state, or local law.

About the company

At Office Ally, we’ve been revolutionizing healthcare administration since our inception. What started as a clearinghouse focused on simplifying insurance claims processing for healthcare providers has grown into a full-suite healthcare technology company. We offer a range of affordable, cloud-based revenue cycle management solutions -from eligibility verification and claims management to revenue recovery and payment processing -that help healthcare organizations of all sizes streamline operations and reduce administrative burdens so they can focus on what matters most: patient care.

In April 2026, Office Ally acquired Jopari Solutions, Inc, a leader in straight-through electronic claims processing for Property & Casualty (P&C), Commercial, and Government healthcare. Jopari brings deep industry expertise and innovative enterprise payment solutions that are transforming how disbursements are handled across the insurance ecosystem. Together, we are expanding our capabilities across the full healthcare transaction lifecycle, connecting claims, payments, and data exchange to deliver a more seamless and efficient experience for providers, payers, and partners.

At the core of our company are four key values that guide our mission and work:

  • Ownership: We take pride in our responsibilities, driving results and taking accountability for the success of our projects.
  • Empowerment: We believe in giving our team the autonomy and support to make decisions that lead to innovative solutions.
  • Innovation: We continuously seek new and better ways to improve healthcare administration, embracing creativity and forward-thinking technology.
  • Transparent Communication: Open, honest communication is at the heart of our collaborations, internally and with our clients, ensuring alignment and trust.

Apply for this position

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Apply on www.careerbuilder.com

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