Senior Full Stack Engineer (Core Engine)

Job DescriptionJob DescriptionAbout UsAt 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.About the RoleThis is an opportunity to join a growing company transforming healthcare technology through modern electronic billing, payments, and secure data exchange solutions across the Property & Casualty and Healthcare industries. As a Senior Full Stack Development Engineer, you will play a key role in designing, building, and maintaining scalable applications and APIs that power mission-critical healthcare and insurance workflows. This role focuses on backend architecture, service development, data processing, and system integration, ensuring high performance, reliability, and maintainability across platforms. You will work across multiple initiatives, partnering with product, engineering, and implementation teams to deliver robust backend capabilities that support complex transaction processing and customer integrations. You will also leverage modern engineering practices, including AI-assisted development tools (Claude Code, GitHub Copilot) to improve development speed and efficiency, and apply modern testing approaches such as automated API and workflow validation (e.g., Playwright, where applicable) to ensure system reliability.This role is central to building andmaintainingthe backend systems that powerourcore products and integrations. You will directlyimpactsystem scalability, reliability, and performance across multiple customer-facing and internal platforms. Your work will help ensure that complex healthcare and insurance transactions are processed accurately, efficiently, and securely at scale.This is a hybrid role based in Concord, California, with an expectation of working in the office at least two days per week.WhatYou'llDoDesign, develop, andmaintainbackend services, APIs, and core platform componentsBuild scalable systems using Java and Spring Boot or similar frameworksDevelop and support RESTful APIs and service integrations across internal and external systemsParticipate in system design and architecture discussions for scalable backend solutionsWork closely with product, implementation, QA, and engineering teams to define technical requirementsSupport complex data processing, transformation, and integration workflowsEnsure backend systems are secure, reliable, and performant under high transaction volumesUtilize Claude to support development, accelerate problem-solving, and improve productivity whilemaintaininghigh code quality.Contribute to CI/CD pipelines, deployment automation, and DevOps practicesWrite clean, maintainable, and testable code with strong unit and integration test coverageApply modern engineering practices, including shift-left testing and continuous quality improvementUse AI-assisted development tools (Claude Code, Copilot, etc.) to accelerate development, debugging, and analysisImprove system observability through logging, monitoring, and diagnostics enhancementsTroubleshoot production and integration issues as neededWhatYou'llNeedBachelor's degree or equivalent experience in Computer Science or related field8+ years of backend software engineering experienceStrong experience in Java and backend service developmentSolid understanding of RESTful APIs and distributed systems designExperience with Spring Boot or similar backend frameworksStrong SQL experience (Oracle preferred) and familiarity with NoSQL databasesExperience working with cloud platforms (AWS, Azure, or GCP)Experience and passion around working with AI: Copilot, Claude, Windsurf, Gemini Code, or similar Experience with containerization (Docker) and orchestration (Kubernetes)Familiarity with CI/CD pipelines (Jenkins or similar tools)Deep understanding of Agile development methodologiesExperience building maintainable, scalable backend systemsNice to HaveExperience in healthcare, insurance, or financial services systemsExposure to high-volume transaction processing or integration-heavy environmentsExperience with event-driven architectures or messaging systems (Kafka, RabbitMQ, etc.)Familiarity with Elastic CloudExperience with API testing or workflow automation tools (Playwright, Postman, etc.)Knowledge of system observability tools (ELK, Prometheus, Datadog, Grafana, etc.)Strong debugging and production troubleshooting skillsExperience working with sensitive data and compliance requirements (HIPAA / PHI / PII)Strong communicationskills and ability to collaborate across technical and non-technical teamsPay TransparencyOffice 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 AllyAt 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 NoteOffice 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.