Senior Full Stack Engineer (Core Engine)
$120k - $150kOffice Ally
Job Description
Job Description
About Us
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.
About the Role
This 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 and maintaining the backend systems that power our core products and integrations. You will directly impact system 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.
What You'll Do
- Design, develop, and maintain backend services, APIs, and core platform components
- Build scalable systems using Java and Spring Boot or similar frameworks
- Develop and support RESTful APIs and service integrations across internal and external systems
- Participate in system design and architecture discussions for scalable backend solutions
- Work closely with product, implementation, QA, and engineering teams to define technical requirements
- Support complex data processing, transformation, and integration workflows
- Ensure backend systems are secure, reliable, and performant under high transaction volumes
- Utilize Claude to support development, accelerate problem-solving, and improve productivity while maintaining high code quality.
- Contribute to CI/CD pipelines, deployment automation, and DevOps practices
- Write clean, maintainable, and testable code with strong unit and integration test coverage
- Apply modern engineering practices, including shift-left testing and continuous quality improvement
- Use AI-assisted development tools (Claude Code, Copilot, etc.) to accelerate development, debugging, and analysis
- Improve system observability through logging, monitoring, and diagnostics enhancements
- Troubleshoot production and integration issues as needed
What You'll Need
- Bachelor's degree or equivalent experience in Computer Science or related field
- 8+ years of backend software engineering experience
- Strong experience in Java and backend service development
- Solid understanding of RESTful APIs and distributed systems design
- Experience with Spring Boot or similar backend frameworks
- Strong SQL experience (Oracle preferred) and familiarity with NoSQL databases
- Experience 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 methodologies
- Experience building maintainable, scalable backend systems
Nice to Have
- Experience in healthcare, insurance, or financial services systems
- Exposure to high-volume transaction processing or integration-heavy environments
- Experience with event-driven architectures or messaging systems (Kafka, RabbitMQ, etc.)
- Familiarity with Elastic Cloud
- Experience 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 skills
- Experience working with sensitive data and compliance requirements (HIPAA / PHI / PII)
- Strong communication skills and ability to collaborate across technical and non-technical teams
Pay Transparency
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.
$190k - $205k
...solve their most complex problems. As a Fullstack Software Engineer in our Core Services team, you’ll design, build, and optimize the core... ...scalable infrastructure that support them.What you’ll do: Full Stack Development: You will function as a product-minded engineer...SeniorWork at officeFlexible hours- PLEASE CLICK HERE TO SEE *ALL* OF OUR JOB OPENINGS!Senior Full Stack Engineer (Backend)As a Senior Full-Stack Engineer, you'll be a key player in building the technology platform that delivers these insights, working with cutting-edge algorithms and composite AI solutions...SeniorCasual workWork at office
$166.6k - $208.3k
...through the skies. It embodies the elegance of simplicity in engineering, transforming the demanding task of controlling an aircraft... ...product engineering group is growing and we’re looking to hire senior full-stack engineers. We’re a team of pragmatic, product-minded...Senior$180k - $230k
...Kiddom helps schools and districts deliver more equitable, effective, and adaptive learning experiences.We're looking for a Senior Full Stack Engineer to join our AI Experience Pod, the team behind Kiddom's flagship AI-powered experience for teachers and students. You'll...SeniorPermanent employmentLocal areaFlexible hours$161k - $210k
Senior Software Engineer Dealpath is the AI-powered operating system for institutional real estate investing — purpose-built to help the world's... ...managing trillions in real assets, using AI coding tools as a core part of how you build every day. We're looking for engineers...SeniorCasual workImmediate start$159.2k - $301.6k
...reimagining the future of creativity — where generative AI, intelligent agents, and human imagination work hand in hand. As a Senior Full Stack Engineer, Agentic Product, you will be a key technical contributor for Adobe's up-and-coming AI-native experience that brings...SeniorFull timeTemporary workLocal areaWorldwide$187k
About the roleWe are looking for a Senior Full-Stack Engineer to join our App Journey team and play a key role in shaping the core experiences that every Chime member interacts with every day.As a senior engineer on this team, you'll own the surfaces that define how members...SeniorFull timeWork at officeLocal areaRemote workFlexible hours$141.9k - $190.3k
...Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data... ...for ad breaks across Hulu, Disney+, ESPN, and others.As a Senior Full Stack Software Engineer (P3) on our team, you’ll leverage your...SeniorWork experience placementWork at office$150k - $185k
...concerns. Develop with TypeScript across the stack, building user interfaces using React and... ...technical sustainability. Own the full lifecycle of Autopilot technology, from... ..., continually seeking to grow as an engineer and help those around you grow as well....SeniorFull timeTemporary workWork at officeLocal area- ...CoreWeave is hiring a Senior Full Stack Engineer for the ARIA Agent team in California. You will own features across backend services and React frontend, building distributed worker systems for agent conversations and a streaming architecture for real-time token output...Senior
- ...backed logistics technology company in California is seeking a Senior Engineer to join their team. The role involves building features,... ...tools, and scaling systems. Ideal candidates should have strong full-stack and backend experience, excellent problem-solving skills,...SeniorRemote workFlexible hours
$140k - $180k
...Wanna join the adventure? Loft Orbital is looking for a Senior Full‑Stack Engineer to join our Oort team. Oort is our central web platform—a unified environment that consolidates all infrastructure data and tools, empowering Loft to streamline, integrate,...SeniorFull time- ...A leading AI technology firm in San Francisco is seeking a Full Stack Engineer to design, build, and scale applications for their AI cloud platform. The ideal candidate will have over 8 years of full-stack development experience, expertise in TypeScript and Python, and...Senior
$95.55k - $195.25k
...role ends on May 31, 2027. What You’ll Do As a Deloitte Tax Full Stack Engineer, Senior you’ll design, develop, and deploy cutting-edge web... ...(e.g., Angular, React).Proven hands-on experience on .NET Core, ASP.NET Core Web API, SQL, NoSQL, Entity Framework 6 or above...SeniorWork at officeLocal areaVisa sponsorshipShift work2 days per week3 days per week$140k - $200k
...A recreation technology company based in San Francisco is seeking a senior engineer to help build the future of their platform. You'll work closely with various teams to drive products from idea to launch, using technologies like React and Node.js. Ideal candidates have...SeniorFlexible hours- ...Beacons AI is seeking a Senior Fullstack Engineer to lead significant parts of product development from ideation to implementation. The role focuses on a balanced front-end (React) and back-end (Python) development while working in a hybrid model from San Francisco or...Senior
- ...sustainable. About the role: As an early engineer, you'll receive generous equity compensation Full-time role at our San Francisco, CA office Flexible... ...You are comfortable working on all parts of the stack. Bonus Points: Prior experience building web...SeniorFull timeWork at officeFlexible hoursWeekend work
- ...Adyen in San Francisco is seeking a Senior Full Stack Engineer for Customer Interfaces to drive the evolution of our experience platform. You will build end-to-end streaming, multi-modal UIs and backend agentic workflows that power secure, scalable financial experiences...Senior
$180k - $220k
...looking for highly motivated engineers based in the Bay Area who are... ...powered features, and scaling our core platform. We’re looking for... ...production issues across the entire stack. Participate in rotating... ...professional experience as full stack engineer ~ Deep knowledge...SeniorFull timeWork at officeRemote workFlexible hours- ...We're looking for a senior full stack engineer to help build the core systems behind AI teammates for finance. You'll design and ship infrastructure that allows agents to initiate, execute, and complete real workflows across messy enterprise environments. This is not surface...Senior
$180k - $230k
...% RemoteFull Time$180k - $230k A startup backed by Y Combinator is looking for a Senior to Staff level Full Stack Engineer with exceptional Typescript experience. You'll work on their core application, used in the healthcare space. Candidates must have extensive experience...SeniorFull timeRemote work- ...call when it breaks. You will work next to the ML and robotics engineers, but you are the person customers actually interact with every... ...people who can navigate ambiguity without losing momentum. Stack: Ruby on Rails, ERB, React, Postgres. We chose boring tools on...SeniorShift work
$163k - $246.5k
...Learn more at semgrep.dev.About the roleAs a Fullstack Engineer, you’ll work across the stack to design, build and maintain a fast and reliable user experience... ...physics and philosophy to formal methods research and full-fledged corporations. We’re new parents and new grads,...SeniorCurrently hiringWork at officeLocal areaRemote workWeekend work3 days per week- ...Senior Full-Stack Engineer Mach9 is at the forefront of leveraging advanced machine learning and computer vision techniques to transform raw geospatial data into actionable insights to help civil engineers build and maintain infrastructure globally. Our first product...Senior
- ...Everyone owns a domain that would be a full team at a larger company. San... ...The Role Sphere is looking for senior full stack engineers who will own and build out new product... ...Requirements Experience in Python. Our core application backend and data pipeline...SeniorWork at office
- ...that significantly outperforms individual engineers. We combine language models with human... ...and quality. Role Overview As a Full Stack Engineer at CodeRabbit, you'll build end... ...problems before they're assigned, use AI as a core part of how they build, ship with...Senior
- ...closely with product and forward-deployed engineering, and selectively join customer calls... ...FOR Experience • 4–8 years of full-stack engineering experience, with clear ownership... ...best: someone already performing at a senior level, ready to make the jump to full end...Senior
$164k
About the roleChime's Cards team is hiring a Senior Full-Stack Engineer to help build and scale our newest card products. You'll work across the... ...efforts introduce new product constructs and require evolving core systems while delivering seamless, reliable experiences at...SeniorFull timeWork at officeLocal areaRemote work$160k - $230k
...Senior Full Stack Engineer Strada is building the operating layer for AI-driven insurance. Our platform deploys expert AI agents across calls, texts, emails, and chat - running core front-office workflows from policy servicing to claims intake. With a singular focus...SeniorWork at officeImmediate start$163k - $246.5k
...at semgrep.dev . About the role As a Fullstack Engineer, you’ll work across the stack to design, build and maintain a fast and reliable user... ...from physics and philosophy to formal methods research and full-fledged corporations. We’re new parents and new grads,...SeniorFull timeCurrently hiringLocal areaRemote workWeekend work3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full Stack Engineer (Core Engine). Be the first to apply!
- mean stack developer San Francisco, CA
- senior full stack developer San Francisco, CA
- full stack cloud developer San Francisco, CA
- mid level full stack developer San Francisco, CA
- java full stack angular developer San Francisco, CA
- senior java full-stack developer San Francisco, CA
- full stack engineer San Francisco, CA
- full stack developer contract San Francisco, CA
- senior full stack web developer San Francisco, CA
- entry level full stack developer San Francisco, CA


