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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Horizontal Talent - **Location:** Oakland, CA, United States - **Experience:** Expert - **Salary:** $81,120.0 - $156,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Apache ActiveMQ, Application Programming Interfaces (APIs), Agile Methodology, Automation of Tests, Unit Testing, Microsoft Azure, Software Quality, Code Review, Information Systems, Continuous Integration, Data Security, DevOps, Github, Gradle, Monitoring of Systems, Hazelcast, IBM WebSphere MQ, Spring Framework, Apache Maven, Nginx, NoSQL, Octopus Deploy, Systems Development Life Cycle, Query Optimization, RabbitMQ, Redis, Distributed Caching, Standard Sql, Simple Object Access Protocol (SOAP), Software Engineering, Management of Software Versions, Web Services, Openapi, Datadog, Data Logging, Transaction Processing (Computing), Enterprise Software Applications, Istio, Spring-boot, Technical Debt, Event Driven Architecture, Containerization, Integration Tests, Kubernetes, Information Technology, Apache Kafka, Api Design, Restful APIs, Splunk, Api Management, Docker, Key Vault, Jenkins, Microservices - **Published:** September 20, 2026 - **Apply:** https://www.jofdav.com/jobs/59792561-senior-software-engineer ## About the Role * 7+ years of professional software development experience building enterprise applications and web services. * Strong hands-on expertise in Java, Spring Framework, Spring Boot, REST API design, and microservices architecture. * Experience leading technical design and delivering complex software across the full development lifecycle. * Working knowledge of SQL and NoSQL databases, data access patterns, transaction management, and query optimization. * Experience with automated testing, unit testing, mocking frameworks, integration testing, and contract testing. * Experience deploying containerized applications with Docker and Kubernetes. * Experience supporting CI/CD workflows using tools such as GitHub, GitHub Actions, Jenkins, Maven, or Gradle. * Experience monitoring and troubleshooting production systems with tools such as Datadog and Splunk. * Strong problem-solving, communication, and stakeholder collaboration skills. * Comfort working in Agile teams and partnering across technical and business functions. Preferred Skills * Experience in healthcare technology, dental or medical claims, benefits, eligibility, provider, member, or payment data. * Background modernizing SOAP or legacy services into Spring Boot REST APIs and cloud-native microservices. * Hands-on experience with Azure services such as AKS, API Management, managed identity, Key Vault, and Azure Monitor. * Exposure to Kubernetes ecosystem tools such as Helm, Argo CD, Istio, Knative, or NGINX. * Experience with messaging or event-driven systems such as Kafka, IBM MQ, ActiveMQ, or RabbitMQ. * Knowledge of distributed caching technologies such as Redis, Coherence, or Hazelcast. * Familiarity with OpenAPI, API governance, consumer-driven contract testing, and API-first development practices. * Experience with performance engineering, resiliency testing, and high-volume transaction processing. * Interest in using AI-assisted development tools responsibly to improve productivity and code quality. * Bachelor's or master's degree in Computer Science, Software Engineering, Information Systems, or a related field, or equivalent experience. Horizontal is committed to creating an inclusive, respectful, and welcoming environment where people of all backgrounds can do their best work. We value diversity, equity, and inclusion as essential parts of how we build teams, solve problems, and deliver great outcomes. ## Description Join a collaborative engineering team building secure, scalable, cloud-ready microservices that support claims processing and related enterprise capabilities. This role offers the opportunity to shape modern API solutions, improve platform reliability, and contribute to the evolution of mission-critical services. Responsibilities * Design, develop, test, deploy, and support RESTful APIs and Spring Boot microservices for claims-related business functions. * Build maintainable, resilient, and secure software with a strong focus on scalability, performance, and operational simplicity. * Own services end to end, including technical design, coding, automated testing, documentation, release readiness, and production support. * Help modernize legacy services and contribute to cloud-native architecture and service decomposition efforts. * Define and promote API standards around resource design, versioning, error handling, security, backward compatibility, and lifecycle management. * Work with DevOps and cloud teams to support CI/CD workflows, containerized deployments, and automated release processes. * Implement observability practices using logging, metrics, tracing, dashboards, alerts, and monitoring tools. * Partner with product, architecture, security, quality engineering, and consuming teams to deliver and validate integrations. * Participate in code reviews, design reviews, Agile ceremonies, and continuous improvement activities. * Support production and pre-production environments, including incident response and on-call responsibilities. * Identify technical debt and reliability risks while balancing delivery goals and long-term maintainability. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Post-Quantum Cryptography: Preparing for Q-Day](https://www.wearedevelopers.com/videos/100179-post-quantum-cryptography-preparing-for-q-day) - [Rate-limiting using eBPF and Istio: How to protect your SaaS customers from themselves](https://www.wearedevelopers.com/videos/100220-rate-limiting-using-ebpf-and-istio-how-to-protect-your-saas-customers-from-themselves) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Psychological Safety in Software Engineering - Jenny-Margrethe Vej & Alexandra Hou Aldershaab](https://www.wearedevelopers.com/videos/2142-psychological-safety-in-software-engineering-jenny-margrethe-vej-alexandra-hou-aldershaab) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers)