> Markdown version of [/jobs/ext/2312604-software-engineer-sr](https://www.wearedevelopers.com/jobs/ext/2312604-software-engineer-sr). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer Sr - **Company:** System One - **Location:** Strongsville, OH, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Data Systems, DevOps, Distributed Systems, Fault Tolerance, Design of User Interfaces, Enterprise Messaging Systems, OAuth, OpenShift, Performance Tuning, JSON Web Token, Service Design, Systems Integration, Enterprise Data Management, Automated Data Processing (ADP), Grafana, Spring-boot, Backend, Event Driven Architecture, Customer Identity Access Management, Containerization, AngularJS, Material UI, Kubernetes, Apache Kafka, Api Design, Splunk, Dynatrace, Docker, Microservices - **Published:** August 30, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3369784014&tx=UT5551TTV&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Experience with containerization and deployment (Docker, Kubernetes/OpenShift) Experience working with distributed systems, including resiliency, scaling, and fault tolerance Expertise in API design and integration patterns (REST, secure APIs, contract-first design) Familiarity with enterprise authentication/authorization patterns (CIAM, OAuth, JWT) Hands-on experience with backend service design for complex domains (APIs, orchestration, service-to-service communication) Solid understanding of event-driven architecture (Kafka or similar messaging platforms) Strong debugging and performance tuning skills across microservices Strong experience building and integrating microservices (Spring Boot / Java preferred) UI development experience (Angular or similar) to support front-end integration-specifically for building and integrating UI components like the Payroll tile Nice To Have Experience with CI/CD pipelines and DevOps practices Experience with financial services or payments platforms (billing, payroll, account servicing) Experience working in Agile delivery models with cross-functional teams Exposure to observability tools (Splunk, Dynatrace, or similar) Exposure to Payroll integrations (ADP or similar providers) Familiarity with enterprise data platforms (BDC, FNW, or similar transaction/data systems) Knowledge of feature toggles and rollout strategies for phased releases Prior experience working in large-scale enterprise environments with multiple dependent systems Understanding of UI/UX best practices for customer-facing applications ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Throwing off the burdens of scale in engineering](https://www.wearedevelopers.com/videos/608-throwing-off-the-burdens-of-scale-in-engineering) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [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)