> Markdown version of [/jobs/ext/3967450-sr-software-engineer](https://www.wearedevelopers.com/jobs/ext/3967450-sr-software-engineer). 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). --- # Sr. Software Engineer - **Company:** Yantran Llc - **Location:** O'Fallon, MO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Microsoft Azure, Cloud Computing, Database Design, Spring Framework, JSON, Apache Maven, Responsive Web Design, Software Engineering, SQL Databases, Containerization, AngularJS, Apache Kafka, Restful APIs - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/sr-software-engineer-o-fallon-mo--4d9d2ba4-8240-4c28-a917-51908dd8caa0 ## About the Role Software Engineering, Java, Software Engineering, AngularJS, Application Programming Interface (API), REST (Representational State Transfer), JSON, Cloud Computing, Microsoft Windows Azure, Spring Framework, Full Stack developer with strong Java development/architecture experience Angular a Experience with responsive design, working with RESTful APIs and JSON. a Knowledge/experience using cloud native development such as PCF, Azure, etc. a Experience in Spring framework, Maven, Kafka, Database Design, SQL. a Experience in delivering secure, maintainable, scalable and complex application solutions in a SAFe/Agile process.