System One is seeking a Senior Software Engineer for a long-term opportunity in New Hope, PA. The Sr. Software Engineer will be responsible for designing and building services that are focused on consistency, flexibility, and performance. Ideal candidates will have extensive hands-on experience with Java, Spring, NodeJS, APIs, Mobile and Web Application development.  You will work with existing developers to help maintain and improve the codebase while building services that are used by millions of users across multiple brands, both internal and external.
Responsibilities: Deliver critical, consistent, flexible, and performant APIs to power feature delivery to our Web, Mobile Web, Android, and iOS clients. Collaborate with Mobile Engineers, DBAs, Product Managers, and Designers to deliver appropriate data that meets the product and technical needs of the various platforms. Work with highly scalable distributed systems that leverage asynchronous technologies, caching protocols, databases, and Amazon Web Services (AWS) to provide a quality experience to end-users. Build and release products that impact millions of users. Work on interesting and impactful problems on a fast-paced agile team that emphasizes quality and peer review. Required Skills: 5+ years of experience writing NodeJS. Experience with Java and Spring. 3+ years of experience designing and implementing REST/JSON APIs. 3+ years of experience working with relational databases for data storage. 3+ years of experience with NoSQL databases such as Redis or DynamoDB. 2+ years of experience with event driven architectures using RabbitMQ or Kafka. Experience with Github, Gerrit, and/or BitBucket for code storage and review. Serve as a role model for our high engineering standards and bring consistency to the many codebases and processes you will encounter. Understand how to build scalable, resilient, and observable distributed systems. Desire to work in an agile environment. Desire and passion to learn new and grow in a new position. B.S. or M.S. in Computer Science, equivalent work experience, or just be really awesome.

System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.