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Senior Frontend Engineer

Legion
CompanyLegion
CategoryEngineering
LocationHybrid
RemoteHybrid
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted24 Jul 2026
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
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Description
Senior Frontend Engineer Hybrid, Bucharest, Romania   JOB OVERVIEW The Legion application is a high performance data driven Java enterprise application that implements sophisticated scheduling and optimization algorithms. It also provides the necessary endpoints for our Web and mobile frontend applications. RESPONSIBILITIES AND DUTIES As a Frontend Software Engineer, you will be a member of the team responsible for the implementation and evolution of this application. You will need to be able to write secure, efficient, enterprise quality  code, and have a deep understanding of the techniques and technologies that are necessary for scalability and performance. Plan and conduct architecture sessions, design, and build enhancements\extensions, create plans for Integration and Unit testingDevelops long lasting relationships Able to simultaneously help multiple customers and travel to customer locations as required Actively set and manage expectations Understand, adapt and act within the customer’s organization and culture Continually acquires knowledge about our customers and solutions to grow adoption Manage difficult situations in a calm and structured way with timely internal and external customers Communication to all levels of individuals Understand flexibility and prepare for when needs change Please note that this role involves participation in an on-call rotation. REQUIRED SKILLS AND QUALIFICATIONS 5-7 years years of experience working with AngularJS & React technologies AngularJS, React experience is essential. Experience upgrading from AngularJS to React preferred. Experience with CSS3, HTML/HTML5, JavaScript, Bootstrap, and jQuery including cross-browser compatibility issues. We use Java, Spring Boot, Hibernate, MySQL and JSON, so familiarity with these technologies will be helpful Our application runs on AWS, so experience with containerization and cloud deployments is desirable.  Experience building software products and handling complexities of multiple configurations in a cloud based product, rather than consulting and webpage/portal development.   Bachelor’s or Master’s Degree in Computer Science, Engineering, Mathematics or similar field PREFERRED QUALIFICATIONS AND ATTRIBUTES Ability to operate in an environment with limited resources Track record of building positive relationships with peers  ABOUT LEGION Join Legion's mission to turn hourly jobs into good jobs. We're a mission-driven team seeking exceptional talent to propel this vision. Embrace a culture that's collaborative, fast-paced, and entrepreneurial. With us, you'll grow your skills, work closely with experienced executives, and contribute significantly to our mission. Our award-winning AI-native workforce management platform is intelligent, automated, and employee-centric and proven to deliver 13x ROI. We help labor-intensive organizations maximize labor efficiency and employee engagement simultaneously.  Legion has earned recognition for its innovation, including spots on the Inc. 5000 list, Forbes’ Next Billion Dollar Startups, and awards for our AI technology. Backed by leading investors such as Norwest Venture Partners, Stripes, First Round Capital, XYZ Ventures, Webb Investment Network, Workday Ventures, and NTT DOCOMO Ventures, we're making real change. If you're ready to make an impact and grow your career, Legion is where you belong. Join us in making hourly work rewarding and fulfilling. BACKGROUND AND OPPORTUNITY There are almost 75 million hourly workers in the United States, representing more than half of the entire workforce. Historically, managing hourly employees has been difficult due to high attrition (average of 60%) and high replacement costs (average of $3,200 per employee in retail). The ongoing labor shortage and competi
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Senior Frontend Engineer — Legion · Job Opportunities API