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Legion is seeking a Senior Integration Engineer to design, build, and maintain integration and automation solutions for its workforce management platform. This is a remote role based in Mexico, working standard hours 0900-1800 with participation in on-call rotation.
You will work across four key responsibility areas:
**Technical Integrations**: Design and implement scalable integration architectures connecting Legion WFM with HR, POS, payroll, and other enterprise systems. Build and test integrations using Workato, develop secure and efficient REST APIs within Legion's API-driven ecosystem, and ensure high-performance, reliable integrations on modern cloud platforms. You'll engage with architects and engineers for design collaboration and code reviews, and stay current with agile software engineering trends.
**Legion Product Expertise**: Gain and maintain deep knowledge of Legion's product and integration ecosystem. Identify, report, and prioritize product bugs and enhancements. Work with core engineering and production teams to improve backend reliability and troubleshoot production issues. Write secure, enterprise-grade integration code, contribute to all phases of the development lifecycle, and conduct peer code reviews to ensure quality and maintainability.
**Team Collaboration & Mentorship**: Share expertise and mentor junior engineers, fostering knowledge-sharing. Contribute to best practices for integration and internal technical documentation. Support process improvements and advocate for scalable, sustainable integrations. Commit to high-quality work aligned with organizational goals.
Legion's mission is to turn hourly jobs into good jobs. The company delivers an AI-driven workforce management platform that enables businesses to maximize labor efficiency and employee engagement simultaneously, with proven 13x ROI through schedule optimization, reduced attrition, and increased productivity.
**Requirements**:
- 7+ years of business/information/solution/technical architecture experience
- Bachelor's or Master's degree in a relevant STEM field (Information Systems, Engineering, Computer Science, or equivalent)
- 3+ years of experience with event-driven architecture and microservices
- Deep technical expertise in integration technologies and protocols (HTTP, HTTPS, FTP, SFTP, SOAP, REST, JMS, JDBC)
- Experience with Linux/Unix environments
- Proficiency with Core Java
- Experience with relational databases, SQL, and JDBC (Oracle, PostgreSQL, SQL Server, etc.)
- 2+ years of experience with AWS technologies (AWS CDK, CloudFormation, S3, ECS, EKS, EC2)
- Experience with test-driven development
- Strong experience with Java/RESTful web services
- Exposure to agile software development tools (Jira, GitHub, Jenkins)
- Knowledge and experience with CI/CD processes and tools
- Proven problem-solving and root-cause analysis skills
- Must be a team player who can also work independently
- Analytical, results-driven, solution-oriented approach
- Exceptional interpersonal and English communication skills (verbal, written, presentation, listening)
**Preferred Qualifications**:
- Workforce management integration experience
- Experience with integration platforms (Workato, SAP BTP Integration Suite, Dell Boomi, Jitterbit, SnapLogic)
- Technical consulting experience
- Experience with Docker and other isolation technologies
- Experience with external application integrations (Workday, SAP, etc.)
