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Legion Technologies is seeking a Senior Integration Engineer to design, build, and maintain scalable integration solutions for their workforce management platform. This is a fully remote role based in Mexico.
You will lead the development of enterprise integrations connecting Legion WFM with HR systems, POS platforms, payroll solutions, and other business-critical applications. Your responsibilities span four key areas:
**Technical Integrations:** Design and implement scalable integration architectures using modern cloud platforms and integration design patterns. Build secure, efficient REST APIs within Legion's API-driven ecosystem. Develop integrations using Workato and other enterprise integration platforms. Collaborate with architects and engineers on design reviews and code quality. Stay current with agile software engineering trends and best practices.
**Legion Product Expertise:** Develop deep knowledge of Legion's product and integration ecosystem. Identify and prioritize product bugs and enhancements. Work with core and production engineering teams to troubleshoot issues and improve backend reliability. Stay updated on new releases to drive adoption.
**Code Quality & Development:** Write secure, enterprise-grade integration code using leading platforms and technologies. Contribute to all phases of the development lifecycle with well-designed, testable, and efficient code. Conduct peer code reviews to ensure maintainability and quality. Demonstrate expertise in test-driven development and CI/CD processes.
**Team Collaboration & Mentorship:** Share expertise and mentor junior engineers. Contribute to best practices documentation and internal technical resources. Support process improvements and advocate for scalable, sustainable integration solutions. Commit to high-quality work aligned with organizational goals.
Standard working hours are 0900-1800 local time. This role includes participation in on-call rotation and may require work outside normal business hours.
**REQUIREMENTS:**
- 7+ years of business/information/solution/technical architecture experience
- Bachelor's or Master's degree in STEM field (Information Systems, Engineering, Computer Science, or related)
- 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)
- Demonstrated 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
- Ability to work independently and as a team player
- Analytical, results-driven, solution-oriented approach
- Exceptional interpersonal and English communication skills (verbal, written, presentation, listening)
**PREFERRED QUALIFICATIONS:**
- Workforce management integration experience
- Experience with scalable integration solution design using Workato, SAP BTP Integration Suite, Dell Boomi, Jitterbit, or SnapLogic
- Technical consulting experience
- Experience with Docker and container isolation technologies
- End-to-end external application integration experience (Workday, SAP, etc.)
