Senior Integration Engineer - Cloud APIs & Apps

Legion; México; Remote; MXN 900,000 - 1,300,000; Full time

Benefits offered by this job

Paid Time Off and Paid Holidays

Equity

Monthly Wellness Reimbursement

Monthly Lunch on Legion

Job summary

Legion is seeking an experienced Integration Engineer to design and maintain scalable integrations across HR, payroll, and other enterprise systems. You will develop and test integrations using Workato and build secure REST APIs within Legion's API-driven ecosystem.

You will engage with architects, engineers, and product teams to improve backend reliability, performance, and adoption of Legion WFM across customers. This is a fully remote role with a focus on enterprise-grade integration delivery.

Qualifications

• 7+ years of architecture experience across information/solution/technical domains.
• University degree in a STEM field (Bachelor/Master).
• Ability to work in a team and independently; strong analytical mindset.
• Excellent interpersonal and English communication skills (verbal and written).
• 3+ years of event-driven architecture and microservices experience.
• Deep technical expertise in integration tech and protocols (HTTP/HTTPS, FTP/SFTP, SOAP, REST, JMS, JDBC).
• Proficiency in Core Java, RESTful services, and CI/CD tooling (Jira, GitHub, Jenkins).
• Experience with relational DBs (Oracle, PostgreSQL, SQL Server, etc.).
• 2+ years with AWS technologies (AWS CDK, CloudFormation, S3, ECS, EKS, EC2).
• Experience in test-driven development and scalable integration patterns.

Responsibilities

• Design and implement scalable integration architectures across enterprise systems.
• Build and test integrations using Workato.
• Develop secure REST APIs within an API-driven ecosystem.
• Ensure high-performance, reliable integrations on modern clouds.
• Collaborate with architects and engineers on design reviews and code quality.
• Mentor junior engineers and contribute to internal best practices.

Skills

Architectural experience

Event-driven

Java

REST/Microservices

English communication

Team player

Problem-solving

Education

Bachelor's or Master's in STEM

Tools

Workato

AWS CDK

CloudFormation

S3

ECS

EKS

EC2

Jira

GitHub

Jenkins

Docker

Job description

Legion is seeking an experienced Integration Engineer to design and maintain scalable integrations across HR, payroll, and other enterprise systems. You will develop and test integrations using Workato and build secure REST APIs within Legion's API-driven ecosystem.

You will engage with architects, engineers, and product teams to improve backend reliability, performance, and adoption of Legion WFM across customers. This is a fully remote role with a focus on enterprise-grade integration delivery.