Senior Software Engineer

Aon plc; Chihuahua; Remote; MXN 600,000 - 900,000; Full time

Job summary

Aon plc in Mexico is seeking a Senior Software Engineer to design, develop, and deploy scalable cloud-based backend and data-processing solutions. Remote-friendly role based in Mexico, supporting Azure, PySpark, Kafka, and Delta Lake technologies.

You will collaborate with data engineers, analysts, and product teams to deliver robust data platforms, implement CI/CD, and ensure high availability and observability. This is a home-office opportunity with global collaboration.

Qualifications

• Experience building scalable cloud-based backend systems.
• Strong hands-on Azure experience and cloud-first design.
• Proficiency in Python with data processing libraries and Spark.
• Knowledge of data pipelines, ETL/ELT patterns.

Responsibilities

• Build, test, and deploy scalable backend solutions on Microsoft Azure.
• Develop and optimize data ingestion pipelines using PySpark, Spark, Kafka, and Azure.
• Design event-driven architectures and API integrations.
• Develop and maintain Delta Lake solutions with medallion architecture.
• Support Databricks, SQL databases, and hybrid storage solutions.
• Participate in all SDLC phases: planning, analysis, development, testing, deployment, QA.
• Create and maintain CI/CD pipelines for deployment and data ingestion.
• Write unit and integration tests; monitor performance and reliability.
• Perform root-cause analysis of incidents and implement fixes.
• Maintain code quality with clean coding and SOLID principles.
• Collaborate with engineers, data scientists, and business analysts.
• Promote cloud, software and data engineering standards across the team.

Skills

Cloud & Backend

Data engineering

Python programming

Azure expertise

REST API development

CI/CD practices

SQL knowledge

English proficiency

Tools

PySpark

Apache Spark

Kafka

Databricks

Delta Lake

Git

Job description

Senior Software Engineer

Cloud, Backend & Data Engineering - México

Do you thrive in a fast-paced environment where your input and expertise are valued? Do the words "dynamic" and "innovative" excite you? If you answered "YES!", this could be the next step in your career as a Senior Software Engineer! Are you a person with a disability (PCD)? If so, this role is for you!

This is a home office position based in Mexico.

Aon is in the business of better decisions

At Aon, we develop decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive team, and we are passionate about helping our colleagues and clients succeed.

What the day will look like

• Build, develop, test, and deploy scalable applications and backend solutions on Microsoft Azure.
• Build and optimize data ingestion pipelines and large-scale data-processing solutions using Python, PySpark, Apache Spark, Kafka, and Azure services.
• Design event-driven architectures and integrations using APIs, REST services, and messaging technologies.
• Develop and maintain Delta Lake solutions using medallion architecture.
• Support integration with Databricks, SQL databases, and hybrid storage solutions.
• Participate in all stages of the software development lifecycle, including planning, requirements analysis, development, testing, deployment, and quality assurance.
• Develop and maintain CI/CD pipelines for application deployment and data ingestion.
• Write unit and integration tests to ensure the reliability and stability of applications and backend systems.
• Monitor application performance, observability, uptime, scalability, and code quality.
• Solve production incidents, perform root-cause analysis, document findings, and implement preventive measures.
• Apply clean coding principles and proven build patterns to develop maintainable and extensible solutions.
• Maintain source code using Git or a similar version-control platform.
• Collaborate with developers, data engineers, analysts, data scientists, consultants, business analysts, and subject-matter experts.
• Provide technical guidance and promote cloud, software engineering, and data engineering standards across the team.

How this opportunity is different

We are seeking a solution-oriented Senior Software Engineer to join our Product Engineering team. This professional will be responsible for crafting, developing, and implementing scalable cloud-based applications, backend systems, and data-processing solutions using Azure, Python, Spark, and related technologies.

Skills and experience that will lead to success

• Proven experience in software, cloud, backend, or data engineering.
• Strong hands-on experience crafting, developing, and implementing solutions on Microsoft Azure.
• Sophisticated Python programming skills, ideally including PySpark, Pandas, Polars, and API development.
• Experience with big data technologies, particularly Apache Spark and Kafka.
• Experience designing and developing scalable data pipelines and data ingestion platforms.
• Knowledge of event-driven architecture, web services, APIs, REST, and backend integration patterns.
• Experience with SQL databases, Databricks, Delta Lake, or comparable cloud data platforms.
• Knowledge of CI/CD practices, automated testing, Git, and modern software development practices.Understanding of cloud architecture principles, including security, reliability, performance, observability, scalability, and cost optimization.
• Experience with clean code principles and SOLID design patterns.
• Ability to collaborate effectively with multidisciplinary and cross-functional teams.
• Advanced English

#LI-MF1

2571862