Senior Python Developer (Customer Success Engineer)

EX Squared; United States; Remote; USD 90,000 - 150,000; Full time

Job summary

EX Squared is seeking a Python Developer / Customer Success Engineer to join a remote team supporting data migrations, troubleshooting, integrations, and customer-facing engineering needs. The role blends backend development with direct customer collaboration.

You will migrate data, validate results, build Django scripts, and work with SQL/NoSQL databases while aligning with US EST business hours. Strong English required.

Qualifications

• 4+ years of backend development with Python and Django.
• Strong PostgreSQL experience, including complex queries and migrations.
• Experience with data migrations, transformation, and migration scripts.
• REST APIs and third-party integrations experience.
• Git, Docker, and Bash in day-to-day development.
• Ability to communicate with customers clearly and effectively.

Responsibilities

• Own customer data migrations from initial investigation through successful completion.
• Analyze, transform, validate, and migrate data from different customer systems and data sources.
• Build and maintain Python/Django scripts and tools supporting migration workflows.
• Work with relational and NoSQL databases, data structures, and file formats.
• Investigate customer-reported technical issues and identify root causes.
• Drive technical issues through to resolution and implement fixes.
• Handle customer-specific backend changes, integrations, and bug fixes.
• Work with REST APIs and third-party systems during migrations and troubleshooting.
• Communicate directly with customers to clarify technical requirements and coordinate solutions.
• Collaborate with backend engineers and cross-functional teams.
• Improve migration processes and tooling for reliable onboarding.

Skills

Python

Django

PostgreSQL

REST APIs

Git

Docker

Tools

Claude Code

Azure

CI/CD

GitHub Actions

Job description

At EX Squared LATAM, we partner with leading organizations across North America to connect them with highly skilled technology professionals throughout Latin America.

We are currently looking for a Python Developer / Customer Success Engineer to join a remote team supporting customer data migrations, technical troubleshooting, integrations, and ongoing customer-facing engineering needs.

Role Overview

This is a hands-on engineering role focused on customer data migrations, backend development, technical problem-solving, and customer support.

You will work closely with backend engineers and directly with customers to migrate and validate data, investigate technical issues, implement reliable solutions, and improve recurring migration and onboarding processes.

The ideal candidate combines strong Python/Django and data engineering skills with curiosity, ownership, attention to detail, and confident customer communication.

Location

Remote - Latin America

Working Hours

Must be aligned with U.S. EST business hours.

Occasional availability outside of standard working hours may be required.

Language Requirement

Upper-Intermediate English (B2+) or higher, including confident spoken communication.

What You’ll Do

• Own customer data migrations from initial investigation through successful completion.
• Analyze, transform, validate, and migrate data from different customer systems and data sources.
• Build and maintain Python/Django scripts and tools supporting migration workflows.
• Work with relational and NoSQL databases, different data structures, and file formats.
• Investigate customer-reported technical issues and identify root causes.
• Drive technical issues through to resolution.
• Handle customer-specific backend changes, integrations, and bug fixes.
• Work with REST APIs and third-party systems during migrations and troubleshooting.
• Communicate directly with customers to clarify technical requirements and coordinate solutions.
• Collaborate closely with backend engineers and other cross-functional team members.
• Improve migration processes and tooling to make recurring customer onboarding more reliable and scalable.

What You’ll Bring

• 4+ years of professional backend development experience with Python and Django.
• Strong hands-on experience with PostgreSQL, including complex queries, data structures, and database migrations.
• Practical experience with data migrations, data transformation, and migration scripts.
• Experience working with different data sources, data formats, and database models, including relational and NoSQL databases.
• Strong understanding of REST APIs and experience with third-party integrations.
• Strong debugging and troubleshooting skills, including the ability to investigate unfamiliar code, data, and system behavior.
• Hands-on experience with Git, Docker, and Bash in day-to-day development.
• Experience using AI-powered development tools, particularly Claude Code or similar coding agents.
• Ability to communicate directly with customers, clarify technical problems, and explain solutions clearly.
• Strong ownership, attention to detail, and persistence in bringing technical issues through to resolution.

What Will Make You Stand Out

• Experience with customer data migrations between complex B2B or SaaS platforms.
• Experience building or improving internal migration tooling and automation.
• Experience working in a B2B SaaS product environment.
• Experience with CI/CD pipelines and production deployment workflows.
• Experience with Azure and cloud-based applications.
• Experience troubleshooting customer-specific integrations and production data issues.
• Experience with CRM platforms.

Why EX Squared?

At EX Squared, you'll have the opportunity to work with international teams and clients while contributing to meaningful technology initiatives.

You'll join a collaborative environment that values autonomy, continuous learning, technical ownership, and practical problem-solving.