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Codal · 2 months ago

Senior Backend Engineer (Python)

Chicago, IL

Full-time

Hybrid

Mid, Senior Level

4+ years exp

Codal is an award-winning web design and development consultancy that helps enterprise organizations solve complex problems and accelerate growth through elegant, data-driven digital solutions. In this role, you will architect, develop, and maintain backend systems and APIs using Python, collaborating with cross-functional teams to ensure high-performing solutions for enterprise clients.

Information TechnologyMobile AppsSoftwareUX DesignWeb DesignWeb Development

Growth Opportunities

H1B Sponsor Likely

Responsibilities

Architecting, developing, and maintaining backend systems and APIs using Python and modern frameworks such as Django, FastAPI, or Flask

Designing clean, modular, and performant application architectures aligned with Codal’s engineering best practices

Implementing integrations with third-party APIs, databases, and internal systems

Building and optimizing data models, schemas, and queries for relational and NoSQL databases

Leading backend development efforts within your project team, ensuring clean, maintainable, and performant code

Reviewing code and mentoring junior-level engineers, helping raise the bar for backend quality and consistency

Owning delivery from concept to deployment, contributing to sprint planning, estimation, and release readiness

Staying ahead of emerging backend technologies, frameworks, and best practices — and advocating for their adoption where relevant

Qualification

PythonDjangoRESTful APIPostgreSQLDockerCI/CDAsynchronous programmingMicroservicesCommunicationCollaboration abilities

Required

4+ years of professional experience developing backend systems with Python

Proficiency with one or more modern frameworks (Django, FastAPI, or Flask)

Strong understanding of RESTful API or GraphQL design principles

Experience working with databases such as PostgreSQL, MySQL, or MongoDB

Strong understanding of asynchronous programming, microservices, and event-driven architectures

Familiarity with containerization and orchestration tools (Docker, Kubernetes)

Familiarity with CI/CD pipelines, Git-based workflows, and Agile methodologies

Strong debugging, optimization, and performance-tuning skills

Excellent communication and collaboration abilities, with experience working in cross-functional teams

Preferred

Experience with cloud platforms (AWS, GCP, or Azure), including Lambda or serverless architectures

Exposure to message queues (Kafka, RabbitMQ, AWS SQS) or pub/sub models

Exposure to data engineering concepts, ETL pipelines, or API integrations with analytics tools

Familiarity with testing frameworks (Pytest, Unittest, Jest, Mocha, Supertest, etc.)

Experience developing APIs for eCommerce, healthcare, or data-driven applications

Background in API versioning, rate limiting, and performance tuning for high-traffic systems

Benefits

Medical, Life, Dental/Vision, and many more insurance types

Employer 401k match - 4%

Office snacks and drinks + a fancy Bevi water machine with flavored water

We regularly host happy hours, dinners, excursions, and other company events to unwind after a hard day at work

A recreational group that regularly competes in city leagues for softball and volleyball

An office in the heart of downtown Chicago with a gym, food court, Walgreens, rooftop bar, outdoor sports court, and other amenities

Working hybrid for in-person collaboration and sprint-planning days

Company

Codal

Codal is a design and development consultancy that partners with enterprise organizations to solve complex problems and accelerate growth.

Founded in 2009

Chicago, Illinois, USA

201-500 employees

https://www.codal.com/

H1B Sponsorship

Codal has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (1)

2024 (2)

2023 (1)

2020 (2)