Sr. Python Developer

We’re reinventing the market research industry. Let’s reinvent it together.

At Numerator, we believe tomorrow’s success starts with today’s market intelligence. We empower the world’s leading brands and retailers with unmatched insights into consumer behavior and the influencers that drive it.

Numerator provides unparalleled consumer insights at a massive scale. Our technology harnesses data through the application of gamified mobile apps and sophisticated web crawling technology to deliver an unmatched view of consumer shopping and purchase experience.

Numerator is looking for a passionate Senior Software Developer to join our Datasources Team. As part of our Receipt Processing and Attribution team, you will be responsible for our receipt processing pipeline, data attribution system, and internal tools that processes and adds attributes to over a billion receipts captured through our mobile panel app. This is a high growth and impactful role that will give you tons of opportunity to drive decisions for projects from inception through production.

If you are seeking an environment where you get to do meaningful work with other great engineers, then we want to hear from you!

What You’ll get to do:

• Help to create the design, architecture, and execution of everything from backend APIs to data processing and databases.

• Make decisions about code design, architecture, and refactoring to balance technical debt against delivering functionality.

• Lead medium to large sized feature projects from conception to completion, working with stakeholders to identify project risks and recommend mitigating solutions.

• Collaborate with our cross-functional team to build powerful and easy-to-use products.

• Architectural designs and decisions, to improve the availability of the system

• Maintaining the system in general, on-call bug-fixing for mission critical issues

• Mentor junior-intermediate engineers and perform code reviews.

Example Projects

• Modify our attribution tools, UI and Django backend to enable optional prioritization of recently discovered items.

• Update our data lake ETL code to leverage data in override tables to generate cleaner data.

• Build out a data QA process to approve the output of both our machine learning algorithms, and our hundreds of data associates attributing products.

• Improve the performance of our receipt processing tool as we double the number of receipts processed per day

• Build out new automated processes that detect which country a receipt originated from

Our Tech Stack

• Web: HTML, Javascript, CSS, React.

• Backend: Python, Django, Postgres, Mysql, ElasticSearch, Redis.

• Distributed Computing: Celery, RabbitMQ

• Data Warehouse: Snowflake

• Infrastructure: AWS EC2, Kubernetes, Docker, Helm, Terraform

What You Can Expect from Your Intern Experience

You’ll play an active role as a member of a dynamic team of supportive and highly motivated employees and leaders. From day one, you’ll be set up for success with your NuIntern buddy, who will be a key partner throughout your internship. Numerator’s onboarding program will introduce you to your new colleagues, immerse you into our culture, and provide you with resources to thrive.

Expect to make an impact on real projects, business challenges, clients, and our global teams. Interact and engage with colleagues in person at our cool headquarters, designed to further inspire innovation, creativity, and collaboration. You'll also have the opportunity to participate in local events, Hack Days, networking, and workshops.
Internship dates: June 9th to August 8th, 2025

• Have 6+ years of experience in a backend or full stack role.

• Programming experience in Python, C#, Java, or another object-oriented language.

• An eagerness to learn new things, and improve upon existing skills, abilities, and practices.

• Familiarity with web technology, such as HTTP, JSON, HTML, and JavaScript UIs.

• Experience with databases, SQL or NoSQL.

• Knowledge in an Agile software development environment,

• Experience with REST services and API design.

• Experience with version control systems (Git, Subversion, etc..).

• Have a real passion for clean code and finding elegant solutions to problems.

• Eager to expand your knowledge and abilities in python and cloud-based technologies.

• Motivation to participate in ongoing learning and growth through pair programming, test-driven development, code reviews, and application of new technologies and best practices.

• You look ahead to identify opportunities and foster a culture of innovation.

Nice to haves:

• Experience in UI frameworks React, Ember, Angular.

• Programming experience on Unix based infrastructure.

• Knowledge of cloud-based systems (EC2, Azure, etc..).

• Knowledge of Kubernetes and Docker development

• Expertise with big data, analytics, and personalization.

• Start-up or CPG industry experience.

#LI-REMOTE

We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by the law.

While some roles can be remote, Numerator is only able to hire in many, but not all, states and provinces. In certain cases, if you are not located in a specific area where Numerator is able to hire, you may not be eligible for employment.