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Job Description: Back End Developer
Mondo · United States (Remote)

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Meet the hiring team

Earl Ferguson  
 3rd
VP / Head of Talent Acquisition | Global Recruiting Leader | AI Hiring Systems (Workday, Greenhouse, GEM, BrightHire) | DEI & Scaling High-Growth Teams
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About the job
Hiring: Senior Backend Engineer (Python) – Contract


Senior Backend Engineer (Python) — Contract

We’re recruiting a Senior Backend Engineer to join a high-traffic, consumer-facing product team building and supporting backend services used at scale.
This role is ideal for a backend engineer who lives and breathes pure Python and is comfortable owning backend systems end-to-end in a modern, serverless AWS environment.


What You’ll Be Doing

Design, build, and refactor serverless backend services using pure Python
Develop and maintain REST and GraphQL APIs
Work heavily with AWS services including Lambda, RDS, and DynamoDB
Write and optimize SQL for production data workflows
Build and support ETL pipelines and backend integrations
Collaborate closely with product, design, and frontend/mobile teams
Translate high-level requirements into scalable technical solutions
Participate in daily standups and ship code frequently


Required Skill Set

5–7+ years of backend engineering experience
Expert-level Python (pure Python — no heavy frameworks like Flask or Django)
Strong AWS experience, especially Lambda-based architectures
Solid SQL skills and experience with relational databases
Hands-on experience with GraphQL (building or maintaining schemas and APIs)
Experience owning backend services in production environments
Comfortable working autonomously in a remote team


Nice to Have

Experience with high-traffic consumer applications
Background in startup, agency, or product-led environments
Experience with backend refactoring or platform modernization efforts


Role Details

Contract length: 4–6 months (extension possible)
Hours: 40 hours per week
Location: Fully remote (must support PST hours)
Equipment: Contractor-provided