Staff Python Engineer – Contract

Arch Systems

. Design and deliver backend features in Python for large-scale enterprise SaaS .

Posted 10/6/2026contractRemote • SloveniaLead💰 $120,000 - $140,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and delivering scalable backend solutions using Python and Django, with a strong focus on data modeling, API development, and system integration. Proven ability to manage complex data pipelines and ensure consistency across distributed systems while collaborating effectively with cross-functional teams.

Highest-signal resume keywords

Python DevelopmentDjango FrameworkData ModelingAPI DevelopmentSaaS Applications

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentBackend DevelopmentData Pipeline ManagementTestingCI/CDSecure DesignIncremental UpdatesConcurrency DesignTransactional GuaranteesScalable Solutions

Soft Skills

Technical GuidanceCollaborationCustomer Feedback Iteration

Tools & Technologies

CeleryRabbitMQTimescaleDBAthena

Certifications & Qualifications

Independent Contractor Registration

Industry Keywords

Enterprise SaaSManufacturing TechnologyIndustrial Technology

Tech Stack

Tools & technologies

CloudDjangoPythonRabbitMQ

About the role

Key responsibilities & impact

Design and deliver backend features in Python for large-scale enterprise SaaS
Contribute to technical excellence through testing, CI/CD, and secure design
Provide technical guidance and architectural input across backend initiatives
Design data models and pipelines for high-volume sensor data streams and time-series events
Handle late-arriving data, retention windows, and downstream reclassification
Own a synchronization and reconciliation engine for distributed edge clients and cloud systems
Implement incremental updates, retroactive resynchronization, and atomic merging of concurrent edits
Build integrations with customer enterprise systems and maintain consistency under partial failures and ambiguous record matching
Design for concurrency, interval-based data, transactional guarantees, and consistency across async workers, polling clients, and human edits
Build configurable, formula-driven systems with safe customer-specific extension points
Build fast, reliable APIs for latency-sensitive operational user interfaces
Collaborate with cloud, infrastructure, and data science teams
Manage and optimize data pipelines feeding the analytics platform

Requirements

What you’ll need

10+ years of professional software development experience
Python and Django required
Experience with large, complex backend SaaS applications
Strong skills in modelling complex data systems and delivering scalable solutions
Hands-on experience supporting production code and iterating with customer feedback
Contractors must hold or obtain the legal right to provide services as an independent contractor in their jurisdiction
Contractors must maintain registrations, licences, or business entities required by applicable law
Contractors are responsible for applicable professional indemnity, public liability, or other insurance as required in their jurisdiction
Resumes must be submitted in English
Celery, RabbitMQ, TimescaleDB/Athena, and manufacturing/industrial technology background are a plus

Benefits

Comp & perks

Remote-first, highly asynchronous engineering culture
Significant ownership and autonomy
Collaboration with experienced backend, infrastructure, and data engineers
Work on high-scale industrial data systems used by leading global manufacturers
No employee benefits, equity awards, paid time off, sick leave, health insurance, or participation in employee benefit programmes are provided