We are looking for a Principal Software Engineer to join our team and work on an innovative interior decor visualization platform.
You can become part of a team of over 300 experts in the AdTech domain by joining our Stellar team. What is Stellar? It’s a community, a network, and a dedicated business unit within Sigma Software that specializes in advertising technology solutions. Over the years, we’ve had the opportunity to work with some of the largest AdTech companies in the world. We’ve helped tons of AdTech startups transform from ideas into thriving businesses. Since 2008, we’ve been working with advertising technology businesses to help them envision, build, and support their technology.
Project
The project is an advanced interior decor visualization platform that allows customers to preview furniture and decor items in their home environment before purchasing. Imagine being in a store and instantly seeing how a sofa, carpet, or other items fit into your interior design — this solution makes it possible. The system integrates high-performance data pipelines, machine learning models, and visualization tools to deliver a seamless user experience.
Job Description
Lead cross-functional initiatives across multiple engineering teams
Drive the design and architecture of complex backend systems supporting large-scale 3D and computer vision experiences
Partner with product and engineering leadership to translate business needs into actionable engineering plans
Conduct architecture reviews and ensure adherence to engineering excellence practices
Mentor senior engineers, fostering technical growth and leadership skills
Ensure backend systems are scalable, reliable, and fault-tolerant
Oversee integration of high-throughput ETL flows and data processing pipelines
Collaborate closely with frontend and 3D teams to deliver seamless user experiences
Qualifications
8+ years of IT experience building scalable and reliable systems
Expert-level skills in Python, Kubernetes, PostgreSQL, AWS
Strong hands-on experience with Django
Proven expertise in complex ETL flows and high-throughput systems
Deep understanding of algorithms, data structures, networking, and databases
Experience designing fault-tolerant systems at scale
Advanced level of English
Would be a Plus
Background in computer vision or 3D graphics
Familiarity with microservices architecture
Experience with real-time rendering systems
Knowledge of CI/CD pipelines and DevOps practices
Additional Information
Personal Profile
Strong leadership and mentorship skills
Strategic thinker with an ownership mindset
Excellent communication and collaboration abilities
Passion for innovation and engineering excellenceAdaptability to fast-paced project environments
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