Posted on:May 26, 2026

Closed on:September 14, 2026

Senior Python Engineer at Planner5D

Planner5D is hiring a Senior Python Engineer in Madrid, Spain +6 more. Remote.

About Planner5D

Planner5D is a home design software platform. It provides tools for creating floor plans, designing 3D home interiors, and decorating and furnishing spaces, with AI-powered features and realistic 4K renders. The platform is intended for homeowners and professionals and is used by over 100 million users in 230 territories.

Senior Python Engineer job description

About us:

Planner 5D is a global hub for home design, uniting over 100+ million users in 230 territories around our planet (yes, we have 2 users connecting from Antarctica each month!). Our platform simplifies the home renovation process from concept to execution, and this process has never been more straightforward with our cutting-edge software. You don't need to be a professional designer to enhance your home or workspace. We are dedicated to streamlining the design experience, making the customization of dream homes accessible to everyone.

Our cross-platform presence spans Web, iOS, Android, Windows, and MacOS, ensuring seamless synchronization for our users. Planner 5D is more than just software; it's a vibrant community of enthusiastic and product-oriented professionals. From diverse backgrounds, our team collaborates across time zones, fueled by a shared passion to revolutionize the home design market.

We are constantly looking for like-minded talent eager to take ownership and drive innovation within our expanding suite of tools. Join us in shaping the future of home design.

At Planner 5D we are searching for a Senior Python Engineer who will join our team and will be building production-ready systems that directly support our product.

Responsibilities:

Design, build, and maintain scalable services that support the AI lifecycle, working closely with the research team to translate cutting-edge ideas into production-ready solutions

Develop tools for pre/post-processing data for AI and other usage

Develop tools for collecting and processing data

Design scalable pipelines for data collection, processing, and transformation powering next-generation AI systems

Bring new models and features to production at scale with Triton Inference Server, ONNX, and TensorRT

Work across the spectrum from rapid MVPs and experimental prototypes to robust, long-term production-grade solutions

Work closely with ChatGPT API, LangChain

Required knowledge of:

Proficient in Python as the primary language with strong problem-solving and analytical skills

Demonstrated ability to design, deploy, and manage scalable backend platforms in production

Understanding Docker and Kubernetes concepts

Practical experience managing challenges throughout the AI/ML lifecycle, from deployment and orchestration to model management

Ability to translate complex business domains into software models using Domain-Driven Design, supported by SOLID and clean coding practices

Ability to adapt quickly, learn new tools, and work independently on complex problems

Computer Science or Math degree

English Intermediate+

Would be a plus:

Experience with algorithms, data structures and graphs

Knowledge of other programming languages (e.g., Kotlin, Java)

Deep experience in mathematics (especially linear algebra), geometry, computer vision

Understanding of 2D / 3D technologies and software (for example OpenGL, WebGL, Raytracing, Blender)

What we offer:

- Great work environment that balances freedom and responsibility

- Our team is made up of friendly and passionate enthusiasts who are eager to help and share their knowledge

- We believe in work-life balance, so you'll receive around 30+ days of paid holidays per year

- Company computer equipment by request

- Education courses for our team members, and we're willing to allocate funds toward your training expenses

- English classes on our corporate platform

- Offline company events in Lithuania and online team-building

- Unlimited free Planner5D subscriptions

Apply now

Applications go straight to Planner5D. We never sit between you and the employer.

Applications closed