Principal Software Engineer | Distributed Systems & ML Infra

Join a cutting-edge AI and Computer Vision team transforming sports analysis, broadcast, and fan engagement. As a Principal Software Engineer, you’ll architect and build the core infrastructure that turns computer vision models into scalable, production-ready systems. You’ll work hands-on daily, designing both batch pipelines and real-time streaming systems, and shaping the technical strategy that powers live match augmentation and analytics products.

Tech Stack & Focus: Python, Kubernetes, Docker, GPU orchestration, cloud-native infrastructure, batch & streaming pipelines, ML system deployment

📍 Hybrid: Warsaw, Poland – 2–3 days per week
💰 Compensation: 33,000–40,000 PLN/month + benefits

Join a cutting-edge AI and Computer Vision team transforming sports analysis, broadcast, and fan engagement. As a Cloud Infrastructure Staff Engineer, you’ll design and scale the multi-cluster orchestration layer that powers a real-time computer vision platform, handling hundreds of soccer matches per month with GPU-intensive workloads. This is a high-autonomy role where you’ll transform operational bottlenecks into automated, reliable systems that serve global sports organizations.

Tech Stack & Focus: GKE, multi-cluster Kubernetes, GPU infrastructure, Argo Workflows, Pulumi, cloud-native systems, real-time pipelines

📍 Hybrid: Warsaw, Poland - 2–3 days per week
💰 Compensation: 35,000-40,000 PLN/month + benefits

Join an early-stage, product-driven startup building real-time AI that guides sales reps during live customer conversations. As a Mid-Senior Full-Stack Engineer, you’ll own features end-to-end, from responsive React interfaces to scalable backend services on AWS. You’ll work closely with founders to shape product architecture, build real-time systems, and solve complex problems in a fast-moving startup environment.

Tech Stack & Focus: TypeScript, React, AWS, Docker, Linux, real-time APIs, cloud-native services

📍 Remote (Poland) – optional monthly meetups in Poznań
💰 Compensation: Competitive salary + equity + benefits

Join an early-stage, product-driven startup building real-time AI that guides sales reps during live customer calls. As a Senior AI Engineer / Scientist, you’ll shape the intelligence behind our platform: from reasoning over live conversations to orchestrating prompts, retrieving knowledge, and structuring playbooks. You’ll bridge research-quality thinking with production-grade execution, collaborating closely with founders and engineers on models, evaluation, and AI system design.

Tech Stack & Focus: Python, TypeScript/JavaScript, LLMs, AI/ML experimentation, prompt orchestration, knowledge retrieval, real-time systems

📍 Remote (Poland) – optional monthly meetups in Poznań
💰 Compensation: Competitive salary + equity + benefits

Join a fast-growing AI startup building a platform that transforms real-world spaces into interactive 3D digital twins. As an Infrastructure Engineer, you’ll design and scale the systems that power their AI - from GPU compute clusters to distributed microservices - working closely with a sharp 14-person team of engineers.

Tech Stack: AWS, Kubernetes, Terraform, Pulumi, Docker, Git, Linux, Python/JS/C++

📍 Hybrid: Düsseldorf / Aachen, Germany
💰  Compensation: 60,000 - 100,000 EUR + stock options + benefits

Join a cutting-edge startup building secure, privacy-first data collaboration tools using next-gen tech. You’ll craft beautiful, responsive UIs with React + Joy UI, integrate GraphQL/REST APIs, and solve complex state management challenges for data-intensive applications.

Tech Stack: TypeScript, React, GraphQL, HTML5, CSS3, Python with the opportunity to learn Rust.

📍 Location: Zurich or remote (±4h CET)
💰 Compensation: up to CHF 130k + shares + benefits

A Berlin-based cybersecurity startup specializing in data security and privacy-preserving solutions is looking for a Lead Security Engineer to join their team.

• Opportunity to work with cutting-edge, cloud-native security technologies.
• High levels of ownership and autonomy in your role.
• The product you develop is at the forefront of confidential cloud and AI, making it possible to leave a huge footprint in the engineering community.

Tech: Golang, Node.js, TypeScript, MongoDB, Redis, gRPC, Kubernetes, Docker, Terraform, AWS/Azure/GCP

Requirements:

• Bachelor’s degree in Computer Science (or a related field).
• 8+ years of software engineering experience, ideally in the development of cloud-native applications or key management solutions.
• Proven experience in leading software development teams.
• Strong proficiency in Golang

📍 Hybrid - Berlin

💰 Compensation: 80,000 - 100,000 EUR + other bens

A Berlin-based cybersecurity startup specializing in data security and privacy-preserving solutions is looking for a Lead Platform Engineer to join their team.

• Opportunity to work with cutting-edge, cloud-native security technologies.
• High levels of ownership and autonomy in your role.
• The product you develop is at the forefront of confidential cloud and AI, making it possible to leave a huge footprint in the engineering community.

Tech: Node.js, TypeScript, Golang, MongoDB, Redis, gRPC, Kubernetes, Docker, Terraform, AWS/Azure/GCP

Requirements:

• Bachelor’s degree in Computer Science (or a related field).
• 8+ years of software engineering experience, ideally in the development of cloud-native applications or key management solutions.
• Proven experience in leading software development teams.
• Strong proficiency in TypeScript

📍 Hybrid - Berlin

💰 Compensation: 80,000 - 100,000 EUR + other bens

We’re looking for experienced Data Engineers skilled in Python, SQL, Azure, and Databricks to join a leading data consultancy. The company supports many high-profile customers worldwide, delivering projects related to Analytics, Data Engineering, Cloud, AI, and Machine Learning.

Tech: Python, SQL, Azure Databricks, Azure DevOps, Kafka, Dagster / Airflow / ADF, Docker, Terraform.

As a Data Engineer, you will be responsible for developing data platforms on standard infrastructure. Your role will include designing, building, and maintaining data architectures, tools, and processes to support clients in the collection, storage, manipulation, and analysis of large datasets.

📍 Remote - Poland

💰 Compensation - 75,000 - 96,000 EUR (DOE) B2B contract 

We partnered with an exciting tech company that provides cross-device technology to improve digital advertising and user analytics, who are looking to add a couple of Software Engineers (Mid and Senior) to their team. 

It’s an opportunity to dive deeper into advanced technologies, using client’s Machine Learning algorithm to analyze dozens of terabytes of data daily and predict device profiles for hundreds of millions of people.

Tech: Scala, Clojure, AWS, Apache Kafka, Apache Spark, Redis, Avro, Apache Parquet, Hadoop, Akka, Spray, JavaScript.

Requirements: 

• Ability to design and implement highly scalable systems for low latency, high throughput request processing. 
• Write good quality and high performant, unit tested code. 
• Good understanding of computer architecture, algorithms complexity, data structures and their properties.
• Practical experience with AWS.
• Advanced experience with Scala programming language and some exposure to Clojure

📍 Remote - Poland

💰 Compensation: 60,000 - 80,000 EUR (DOE) + other bens

We’re looking for an experienced SysAdmin / DevOps Specialist who can take full ownership of the configuration, maintenance, and updating of hundreds of servers in our clients' clusters. You will also help design and implement scalable and highly available systems, ensuring the uninterrupted operation of the administered systems.

It's an opportunity to play an active role in shaping the digital advertising market in Europe and the future of the company, as well as diving deeper into advanced technologies. Software Engineers use our clients' Machine Learning algorithms to analyze dozens of terabytes of data daily and predict device profiles for hundreds of millions of people.

Tech: Linux OS, AWS, Chef, Puppet, Ansible, Bash, Python. Optional: Apache Parquet, Hadoop, Akka, Spray.

Requirements:

• Deep understanding of Linux OS at an advanced level.
• Practical experience with AWS.
• Knowledge of Bash, Python, Go, or other scripting languages.
• Practical experience with Chef, Puppet, or Ansible.
• Most importantly, a problem-solving attitude and a love for automating things.

📍 Remote - Poland

💰 Compensation: 60,000 - 90,000 EUR (DOE) + other bens