Benefits:

• Comprehensive medical, dental, and vision insurance

• Flexible Spending Account (FSA), Health Savings Account (HSA

• Expert Healthcare Guidance

• Retirement savings

• 15 company holidays each year 15 days of personal time off each year Flex Commuter Benefits Daily lunch and dinner on Chalk Office is fully-stocked with drinks and snacks to fuel your work day. Staying late? Dinner is on us Staying even later? Grab an Uber / Lyft home on Chalk

Education Requirements:

• Bachelor's Degree in Computer Science

Responsibilities:

• Showcase Chalk's product through documentation of example products and use cases

• Foster engagement within the developer community via online platforms

• Serve as a primary contact and cultivate expertise in ML infrastructure

Benefits:

• Competitive salary, equity, and spot bonuses.

• Paid sick leave.

• Latest MacBook Pro for your work.

• Comprehensive health insurance.

• Paid parental leave.

Experience Requirements:

• 4+ years of experience in data engineering, with a focus on building large-scale data systems. In-depth knowledge of ELT processes and Lakehouse architecture.

• Data Pipelines: Expertise in Python and Scala for data pipeline development. Proven experience with Apache Spark and Databricks for big data processing and analytics.

• Hands-on experience with observability tools like Prometheus, Grafana, and ELK stack/OpenSearch.

• Experience with real-time streaming systems such as Kafka and Flink.

• Experience in working with large datasets and high-throughput data environments.

Other Requirements:

• Familiarity with cloud platforms like Azure, GCP, or AWS.

• Strong problem-solving skills and ability to work in fast-paced environments.

• Excellent communication and collaboration skills.

Responsibilities:

• Development and implementation of advanced data models to extract insights from complex datasets.

• Collaborate with cross-functional teams to devise data-driven solutions for service optimization.

• Conduct experiments and analyses to enhance service predictions and outcomes.

• Present findings and actionable recommendations to stakeholders, translating complex data insights into clear, understandable concepts.

• Mentor junior data scientists and foster a collaborative team environment.

Benefits:

• Competitive salary, equity, and spot bonuses.

• Paid sick leave.

• Latest MacBook Pro for your work.

• Comprehensive health insurance.

• Paid parental leave.

Experience Requirements:

• 6+ experience as a Data Scientist, with a focus on AI-driven environments.

• Expertise in data manipulation and analysis tools (e.g., Python, R, SQL).

• Extensive experience with machine learning frameworks and algorithms.

• Strong familiarity with both structured and unstructured data sources.

Other Requirements:

• Excellent problem-solving skills and the ability to communicate complex concepts effectively to non-technical stakeholders.

• A collaborative mindset and a passion for innovation, with a proven track record of leading projects to success.

Responsibilities:

• Development and implementation of advanced data models to extract insights from complex datasets.

• Collaborate with cross-functional teams to devise data-driven solutions for service optimization.

• Conduct experiments and analyses to enhance service predictions and outcomes.

• Present findings and actionable recommendations to stakeholders, translating complex data insights into clear, understandable concepts.

• Mentor junior data scientists and foster a collaborative team environment.

Benefits:

• Competitive salary, equity, and spot bonuses.

• Paid sick leave.

• Latest MacBook Pro for your work.

• Comprehensive health insurance.

• Paid parental leave.

Experience Requirements:

• 5+ years of experience in backend engineering or a similar role.

• Hand on experience in LLM , NLP

• Proficiency in programming languages such as Java, or Python

• Strong experience with database management systems (e.g., PostgreSQL, MongoDB) and data modeling.

• Familiarity with cloud services (e.g., AWS, Azure, GCP) and microservices architecture.

Other Requirements:

• Excellent problem-solving skills and the ability to communicate complex technical concepts effectively to diverse stakeholders.

• A collaborative mindset and a passion for innovation, with a proven track record of delivering high-quality projects.

Responsibilities:

• Lead the design, development, and maintenance of scalable backend systems and APIs that support our AI-driven platform.

• Collaborate with cross-functional teams to ensure seamless integration of backend services with frontend applications.

• Optimize system performance, reliability, and scalability through best practices and innovative solutions.

• Troubleshoot complex issues and implement solutions to improve application functionality and user experience.

• Mentor junior engineers, fostering a culture of knowledge sharing and continuous improvement.

Benefits:

• Competitive salary, equity, and performance bonuses

• Paid sick leave

• Latest MacBook Pro and best-in-class tools

• Comprehensive health insurance coverage

• Paid parental leave

Education Requirements:

• Bachelor's or Master’s degree in Computer Science, Artificial Intelligence, Machine Learning, or a related field from a Tier-1 institution

Experience Requirements:

• 4–7 years of experience in AI/ML development, including hands-on work with LLMs systems

• Demonstrated ability to take research concepts into production-grade systems

Other Requirements:

• Strong proficiency in Python and ML frameworks like TensorFlow or PyTorch

• Experience with Large Language Models (e.g., GPT, Claude, LLaMA) including prompt engineering and fine-tuning

• Hands-on knowledge of reinforcement learning, planning algorithms, and autonomous agent frameworks

• Familiarity with cloud platforms (AWS, Azure, GCP) and MLOps practices

• Strong understanding of AI pipelines, API development, and system integration

Responsibilities:

• Design and build AI agents that autonomously plan and perform complex tasks using LLMs, reinforcement learning, and symbolic Machine Learning & NLP: Develop and fine-tune NLP models for natural language understanding, contextual decision-making, and conversational

Benefits:

• Competitive salary

• meal and eco vouchers

• benefits package

• 2 home working days/week

• opportunities for professional growth and development at a dynamic startup

Education Requirements:

• Bachelor’s in Business Administration, Automotive Engineering, or related field

• Advanced degrees or certifications in software or automotive fields preferred.

Experience Requirements:

• Knowledge in sales strategies, relationship-building, and automotive industry trends.

• Proficiency in selling software to enhance productivity and manage client relations.

Other Requirements:

• Excellent communication skills in English, with French and German proficiency desirable.

• Strong organizational, problem-solving skills, and a proven track record in the automotive sector.

• comfortable traveling

Responsibilities:

• Market Research: Identify new opportunities in the automotive industry.

• Lead Generation: Use cold calling, email campaigns, and industry events to connect with potential customers.

• Sales Strategy: Develop engaging sales presentations for automotive customers, showcasing how our software addresses industry-specific challenges. Handle contract negotiations with knowledge of automotive regulations.

• Strategic Planning: Formulate strategies to enter and grow in the automotive market. Set targets, forecast sales, and define KPIs for measuring success in software sales.

• Customer Engagement: Understand automotive customers’ needs to offer solutions that enhance their operations and product development.

Benefits:

• Maternity

• Referral program

• Flexible working hours

• Remote work

Benefits:

• Maternity

• Referral program

• Flexible working hours

• Remote work

Benefits:

• Maternity

• Referral program

• Flexible working hours

• Remote work

Benefits:

• Maternity

• Referral program

• Flexible working hours

• Remote work

Benefits:

• Maternity

• Referral program

• Flexible working hours

• Remote work

Benefits:

• Training programs from Google Partner Advantage Program

• Proper exposure to the world of AI LLMs and #GenAI

• Close cooperation on developing AI solutions with Google teams

• Private Medical insurance (Poland only)

• A multisport card (Poland only)

Experience Requirements:

• Seasoned generic software development skills

• Cloud solutions development (AWS, GCP)

• Proficiency in Node.js and Typescript

• Microservice architecture

• Proficient handling of SQL and NoSQL databases

Other Requirements:

• Good command of spoken and written English

• Willingness to be a part of high performing team

• Desire to take lead and drive projects autonomously

• Exceptional problem solving

Responsibilities:

• designing and implementing comprehensive cloud solutions that meet our clients’ complex needs

Education Requirements:

• Bachelor’s degree in a technical field (e.g. Computer Science or Engineering) or equivalent experience

Experience Requirements:

• 5+ years of experience in at least one modern framework React / Angular / Vue (At least 1 year in React is a must)

Other Requirements:

• Significant experience in Backend development in Python/Go/Node/Ruby (Python is a definite advantage)

• Passionate about code design, high-quality code, and code reviews, optimizing and challenging the status quo

• Deep knowledge and experience in state management libraries such as Redux or MobX.

• Excellent written and verbal communication skills

• Proactive by nature, internal drive for excellence and improvement

• Very high English proficiency

• Experienced in TypeScript

• Experienced in Plotly Dash apps

Responsibilities:

• Design and build scalable, flexible solutions for both customer-facing and internal platforms.

• Own features end to end, from identifying user needs to data design, backend, API development, and UI implementation.

• Help shape the architecture to ensure performance, security, and maintainability at scale.

Education Requirements:

• Bachelor’s degree in a technical field (e.g. Computer Science or Engineering) or equivalent experience

Experience Requirements:

• 5+ years of experience in at least one modern framework React / Angular / Vue (At least 1 year in React is a must)

Other Requirements:

• Significant experience in Backend development in Python/Go/Node/Ruby (Python is a definite advantage)

• Passionate about code design, high-quality code, and code reviews, optimizing and challenging the status quo

• Deep knowledge and experience in state management libraries such as Redux or MobX.

• Excellent written and verbal communication skills

• Proactive by nature, internal drive for excellence and improvement

• Very high English proficiency

• Experienced in TypeScript

• Experienced in Plotly Dash apps

Responsibilities:

• Design and build scalable, flexible solutions for both customer-facing and internal platforms.

• Own features end to end, from identifying user needs to data design, backend, API development, and UI implementation.

• Help shape the architecture to ensure performance, security, and maintainability at scale.

Education Requirements:

• BTech/MTech in Computer Science or ECE.

Experience Requirements:

• 8+ years experience with C/C++11 with strong fundamentals in concurrent coding.

Other Requirements:

• Highly skilled in using debugging tools like gdb, valgrind, WinDbg, address sanitizer, or similar.

• Demonstrated ability in debugging under high-pressure, customer-facing situations.

• Familiarity with security protocols like TSL/RSA is preferred.

Responsibilities:

• Design and develop the application and system software for a cutting-edge AI silicon

• Ability to work in a fast-paced environment collaborating with various teams locally and globally

• A passion for problem-solving and the ability to consider the bigger picture during feature development

Education Requirements:

• BTech/MTech in CS or ECE.

Experience Requirements:

• 4+ years’ experience in Linux PCIe and USB kernel and/or userspace drivers.

Other Requirements:

• Strong fundamentals in C/C++ and OS internals

• Proficiency in kernel space debugging using tools like printk, kgdb, ftrace, or similar.

Responsibilities:

• Design and develop PCIe and USB drivers for AI chipsets, ensuring performance and reliability

• Maintain clear communication in understanding the hardware subsystems and internals to identify possible solutions for a given problem

• Optimize data path efficiency and minimize latency.

Benefits:

• Competitive salary and benefits

• Performance-based bonuses

• Help with relocation, if it is the case

• Offices in downtown Prague, 34 seconds from Metro B, Karlovo namesti

• Full remote work possibility Flexible working hours 5 weeks of vacation

Experience Requirements:

• Prior demonstrated hands-on experience with functional programming language, such as Scala (preferred), Ocaml, Haskell, Erlang, Lisp etc (deeper knowledge is appreciated: Monads, Generalized algebraic data types, Subtyping and type variance)

• At least basic knowledge of: Linux (scripting tools, standard tools, Git,..), SQL DB (how different index types work), data structures and algorithms

Responsibilities:

• Developing an internal framework for massive data stream processing / analysis (in-memory computing engine and our distributed database)

• Distributed algorithms for real-time data processing

• Autonomous AI system, itself managing performance parameters of running advertising campaigns based on many external factors

• Low latency analysis for advertising personalization