Senior Data Platform Engineer (Remote)

Crystal Intelligence
Full_time

📍 Job Overview

  • Job Title: Senior Data Platform Engineer (Remote)
  • Company: Crystal Intelligence
  • Location: Prague, Czech Republic
  • Job Type: Full-Time, Remote
  • Category: Backend Developer, DevOps Engineer
  • Date Posted: 2025-05-27
  • Experience Level: 10+ years
  • Remote Status: Remote (Europe)

🚀 Role Summary

  • 📝 Enhancement Note: This role involves integrating blockchain technologies and data pipelines, requiring a strong backend engineer with a focus on data processing and a willingness to learn about blockchain technologies.

  • Lead the development and maintenance of Crystal's data collection and processing framework to integrate new chains.

  • Collaborate with the Blockchain team to integrate blockchains, Automated Market Maker (AMM) protocols, and bridges within Crystal's platform.

  • Participate in end-to-end feature designing, implementation, and delivery, ensuring continuous improvement and innovation.

💻 Primary Responsibilities

  • 📝 Enhancement Note: The role requires a mix of backend development, data pipeline management, and blockchain integration skills.

  • API Development & Integration:

    • Develop and maintain backend services and APIs using Python and API frameworks like Flask or FastAPI.
    • Integrate new technologies into Crystal's processes and tools.
  • Data Pipeline Management:

    • Actively participate in the development and maintenance of data pipelines and backend services.
    • Ensure data quality, reliability, and timely processing.
  • Blockchain Integration:

    • Integrate blockchains, AMM protocols, and bridges within Crystal's platform.
    • Stay up-to-date with blockchain technologies and adapt to new developments.
  • Code Review & Collaboration:

    • Provide code review, assistance, and feedback for other team members.
    • Foster a collaborative work environment and share knowledge with the team.

🎓 Skills & Qualifications

Education:

  • 📝 Enhancement Note: A Bachelor's degree in Computer Science, Engineering, or a related field is typically required for this role.

  • Bachelor's degree in Computer Science, Engineering, or a related field.

Experience:

  • 📝 Enhancement Note: Candidates should have over 8 years of experience in developing Python backend services and APIs.

  • 8+ years of experience developing Python backend services and APIs.

Required Skills:

  • Python & API Frameworks:

    • Proven expertise in Python and API frameworks such as Flask or FastAPI.
    • Strong knowledge of Python's POSIX/Unix/Linux ecosystem.
  • SQL & Data Warehousing:

    • Advanced knowledge of SQL, with the ability to write, understand, and debug complex queries.
    • Familiarity with data warehousing and database basic architecture principles.
  • Docker & PostgreSQL:

    • Experience with Docker containers and proven ability to migrate existing services.
    • Experience with PostgreSQL database systems.
  • Unit Testing & Blockchain:

    • Knowledge of unit testing principles.
    • Knowledge about blockchain technologies or willingness to learn.
  • Independent & Team-Oriented:

    • Independent and autonomous way of working.
    • Team-oriented work and good communication skills.

Preferred Skills:

  • Big Data & Infrastructure as Code:

    • Practical experience in big data and frameworks – Kafka, Spark, Flink, Data Lakes, and Analytical Databases such as ClickHouse.
    • Knowledge of Kubernetes and Infrastructure as Code – Terraform and Ansible.
  • Java & Distributed Systems:

    • Experience with Java or willingness to learn.
    • Experience with distributed systems and open-source solutions.
  • Passion for Blockchain:

    • Passion for Bitcoin and Blockchain technologies.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • 📝 Enhancement Note: A strong portfolio showcasing backend development projects, data pipeline management, and any experience with blockchain technologies is crucial for this role.

  • Highlight your experience with Python, API development, and data processing in your portfolio.

  • Include examples of your work integrating new technologies and managing data pipelines.

  • Demonstrate your ability to collaborate with teams and provide code reviews.

Technical Documentation:

  • 📝 Enhancement Note: Include technical documentation showcasing your understanding of data warehousing principles, SQL queries, and any experience with blockchain technologies.

  • Document your approach to unit testing, debugging, and code optimization.

  • Explain your experience with Docker and any other relevant technologies.

  • Describe your problem-solving methods and how you approach integrating new technologies.

💵 Compensation & Benefits

Salary Range:

  • 📝 Enhancement Note: Based on market research, the estimated salary range for a Senior Data Platform Engineer in Prague is approximately 150,000 - 200,000 CZK per month (gross). This range takes into account the candidate's experience level and the role's requirements.

  • 📝 Enhancement Note: The provided salary range is an estimate and should be verified with the hiring organization.

  • 150,000 - 200,000 CZK per month (gross)

Benefits:

  • 📝 Enhancement Note: Benefits information was not provided in the original job listing. It is recommended to research Crystal Intelligence's benefits package or inquire about it during the application process.

  • To be determined based on research or inquiry with the hiring organization.

Working Hours:

  • 40 hours per week, with flexibility for project deadlines and maintenance windows.

🎯 Team & Company Context

🏢 Company Culture

Industry:

  • Crystal Intelligence operates in the blockchain and cryptocurrency industry, focusing on data collection, processing, and analysis for blockchain networks.

Company Size:

  • Crystal Intelligence is a growing company, allowing for significant influence and growth opportunities for the right candidate.

Founded:

  • Crystal Intelligence was founded in 2017, with a mission to provide real-time, accurate, and reliable data for blockchain networks.

Team Structure:

  • The Blockchain team consists of experienced engineers, data scientists, and researchers, working collaboratively to develop and maintain Crystal's data collection and processing framework.

Development Methodology:

  • Crystal Intelligence employs Agile methodologies, with a focus on continuous improvement, innovation, and customer satisfaction.

Company Website: crystalintelligence.com

📈 Career & Growth Analysis

Web Technology Career Level:

  • This role is at the senior level, requiring a high degree of technical expertise, leadership, and mentoring skills.

Reporting Structure:

  • The Senior Data Platform Engineer will report directly to the Blockchain Team Lead and collaborate with other teams, such as Data Science and Research.

Technical Impact:

  • The role involves significant technical influence, as the Senior Data Platform Engineer will lead the development and maintenance of Crystal's data collection and processing framework.

Growth Opportunities:

  • 📝 Enhancement Note: With Crystal Intelligence's growth and expanding product offerings, there are ample opportunities for career progression, technical skill development, and leadership roles.

  • Technical Growth: Expand your expertise in blockchain technologies, big data, and infrastructure as code.

  • Leadership Development: Grow into a technical leadership role, mentoring junior engineers and driving team-wide initiatives.

  • Architecture Decisions: Influence the architecture and design of Crystal's data processing framework, ensuring scalability, performance, and reliability.

🌐 Work Environment

Office Type:

  • Crystal Intelligence operates a remote-first work environment, with team members located across Europe.

Office Location(s):

  • The company's headquarters are in Prague, Czech Republic, but the role is open to remote candidates based in Europe.

Workspace Context:

  • 📝 Enhancement Note: As a remote-first company, Crystal Intelligence values asynchronous communication, clear documentation, and regular team check-ins to foster a collaborative work environment.

  • Remote Work: Crystal Intelligence offers a flexible, remote work environment, allowing employees to balance their personal and professional lives.

  • Collaboration Tools: The company uses collaboration tools such as Slack, GitHub, and Jira to facilitate communication, code reviews, and project management.

  • Work-Life Balance: Crystal Intelligence encourages a healthy work-life balance, with flexible working hours and a focus on results rather than face time.

Work Schedule:

  • 📝 Enhancement Note: The work schedule is flexible, with a focus on delivering results and maintaining open lines of communication with the team.

  • Core Hours: Employees are expected to be available during core hours, typically between 10:00 and 16:00 CET, to facilitate team communication and collaboration.

  • Flexible Hours: Outside of core hours, employees are free to manage their time as needed to complete their work and maintain a healthy work-life balance.

📄 Application & Technical Interview Process

Interview Process:

  • 📝 Enhancement Note: The interview process is designed to assess the candidate's technical skills, problem-solving abilities, and cultural fit within the Crystal Intelligence team.

  • Screening Call (30 minutes): A brief call to discuss the candidate's background, motivations, and expectations for the role.

  • Technical Deep Dive (60 minutes): A detailed discussion of the candidate's technical skills, experience, and approach to data processing, API development, and blockchain integration.

  • Team Fit & Culture (30 minutes): An open conversation with team members to assess the candidate's communication skills, team fit, and cultural alignment with Crystal Intelligence's values.

  • Final Decision (TBD): A decision will be made based on the candidate's performance throughout the interview process and their potential fit within the team.

Portfolio Review Tips:

  • 📝 Enhancement Note: A strong portfolio showcasing relevant projects, data pipeline management, and blockchain integration experience is crucial for this role.

  • Project Case Studies: Highlight your experience with Python, API development, and data processing in your portfolio.

  • Code Quality: Demonstrate your ability to write clean, efficient, and well-documented code.

  • Problem-Solving: Showcase your problem-solving skills and how you approach integrating new technologies and managing data pipelines.

Technical Challenge Preparation:

  • 📝 Enhancement Note: The technical challenge will focus on assessing the candidate's data processing, API development, and problem-solving skills.

  • Data Pipeline Challenge: Develop a data pipeline using Python and relevant libraries to process and analyze a given dataset.

  • API Development Challenge: Design and implement an API using Flask or FastAPI to expose the data pipeline's functionality.

  • Problem-Solving Challenge: Solve a complex problem related to data processing, API development, or blockchain integration, demonstrating your ability to think critically and find innovative solutions.

ATS Keywords:

  • 📝 Enhancement Note: Include relevant keywords throughout your resume and portfolio to optimize your application for Applicant Tracking Systems (ATS).

  • Programming Languages: Python, SQL, Java

  • Web Frameworks: Flask, FastAPI

  • Databases: PostgreSQL, ClickHouse

  • Big Data: Kafka, Spark, Flink, Data Lakes

  • Infrastructure as Code: Terraform, Ansible, Kubernetes

  • Blockchain: Bitcoin, Blockchain, Smart Contracts, AMM

  • Soft Skills: Problem-solving, Teamwork, Communication, Leadership

🛠 Technology Stack & Web Infrastructure

Backend & Server Technologies:

  • Python: Python is the primary programming language used for backend services and APIs at Crystal Intelligence.
  • API Frameworks: Flask and FastAPI are used for developing APIs, enabling efficient and scalable backend services.
  • SQL: Crystal Intelligence uses SQL for data storage, processing, and analysis, with a focus on advanced querying and optimization techniques.
  • PostgreSQL: PostgreSQL is the primary database system used at Crystal Intelligence, providing robust and reliable data storage for the company's data processing framework.

Data Processing & Pipeline Tools:

  • Big Data: Crystal Intelligence uses big data tools such as Kafka, Spark, Flink, and Data Lakes to process and analyze large datasets efficiently.
  • Analytical Databases: ClickHouse is used for analytical queries and real-time data processing, enabling Crystal Intelligence to extract insights from its data collection and processing framework.

Infrastructure as Code:

  • Terraform: Terraform is used for infrastructure as code, enabling automated deployment and management of Crystal Intelligence's infrastructure.
  • Ansible: Ansible is used for configuration management, ensuring consistent and reliable infrastructure across Crystal Intelligence's environments.
  • Kubernetes: Kubernetes is used for container orchestration, enabling Crystal Intelligence to manage and scale its applications efficiently.

👥 Team Culture & Values

Web Development Values:

  • 📝 Enhancement Note: Crystal Intelligence values innovation, collaboration, and continuous learning, with a strong emphasis on data-driven decision-making and customer satisfaction.

  • Innovation: Crystal Intelligence encourages its team members to explore new technologies, tools, and approaches to drive innovation and improvement.

  • Collaboration: Crystal Intelligence fosters a collaborative work environment, with regular team check-ins, code reviews, and knowledge-sharing sessions.

  • Data-Driven: Crystal Intelligence emphasizes data-driven decision-making, with a focus on extracting insights from its data collection and processing framework to improve its products and services.

Collaboration Style:

  • 📝 Enhancement Note: Crystal Intelligence employs a remote-first, asynchronous collaboration style, with a focus on clear communication, documentation, and regular team check-ins.

  • Asynchronous Communication: Crystal Intelligence values asynchronous communication, enabling team members to work independently and collaborate effectively, regardless of time zones.

  • Clear Documentation: Crystal Intelligence emphasizes clear and concise documentation, ensuring that knowledge is shared effectively and efficiently across the team.

  • Regular Team Check-ins: Crystal Intelligence schedules regular team check-ins to discuss progress, address any challenges, and maintain open lines of communication.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • 📝 Enhancement Note: The role presents several technical challenges, requiring the candidate to integrate new technologies, manage data pipelines, and stay up-to-date with blockchain developments.

  • Blockchain Integration: Integrate new blockchains, AMM protocols, and bridges within Crystal's platform, requiring a strong understanding of blockchain technologies and their underlying principles.

  • Data Pipeline Management: Develop and maintain data pipelines and backend services, ensuring data quality, reliability, and timely processing.

  • Emerging Technologies: Stay up-to-date with emerging technologies in the blockchain and data processing domains, and adapt Crystal's framework to incorporate new tools and approaches.

Learning & Development Opportunities:

  • 📝 Enhancement Note: Crystal Intelligence offers numerous learning and development opportunities, enabling team members to expand their technical skills and advance their careers.

  • Technical Skill Development: Expand your expertise in Python, SQL, big data, and infrastructure as code, with opportunities to learn new tools and technologies as they emerge.

  • Conference Attendance: Crystal Intelligence encourages team members to attend industry conferences and events, providing opportunities to network with peers, learn from experts, and stay up-to-date with the latest developments in the blockchain and data processing domains.

  • Technical Mentorship: Crystal Intelligence offers technical mentorship programs, enabling team members to learn from experienced engineers and grow their skills and careers.

💡 Interview Preparation

Technical Questions:

  • 📝 Enhancement Note: Technical interview questions will focus on the candidate's data processing, API development, and problem-solving skills, as well as their understanding of blockchain technologies.

  • Data Processing & SQL:

    • Explain your approach to data processing, with a focus on efficiency, reliability, and scalability.
    • Describe your experience with SQL and how you approach complex queries and data optimization.
  • API Development & Python:

    • Discuss your experience with Python and API development, with a focus on Flask or FastAPI.
    • Explain your approach to designing and implementing APIs, with a focus on performance, security, and scalability.
  • Blockchain & Problem-Solving:

    • Describe your understanding of blockchain technologies and their underlying principles.
    • Present a complex problem related to data processing, API development, or blockchain integration, and explain your approach to solving it.

Company & Culture Questions:

  • 📝 Enhancement Note: Company and culture interview questions will focus on the candidate's communication skills, team fit, and cultural alignment with Crystal Intelligence's values.

  • Communication Skills:

    • Explain your approach to communication, with a focus on clarity, conciseness, and active listening.
    • Describe your experience working in a remote, asynchronous collaboration environment, and how you maintain open lines of communication with your team.
  • Team Fit & Culture:

    • Explain how your personal values and workstyle align with Crystal Intelligence's company culture and team dynamics.
    • Describe your experience working in a collaborative, data-driven environment, and how you contribute to a positive and productive team culture.

Portfolio Presentation Strategy:

  • 📝 Enhancement Note: A strong portfolio presentation strategy is crucial for showcasing the candidate's technical skills, problem-solving abilities, and cultural fit within the Crystal Intelligence team.

  • Live Demonstration: Prepare a live demonstration of your portfolio, highlighting your experience with Python, API development, data processing, and blockchain integration.

  • Code Walkthrough: Prepare a detailed code walkthrough, explaining your approach to designing, implementing, and optimizing your portfolio projects.

  • Problem-Solving Demonstration: Prepare a demonstration of your problem-solving skills, explaining how you approach complex challenges and find innovative solutions.

📌 Application Steps

To apply for this Senior Data Platform Engineer (Remote) position:

  • 📝 Enhancement Note: Follow these concrete preparation steps to optimize your application, resume, and interview performance.

  • Application Link: Submit your application through the application link provided in the job listing.

  • Portfolio Customization: Customize your portfolio to highlight your experience with Python, API development, data processing, and blockchain integration, with a focus on responsive design and performance optimization.

  • Resume Optimization: Optimize your resume for web technology roles, with a focus on project highlighting, technical skills emphasis, and relevant keywords for Applicant Tracking Systems (ATS).

  • Technical Interview Preparation: Prepare for the technical interview by reviewing the technology stack, practicing coding challenges, and brushing up on your blockchain knowledge.

  • Company Research: Research Crystal Intelligence's company culture, team dynamics, and data processing framework, with a focus on extracting insights from the company's data collection and processing framework to improve its products and services.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Candidates must have over 8 years of experience in developing Python backend services and APIs, along with advanced SQL knowledge and familiarity with the POSIX/Unix/Linux ecosystem. Experience with Docker, PostgreSQL, and a willingness to learn about blockchain technologies are also required.