Lead Full-Stack/Backend Engineer

Lead Full-Stack/Backend Engineer

About Us

Greenland Commodities is a science & technology based, fast-paced trading house located in the heart of Europe – Prague. We unite international trading experience with cutting-edge science and technology, powered by a team of well-educated experts. Our trading desks cover a variety of products – mainly power, gas, oil, coal, and certificates – across 20 countries and 12 energy exchanges.

Position Overview

We are seeking a highly motivated Lead Full-Stack/Backend Engineer to drive the design, development, and optimization of our data systems and user-facing applications. In this strategic role, you will lead technical projects that span robust backend architectures and modern frontend interfaces, ensuring efficient data processing and an exceptional user experience. You will collaborate closely with traders, fellow engineers, and mentor junior team members as you help shape the technical future of our commodity trading platforms.

Key Responsibilities

• Backend Architecture & Data Processing
  • Develop, maintain, and optimize complex data architectures including databases (e.g., Vertica, PostgreSQL, Redis) and large-scale processing systems.
  • Oversee the design and implementation of data pipelines, workflow management, and ETL systems to ensure data accuracy, completeness, and uniformity.
  • Collaborate with data scientists to feed machine learning algorithms and analytical reports, enhancing decision-making processes.
• Full-Stack Development & Frontend Integration
  • Architect and build scalable, high-performance backend services and APIs that seamlessly integrate with modern frontend applications.
  • Design, develop, and test UI components for web and mobile platforms using frameworks such as or React.
  • Ensure technical feasibility of UI/UX designs, optimize for maximum speed and scalability, and implement real-time data visualization (using Charting or and WebSockets).
• Leadership & Collaboration
  • Lead technical projects by mentoring team members, conducting code reviews, and fostering a culture of continuous improvement.
  • Work cross-functionally with stakeholders and team members in a fast-paced environment to translate business and user needs into robust technical solutions.
• Performance & Quality Assurance
  • Establish and implement best practices to enhance system reliability, performance, and data quality.
  • Proactively identify process improvements and drive initiatives that optimize operational efficiency and cost management (especially within AWS environments).
    
    

Qualifications

Must-Have:

• Educational Background: Bachelor's degree in Computer Science, Engineering, or a related field (Master's degree is a plus).
• Experience: Minimum of 5 years in backend or full-stack development with a proven track record of leading technical projects, including 5 years of hands-on Python experience. Experience in the commodity trading sector is highly preferred.
• Backend Expertise:
  • Proficiency in designing and maintaining databases and data processing systems.
  • Strong programming skills in Python language and
  • Experience with cloud services, particularly AWS, including deployment, scaling, and cost management.
    
• Frontend & Full-Stack Skills:
  • Minimum 5 years of hands-on experience with modern frontend frameworks (e.g., or React).
  • Solid understanding of HTML, CSS, TypeScript, and real-time data visualization using charting libraries and WebSockets.
  • Familiarity with backend integration technologies such as python, , SQL, and version control systems (preferably Git).
• Leadership & Communication: Excellent verbal and written communication skills with demonstrated ability to lead and mentor teams.

Highly Preferred:

• Industry & Domain Expertise: Experience in commodity trading and a strong understanding of market dynamics.
• Additional Technical Skills:
  • Experience with BI tools such as PowerBI or Tableau.
  • Exposure to automated testing frameworks and methodologies.
• Soft Skills:
  • Exceptional problem-solving abilities, attention to detail, and a proactive approach to innovation.
  • Ability to adapt to rapidly changing environments and prioritize multiple tasks simultaneously.

What We Offer

• Competitive salary and benefits package
• A dynamic and collaborative work environment in a fast-growing commodity trading house
• 5 weeks of vacation
• 3 sick days per year plus 1 day for your birthday
• Multisport Card access and contribution
• Fully equipped kitchen with free coffee, tea, snacks, and refreshments
• Yearly public transportation support
• Meal support (added to salary)

Additional Information

If you are a driven Lead Full-Stack/Backend Engineer with a passion for building robust, high-performance systems in a dynamic trading environment, we invite you to apply. Please submit your resume in English.

Only qualified candidates will be contacted for further evaluation.

Important: Please apply only if you do not require a sponsorship visa

Join us at Greenland Commodities – where science, technology, and trading converge for unparalleled success