Senior Full-stack Engineer

Senior Full-stack Engineer

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EVAV – Full-stack /

Remote /

On-site

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We are seeking a skilled Senior Full-Stack Engineer to join our team in building an innovative application leveraging cutting-edge technologies. The ideal candidate will have expertise in developing and maintaining robust, scalable systems with a focus on data processing and AI integration.

Responsibilities:

• Design, develop, and maintain server-side logic using TypeScript and Express.js on AWS infrastructure.
• Integrate and optimize Large Language Models (LLMs) for advanced data processing and user interaction features.
• Implement and enhance data cleaning pipelines to ensure high-quality, reliable datasets.
• Collaborate with cross-functional teams to deliver scalable and efficient solutions.
• Deploy and manage application components on AWS services (e.g., Lambda, ECS, S3).
• Write clean, maintainable, and well-documented code following best practices.

Requirements:

• 5+ years of hands-on Full-Stack development experience.
• Proficiency in TypeScript and Node.js with experience building RESTful APIs using Express.js.
• Hands-on experience with AWS services (e.g., Lambda, S3, ECS, RDS).
• Familiarity with Large Language Models (LLMs) and their integration into applications.
• Strong knowledge of data cleaning techniques and tools for handling structured and unstructured data.
• Experience with version control (Git) and CI/CD pipelines.
• Excellent problem-solving skills and ability to work in a fast-paced environment.

Nice-to-Have:

• Experience with React Native for cross-platform mobile development.
• Knowledge of additional AWS services like Step Functions or Athena.
• Familiarity with data visualization or ETL processes.
• Experience with cryptocurrency technologies, including Ethereum, Solana, and the Viem library for blockchain interactions.

Benefits:

• Work in a highly professional team. Informal and friendly atmosphere in the team
• Paid vacation — 20 business days per year, 100% sick leave payment
• 5 sick days per year
• Health insurance in Luxmed (after the end of the probationary period)
• Legal and Accounting support in Poland
• Additional compensation benefits
• Ability to work from our comfortable office in Warsaw at Prosta 51
• Flexible working hours — we care about you (!) and your output
• Equipment provision
• Partially compensated educational costs (for courses, certifications, professional events, etc.)
• English and Polish classes 2 times a week (online)
• Bright and memorable corporate life: corporate parties, gifts to employees in honor of live events, weekly pizza Fridays‍

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