W4Labs is a dynamic startup at the forefront of technological innovation. We are currently seeking experienced and talented Senior Developers to join our remote team. As a Senior Developer, you will play a crucial role in shaping our products and driving their success. We value teamwork, creativity, and a passion for cutting-edge technologies.


Collaborate with a team of skilled developers to design and implement high-quality software solutions
Contribute to the development in Python using LangChain, Pinecone, REST API and AWS serverless architecture, including Lambda, API Gateway, Cognito, and S3
Primary project is WEB2 but WEB3 experience is a bonus
Take ownership of projects and drive them to successful completion
Participate in code reviews, troubleshooting, and optimization efforts
Stay up to date with industry trends and emerging technologies


Minimum of 5 years of professional development experience
Expertise in Python, LangChain, Pinecone, and AWS serverless design (Lambda, API Gateway, Cognito, S3)
Strong proficiency in one or more programming languages, primarily Python, Rust, JavaScript.
Experience with web development frameworks and libraries are a bonus
Experience with flutter ios / android app development is a bonus
Solid understanding of software development principles, design patterns, and best practices
Ability to work effectively in a remote team environment, collaborating and communicating efficiently in a startup environment with experienced team members
Excellent problem-solving skills and a strong attention to detail
Bachelor's degree in Computer Science or a related field (preferred)

Bonus Skills:

Experience with web3 technologies and blockchain development
Familiarity with smart contract development (e.g., Solidity)
Knowledge of decentralized applications (dApps) and decentralized finance (DeFi)

Employment Type: Full-time freelance contract preferred, part-time available

At W4Labs, we believe that a strong team dynamic is essential for success. As part of our hiring process, we conduct a vibe check to ensure a harmonious and collaborative working environment. We value diversity and inclusion, and we encourage individuals from all backgrounds to apply, if you kick ass and love working on innovative tech with experienced people.

If you are a skilled and motivated Senior Developer with a passion for cutting-edge technologies and want to be part of a dynamic startup, we would love to hear from you. Join our team and contribute to shaping the future of innovation.

How to Apply: Please fill out this quick 3 minute application - https://eijfn1o56i0.typeform.com/to/y2jsCAOJ

Note: This is a remote position. Applicants from any location are welcome to apply, although team members must speak English.

Informace o pozici

Required education: Bachelor's
Required languages: en (Advanced)
Salary: 200 000 CZK / month
Listed in: IS/IT: Application and system development,
Employment form
Employment form: Full-time work
Contract duration
Contract duration: Permanent
Employment contract
Employment contract: contract under Trade Certificate / Identification No.
Employer type: Employer

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