Gdańsk, Poland Wrocław, Poland Remote

Senior Full Stack JavaScript Developer



Ciklum is looking for a Senior Full Stack JavaScript Developer to join our team full-time in Poland.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role

As a Senior Full Stack JavaScript Developer, become a part of a cross-functional development team engineering experiences of tomorrow. You will work with modern architecture based on microservices, dockerization, orchestration, GCP, and NoSQL + using ML, so can contribute to all of these components.

Client is a world leader in AI-powered code completion, supporting more than 30 languages in 15 IDEs. The team works tirelessly to build the tools that help the developer community write twice the code in half the time. It is trusted by over 1 million developers worldwide and the company is growing fast! We're looking for top developers to join the team.


  • Design and implement complex web applications using the established approaches and best practices
  • Collaborate with developers and other team members to design, implement, and provide a performant, scalable, reliable, and flexible solution
  • Open to learning and working with various programming languages, frameworks, and concepts including Rust, Python, Java, React, open source


  • 4+ years of software engineering experience, preferably across a variety of languages, technologies, and tools – Mostly NodeJS, ReactJS, and TypeScript
  • Strong proficiency in TypeScript, NodeJS, ReactJS
  • Experience in using NodeJS advanced features and building high-performance applications
  • Experience in using complex queries and aggregations to databases (Postgres, Redis)
  • Hands-on experience with application deployment patterns and tools (Docker, Kubernetes)
  • Experience with a prior record in infrastructure configuration using popular cloud providers (like AWS, GCP, Azure) or Virtual Private Cloud is a big advantage
  • Experience in R&D and LLMs API development will be a plus
  • Solid understanding of software development principles and design patterns
  • Practical experience with testing approaches and tools
  • Supporting code quality metrics
  • Familiar with monitoring and logging tools
  • Experience working in an Agile development environment

Personal skills

  • Upper intermediate English is a must
  • Ability to express ideas, thoughts, and questions simply, concisely, and in a structured way
  • A go-getter that needs very little guidance to “conquer the mountain”
  • All-around team player, fast, self-learning individual

What's in it for you

  • Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance, life insurance and Multisport card
  • Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
  • Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
  • Flexibility: Own your schedule – you are the one to decide when to start your working day. Just dont miss your regular team stand-up
  • Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
  • Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
  • Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events

About us:

Join a well-established company and a strong team of professionals. 
Seize the perks of global opportunities, local approach and start-up spirit. 
Boost your skills with modern stacks and industry-leading clients!
Enjoy what you do, do what you enjoy!

Be bold, not bored!

Experiences of tomorrow. Engineered together

Interested already?

We would love to get to know you! Submit your application. Can’t wait to see you at Ciklum.


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