Expert Full Stack JavaScript Developer

Ciklum is looking for an Expert 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 an Expert Full Stack JavaScript Developer, become a part of a cross-functional development team engineering experiences of tomorrow.

Responsibilities:

• Design and implement complex web applications using the established approaches and best practices
• Provides technical solutions and expertise to steer the project to successful completion
• Provides guidance and technical leadership to the assigned team members
• 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, React, open source
• Guides development workflow (reviews requirements, planning, highlights edge cases), defines and implements the engineering standards

Requirements:

• 6+ years of proven experience as a Fullstack Developer or in a similar role
• Experience in the iGaming industry
• Experience in Tech Lead/Team Lead role
• Strong proficiency in JavaScript, TypeScript, NodeJS, ReactJS
• Experience in using NodeJS advanced features and building high-performance applications
• Versatile approach to software engineering including diverse tech stack (Rust, Python + tell us what you can)
• Experience in using complex queries and aggregations to databases (Postgres, Redis)
• Hands-on experience with application deployment patterns and tools (Docker, Kubernetes)
• Prior record in infrastructure configuration using popular cloud providers (like AWS, GCP, Azure) or Virtual Private Cloud
• 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
• Excellent level of written and spoken English

Personal skills:

• Excellent collaboration and communication skills
• Ability to be a driving force and role model in the team
• Ability to support other team members' ideas and create a productive discussion environment
• Following the “said and done” principle
• Accountability for the own scope of work
• Proactive in efforts to deliver results according to expectations
• Suggesting new ideas, and looking for alternative solutions
• Eager to learn and grow: curios, keen to constant self-development
• Constantly improving own mastership
• Ability to express ideas, thoughts, and questions simply, concisely, and in a structured way

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!

Interested already?

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