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Gdańsk, Poland Wrocław, Poland Remote .NET

Full Stack Developer

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Description

Ciklum is looking for a Full Stack 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 Full Stack Developer, you will be part of a cross-functional team with full ownership of the product and codebase. You will participate in all stages of the development lifecycle — from ideation and design to architecture, implementation, deployment, and maintenance. This project enhances trust and transparency on a global consumer review platform by detecting and preventing fraudulent activities, such as fake reviews, and ensuring policy compliance through AI, data analysis, and scalable fraud detection systems.

Responsibilities

  • Collaborate closely with Product, Design, and Data Science in a full ownership team
  • Participate in system design and technical decision-making
  • Develop scalable backend services and clean, reusable frontend components
  • Build and maintain RESTful APIs and distributed cloud services
  • Contribute to planning, implementing, and releasing new features
  • Troubleshoot and resolve issues across the tech stack
  • Write clean, maintainable, and testable code
  • Actively participate in code reviews and team discussions
  • Support and inspire the team with your technical expertise and problem-solving mindset

Requirements

  • 3+ years of hands-on experience in fullstack web development
  • Solid experience with .NET (C#) on the backend
  • Strong knowledge of TypeScript and React
  • Experience with AWS services (e.g., ECS, Lambda, SQS, SNS)
  • Skilled in building and consuming RESTful APIs
  • Experience working with NoSQL databases (e.g., MongoDB, DynamoDB) and relational databases (e.g., PostgreSQL)
  • Familiarity with containerization using Docker
  • Understanding of cloud infrastructure as code (e.g., CloudFormation)
  • Strong problem-solving skills and attention to code quality
  • Upper-intermediate or higher level of spoken and written English

Desirable

  • Experience with GCP and services like BigQuery
  • Exposure to Python and Node.js
  • Frontend experience with Next.js, CSS Modules, SASS, or Styled Components
  • Familiarity with event-driven architectures and microservices
  • Experience in data analysis or fraud detection solutions
  • Familiarity with DevOps practices and CI/CD pipelines

Personal skills

  • Accountability: You take ownership and follow through on your responsibilities
  • Drive: You are proactive and results-oriented, always seeking better ways to solve problems
  • Self-development: You stay curious, seek feedback, and aim for continuous improvement
  • Effective communication: You communicate your ideas clearly and collaborate effectively in a team
  • Mentoring: You arre open to helping less experienced team members and sharing knowledge

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:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.

Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.

Explore, empower, engineer with Ciklum!

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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