Gdańsk, Poland Wrocław, Poland Remote

Senior .NET Developer



Ciklum is looking for a Senior .NET 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 .NET Developer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project, a task-oriented application allowing Client’s engagement teams and clients to create tasks, track their statuses, share task-related documents and present high value static information including contacts, simple links to other applications and RSS feeds. Integrate with wealth management systems & present insights using embedded Power BI reports.


  • Designs and implements applications following software engineering best practices and principles
  • Responsible for maintaining the defined level of code quality on the project
  • Make required infrastructural changes for successful application deployment
  • Participate in conducting technical interviews
  • Mentor L2, and L1 team mates


Software Design:

  • Use of best practices and patterns during application design and implementation
  • Hands-on experience with a monolith, microservice, and serverless architectural styles

Software Development:

  • In-depth proficiency level of C# and .Net technologies, implementing applications using defensive programming
  • Successful cases in developing web applications using advanced framework features and industry standard conventions
  • Practical experience in writing and performance tuning of complex SQL

Quality Assurance:

  • Previous participation in constant quality improvement on the project: conducting code reviews, setting up quality metrics, and their monitoring

Software Deployment:

  • A hands-on experience with application deployment patterns and tools
  • Practical experience in infrastructure configuration using popular cloud providers


  • Experience in configuring application security aspects
  • Practical experience in application performance optimization

Personal skills

  • Communication is a key. You speak and write in English fluently or at least at upper-intermediate level


  • Following the “said and done” principle
  • Accountability for the own scope of work


  • Proactive in efforts to deliver results according to the expectations
  • Suggesting new ideas, looking for alternative solutions
    Self – development:
  • Eager to learn and grow: curios, keen to constant self-development
  • Constantly improving own mastership

Effective communication:

  • Ability to express ideas, thoughts and questions simply, concisely and in a structured way


  • Capability to assess tasks of less experienced colleagues
  • Skilled in constructive feedback providing

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 don’t 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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