Senior .NET Developer

WHO WE ARE?

ALTEN – A Global Leader in Engineering and IT Services

Founded in France in 1988, the ALTEN Group is a leading technological partner serving the world’s largest clients. In 2024, it achieved revenues exceeding 4.14 billion euros and employs over 57,700 people, 88% of whom are engineers and IT experts.

ALTEN Polska has been operating for 13 years, supporting its clients' innovation, research and development, and IT systems. It has offices in Kraków, Warsaw, Wrocław, Gdańsk, and Poznań.

It serves key industries such as aerospace, space, industrial solutions, automotive, railway, energy, finance, telecommunications, and retail.

Areas of expertise: business analysis, cybersecurity, artificial intelligence, data analysis and cloud solutions, application development, software testing, project management, embedded software, quality management, industrialization, digital transformation, and industrial engineering.

For more information, visit: http://www.altenpolska.pl

Location: Warsaw, Gdańsk, Łódź (2 days per week at the office)

WHAT YOUR CHALLENGES WILL BE?

• Design and develop software according to business and technical requirements

• Analyze, maintain, and optimize legacy systems and the existing code base

• Participate in code reviews and ensure high software quality standards

• Collaborate with cross-functional teams (e.g. QA, business analysts)

• Mentor junior developers and provide technical leadership and support

  
  

WHAT DO WE REQUIRE?

• Strong understanding of C# programming language and the .NET framework

• Expert in ASP.NET Core C#

• Experienced in API development

• Experience with database design and development using SQL Server

• Ability to work with and troubleshoot legacy code

• Familiarity with software development principles, including object-oriented programming

• Knowledge of tools and technologies: Visual Studio Professional (or Visual Studio Code), SOAP UI / Swagger UI / Postman, Bitbucket, Jenkins, SQL Server Management Studio, ASP.NET Core (C#), Transact-SQL, Angular, HTML, CSS, JavaScript, CSS frameworks such as Bootstrap (or similar)

• Proficient in English, both spoken and written

WHAT CAN WE OFFER?

• ALTEN's DNA combines human values, a culture of excellence and experience in serving its clients. We offer an individual approach to each employee in the spirit of work-life balance. We place emphasis on responsible, sustainable development and pro-ecological solutions.

• We offer:

• A full-time contract with possibility to choose the form of employment (UoP / B2B)

• Stable and long-term cooperation

• Participation in company conferences, trainings, workshops, integration meetings, etc.

• Certification and training opportunities

• Opportunity to relocate and work in different ALTEN Polska branches

BENEFITS

• Medicover medical care

• Medicover dental care

• Medicover Benefits platform / Medicover Sport card

• Employee referral program

• Layette for a newborn employee’s child

• Group life insurance

• Pension scheme

• Join our team and let’s build tomorrow’s world today!