Senior C# Developer Jobs

Senior C# Developer

Randstad

Location:
Hungary, Budapest

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Our Partner is a rapidly expanding company specializing in telecommunications and IT services for a special segment. With their international workforce exceeding 300 employees, they develop, implement, and manage communication systems.

Job Responsibility:

contribute to the continuous development, planning, documenting and testing of the IT systems developed and operated by the company
plan and code main modules independently
cooperate in the software and database architecture planning
support the decision making processes by data base analysis
participate in the research of new technologies related to the system, present ideas for system improvements
work closely with other colleagues of our DevOps team
based on your experience, you might also have the possibility to take part in the planning, development of the API, Library that supports our business software

Requirements:

college or university degree
minimum of 5-years experience as a software developer
high level expertise in C#, .NET Core and Entity Framework Core
background in building web-based solutions, particularly with ASP.NET MVC
strong knowledge of REST (ASP.NET Web API) and SOAP (WCF)
ability to work autonomously and troubleshoot technical issues effectively
hands-on experience with Git version control system
proficient in English for both verbal and written technical communication

Nice to have:

solid grasp of designing and implementing relational databases using MS SQL Server
experience in microservice architecture design
knowledge of VoIP technologies (SIP, RTP)
experience in DevOps or continuous delivery approach

What we offer:

professional challenges, inspiring, diverse tasks
structured development process
learning path on new technologies (AI, LLM)
multiculture environment
flexible working hours and home office days
relaxed atmosphere, steady, supportive international team
easily accessible modern office with good infrastructure
complimentary coffee, fruits and snacks

Additional Information:

Job Posted:
December 19, 2025

Expiration:
December 30, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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