Senior C# Developer for MS365

Veeam; Województwo mazowieckie; On-site; PLN 140,000 - 200,000; Full time

Benefits offered by this job

Paid time off: 26 days + 4 VeeaMe Days

Parental/maternity/paternity leave

Fully covered family medical plan

Life, critical illness, and disability

Employer pension contribution (PPK)

Meal allowance 450 PLN/month

MultiSport card

Up to 12 therapy sessions annually

Learning and development programs

Job summary

Veeam is seeking a Senior C# Developer for Veeam Backup for Office 365 in Poland. You will lead backend feature development, estimate effort, and collaborate with product management to shape requirements. You’ll guide code reviews and drive technical decisions while fostering a strong team culture and learning environment.

You will work with the latest .NET technologies, REST, PowerShell, and cloud tools, contributing to a secure, scalable data backup solution and supporting global teams.

Qualifications

• 5+ years of software development in commercial projects.
• Strong knowledge of C#, .Net, Win API, data structures and algorithms.
• Strong organizational and leadership skills, with responsibility and initiative.
• Proactive, results-driven mindset with good problem-solving abilities.
• English proficiency sufficient for international collaboration.

Responsibilities

• Supervise the team’s day-to-day operations.
• Analyze and establish business requirements with product management.
• Develop backend features for the product.
• Estimate efforts, costs, and capacity for features.
• Lead code reviews and drive technical decisions.
• Foster learning, motivation, and positive team atmosphere.
• Coordinate with stakeholders and maintain communications.
• Plan and review team processes and meetings.

Skills

C#

.Net

Win API

Data structures

Algorithms

Leadership

English communication

Tools

Azure DevOps

Git

Jenkins

TeamCity

Visual Studio

Rider

PowerShell

PostgreSQL

Job description

Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their businesses running. Join us as we go fearlessly forward together, growing, learning, and making a real impact for some of the world’s biggest brands.

We are looking for a Senior C# Developerfor Veeam Backup for Office 365.

Your tasks will include:

• Supervise the team’s day-to-day operations
• Analyze and establish business requirements in collaboration with the product management team
• Develop new product features, currently focusing on backend
• Estimate the efforts required for feature implementation, including costs and capacity
• Develop your hard and soft skills together with the team
• Make technical decisions
• Lead and involve others into code reviews
• Ensure work atmosphere inside of the team, team members learning and motivation
• Communicate with the project’s stakeholders
• Establish and review communication and processes inside of the team: prepare and perform regular meetings, planning, daily, retro

Technologies we work with:

• Latest C# (and a bit of C++, C++CLI), REST, PowerShell
• .NET 10
• Visual Studio, Rider
• Azure DevOps, Git, Jenkins, TeamCity
• Azure, Office 365, Amazon, Google
• Exchange, SharePoint, Active Directory, PostgreSQL

What we expect from you:

• 5+ years of software development in commercial projects
• Strong knowledge of C#, .Net, Win API, data structures, and algorithms
• Strong organizational and leadership skills, self-control and responsibility
• Result-oriented, proactive approach
• Strong problem-solving skills
• Technical mindset with great attention to details
• Good communication skills
• English proficiency level sufficient to communicate with international teams

What You’ll Get:

• 26 paid days off annually, plus 4 extra global VeeaMe Days for self-care and 24 paid volunteer hours annually through Veeam Cares
• Paid parental, maternity, and paternity leave
• Fully covered family medical plan, dental, rehab, and vaccinations
• Life, critical illness, and disability insurance
• Employer pension contribution via PPK
• Monthly Edenred allowance of 450PLNfor meals
• MultiSport card fully covered by Veeam, giving access to sports facilities nationwide
• Up to 12 free therapy sessions annually, plus legal and financial advice
• Opportunities to learn and grow through on-demand libraries (LinkedIn Learning, O’Reilly), mentoring, workshops and learning events like our annual Global Day of Learning

#LI-TK1

Veeam Software is an equal opportunity employer and does not tolerate discrimination in any form on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state or local law. All your information will be kept confidential.

Personal data collected during the recruitment process will be processed in accordance with our Recruiting Privacy Notice, which explains how your information is collected, used, and handled in connection with hiring activities. By applying for this position, you consent to this processing.

By submitting your application, you confirm that the information provided, including any supporting documents, is complete and accurate to the best of your knowledge. Any misrepresentation, omission, or falsification may result in disqualification from consideration or, if discovered after employment begins, termination of employment.