Ubique Systems

TRPD-26-05301

Senior C#/.NET Desktop Application Engineer (WPF/WinForms)

Senior-level C#/.NET engineer to develop, maintain, and debug large/legacy Windows desktop applications using WPF/WinForms with MVVM. The role requires strong root-cause analysis, multithreading/async concurrency skills, solid OOP/SOLID and design patterns knowledge, and hands-on experience with messaging (RabbitMQ), database troubleshooting (MariaDB/SQL performance), file I/O/serialization, and automated testing. Expected to contribute through code reviews, technical leadership, and mentoring.

Position summary

Location
India
Workplace
On-site
Employment
Full Time
Experience
Minimum 10 years and Maximum 15 years
Apply now

Role overview

Why This Role Matters.

Senior-level C#/.NET engineer to develop, maintain, and debug large/legacy Windows desktop applications using WPF/WinForms with MVVM. The role requires strong root-cause analysis, multithreading/async concurrency skills, solid OOP/SOLID and design patterns knowledge, and hands-on experience with messaging (RabbitMQ), database troubleshooting (MariaDB/SQL performance), file I/O/serialization, and automated testing. Expected to contribute through code reviews, technical leadership, and mentoring.

Your Impact

Deliver Enterprise Value

Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.

Collaboration

Work Across Teams

Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.

Growth

Learn Continuously

Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.

Career Path

Grow With Ubique

Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.

Responsibilities

What You'll Be Doing.

Every role at Ubique contributes directly to solving meaningful business challenges for our clients.

01

Windows Desktop Application Development (WPF, WinForms, MVVM)

02

Advanced Debugging & Root Cause Analysis

03

Multithreading, Async Programming & Concurrency

04

Large / Legacy Enterprise Application Maintenance

05

RabbitMQ (Queues, Routing, Retries, Dead-Letter Queues)

06

MariaDB & SQL Performance Troubleshooting

07

File I/O, Serialization & Data Persistence

08

Unit Testing & Integration Testing (.NET Frameworks)

09

Code Reviews, Technical Leadership & Mentoring

Technology stack

Tools & Technologies.

The platforms and technologies you'll use to build modern, enterprise-grade solutions.

01

C#

02

.NET

03

.NET Framework

04

WPF

05

WinForms

06

MVVM

07

async/await

08

TPL

09

multithreading

10

concurrency

11

debugging

12

root cause analysis

13

SOLID

14

design patterns

15

RabbitMQ

16

dead-letter queue

17

DLQ

18

retries

19

routing

20

MariaDB

Requirements

Skills & Experience.

We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.

Essential

Required Qualifications

C# and.NET development

Windows desktop application development (WPF and/or WinForms)

MVVM pattern

Advanced debugging and root cause analysis

Multithreading, async/await, concurrency

OOP, SOLID principles, design patterns

Maintenance of large/legacy enterprise applications

RabbitMQ (queues, routing, retries, dead-letter queues)

MariaDB and SQL performance troubleshooting

File I/O, serialization, data persistence

Unit testing and integration testing in.NET

Code reviews

Technical leadership and mentoring

Preferred

Nice to Have

Experience with both WPF and WinForms (not just one)

Deep expertise in performance profiling (CPU/memory/threading) for desktop apps

Advanced SQL query tuning and indexing strategies

Messaging resiliency patterns (idempotency, outbox/inbox)

What you'll gain

More Than Just A Job.

We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.

Global Exposure

Collaborate with international clients and multicultural teams on enterprise programmes.

Continuous Learning

Expand your expertise through mentoring, certifications and hands-on project experience.

Career Growth

Take ownership, develop leadership skills and grow your consulting career over time.

Flexible Working

Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.

People First

Join a supportive culture where collaboration, respect and long-term relationships come first.

Enterprise Projects

Work on meaningful technology initiatives for leading organisations across industries.

Apply

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