Senior .Net dev with Azure DevOps - Risk & Margin

Luxoft; Kraków; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Private medical care

Dental care

Life insurance

Internal mobility program

Job summary

Luxoft is seeking a senior .NET developer to join our client's team in Kraków to lead the build of a new data and application platform. You will replace a highly experienced developer, mentor the team, and set technical direction and standards.

The role emphasizes clean code, agile practices, and high-quality delivery within an investment banking environment. You will design back-end services, manage data pipelines on Databricks, and drive CI/CD with Azure DevOps.

Qualifications

• Minimum 10 years of professional experience as a .NET developer (C#).
• Strong hands-on experience with Azure DevOps (repos, boards, pipelines, CI/CD).
• Proven ability to act as a technical lead: advising, guiding, and mentoring a development team.
• Experience building new platforms or major systems from the ground up.
• Experience in automated testing of .NET applications.
• Excellent problem-solving abilities.
• Experience in RESTful API design.
• Familiarity with agile development practices (Scrum, Kanban, etc.).
• Good communication skills and the ability to clearly state requirements to other teams.

Responsibilities

• Design, develop, and maintain scalable back-end services and APIs using .NET (C#).
• Build and optimize data pipelines and workloads on Databricks.
• Design, implement, and maintain CI/CD pipelines and release processes in Azure DevOps.
• Advise and guide the team on architecture, design decisions, and best practices while the new platform is built.
• Mentor developers and raise the technical level of the team through code reviews and pair programming.
• Define and consume RESTful APIs, clearly communicating requirements and constraints across teams.
• Translate business and product requirements into robust technical solutions.
• Apply clean code principles and contribute to continuous improvement of engineering standards and tooling.
• Write and maintain automated tests (unit, integration).
• Participate actively in agile ceremonies (Scrum/Kanban), including refinement, planning, reviews, and retrospectives.
• Work closely with QA, product managers, and architects to ensure high-quality, business-aligned deliveries.
• Support and improve existing applications in a fast-paced, enterprise investment-banking environment.

Skills

.NET/C# expertise

Azure DevOps

Technical leadership

RESTful API design

Automated testing

Agile/Scrum/Kanban

Code reviews/mentoring

Data pipelines (Databricks)

Tools

Azure Databricks

Job description

Private Medical & Dental care & Life Insurance covered

Internal Mobility program - possibility of rotation between projects, locations, accounts

...and more!

Project Description:

We are looking for a senior .NET developer to join our client's team and lead the build of a new data and application platform. You will replace a highly experienced developer, advise and guide the team, and set technical direction and standards. The team focuses on clean code, agile methodologies, and high-quality delivery. The client is from the investment banking industry.

Responsibilities:

Design, develop, and maintain scalable back-end services and APIs using .NET (C#)

Build and optimize data pipelines and workloads on Databricks

Design, implement, and maintain CI/CD pipelines and release processes in Azure DevOps

Advise and guide the team on architecture, design decisions, and best practices while the new platform is built

Mentor developers and raise the technical level of the team through code reviews and pair programming

Define and consume RESTful APIs, clearly communicating requirements and constraints across teams

Translate business and product requirements into robust technical solutions

Apply clean code principles and contribute to continuous improvement of engineering standards and tooling

Write and maintain automated tests (unit, integration)

Participate actively in agile ceremonies (Scrum/Kanban), including refinement, planning, reviews, and retrospectives

Work closely with QA, product managers, and architects to ensure high-quality, business-aligned deliveries

Support and improve existing applications in a fast-paced, enterprise investment-banking environment

Mandatory Skills Description:

Minimum 10 years of professional experience as a .NET developer (C#), with a proven track record on long‑term projects

Strong hands‑on experience with Azure DevOps (repos, boards, pipelines, CI/CD)

Proven ability to act as a technical lead: advising, guiding, and mentoring a development team

Experience building new platforms or major systems from the ground up

Experience in automated testing of .NET applications

Excellent problem‑solving abilities

Experience in RESTful API design

Familiarity with agile development practices (Scrum, Kanban, etc.)

Good communication skills and the ability to clearly state requirements to other teams