ELEKS Software Engineering and Development Office is looking for a Senior C++ Developer in Ukraine, Poland or Croatia.

ABOUT PROJECT

Our client is a well-established software company specializing in productivity and creative tools, with millions of users worldwide across both Windows and macOS platforms. They are undergoing a strategic modernization of their licensing and revenue infrastructure, moving toward a cloud-connected, identity-driven architecture to better support their growing user base and subscription business model.

### NICE TO HAVE

Experience with C# - particularly useful for Windows-side licensing and identity integrations

Experience with Objective-C and/or Swift - particularly useful for macOS-side integrations

Prior exposure to identity and access management concepts: OAuth 2.0, OpenID Connect (OIDC), JWT tokens, SSO, and identity providers such as Auth0

Experience working on cross-platform desktop applications (Windows + macOS)

Familiarity with subscription-based or cloud-connected software licensing models

### RESPONSIBILITIES

Modernize and rearchitect the integration layer between desktop applications and the internal licensing service across Windows and macOS

Implement and maintain integrations with Auth0 as an Identity Provider using OAuth 2.0 and OpenID Connect (OIDC) protocols

Write, refactor, and optimize C++ code in line with technical specifications, team conventions, and industry best practices

Collaborate within an Agile team: participate in sprint planning, code reviews, and retrospectives

Analyze and improve software quality including readability, maintainability, and runtime performance

Reproduce and resolve defects logged in the issue tracking system; identify root causes and implement targeted fixes

Use Git for version control: manage branching, merging, commits, and change history in accordance with team standards

### WHAT YOU WILL GET WITH ELEKS

Close cooperation with a customer

Challenging tasks

Competence development

Team of professionals

Dynamic environment with a low level of bureaucracy

(software tools) Senior Software Developer C++, #JR172

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