Senior Software Engineer - TS/SCI Security & Mentorship

Catalyst Operations & Analytics; Österreich; On-site; EUR 90,000 - 130,000; Full time

Job summary

Catalyst Operations & Analytics seeks a Senior Software Engineer to lead the design, development, and delivery of complex software systems in an Agile environment. You will own significant portions of the SDLC—from requirements analysis and design through coding, integration, and testing—and you will mentor junior engineers to raise the team's technical capabilities.

The role emphasizes evaluating software architectures, ensuring performance and security, and presenting technical solutions to

Qualifications

• Bachelor's degree or higher in a technical field with 7-11 years of software engineering experience.
• Master's degree with 5-9 years experience also acceptable in lieu of a degree.
• Strong proficiency in one or more modern programming languages and full SDLC experience.

Responsibilities

• Lead design, development, and delivery of complex software systems within Agile teams.
• Review and mentor junior/mid-level engineers; provide technical leadership and guidance.
• Ensure performance, security, and reliability standards across deployed systems.

Skills

Java

Python

C/C++

JavaScript

SDLC

Agile/Scrum

Version control

DevOps/CI-CD

Windows/Linux

Technical writing

Mentorship

Education

Bachelor's degree

Master's degree (optional)

Tools

Git

CI/CD tools

Job description

Catalyst Operations & Analytics seeks a Senior Software Engineer to lead the design, development, and delivery of complex software systems in an Agile environment. You will own significant portions of the SDLC—from requirements analysis and design through coding, integration, and testing—and you will mentor junior engineers to raise the team's technical capabilities.

The role emphasizes evaluating software architectures, ensuring performance and security, and presenting technical solutions to