Software Developer (Principal/Expert) - TS/SCI with Polygraph Required

Catalyst Operations & Analytics; Österreich; On-site; EUR 120,000 - 160,000; Full time

Job summary

Catalyst Operations & Analytics is seeking a Principal/Expert Software Developer to lead design, architecture, and delivery of mission-critical systems, including modernization of legacy platforms. You will own major technical decisions, evaluate cross-system trade-offs, and guide Agile teams across the full stack.

You will mentor Senior, Mid-Level, and Associate developers, present technical solutions to customers and senior stakeholders, and drive sound engineering practices across the

Qualifications

• Bachelor's degree and 12+ years of relevant professional software development experience (Master's degree and 10+ years also acceptable)
• Expert-level proficiency in one or more modern programming languages (e.g., Java, JavaScript, Python)
• Extensive experience across the full stack: UI, back-end services, databases, and integrations
• Deep experience with cloud platforms and containerization/orchestration (AWS, Docker, Kubernetes)
• Experience leading Agile/Scrum development teams
• Experience with DevOps practices and CI/CD pipelines
• Ability to translate requirements into enterprise-level technical design, including legacy modernization
• Excellent communication and technical writing skills
• Mentor to junior developers and set program technical direction

Responsibilities

• Lead design and architecture across mission-critical systems
• Mentor Senior, Mid-Level, and Associate developers
• Represent technical solutions to customers and senior stakeholders
• Drive adoption of sound engineering practices across the program

Skills

Java

JavaScript

Python

Full stack experience

RESTful APIs

Microservices

Cloud platforms

Docker

Kubernetes

Agile/Scrum

Education

Bachelor's degree and 12+ years of relevant professional software development experience

Job description

Position Summary

Principal/Expert Software Developers provide technical leadership across the design, architecture, and delivery of the most complex, mission-critical application systems in support of the customer's requirements, including modernization efforts that transition legacy systems to next-generation architectures. Principal/Expert Software Developers own major technical decisions across the full stack, evaluate cross-system design trade-offs, and set engineering direction across Agile development teams. Principal/Expert Software Developers are expected to mentor Senior, Mid-Level, and Associate developers, represent technical solutions directly to the customer, and drive the adoption of sound engineering practices across the program.

Requirements

US Citizenship and TS/SCI with Polygraph (no exceptions)

Education/Experience Requirements:

• Bachelor's degree and 12+ years of relevant professional software development experience (Master's degree and 10+ years also acceptable); additional relevant experience may be considered in lieu of a degree
  

Required Skills:

• Expert-level proficiency in one or more modern programming languages (e.g., Java, JavaScript, Python)
• Extensive experience across the full stack, including web application UI development, back-end services, databases, and system integration
• Extensive experience designing and building RESTful APIs and microservices architectures
• Deep experience with cloud platforms and containerization/orchestration technologies (e.g., AWS, Docker, Kubernetes)
• Demonstrated experience leading Agile/Scrum development teams
• Extensive experience with DevOps practices and CI/CD pipelines
• Demonstrated ability to translate customer and system requirements into enterprise-level technical design, including migration of legacy systems to modern architectures
• Excellent critical thinking, technical writing, and oral communication skills, including the ability to present and defend technical solutions to customers and senior stakeholders
• Principal/Expert positions set technical direction for the program and mentor Senior, Mid-Level, and Junior developers