Senior Software Engineer II, Platform Modernization Technology Enablement

Principal Financial Group is seeking a Senior Software Engineer II to join their Retirement & Income Solutions organization to support a critical modernization initiative. In this role, you will design and build enterprise integration patterns and provide technical direction while collaborating with various teams to ensure scalable integrations using AWS services.

Responsibilities:

• Design, build, and evolve enterprise integration patterns leveraging APIs, events, and messaging to support the RIS modernization effort
• Partner closely with enterprise teams to enable scalable integrations using AWS-native services (e.g., EventBridge, SQS, Lambda, ECS/EKS)
• Develop reusable, composable CDK constructs that can be adopted consistently across teams
• Provide technical direction and informal leadership, helping engineers align to standards while staying deeply hands-on
• Translate complex business and modernization needs into practical, repeatable engineering solutions
• Contribute to architectural discussions with a strong engineering lens, understanding design intent and implementation tradeoffs
• Help shape how integration capabilities are delivered at scale across RIS and the broader organization

Requirements:

• Associate's or bachelor's degree (preference in a computer science, technology, engineering or math-related field) or equivalent experience
• 8+ years of enterprise engineering experience, with increasing scope and technical influence
• Deep experience building solutions on AWS, with strong working knowledge of core services
• Experience working in matrixed, highly collaborative environments, partnering across teams and disciplines
• Informal team leadership experience, mentoring and providing strategic direction to a team
• Excellent communication and problem-solving skills, with the ability to work through complex technical challenges
• Experience designing and implementing enterprise integrations using APIs, events, files, and messaging
• Experience with TypeScript or similar modern languages
• Hands-on experience creating Level 2 and Level 3 AWS constructs or similar reusable cloud patterns
• Familiarity with Domain-Driven Design (DDD) concepts and application patterns
• Exposure to or experience with AI and agentic AI solutions in modern cloud environments
• A track record of contributing to modernization efforts while maintaining reliability and continuity