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Principal Software Engineer (Python, AI)

Diligent Corporation
CompanyDiligent Corporation
CategoryEngineering
LocationBudapest
RemoteOn-site (inferred)
EmploymentNot stated
LevelLead
SalaryNot stated by the employer
Posted27 Feb 2026
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
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Description
Here’s a summary of the role:       This is a  principal-level role  for someone who has already  operated  at Staff or Principal Engineer level in a sizeable engineering organization and can point to specific platform decisions — in production today — that they own.  You'll   set the technical direction for our AI-enabled platform : architecting secure, scalable, serverless systems on AWS, defining the patterns and governance practices that multiple teams adopt, and guiding where AI genuinely adds value across the stack.   Your leverage comes from the systems, architectures, and standards you put in place — not from individual output.  You'll   mentor senior engineers , lead org-wide design decisions, and be the person other technical leaders turn to when the hard calls need to be made.  You'll  still write code, but  that's  not where your impact is measured.   If  you've   led complex platform or AI initiatives  at scale, have strong opinions about AI governance in production systems, and want the scope to shape an entire platform's  future,  this is that role.   Here’s  a breakdown of what  you’ll  do (not all of it, just the important stuff):   Shape engineering strategy with broad organizational impact —  you'll  influence long-term architectural direction across multiple teams and products, not just within your own squad.   Drive platform evolution by identifying cross-cutting pain points and leading the design of secure, scalable, reusable solutions built on AWS and modern serverless and microservice patterns.   Lead architectural discussions and design reviews where the stakes are real — making clear trade-offs around performance, security, reliability, and maintainability, and getting alignment across teams with competing priorities.   Own AI architectural decisions end-to-end: design AI-enabled systems with built-in governance, monitoring, and regulatory readiness baked in from the start, not retrofitted. Define where AI adds genuine value and where it doesn't.   Act as the organization's AI thought leader — educate engineering teams on model behavior, agentic systems, and responsible AI practices, and raise the overall maturity of how we design and deploy AI.   Mentor and stretch senior and staff engineers, building technical leadership depth across the organisation and holding a high bar for engineering standards.   These  are the essentials  you’ll  need to get an interview:   Principal-level  track record  at scale.  10+ years of software engineering experience , including at least 3  years'   operating  at Staff or Principal Engineer level in an  organization  of 100+ engineers.  You've  led large, complex platform or AI initiatives where you were the decision-maker, not a contributor.   Deep, opinionated  AWS platform expertise . You've designed multi-account AWS architectures and made the call on when serverless is the wrong choice. You work fluently with Infrastructure as Code — Terraform or CDK preferred — and have strong views on observability, resilience, and security that you've translated into org-wide patterns.   Production AI systems experience. You've shipped AI-enabled systems — RAG pipelines, agentic frameworks,  LLM  orchestration, or similar — into production and can discuss the architectural decisions, failure modes, and trade-offs involved. "Understanding AI concepts" is not enough; we need someone who has built and run these systems.  
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Principal Software Engineer (Python, AI) — Diligent Corporation · Job Opportunities API