SimCorp

Principal Software Engineer – AI Agent for Software Developmen

SimCorp
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10 days ago
Warsaw, PolandStaff+

Responsibilities

  • Design, develop, operate, and architect the internal AI agent product for software development.
  • Evolve agent planning, tool use, context management, orchestration, and reliable state recovery.
  • Build secure typed connectors and MCP tools for source control, CI/CD, work-item tracking, collaboration, and documentation systems.
  • Improve hosted Linux sandboxes and remote sessions with confirmation, auditing, and secure execution models.
  • Maintain and extend the Blazor WebAssembly frontend.
  • Own Azure production reliability, including telemetry, diagnostics, performance and cost monitoring, deployment pipelines, and operational documentation.
  • Write unit, functional, integration, and acceptance tests and design systems for testability.
  • Mentor and coach engineers, review code and architecture, and represent the team in technical forums.

Requirements

  • Bachelor’s or master’s degree in computer science, engineering, mathematics, or a related field.
  • 8+ years of software engineering experience with advanced C#/.NET backend skills.
  • Deep distributed-systems experience involving asynchronous processing, concurrency, cancellation, retries, idempotency, and state recovery.
  • Experience building AI/LLM applications with tool calling, agent orchestration, structured outputs, context management, and model-provider abstraction.
  • At least one year of practical daily experience with AI coding agents such as Claude Code or Codex.
  • Experience with open-source agents such as OpenCode, Hermes, OpenClaw, or similar.
  • Experience with ASP.NET Core, relational persistence, PostgreSQL or EF Core, and authenticated, authorized, rate-limited, resilient external-facing APIs.
  • Cloud engineering experience on Azure and solid Linux knowledge, including shell, processes, networking, filesystems, and containerized debugging.
  • Practical Docker and container-isolation experience; familiarity with Sysbox, gVisor, or Firecracker is advantageous.
  • Ability to reason about security boundaries, secrets, RBAC, auditability, and safe execution of side-effecting operations.
  • Frontend experience with Blazor or a modern SPA framework and experience with Windows automation.
  • Ability to lead or mentor engineers, make technical decisions, and communicate effectively in written and spoken English.

Benefits

  • Attractive salary, bonus scheme, and pension are provided, with no compensation amounts stated.
  • Flexible working hours and a global hybrid model requiring two office days per week while allowing remote work on other days.
  • Professional development support with an individualized approach.
SimCorp

About SimCorp

1,001-5,000 employees

SimCorp builds SimCorp Dimension, a front-to-back investment management platform and managed services used by buy-side institutions such as asset managers, pension funds, and insurers. It sells software licenses and cloud-delivered operations (SaaS/managed services) covering portfolio management, trading, risk, accounting, and reporting. Founded in 1971 and headquartered in Copenhagen, it is a subsidiary of Deutsche Börse Group and reports serving 40 of the world’s top 100 financial companies.

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