About usSoftware AG's products enable companies to convert their data into value. As a data pioneer, Software AG has been convincing thousands of market-leading companies worldwide with customer-oriented innovations for over 50 years. Mainframe Adabas is the flagship product for Software AG. It is well known for its extremely high performance and reliability, with online transaction processing and is used to run customers’ business and company-critical applications. Even after more than 50 years, Software AG Adabas continues to develop and adapt to new industry standards, business methods, and technologies. The Mainframe Adabas family of products has a diverse portfolio. Support for high availability technology; IBM’s SYSPLEX Technology and zIIP are key extensions to the DBMS. Additional add-on products include replication, monitoring, network, Auditing, security, large memory and various other optimizations. For this position, we are looking for an experienced and motivated senior assembler developer who can support existing products or develop solutions for our customer base. The role COBOL applications, backed by the legendary resilience, security, and scalability of IBM Z, are among global enterprises’ most valuable assets. They run mission-critical operations with business logic that is unique to the respective organization.We are hiring a Principal Compiler Architect to own the technical direction of the compiler part of our JOPAZ product, and to grow into leading the team that builds it. What you'll do• Own the compiler end to end• Guard correctness as the top priority• Define and defend how COBOL semantics map onto the JVM so that compiled programs are behaviorally equivalent to native execution• Drive performance on the JVM• Set the technical roadmap for the optimization strategy, make cross-cutting design decisions, and keep the codebase coherent as it grows• Collaborate across the product, including mainframe connectivity layers• Grow into technical and people leadership What we're looking for (must-have)• Proven, end-to-end compiler construction experience – you have built or substantially contributed to a production compiler; not just used compiler frameworks.• Multi-year JVM code expertise• Correctness and semantics engineering• Architecture-level judgment for optimization strategies• Ability to make and defend cross-cutting technical decisions in a long-lived codebase• Technical leadership instincts (mentoring engineers, communicate designs clearly) Strong plus-points (not required)• Hands-on COBOL knowledge, or experience with another legacy/ business language and its habits• z/OS experience: Java on z/OS, zIIP and specialty-engine offload, JCL/batch, …• Verification at scale, differential testing, conformance suites, fuzzing, or formal methods INTERESTED?We look forward to receiving your complete application documents. Your application should include a short cover letter, a CV in tabular form and your training and work references.Your contact:Mubina Bhaisaheb, Senior Talent Acquisition Partner* f/m/d - Diversity matters!