Lead Software Engineer - Compiler/LLVM

Cadence; Cork; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

25 days holiday per year

Private Medical and Dental plans

Income Protection and Life Insurance

Group Personal Pension Plan

Cycle to work scheme and gym subsidy

5 days paid time to volunteer

Employee Stock Purchase Plan

Great Place to Work© & Fortune 100

Job summary

Cadence, a leader in electronic design, seeks a Lead Software Engineer – Compiler/LLVM to join the Xtensa toolchain team in Cork, Ireland. You will design and implement compiler optimisations for Xtensa and mentor engineers while delivering production-grade tools.

Collaborating with hardware teams, you will work on LLVM/GCC backends, code generation, and performance improvements across AI, DSP, and vision workloads to unlock strong real-world performance.

Qualifications

• Bachelors or Masters in Computer Science, EE, or related field (or equivalent practical experience).
• Typically 4+ years in compiler development or low-level systems software.

Responsibilities

• Design and implement compiler optimisations and features for Xtensa processors.
• Drive improvements in code generation, performance tuning, and architecture enablement across the toolchain.
• Partner with hardware/architecture teams on new ISA features and capabilities.
• Analyze and optimize real-world workloads including AI, DSP, and vision use cases.
• Provide technical mentorship and guide best practices.

Skills

C/C++ programming

Compiler development

Low-level systems software

Debugging

Code optimization

Education

Bachelor’s or Master’s in Computer Science or Electrical Engineering

Tools

LLVM

GCC

Job description

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology.

Cadence is a pivotal leader in electronic design, building upon more than 30 years of computational software expertise. The company applies its underlying Intelligent System Design strategy to deliver software, hardware and IP that turn design concepts into reality.

Cadence customers are the world’s most innovative companies, delivering extraordinary electronic products from chips to boards to systems for the most dynamic market applications including consumer, hyperscale computing, 5G communications, automotive, aerospace industrial and health.

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology.

Job Title: Lead Software Engineer – Compiler/LLVM

Location: Cork, Ireland or Belo Horizonte, Brazil

Reports to: Sr Software Architect

Job Overview

Tensilica, a Cadence company, delivers configurable processor IP and DSP solutions powering AI, vision, audio, and communications workloads. Its Xtensa® architecture enables highly optimized, domain-specific designs with industry-leading performance and efficiency.

The C Compiler team builds the toolchain that unlocks this performance. Working on LLVM-based compilers for Xtensa processors, the team drives code generation, architecture-aware optimizations, and real-world workload performance.

In close partnership with hardware teams, they enable new capabilities and deliver production-grade tools used by leading semiconductor and systems companies.

Responsibilities

• Design and implement compiler optimisations and features for Xtensa processors
• Drive improvements in code generation, performance tuning, and architecture enablement across the toolchain
• Partner closely with hardware and architecture teams on new ISA features and capabilities
• Analyse and optimise real-world workloads, including AI, DSP, and vision use cases
• Provide technical mentorship to junior engineers and contribute to the team’s technical direction and best practices

Requirements

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related field (or equivalent practical experience)
• Typically 4+ years of experience in compiler development or low-level systems software (academic or industry experience considered)
• Strong C/C++ programming skills with solid debugging and problem‑solving expertise
• Good understanding of compiler internals (LLVM, GCC, or similar frameworks)
• Strong foundation in computer architecture and performance optimisation

Nice To Have

• Experience with DSPs, AI/ML workloads, or embedded systems
• Hands-on experience with LLVM or GCC backends and optimisation passes
• Experience working close to hardware teams or enabling new processor architectures

Check What We Can Offer You

• Competitive salary
• 25 days holiday per year
• Private Medical and Dental plans, Income Protection and Life Insurance
• Group Personal Pension Plan
• Cycle to work scheme and gym subsidy
• 5 days paid time to volunteer to give back to our communities
• Employee Stock Purchase Plan
• The opportunity to work for a Great Place to Work© & Fortune 100 organization

Cadence is committed to equal employment opportunity and employment equity throughout all levels of the organization. We strive to attract a qualified and diverse candidate pool and encourage diversity and inclusion in the workplace.

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