Senior Compiler Engineer

Ericsson; Austin (TX); On-site; USD 150,000 - 230,000; Full time

Job summary

Ericsson in Austin, Texas is seeking a Staff or Senior Compiler Engineer to design and implement MLIR-based compiler passes for custom AI silicon used in telecommunications baseband processing. You will work across the compiler stack with hardware architects, runtime developers, and AI researchers to optimize for real hardware constraints.

Strong C++ and MLIR/LLVM experience are required, with a track record of delivering production-quality compiler passes end-to-end.

Qualifications

• Strong C++ development experience.
• Hands-on experience with MLIR, LLVM, or another production compiler framework.
• Experience implementing compiler passes or transformations at production quality.
• Understanding of intermediate representations and compiler pipelines.
• Ability to work across abstraction layers, from ML operator semantics to hardware constraints.
• Track record of owning technical work end-to-end, from design through delivery.

Responsibilities

• Design and implement MLIR transformation passes, dialect conversions, and lowering pipelines.
• Work on tiling, scheduling, vectorization, and memory-planning problems specific to the target hardware.
• Debug numerical correctness issues across compiler transformations.
• Develop and maintain compiler testing and validation infrastructure.
• Contribute to hardware-software co-design discussions as the compiler matures.
• Profile, analyze, and optimize compiled workloads on silicon.
• Own the design and implementation of significant compiler subsystems.

Skills

C++ development

MLIR/LLVM

Production compiler experience

Compiler passes

IR and pipelines

End-to-end ownership

Model lowering (StableHLO/XLA/ONNX)

Tools

MLIR/LLVM

Job description

The opportunity We are building an MLIR-based compiler and inference stack for custom AI silicon used in telecommunications baseband processing. The compiler takes ML models from StableHLO through orchestration, tiling, memory planning, and code generation onto a multi-core processor architecture with custom accelerators.

Grow with us Senior Compiler Engineer Austin, Texas This is not a remote work opportunity The opportunity We are building an MLIR-based compiler and inference stack for custom AI silicon used in telecommunications baseband processing. The compiler takes ML models from StableHLO through orchestration, tiling, memory planning, and code generation onto a multi-core processor architecture with custom accelerators.

We already have a working proof point. Real workloads are running on custom silicon at competitive perf-per-watt, and we are building the general-purpose compiler stack around it. This is a small team building something real, not a research project. We are hiring a Staff or Senior Compiler Engineer to work across the compiler stack. You will design and implement MLIR passes, debug IR transformations, optimize for real hardware constraints, and contribute wherever the hardest problems are, whether that is model import, scheduling, memory allocation, or code generation. You will work directly with hardware architects, runtime developers, and AI researchers, and you will help shape the compiler as it matures.

What You Will Do

• Design and implement MLIR transformation passes, dialect conversions, and lowering pipelines
• Work on tiling, scheduling, vectorization, and memory-planning problems specific to the target hardware
• Debug numerical correctness issues across compiler transformations
• Develop and maintain compiler testing and validation infrastructure
• Contribute to hardware-software co-design discussions as the compiler matures
• Profile, analyze, and optimize compiled workloads on silicon
• Own the design and implementation of significant compiler subsystems

The specific focus areas will depend on your background and the team's priorities. Prior specialization in model import, legalization, and shape inference, or in scheduling, code generation, and memory hierarchies, is valuable, but we expect engineers to work across boundaries.

Core Qualifications

• Strong C++ development experience
• Hands-on experience with MLIR, LLVM, or another production compiler framework
• Experience implementing compiler passes or transformations at production quality
• Understanding of intermediate representations and compiler pipelines
• Ability to work across abstraction layers, from ML operator semantics to hardware constraints
• Track record of owning technical work end-to-end, from design through delivery

Additional Preferred Experience

• StableHLO, XLA, JAX, PyTorch, or ONNX model lowering
• Custom MLIR dialect development
• DSP, VLIW, or AI accelerator compilation
• Static scheduling or software-managed memory
• Tiling, loop transformations, or data-layout optimization
• Quantization or mixed-precision lowering
• Bare-metal or embedded runtime integration

We are looking for strong compiler engineers who can learn new problem domains quickly. Depth in one area matters more than breadth across all of them

Ericsson uses a merit-based hiring approach that values people with different experiences, perspectives and skillsets. We truly believe this approach drives innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity employer, learn more.

If you need assistance or to request an accommodation due to a disability, please contact Ericsson at [e-mail].

DISCLAIMER: The above statements are intended to describe the general nature and level of work being performed by employees in this position. They are not an exhaustive list of all responsibilities, duties and skills required for this position, and you may be required to perform additional job tasks as assigned.

Primary country and city: USA || Austin, Texas

Job details: Developer

Compensation And Benefits At Ericsson

At Ericsson, we know that our people are the key to our success. We offer a competitive package to help with your individual needs and goals.

Your Pay The salary range for this position is dependent on various factors including, but not limited to, location, and the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience

Your Health Ericsson offers excellent health benefits including the choice of three medical plan options and a dental plan option that allow an employee to select the level of coverage that suits their needs. Employees will receive company credits in an amount equal to the cost that Ericsson pays toward the cost of their medical and dental premiums for themselves and eligible covered dependents.

Your Financial Security We invest in both your short and long-term financial wellbeing. The Ericsson US 401(k) Plan offers an automatic 3% company contribution and Ericsson match $1 for every $1 you put into the 401(k) Plan on the first 3% of your eligible pay, plus 50 cents on every $1 on the next 2% of eligible pay. When you contribute at least 5% of eligible pay, you are receiving Ericsson’s full matching contributions of 4%. Matching and company automatic contributions stop when your total eligible pay for the year reaches the IRS limits. Employees will also receive company credits in an amount equal to the cost of basic life insurance and basic accidental death and dismemberment coverage, as well as short-term and long-term disability coverage. Employees also have the option to participate in Ericsson’s Stock Purchase Plan.

Your Time Your work-life balance is important to us. New employees are provided a minimum of 15 days of accrued vacation, up to 3 personal days per year, 11 annual holidays, 8 hours of volunteer time, and 80 hours of sick time annually. Please note paid time off is pro-rated based on the employee’s start date. Furthermore, Ericsson provides up to 16 weeks of paid maternity leave and 6 weeks of parental or adoption leave at 100% of pay.

Additional Benefits Ericsson offers many other company-paid benefits such as financial wellness programs, educational assistance, matching gifts, and recognition programs.