Find Principal software engineer Jobs in Ireland

Senior Staff Software Engineer/Architect - Runtime Engineer
Qualcomm —Cork, County Cork
- Doctoral degree
- Computer Science
- Engineering
- Employee stock purchase plan
Principal Civil Engineer
Mott MacDonald —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Master's degree
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- Annual leave
- Life insurance
Software Development Engineer II, Transactional Data Storage
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- Bachelor's degree
Lead DevOps Engineer
Elwood Roberts —Dublin, County Dublin
- €500–€600 a day
- Full-time
- DevOps
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Quick apply
Staff Site Reliability Engineer
Replit —Dublin, County Dublin
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
Mid-Level Full Stack Java Engineer
Solance —Dublin, County Dublin
- Full-time
- Hybrid work
- Java
- AWS
- Agile
Quick apply
Head of Architecture and Engineering Operations
EXL Service —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Azure
- Computer Science
Electrical Project Engineer
Tetra Tech —Cork, County Cork
- Holidays
- AutoCAD
- Microsoft Office
- No degree
Lead Software Developer / Technical Lead – Dublin, Ireland (Hybrid)
Hadfield Green —DUBLIN 2, County Dublin
- System design
- JavaScript
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FY27 Intern - Software Intern (Data Center, Cloud-AI Engineering) - Cork
Qualcomm —Cork, County Cork
- Computer Science
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Staff Engineer
Solance —Dublin, County Dublin
- Full-time
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Phorest —DUBLIN 1, County Dublin
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Principal Data Scientist
iCims —DUBLIN 2, County Dublin
- Full-time
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Systems Integration Engineering
Analog Devices —Limerick, County Limerick
- Full-time
- Doctoral degree
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Staff Engineer, Site Reliability
LearnUpon —Dublin, County Dublin
- On call
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AI Software Architect – Dublin, Ireland (Hybrid)
Hadfield Green —DUBLIN 2, County Dublin
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FY27 Intern - Software Engineering Internship 2027 - 6 months, Cork
Qualcomm —Cork, County Cork
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System Applications Engineer
Analog Devices —Limerick, County Limerick
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Staff AI/ML Engineer (Robotics)
Analog Devices —Limerick, County Limerick
- Full-time
- Doctoral degree
- Computer Science
- Master's degree
Senior Principal Analog / Mixed-Signal Design Engineer
Analog Devices —Cork, County Cork
- Day shift
- Master's degree
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Senior Staff Software Engineer/Architect - Runtime Engineer

Qualcomm -
Cork, County Cork

Apply Now

Job details

Benefits

Employee stock purchase plan
Bike to work scheme

Qualifications

Doctoral degree
Computer Science
Engineering
System design
Java
Master's degree
C++
SoC
C
Bachelor's degree
Computer Engineering
Linux
Communication skills
Python

Full job description

Company:

QT Technologies Ireland Limited

Job Area:

Engineering Group, Engineering Group > Software Engineering

General Summary:

Job Description

Qualcomm Cloud is seeking a Software Architect / Software Engineer with deep expertise in Linux user-space systems and AI frameworks to define and lead software architecture for next-generation inference platforms built on Qualcomm Cloud AI accelerators (AI 100 and successors).

This role combines technical leadership, architecture ownership, hands-on development, enabling scalable, high-performance APIs and runtime capabilities for ML frameworks such as PyTorch.

The ideal candidate will operate across software layers—from framework integration and runtime APIs to system-level performance optimization—while mentoring engineers and driving architectural direction across teams.

Key Responsibilities

Architecture & Technical Leadership

Define and own the end-to-end architecture for user-space APIs and runtime layers enabling ML workloads on Qualcomm AI accelerators.

Drive design of scalable, performant, and developer-friendly APIs for frameworks such as PyTorch.

Establish design patterns, best practices, and technical standards across the software stack.

Review and approve designs; provide technical guidance to Staff and Senior engineers.

Software Development & System Integration

Lead hands-on development in C/C++ and Python for custom API layers and runtime components.

Architect and implement multi-threaded, high-performance user-space systems.

Drive integration across frameworks, runtime, drivers, and hardware acceleration layers.

Optimize system performance including latency, throughput, and memory utilization.

Cross-Functional & Platform Leadership

Collaborate with hardware, firmware, compiler, and framework teams to ensure cohesive system design.

Influence product and platform direction through architecture decisions and performance insights.

Act as a technical point of contact for complex system issues and customer escalations.

Mentorship & Engineering Excellence

Mentor engineers across levels; elevate team capabilities through design reviews and technical coaching.

Drive innovation in architecture and system design, evangelizing new approaches across the organization.

Required Skills and Experience

1 2 + years of experience in software engineering with strong emphasis on system architecture and design.

Deep expertise in Linux user-space development and API design.

Strong proficiency in C/C++ (1 2 + years) and Python.

Experience designing multi-threaded and high-performance systems.

Solid understanding of SoC architecture (CPU, memory hierarchy, interconnects, IO subsystems).

Experience with source control and configuration management systems.

Proven ability to lead architecture across teams and influence technical direction.

Strong communication skills and ability to drive alignment across cross-functional stakeholders.

Preferred / Desirable Skills

Familiarity with CUDA, NCCL, or equivalent accelerator programming models.

Experience with IREE or ML compiler/runtime stacks.

Understanding of PyTorch 2.0 (PT2) architecture and execution model.

Knowledge of high-speed interfaces such as PCIe and RoCE .

Experience with large-scale or heterogeneous compute systems.

Where you will be working

Cork has a proud reputation as Ireland's second largest economic engine and is now one of the Top 20 location choices in Europe with 39,000 people being employed by over 170 overseas companies.
There's a growing diversity in the region with people from many nationalities relocating to Cork, relishing the opportunity to work and live in a location that offers an excellent quality of life.
A gateway to Europe, Cork airport provides access to almost 50 international destinations including transatlantic air routes.

Equal Opportunities
We are an Equal Opportunity employer; all qualified applicants will receive consideration for employment without regard to race, colour, religion, sexual orientation, gender identity, national origin, disability, veteran status, or any protected classification.

What's on Offer

Apart from working in an open, relaxed and collaborative space, you will enjoy:

Salary, stock and performance related bonus
Maternity/Paternity Leave
Employee stock purchase scheme
Matching pension scheme
Education Assistance
Relocation and immigration support (if needed)
Life, Medical, Income and Travel Insurance
Subsidised memberships for physical and mental well-being
Bicycle purchase scheme
Employee run clubs, including, running, football, chess, badminton + many more

Minimum Qualifications:

Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 6+ years of Software Engineering or related work experience.

OR
Master's degree in Engineering, Information Systems, Computer Science, or related field and 5+ years of Software Engineering or related work experience.
OR
PhD in Engineering, Information Systems, Computer Science, or related field and 4+ years of Software Engineering or related work experience.

3+ years of work experience with Programming Language such as C, C++, Java, Python, etc.

*References to a particular number of years experience are for indicative purposes only. Applications from candidates with equivalent experience will be considered, provided that the candidate can demonstrate an ability to fulfill the principal duties of the role and possesses the required competencies.

Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail [email protected] or call Qualcomm's toll-free number found here . Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries).

Qualcomm expects its employees to abide by all applicable policies and procedures, including but not limited to security and other requirements regarding protection of Company confidential information and other confidential and/or proprietary information, to the extent those requirements are permissible under applicable law.

To all Staffing and Recruiting Agencies : Our Careers Site is only for individuals seeking a job at Qualcomm. Staffing and recruiting agencies and individuals being represented by an agency are not authorized to use this site or to submit profiles, applications or resumes, and any such submissions will be considered unsolicited. Qualcomm does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to our jobs alias, Qualcomm employees or any other company location. Qualcomm is not responsible for any fees related to unsolicited resumes/applications.

If you would like more information about this role, please contact Qualcomm Careers .

Apply Now

Refine Your Search

principal software engineer jobs in ireland

Senior Staff Software Engineer/Architect - Runtime Engineer

Principal Civil Engineer

Software Development Engineer II, Transactional Data Storage

Lead DevOps Engineer

Staff Site Reliability Engineer

Mid-Level Full Stack Java Engineer

Head of Architecture and Engineering Operations

Electrical Project Engineer

Lead Software Developer / Technical Lead – Dublin, Ireland (Hybrid)

FY27 Intern - Software Intern (Data Center, Cloud-AI Engineering) - Cork

Staff Engineer

Engineering Manager - Pay

Principal Data Scientist

Systems Integration Engineering

Staff Engineer, Site Reliability

AI Software Architect – Dublin, Ireland (Hybrid)

FY27 Intern - Software Engineering Internship 2027 - 6 months, Cork

System Applications Engineer

Staff AI/ML Engineer (Robotics)

Senior Principal Analog / Mixed-Signal Design Engineer

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