Find Junior software engineer Jobs in Temple Bar County Dublin

Kernel / Hypervisor Engineer, Firecracker
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- SQL
- AWS
Staff Cloud Backend Engineer (Database)
Sonatus —Dublin, County Dublin
- Computer Science
- Java
- Master's degree
Quick apply
2d
Senior Staff Software Engineer, Perception
AeroVect —Dublin, County Dublin
- Full-time
- Remote
- Doctoral degree
- Computer Science
- Master's degree
Sr Software Engineer - Motorsports
General Motors —Dublin, County Dublin
- Weekend availability
- Azure
- Computer Science
- Master's degree
Senior Data Engineer
Elwood Roberts —Dublin, County Dublin
- €350–€410 a day
- Full-time
- English
- SQL
- AWS
Quick apply
Senior Software Engineer
Semperis —Dublin, County Dublin
- Full-time
- Hybrid work
- Azure
- Computer Science
- DevOps
Staff Engineer, Site Reliability
LearnUpon —Dublin, County Dublin
- On call
- AWS
- AI
- Annual leave
Secondary Project Engineer
Hitachi —Dublin, County Dublin
- Full-time
- Project management
- IT
- Electrical Engineering
Technical Lead
Fiserv —Dublin, County Dublin
- Full-time
- DevOps
- Java
- AWS
Product Designer (Confirmed/Senior) - Remote Europe
Pennylane SAS —Dublin, County Dublin
- Full-time
- Remote
- English
- Mentoring
- Communication skills
Quick apply
Project Design Engineer - Mechanical
Ethos —Dublin, County Dublin
- Hybrid work
- AutoCAD
- Microsoft Office
- Mentoring
- Gym membership
- Referral programme
10d
Document Controller:Rail projects
AECOM —Dublin, County Dublin
- Full-time
- Project management
- SharePoint
Senior Software Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- DevOps
- Java
10d
Senior Lead – VOIP Engineer
Sprinklr —Dublin, County Dublin
- Full-time
- Azure
- Management
- Social media management
- Annual leave
Senior Cloud Engineer
Sprinklr —Dublin, County Dublin
- Full-time
- Azure
- Management
- Social media management
- Annual leave
Senior Mechanical Design Engineer
Manna —Dublin, County Dublin
- €70,000–€90,000 a year
- Full-time
- Hybrid work
- CAD
- Assembly
- Bachelor's degree
Quick apply
Lead Software Engineer (DevOps)
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- Computer Science
- DevOps
14d
Lead Cloud Engineer
Sprinklr —Dublin, County Dublin
- Full-time
- Azure
- Management
- Social media management
- Annual leave
Sr. SDE, Amazon Email Services
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- Java
- AWS
Senior DevSecOps Engineer
Autodesk —Dublin, County Dublin
- €71,000–€104,500 a year
- Full-time
- Engineering
- AWS
- Scripting

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Kernel / Hypervisor Engineer, Firecracker

Amazon Development Centre Ireland Limited -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

Rust (programming language)
Computer Science
SQL
AWS
C++
Bachelor's degree
Software development
GitHub
Linux
ARM

Full job description

DESCRIPTION

Join us at AWS Lambda in Dublin, Ireland, building Firecracker - the open-source virtual machine monitor (VMM) purpose-built for serverless and container workloads. Firecracker runs at global scale as the foundation of AWS Lambda, Aurora D-SQL, and other AWS services, and is integrated by 10+ external teams as part of their platforms.

We are looking for a Kernel / Hypervisor Engineer who is passionate about low-level systems programming and wants to push the boundaries of virtualization technology. In this role, you will work at the intersection of hardware and software - designing and implementing hypervisor components, device emulation, memory management, and guest-host interfaces in Rust on Linux/KVM. Your work will directly impact the security, performance, and efficiency of compute infrastructure serving millions of customers.

Key job responsibilities

Design, develop, and maintain hypervisor and VMM components in Rust, including virtual device emulation, memory management, and vCPU scheduling.
Optimize boot latency, memory footprint, and I/O throughput for ephemeral microVM workloads at global scale.
Harden the security boundary between guest and host, contributing to threat modeling and implementing isolation mechanisms.
Contribute to the upstream Linux kernel where needed to support Firecracker's roadmap.
Mentor and coach junior engineers, drive code quality through reviews, and champion best practices.
Participate in on-call rotation to ensure operational excellence of Firecracker-based services.

A day in the life
Your day might start by reviewing pull requests on the Firecracker open-source repository, providing feedback to community contributors or teammates. You then dive into implementing a new virtio device or optimizing a hot path in the VMM, writing Rust and reasoning about memory safety and performance trade-offs. After lunch, you collaborate with an internal AWS service team that consumes Firecracker to debug a subtle guest-host interaction - perhaps a vCPU scheduling anomaly or an unexpected memory mapping behavior. You wrap up by writing a design doc for an upcoming kernel interface change, getting input from colleagues across the team. Throughout the day, you balance deep technical work with collaboration, working in the open on GitHub alongside a global community.

About the team
We are the Compute Capsule team within AWS Lambda, based in Dublin, Ireland. We own Firecracker end-to-end - from its open-source development on GitHub to its deployment at scale inside AWS. We focus on serverless and container virtualization, trusted compute, and server fleet tooling. We value work-life balance, respect each other's time, and invest in growing every team member through mentorship, challenging assignments, and training. We believe diverse perspectives make us stronger and actively seek team players who thrive in collaborative, inclusive environments.

BASIC QUALIFICATIONS

Experience (non-internship) in professional software development
Hands-on experience with low-level systems programming (e.g., kernel, hypervisor, firmware, or embedded systems)
Proficiency in at least one systems language: C, C++, or Rust
Solid understanding of Linux internals (syscalls, memory management, process Experience with virtualization technologies (KVM, Xen, QEMU, or similar)

PREFERRED QUALIFICATIONS

Experience with Rust in production systems
Contributions to open-source projects (kernel, hypervisor, or systems tooling)
Experience with device emulation or virtio
Familiarity with hardware-assisted virtualization (Intel VT-x, AMD-V, or Arm virtualization extensions)
Knowledge of performance profiling and optimization at the systems level (perf, ftrace, eBPF)
Bachelor's degree or higher in Computer Science, Engineering, or a related field.

Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https://www.amazon.jobs/en/privacy_page) to know more about how we collect, use and transfer the personal data of our candidates.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

Apply Now

Refine Your Search

junior software engineer jobs in temple bar county dublin

Kernel / Hypervisor Engineer, Firecracker

Staff Cloud Backend Engineer (Database)

Senior Staff Software Engineer, Perception

Sr Software Engineer - Motorsports

Senior Data Engineer

Senior Software Engineer

Staff Engineer, Site Reliability

Secondary Project Engineer

Technical Lead

Product Designer (Confirmed/Senior) - Remote Europe

Project Design Engineer - Mechanical

Document Controller:Rail projects

Senior Software Engineer

Senior Lead – VOIP Engineer

Senior Cloud Engineer

Senior Mechanical Design Engineer

Lead Software Engineer (DevOps)

Lead Cloud Engineer

Sr. SDE, Amazon Email Services

Senior DevSecOps Engineer

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