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Principal Software Engineer Job Opening In Dublin – Now Hiring Toast


Job description

Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love.

Toast is empowering restaurants to build better businesses.

We’re a rapidly growing company that’s revolutionizing the restaurant industry by providing a comprehensive, cloud-based platform that combines point of sale, guest engagement, operations, and team management on a single Android tablet.

We’re passionate about helping restaurants succeed.


About the team:


The Card Readers team is at the heart of Toast's payment processing capabilities.

We develop and maintain seamless integrations with leading card reader vendors, ensuring reliable and secure payment experiences for our restaurant customers.

You'll be working on core components of the Toast platform, impacting thousands of businesses daily.


Bready* to make a change? 


As a Principal Engineer on the Card Readers team, you will be a technical leader responsible for designing, developing, and maintaining our POS payment integrations.

You will work closely with hardware SDKs, the core POS application team, and other cross-functional stakeholders to drive technical decisions and define the target architecture for our payment solutions.

Your expertise in high-throughput asynchronous JVM solutions, coupled with a deep understanding of mission-critical transactional processing, will be crucial in delivering robust and scalable solutions.


About this roll*: (Responsibilities)



  • Architect, design, and develop robust, high-performance applications using Kotlin.

  • Lead technical discussions and decisions on best practices, performance optimizations, and security.

  • Collaborate with cross-functional teams (backend, product, UX/UI, QA) to deliver seamless payment experiences.

  • Optimize mobile payment flows for security, speed, and reliability.

  • Shape the face of development at Toast by helping to balance building maintainable software for long term success, with the need to deliver value to customers in an iterative fashion.

  • Ensure compliance with PCI-DSS, security best practices, and other financial industry standards.

  • Mentor and guide junior engineers, conduct code reviews, and drive best practices 

  • Troubleshoot and resolve complex technical issues, ensuring high availability and performance.

  • Stay up to date with emerging technologies, frameworks, and trends.

  • Leverage cutting edge AI tools to enhance your development workflow, improve velocity, and help pioneer new approaches to building - contributing to a culture of innovation and productivity across the team.


Do you have the right ingredients*?

(Requirements)



  • Expert-level proficiency in Kotlin, Java, and/or JVM languages

  • High scale successes with multi-threading/concurrency (deep experience with coroutines a plus)



  • Experience working in a large project/codebase, architecting for clear domain boundaries, modularity, reusability, and testability

  • Track record of complex and robust SDK integrations completed successfully

  • Experience designing public APIs for hassle-free consumption

  • Expertise in observability, monitoring, and alerting for complex user-device interactions

  • Strong skills in mentoring a team of developers on best practices

  • Openness and enthusiasm for AI tooling to enhance R&D productivity

  • Excellent communication, collaboration, and problem-solving skills that lead others by example


 


AI at Toast
At Toast we’re Hungry to Build and Learn.

We believe learning new AI tools empowers us to build for our customers faster, more independently, and with higher quality.

We provide these tools across all disciplines, from Engineering and Product to Sales and Support, and are inspired by how our Toasters are already driving real value with them.

The people who thrive here are those who embrace changes that let us build more for our customers; it’s a core part of our culture.


Our Spread* of Total Rewards
We strive to provide competitive compensation and benefits programs that help to attract, retain, and motivate the best and brightest people in our industry.

Our total rewards package goes beyond great earnings potential and provides the means to a healthy lifestyle with the flexibility to meet Toasters’ changing needs.

Learn more about our benefits at .



#LI-Hybrid

 


Diversity, Equity, and Inclusion is Baked into our Recipe for Success


At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility.

By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.


We Thrive Together


We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs.

Our goal is to build a strong culture of connection as we work together to empower the restaurant community.

To learn more about how we work globally and regionally, check out: .


Apply today!


Toast is committed to creating an accessible and inclusive hiring process.

As part of this commitment, we strive to provide reasonable accommodations for persons with disabilities to enable them to access the hiring process.

If you need an accommodation to access the job application or interview process, please contact .


------


For roles in the United States, It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment.

An employer who violates this law shall be subject to criminal penalties and civil liability.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Principal Software Potential: Insight & Career Growth Guide


Real-time Principal Software Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Principal Software in Dublin, Ireland, highlighting market share and opportunities for professionals in Principal Software roles.

2333 Jobs in Ireland
2333
1235 Jobs in Dublin
1235
Download Principal Software Jobs Trends in Dublin and Ireland

Are You Looking for Principal Software Engineer Job?

Great news! is currently hiring and seeking a Principal Software Engineer to join their team. Feel free to download the job details.

Wait no longer! Are you also interested in exploring similar jobs? Search now: .

The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Toast adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Ireland laws and regulations

What Is the Average Salary Range for Principal Software Engineer Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in Dublin. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

What Are the Key Qualifications for Principal Software Engineer?

Key qualifications for Principal Software Engineer typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

How Can I Improve My Chances of Getting Hired for Principal Software Engineer?

To improve your chances of getting hired for Principal Software Engineer, consider enhancing your skills. Check your CV/Résumé Score with our free Tool. We have an in-built Resume Scoring tool that gives you the matching score for each job based on your CV/Résumé once it is uploaded. This can help you align your CV/Résumé according to the job requirements and enhance your skills if needed.

Interview Tips for Principal Software Engineer Job Success

Toast interview tips for Principal Software Engineer

Here are some tips to help you prepare for and ace your Principal Software Engineer job interview:

Before the Interview:

Research: Learn about the Toast's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

Additional Tips:

Be Yourself: Let your personality shine through while maintaining professionalism.

Be Honest: Don't exaggerate your skills or experience.

Be Positive: Focus on your strengths and accomplishments.

Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Principal Software Engineer interview at Toast, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Toast's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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