Senior Backend Software Engineer
Horizon Quantum Computing —Dublin, County Dublin
- Full-time
- System design
- Master's degree
- Bachelor's degree
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Senior Backend Software Engineer

Horizon Quantum Computing
Dublin, County Dublin

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Job details

Full-time

Qualifications

Go
Software Engineering
System design
Git
Master's degree
Bachelor's degree
SVN
PostgreSQL
Distributed systems
REST
Computer Engineering
Software development
Agile
Communication skills
Python
Debugging

Full job description

We are seeking a motivated and experienced Senior Backend Software Engineer to drive progress on the company’s platform and support the emerging field of quantum computing. The ideal candidate will bring significant expertise to a fast-growing team, with deep technical knowledge of programming languages and backend software development, as well as a strong understanding of scalability and distributed systems considerations.

Good communication skills, motivation and the ability to work within a diverse team dispersed across multiple time-zones are a must. You will work closely with the Science, Product and Design teams to influence the software architecture for our development tools, and help drive progress towards the company’s vision of being the leading software developer tool for quantum programming.

Responsibilities

Design, develop, and maintain scalable backend systems, APIs, and distributed services using modern technologies
Write clean, efficient, and well-documented code for backend infrastructure, services, and data processing pipelines
Collaborate with software engineers, scientists, designers, and product managers to implement, integrate, test, deploy, and maintain Horizon’s products
Maintain Horizon’s professional software development standards and engineering best practices
Work effectively across multidisciplinary teams to design and implement robust backend architectures and platform services
Innovate and solve complex technical challenges in support of Horizon’s product development, implementing reliable and scalable solutions in code
Proactively contribute to and execute the software and platform roadmap
Provide timely, accurate, and well-researched technical guidance to the Director of Engineering
Identify architectural or technical gaps, recommend improvements, and implement solutions to enhance scalability, reliability, and performance
Mentor junior engineers and support their technical growth and professional development
Maintain clear technical documentation and communicate results internally and externally where required
Contribute to technical reports, research papers, and engineering documentation as needed by the company
Collaborate with employees and external partners to develop and protect novel intellectual property relating to quantum hardware and software innovations
Stay up to date with advancements in backend engineering, distributed systems, cloud infrastructure, and software development practices

Essential Requirements

Bachelor’s degree in software engineering, electronics engineering or related technology area
At least 5 years relevant software engineering experience in a high performing team
Strong understanding of modern backend architectures, distributed systems, APIs, and service-oriented design
Strong, demonstrable knowledge or skills in the following:
- Back-end: Python, Go, or similar
- Database systems: PostgreSQL, MongoDB
- API development and integration: RESTful APIs and backend services
- Messaging, concurrency, and scalable system design principles
Experience designing, building, and maintaining scalable, reliable, and high-performance backend systems
Knowledge of version control systems (Git, SVN), agile development methodologies, and modern software engineering practices
Experience deploying and operating backend services in cloud environments
Strong understanding of testing, debugging, observability, and performance optimisation techniques
Excellent communication skills and the ability to collaborate effectively within multidisciplinary teams
Strong problem-solving skills with a focus on writing maintainable, production-quality code
Proven track record of delivering high-quality software, features, and systems on schedule
Ability to quickly learn and adapt to new technologies and technical domains
Passion for engineering excellence, continuous learning, and innovation
Comfortable working in a fast-paced and technically challenging environment
Ability to quickly learn and ramp up on new technologies
Passion for learning and driven to succeed
Ready for a challenge

Desirable Requirements

Masters Degree in Software Engineering or a related field

About the Company

At Horizon Quantum, our mission is to unlock broad quantum advantage by building the software infrastructure that empowers developers to use quantum computing to solve the world’s toughest computational problems. We're bridging the gap between today’s quantum hardware and tomorrow’s applications through the creation of advanced software development tools. Triple Alpha, our integrated development environment, enables developers to write sophisticated, hardware-agnostic quantum programs at multiple levels of abstraction. Learn more at www.horizonquantum.com.

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