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Ruby on Rails & React Senior Software Engineer

Unum
Irelandfull_timeVerifiedPosted 25 Nov 2025

About the role

Our Story
Unum Technology Centre in Carlow serves as a strategic software development and IT services centre supporting Unum, a leading provider of income protection in the US. Our team of IT professionals build solutions and critical business applications to digitally transform the way we do business.

As a key member of our Agile team, you’ll drive the design, development, and delivery of innovative, cloud-based solutions that align with enterprise architecture standards. You’ll collaborate with Technical Product Owners, Principal Engineers, and business architects to create scalable, high-quality applications.
In this role, you’ll work on our Leave Logic product using Ruby on Rails, React, JavaScript, and AWS services, with expertise in PostgreSQL, RDS, EC2, and ElasticSearch. Beyond building exceptional solutions, you’ll mentor engineers and help shape the future of our technology and talent.

The Role

  • Bachelors of Computer Science is preferred, or equivalent relevant business experience

  • Passionate about delivering solutions that excite and delight our customers; holds self to high standards of delivery

  • 6+ years’ experience in software development and delivery track record in a range or roles in a scrum environment

  • Experience with Ruby On Rails, React, (Java Script, AWS, PostgreSQL, RDS, EC2, Elastic Search) is required.

  • Clearly demonstrates analytical ability and critical thinking skills

  • Takes a logical, analytical approach to problem solving and pays close attention to detail

  • Skilled in Agile development/methodologies

  • Self motivated and results oriented; able to motivate others

  • Takes an innovative approach to problem solving

  • Demonstrates excellent oral and written communication skills; experience leading groups of people through discussions, technical or otherwise

  • Strong team player; able to work effectively within a team and more broadly with people from a variety of backgrounds and areas across the organization.

  • Strong experience of test driven development (TDD) and unit testing, leveraging automation toolsets

  • Strong experience in continuous integration

What you offer

  • Leads the design, development, implementation, and maintenance of new and existing features for applications within a business area.

  • Provides technical leadership and direction for EPIC feature delivery.

  • Ensures application solutions meet agreed quality attributes (e.g., performance, fault tolerance, security, scalability).

  • Designs, codes, configures, tests, maintains, and documents software deliverables using established standards and tools.

  • Collaborates with Principal Software Engineers and architects on coding standards, processes, tooling, and frameworks.

  • Completes design of application components aligned with reference architecture.

  • Actively seeks cloud-based, buy-over-build solutions.

  • Ensures product backlog includes appropriate technical stories and participates in prioritization.

  • Mentors Software Engineers and Associate Software Engineers.

  • Owns application solution quality from design through deployment and operations; contributes to software standards.

  • Communicates and collaborates with key stakeholders to ensure successful feature delivery.

  • Maintains technical understanding of third-party/cloud solutions and their implementation.

  • Evaluates technical impacts and coordinates implementation of new product releases.

  • Participates in sizing, estimation, code reviews, and sprint retrospectives; promotes continuous improvement.

  • Focuses on delivering business value and priorities.

  • Ensures quality of features through manual and automated testing and continuous integration.

  • Designs solutions aligned with company architecture and standards; participates in proof-of-concept and prototyping.

  • Collaborates with Business Analysts to clarify requirements and ensure technical feasibility.

  • Works with UX designers to translate designs into efficient solutions.

  • Partners with Test Engineers to meet definition of done and ensure smooth transition through production stages.

  • Contributes to team innovation by suggesting improvements and evaluating new processes/technologies.

  • Supports transition of features to production, ensuring performance, stability, and compliance with release standards.

  • May serve as Scrum Master for an agile team.

  • Aut

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Company

Unum

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