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Senior Full Stack Engineer

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: Ronald James Ltd.
Full Time position
Listed on 2026-09-12
Job specializations:
  • Software Development
    Full Stack Developer, Backend Developer, AWS, Cloud Engineer - Software
Job Description & How to Apply Below

We’re looking for a Senior Full Stack Engineer to help shape and deliver innovative features for SaaS platforms. You’ll work across the stack, contributing to both front-end and back-end development, ensuring a seamless user experience while maintaining technical excellence. This role involves close collaboration with Delivery Managers, Product Managers, and other Senior Engineers, as well as providing technical leadership to ensure high-quality, scalable solutions.

Key Responsibilities:
  • Deliver high-quality features for SaaS products, working across both front-end and back-end technologies.
  • Provide technical leadership and support team members to deliver dependable estimates and evolve best practices.
  • Collaborate with senior stakeholders to refine and execute the technical roadmap.
  • Contribute to building a strong developer community by sharing knowledge and driving best practices.
  • Actively participate in sprint planning and execution.
  • Document technical approaches with a focus on testing, CI/CD, and scalability.
  • Key Requirements:
  • Frontend:
    Experience with React, Redux, and Type Script.
  • Backend:
    Expertise in Node.js microservices and familiarity with REST, GraphQL, asynchronous messaging, and JSON.
  • Proficiency with No

    SQL databases (e.g., MongoDB) and search technologies (e.g., Elasticsearch or Atlas Search).
  • Strong understanding of automated testing, CI/CD pipelines, and integration/unit testing.
  • Excellent communication, leadership, and mentoring skills in a remote, collaborative environment.
  • Pragmatic problem-solving skills and adaptability to change.
  • Passion for personal growth and improving ways of working.
  • Familiarity with AWS services (SNS/SQS, S3, Cloud Formation) and Dev Ops principles.
  • Experience with Docker, AWS ECS, or Kubernetes.
  • Knowledge of modern frontend frameworks/tools such as Vite and Next.js.
  • Experience with end-to-end testing tools like Cypress.
  • Backend frameworks such as Express and Apollo Server.
  • Agile methodology experience in a fast-paced SaaS environment.
  • Understanding of configuring scalable and customizable features for enterprise clients.
  • Additional Notes:

    Candidate contact via phone preferred: .

    This job posting appears active; no indications of expiration are present.

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    Position Requirements
    10+ Years work experience
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