Back End Developer

Sabeo; Dublin; On-site; EUR 90,000 - 130,000; Full time

Job summary

Sabeo in Ireland is seeking a Senior Back End Developer to build scalable server-side logic and robust APIs using Node.js. You will design, implement, and maintain microservices, ensure resilient back-end infrastructure, and collaborate with front-end teams and third-party systems.

The role requires strong database expertise (SQL/NoSQL), experience with cloud platforms (Azure), and CI/CD pipelines. You will provide technical leadership in sprint planning, own backend architecture, and help drive

Qualifications

• Minimum 5 years as Back End Developer in complex tech environments.
• Experience with REST/GraphQL APIs and microservices architecture.
• Proficiency with databases (SQL/NoSQL) and caching technologies.
• Cloud experience (Azure preferred) and CI/CD pipelines for automated deployment.

Responsibilities

• Design, develop, and maintain server-side applications and microservices using Node.js.
• Architect and manage secure, high-performance APIs for web and mobile.
• Integrate applications with third-party suppliers, legacy systems, and internal data sources.
• Design and maintain database schemas (SQL or NoSQL) to support data-driven apps.
• Perform root cause analysis and ensure production stability and security.

Skills

5+ years backend experience

Strong communication

Self-driven

Tools

Node.js

Python

Go

SQL

PostgreSQL

MongoDB

Redis

Azure

CI/CD

Jira

Job description

Eligibility criteria:- Stamp 4, Irish, or EU Citizen only

The Senior Back End Developer will be responsible for building scalable, secure, and efficient server-side logic and APIs. The successful candidate will ensure that the back-end infrastructure is resilient, well-documented, and seamlessly integrated with various front-end applications and third-party systems.

Key Responsibilities

• Design, develop, and maintain server-side applications and microservices using Node.js.
• Architect and manage secure, high-performance APIs (REST or GraphQL) for web and mobile consumption.
• Integrate applications with third-party suppliers, legacy systems, and internal data sources.
• Design and maintain database schemas (SQL or NoSQL) to support data-driven applications.
• Perform root cause analysis of technical issues and ensure the stability and security of the production environment.
• Collaborate with Enterprise Architects to ensure alignment with data governance, security protocols, and cloud infrastructure standards.
• Provide technical leadership during sprint planning and refinement, ensuring back-end tasks are well-defined and estimated accurately.
• Support the Programme Manager by providing transparency on technical progress and managing backend-related dependencies.

Knowledge, Skills and Experience

• A minimum of 5 years’ experience as a Back End Developer working in complex technical environments.
• Proficiency in other relevant languages (e.g., Python, Go) or frameworks is an advantage.
• Deep understanding of database management (e.g., MSSQL, PostgreSQL, MongoDB) and caching strategies (e.g., Redis).
• Experience with cloud platforms (Azure preferred) and CI/CD pipelines for automated deployment.
• Highly organized and detail-oriented, with a focus on writing clean, maintainable, and well-tested code.
• Strong communication skills, enabling you to build trust within technical teams and translate complex technical concepts for stakeholders.
• Self-driven and accountable, with a strong sense of ownership over the server-side architecture.
• Experience working in an agile project delivery model, plus experience of relevant tools such as Jira or DevOps.