Junior Software Engineer

Company: MCS Group
Apply for the Junior Software Engineer
Location: Belfast
Job Description:

Junior Backend Engineer (1-3 Years’ Experience)

Belfast | Hybrid | Full-Time

About the Company

We’re partnering with an innovative AI software company that’s building intelligent products for large organisations. Their platform combines cutting-edge AI with human collaboration to help businesses work smarter, automate complex processes, and unlock the full potential of artificial intelligence.

As the company continues to grow, they’re looking to add a Junior Backend Engineer to their engineering team.

The Role

This is an excellent opportunity for an engineer with 1-3 years’ commercial experience who wants to accelerate their career in AI and cloud technologies.

You’ll work alongside experienced software engineers, contributing to the design and development of the APIs, services and backend systems that power AI-driven products. From day one, you’ll be given real responsibility, plenty of support, and the chance to learn from a highly collaborative engineering team.

What You’ll Be Doing

Backend Development

  • Build and maintain backend services using Node.js or Python

  • Develop and support REST APIs and microservices

  • Write clean, well-tested and maintainable code

  • Contribute to the ongoing improvement of engineering standards and best practices

Cloud & Infrastructure

  • Deploy and maintain applications on Google Cloud Platform (GCP)

  • Work with Docker and Kubernetes in a cloud-native environment

  • Use monitoring and logging tools to troubleshoot and improve application performance

Collaboration

  • Work closely with engineers, designers and product teams

  • Participate in code reviews, sprint planning and technical discussions

  • Learn from senior engineers while contributing to real customer-facing products

What We’re Looking For

We’re looking for someone with 1-3 years’ experience in software engineering who is passionate about backend development and eager to continue learning.

Essential Skills

  • Commercial experience with Node.js and/or Python

  • Understanding of REST APIs, asynchronous programming and backend development principles

  • Experience with Git and collaborative development workflows

  • Knowledge of relational or NoSQL databases such as PostgreSQL, MongoDB or Redis

  • Exposure to cloud platforms (GCP is a bonus)

  • Experience using Docker and an understanding of Kubernetes

Nice to Have

  • Python scripting experience

  • Familiarity with React

  • Knowledge of Graph Databases

  • Experience working with or running local LLMs

  • An interest in AI, machine learning or modern cloud technologies

What’s On Offer

  • Work on cutting-edge AI products from day one

  • Learn from an experienced, supportive engineering team

  • Genuine opportunities for career progression and technical development

  • Hybrid working

  • 25 days annual leave plus NI bank holidays

  • Private medical insurance

  • EMI share options in a fast-growing technology business

  • Early finish every Friday at 3pm

  • The last Friday of every month off

  • 4-day working weeks throughout July, August and December

If you’re an ambitious engineer looking to build your career in AI while working with modern technologies in a collaborative environment, we’d love to hear from you.

Skills:Node.js Python Backend Development REST APIs Google Cloud Platform (GCP) Docker & Kubernetes Microservices

Benefits:Work From Home

WHJS1_NI

Posted: June 29th, 2026