Junior Software Engineer (Full Stack)

MCS Group | Your Specialist Recruitment Consultancy; Dublin; On-site; EUR 33,000 - 55,000; Full time

Job summary

MCS Group is supporting an established business in Dublin to hire a Junior Software Engineer to help enhance its core software platform. You’ll work on a modern TypeScript stack with Node.js/NestJS, React admin portal and Next.js customer site, hosted on AWS.

You’ll start by collaborating with an external development partner and senior developers, then help bring development in-house and shape engineering practices for ongoing growth.

Qualifications

• 2+ years of software development experience with TypeScript/JavaScript.
• Hands-on experience with Node.js/NestJS and React/Next.js.
• Experience with AWS-based deployments and databases (MySQL).
• Knowledge of API integrations and CI/CD pipelines.
• Familiarity with AI-assisted development workflows.

Responsibilities

• Develop new features across backend and frontend.
• Maintain APIs, MySQL databases, and third-party integrations.
• Improve performance, accessibility, reliability, and UX.
• Support real-time functionality and content delivery.
• Collaborate with external partners and internal teams.

Skills

TypeScript

Node.js/NestJS

React/Next.js

AWS

MySQL

TypeORM

CI/CD

AWS CDK

AI-assisted development

EU Citizenship / Stamp 4

Tools

AWS CDK

Job description

MCS Group is proud to be supporting an established business operating across the UK and Ireland in hiring a Junior Software Engineer to help enhance its core software platform.

This role would suit someone who enjoys hands on development, solving technical problems and having a meaningful say in how a product evolves. You’ll work across a modern TypeScript stack, including a Node.js/NestJS backend, React administrative portal and Next.js customer-facing website, hosted on AWS.

You’ll initially work closely with an external development partner as well as senior internal developers, building your understanding of the platform and helping bring development capability in-house. Alongside delivering features and improvements, you’ll help establish the processes and engineering practices that support its ongoing development.

Dublin - 5 days on-site

What you’ll be doing:

• Developing new features, enhancements and bug fixes across backend services and frontend applications
• Maintaining APIs, MySQL databases and third-party integrations, including payments and identity verification services
• Improving application performance, accessibility, reliability and the customer experience
• Supporting real-time functionality, search capabilities and efficient content delivery
• Working with the existing development partner to support knowledge transfer and build internal ownership
• Contributing to automated testing, CI/CD pipelines and AWS infrastructure using infrastructure as code
• Monitoring and troubleshooting production services, with a strong focus on security and maintainability
• Using AI-assisted development tools across planning, implementation, testing, code review and documentation
• Working closely with product and operational teams to understand requirements and deliver practical improvements

What you’ll bring:

• 2+ years' relevant software development experience, with strong TypeScript, Node.js/NestJS and React/Next.js skills
• Practical experience developing and supporting production applications on AWS, alongside infrastructure as code using AWS CDK
• MySQL knowledge, including schema design, indexing, performance optimisation and TypeORM migrations
• Experience integrating third-party APIs, webhooks and payment or identity verification services
• Exposure to automated testing, CI/CD and application security
• Hands-on experience using AI-assisted development workflows, ideally including Claude Code, with clear testing and review practices
• Kindly note Stamp 4 or EU Citizenship required.

Why consider this role?

• Strong growth and mentorship in a growing company
• Work across a modern full stack TypeScript and AWS environment
• Help shape internal development practices as the business builds its engineering capability

Salary:

Up to 55k with comprehensive benefits package