Senior Backend Engineer (Python) – Greenfield Project

Archer (Ireland); Dublin; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Excellent culture

Career progression

Job summary

Archer (Ireland) is seeking a Senior Backend Engineer to join a tech-focused team building cloud-native Python services and AI-enabled solutions. You will own backend components, work on greenfield development and integrate LLMs into production-ready systems.

The role offers a collaborative environment, modern stack (Python, FastAPI/Flask/Django, AWS), strong engineering culture and clear career progression in a thriving Dublin centre.

Qualifications

• Strong professional Python software engineering experience.
• Experience building backend apps, APIs and services with Python.
• Experience with FastAPI, Flask or Django.
• Experience with LLMs and AI APIs.
• Strong backend architecture and software engineering skills.
• Experience with cloud technologies, ideally AWS.
• Knowledge of microservices, containers and modern dev practices.
• Right to work in Ireland without sponsorship (Stamp 4 / EU/EEA/Swiss).

Responsibilities

• Senior Backend Engineering role with technical ownership.
• Build scalable, high-performance backend applications and services.
• Greenfield development using Python and modern backend technologies.
• Work with LLMs and emerging AI technologies.
• Tech stack includes Python, FastAPI, Flask, Django, AWS and microservices.
• Cloud-native development, containerisation and distributed systems.
• Agile, DevOps, test automation and CI/CD practices.
• Great culture and highly skilled engineering team.
• Strong career progression in a technology-focused environment.

Skills

Python

Backend engineering

APIs

AWS

Tools

FastAPI

Flask

Django

AWS

Microservices

Job description

• Greenfield Development
• Python, Backend Engineering & AI
• Cloud Native – AWS
• Excellent Culture & Career Progression

Exciting Senior Backend Engineer opportunity to join an established, technology-focused business at an exciting stage of its development. Join a highly skilled, cross-functional engineering team building modern, cloud-native applications and exploring the integration of AI and LLM technologies.

You’ll work on greenfield backend development, building scalable Python applications and services, working with modern frameworks and integrating LLMs to deliver innovative, production-ready solutions.

You’ll collaborate with a talented team of engineers using modern engineering practices, including Agile, CI/CD, test automation and a strong ownership mindset.

The ideal candidate will have a strong Python backend engineering background, experience building scalable applications and an interest or experience in working with LLMs and AI technologies. The environment is open and collaborative, with passionate, friendly people and a genuine focus on engineering quality.

Role / opportunity:

• Senior Backend Engineering role with real technical ownership
• Build scalable, high-performance backend applications and services
• Greenfield development using Python and modern backend technologies
• Opportunity to work with LLMs and emerging AI technologies
• Tech stack including Python, FastAPI, Flask, Django, AWS and microservices
• Cloud-native development, containerisation and distributed systems
• Agile, DevOps, test automation and CI/CD
• Great culture and highly skilled engineering team
• Technology-focused environment with excellent career progression

Skills / experience:

• Strong professional Python software engineering experience
• Experience building backend applications, APIs and services using Python
• Experience with frameworks such as FastAPI, Flask or Django
• Experience building or integrating applications using LLMs and AI APIs
• Strong understanding of backend architecture and software engineering principles
• Experience working with cloud technologies, ideally AWS
• Knowledge of microservices, containerisation and modern development practices
• Must have the right to work in Ireland without requiring employment sponsorship (Stamp 4 or EU/EEA/Swiss passport).

Package:

• Permanent opportunity
• Dublin City Centre