Find backend developer Jobs in dublin 1 county dublin

Senior FastAPI Developer
Newcode.ai —Dublin, County Dublin
- Full-time
- Hybrid work
- English
- Master's degree
- SQL
Quick apply
Lead Software Developer / Technical Lead – Dublin, Ireland (Hybrid)
Hadfield Green —DUBLIN 2, County Dublin
- System design
- JavaScript
- Software development
2026 Fall Co-Ops - Software Development - Demonware (Dublin)
Activision —Dublin, County Dublin
- Java
- SQL
- C++
9d
Senior Full-Stack Developer
G MASS —Dublin, County Dublin
- Hybrid work
- Computer Science
- Engineering
- Java
Quick apply
15h
Staff Software Engineer
Sirius XM —Dublin, County Dublin
- Full-time
- Remote
- System design
- AWS
- Bachelor's degree
7d
Founding Mobile Developer - Dublin
Seapoint —Dublin, County Dublin
- Hybrid work
- Banking
Quick apply
Senior II Backend Engineer
Ethyca —Dublin, County Dublin
- Full-time
- Azure
- System design
- AWS
Quick apply
Sr Software Engineer - SAP Commerce Cloud
Henry Schein Ireland —Dublin, County Dublin
- Full-time
- Computer Science
- DevOps
- Java
Senior Software Engineer
GreyScout —DUBLIN 1, County Dublin
- Computer Science
- SQL
- Bachelor's degree
- Annual leave
Lead Full Stack Engineer - Operating Systems
Kohlberg Kravis Roberts & Co. —Dublin, County Dublin
- Java
- Analysis skills
- Bachelor's degree
Technical Support Engineer (Blockchain & Backend Development)
Binance —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- DevOps
- English
Quick apply
Senior Fullstack Developer - Daily Rate (6 Mths)
Citco —Dublin, County Dublin
- Full-time
- Computer Science
- Engineering
- Java
Senior Frontend Developer
Kaseya Careers —Dublin, County Dublin
- JavaScript
- Agile
- AI
Quick apply
14d
Java Technical Lead
Elwood Roberts —Dublin, County Dublin
- €80,000–€90,000 a month
- Full-time
- Java
- AWS
- Leadership
Quick apply
Senior Software Engineer
Sirius XM —Dublin, County Dublin
- Full-time
- Remote
- System design
- AWS
- Bachelor's degree
7d
Manager, Engineering (Backend Development)
Sonatus —Dublin, County Dublin
- Computer Science
- Engineering
- Java
- Annual leave
- Life insurance
Quick apply
Senior Software Engineer, Database - Demonware - Dublin, IRL
Activision —Dublin, County Dublin
- Analysis skills
- No degree
- Agile
2d
Software Engineer - Communications
Phorest —DUBLIN 7, County Dublin
- Remote
- Java
- JavaScript
- Employee assistance program
Quick apply
Team Lead Engineering - Developer Experience (Remote)
SoSafe —Dublin, County Dublin
- Full-time
- Remote
- AWS
- Leadership
- Referral programme
Senior Software Engineer
Adswizz —Dublin, County Dublin
- Full-time
- System design
- AWS
- Bachelor's degree
8d

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Senior FastAPI Developer

Newcode.ai
Dublin, County Dublin

Quick apply

Job details

Full-time

Qualifications

Law
English
Master's degree
SQL
PostgreSQL
Redis
Python

Full job description

Who are we?

We build AI tools for firms in legal and professional services: software people use for real work, not demos. We started a few months ago and already have paying clients who rely on what we ship. The team is small and moving fast.

The role

You'll own the backend behind our AI features. That's the APIs, the data pipelines, and the orchestration sitting between our product and the language models doing the work. In practice it means running retrieval over large sets of documents, getting dependable results out of LLMs and their tool calls, streaming responses to the UI, and processing long jobs in the background without things falling over.

It isn't CRUD work. The hard parts here are keeping AI systems accurate and fast with confidential data, at production scale. You'll make architecture calls early and live with them.

Requirements

What You'll Do

Designing and building the APIs and services our products run on.
Working on the AI plumbing: retrieval, orchestration, tool-calling, response streaming, and the evals that tell us whether the output is any good.
Keeping async and distributed work reliable: document ingestion, embeddings, and long-running jobs on Redis.
Building integrations with the systems clients already use, like email and document stores, and making them hold up under load.
Taking data security and isolation seriously, since clients hand us confidential material.

Who You Are

At least seven years building backend systems that run in production. Depth matters more to us than the number.
You think about how things fail, not just how they behave when everything's fine.
You've built real LLM-powered systems, or you're itching to: RAG, tool-calling, agents. You know where they tend to break.
You use AI coding tools (Claude Code, Cursor, Copilot) and use them well. Faster output, but you understand and stand behind every line; you wouldn't approve sloppy AI-written code in review, so you don't ship it either.
You're fine in a startup that changes direction. Decisions get made, then revisited.

Experience we expect with the stack:

Python: 6+ years
FastAPI: 3+ years
PostgreSQL / SQL
Redis: 2+ years

Nice to have: RAG or vector search experience; LangChain or LlamaIndex; streaming over SSE, WebSocket or SignalR; Microsoft Graph and email integration work.

Benefits

Why Join Us?

Be a driver of innovation in one of Oslo’s most exciting AI ventures
Work with talented peers in a collaborative, high-energy team
Shape both product and culture as we grow
Flexible, English-speaking environment

Quick apply

Refine Your Search

backend developer jobs in dublin 1 county dublin

Senior FastAPI Developer

Lead Software Developer / Technical Lead – Dublin, Ireland (Hybrid)

2026 Fall Co-Ops - Software Development - Demonware (Dublin)

Senior Full-Stack Developer

Staff Software Engineer

Founding Mobile Developer - Dublin

Senior II Backend Engineer

Sr Software Engineer - SAP Commerce Cloud

Senior Software Engineer

Lead Full Stack Engineer - Operating Systems

Technical Support Engineer (Blockchain & Backend Development)

Senior Fullstack Developer - Daily Rate (6 Mths)

Senior Frontend Developer

Java Technical Lead

Senior Software Engineer

Manager, Engineering (Backend Development)

Senior Software Engineer, Database - Demonware - Dublin, IRL

Software Engineer - Communications

Team Lead Engineering - Developer Experience (Remote)

Senior Software Engineer

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