Find Senior backend software Jobs in Dublin 12, D

Senior FastAPI Developer
Newcode.ai —Dublin, County Dublin
- Full-time
- Hybrid work
- English
- Master's degree
- SQL
Quick apply
Solution Architect
Version 1 —Dublin, County Dublin
- €75,000–€90,000 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- AWS
- Employee assistance program
- Employee discount
Quick apply
Senior Software Engineer (C++), Video Processing
Protex AI —Dublin, County Dublin
- Full-time
- Hybrid work
- Computer Science
- AWS
- C++
Senior Lead – VOIP Engineer
Sprinklr —Dublin, County Dublin
- Full-time
- Azure
- Management
- Social media management
- Annual leave
Sr. Software Eng, Data Platforms
eBay Inc. —Dublin, County Dublin
- Full-time
- System design
- Java
- AI
Senior Software Developer
Creditsafe —Dublin, County Dublin
- Full-time
- Hybrid work
- AWS
- Communication skills
- Python
- Annual leave
Senior Software Engineer - Core Team
Userpilot —Dublin, County Dublin
- Full-time
- Hybrid work
- System design
- AWS
- Communication skills
Quick apply
Principal Technical Program Manager
Sirius XM —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- Bachelor's degree
- No degree
Digital Architect
Elwood Roberts —Dublin, County Dublin
- €500–€550 a day
- Full-time
- Hybrid work
- Computer Science
- System design
- Java
Quick apply
Senior Product Manager – Reporting & Visualisation
Kitman Labs —Dublin, County Dublin
- Full-time
- Hybrid work
- Research
- AI
- Leadership
Principal Architect (Remote – Ireland)
Hadfield Green —DUBLIN 2, County Dublin
- Remote
- System design
- Java
- Leadership
Principal Technical Program Manager
Adswizz —Dublin, County Dublin
- Full-time
- Computer Science
- Bachelor's degree
- No degree
Senior Core Technologies Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- Annual leave
- Work from home
Database Engineering Team Manager
Squarespace —Dublin, County Dublin
- €93,000–€143,000 a year
- Overtime
- Hybrid work
- No degree
- AI
- Annual leave
- Employee assistance program
Senior Engineer, Applied AI
EXL Service —Dublin, County Dublin
- Full-time
- Hybrid work
- Microsoft Excel
- Azure
- Master's degree
Director of Software Engineering - Workforce ExperienceTechnology
JPMorganChase —DUBLIN 1, County Dublin
- Full-time
- Oracle
- Java
- AWS
Senior Engineer
AccountsIQ —Dublin, County Dublin
- Hybrid work
- Azure
- Computer Science
- DevOps
- Annual leave
Quick apply
Senior Gen AI Developer
Marsh —Dublin, County Dublin
- Full-time
- AWS
- JavaScript
- AI
Senior Cloud Engineer
Sprinklr —Dublin, County Dublin
- Full-time
- Azure
- Management
- Social media management
- Annual leave
Senior Software Engineer
Vectra —Dublin, County Dublin
- Azure
- Engineering
- AWS
- Life insurance
Quick apply

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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

senior backend software jobs in dublin 12, d

Senior FastAPI Developer

Solution Architect

Senior Software Engineer (C++), Video Processing

Senior Lead – VOIP Engineer

Sr. Software Eng, Data Platforms

Senior Software Developer

Senior Software Engineer - Core Team

Principal Technical Program Manager

Digital Architect

Senior Product Manager – Reporting & Visualisation

Principal Architect (Remote – Ireland)

Principal Technical Program Manager

Senior Core Technologies Engineer

Database Engineering Team Manager

Senior Engineer, Applied AI

Director of Software Engineering - Workforce ExperienceTechnology

Senior Engineer

Senior Gen AI Developer

Senior Cloud Engineer

Senior Software Engineer

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