Find Stack developer Jobs in Castleknock County Dublin

Senior Developer
Fiserv —Dublin, County Dublin
- Full-time
- Java
- Master's degree
- AWS
Senior Full-Stack Developer
G MASS —Dublin, County Dublin
- Hybrid work
- Computer Science
- Engineering
- Java
Quick apply
Lead Software Engineer- Backend
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Computer Science
- DevOps
- System design
Senior Full Stack Developer
Version 1 —Dublin, County Dublin
- €60,000–€75,000 a year
- Full-time
- Oracle
- Computer Science
- DevOps
- Employee assistance program
- Employee discount
Quick apply
Senior Engineering Manager, API Hub
Bentley Systems —DUBLIN 2, County Dublin
- Communication skills
Staff Technical Product Marketing Manager, Context Engineering
MongoDB —Dublin, County Dublin
- Azure
- AWS
- Product management
Senior Software Developer (CMS)
DOCOsoft —Clonskeagh, County Dublin
- Full-time
- Hybrid work
- Azure
- SQL
- AWS
- Annual leave
Quick apply
Lead Full Stack Developer
Citi —Dublin, County Dublin
- €93,280 a year
- Full-time
- Hybrid work
- Azure
- Java
- Master's degree
Senior Software Developer
Canada Life —Dublin, County Dublin
- Azure
- Oracle
- DevOps
Senior Fullstack Developer
Newcode.ai —Dublin, County Dublin
- Full-time
- Hybrid work
- English
- Master's degree
- JavaScript
Quick apply
Staff Product Manager
MongoDB —Dublin, County Dublin
- Azure
- AWS
- Product management
Senior Java Full Stack Developer
Tata Consultancy Services —Dublin, County Dublin
- Call to connect
- Oracle
- Java
- SQL
4d
Director of Business Operations
Horizon Quantum Computing —Dublin, County Dublin
- Full-time
- Doctoral degree
- Bachelor's degree
- Business
11d
Applications Development Technology Lead
Citi —Dublin, County Dublin
- €93,280 a year
- Full-time
- Hybrid work
- Engineering
- Java
- Master's degree
12d
Technical Services Engineer - Partners
MongoDB —Dublin, County Dublin
- Azure
- Java
- AWS
Manager, Engineering (Backend Development)
Sonatus —Dublin, County Dublin
- Computer Science
- Engineering
- Java
- Annual leave
- Life insurance
Quick apply
Principal Engineer - Product Group Engineering Modernisation & AI Adoption
U.S. Bank National Association —DUBLIN 18, County Dublin
- €117,980–€138,800 a year
- Full-time
- Azure
- Computer Science
- Engineering
Senior Software Engineer
Daon Inc —Dublin, County Dublin
- Full-time
- Hybrid work
- Computer Science
- System design
- Java
Quick apply
2d
Senior AI Developer
Citco —Dublin, County Dublin
- Full-time
- Computer Science
- DevOps
- Master's degree
Product Manager, Marketing Technology & Innovation
Take-Two Interactive Software, Inc. —Dublin, County Dublin
- Budgeting
- Communication skills
- Marketing
- Employee discount
- Gym membership
Quick apply

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Senior Developer

Fiserv -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

CI/CD
Law
Kubernetes
Java
Master's degree
AWS
GitHub
Kafka
AI
Communication skills

Full job description

Location: Dublin, Ireland

Job ID: R-10373246

Category: Technology

Onsite

Posting Start Date: Posting Start Date: 05-July-2026

Posting End Date: Posting End Date: 28-September-2026

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Senior Developer

About your role:

At Fiserv we are reimagining payment technology through an AI-first transformation. As a Senior Software Developer, you will pair deep engineering expertise with AI-assisted delivery to build the next generation of event-driven, cloud-native payment services. You will architect and ship resilient platforms, champion responsible AI adoption, and help teams move faster while staying compliant and secure.

What you’ll do:

Design, build, and ship high-quality microservices and event-driven capabilities that power modern experiences.
Partner with architecture, product, data science, and AI platform teams to embed machine learning and AI-assisted workflows in customer and operational journeys.
Lead the decomposition and modernisation of legacy components, applying domain-driven design, strangler patterns, and AI-accelerated refactoring techniques.
Curate, instrument, and document systems so AI copilots and autonomous runbooks can observe, learn, and act safely (telemetry, feature flags, guardrails).
Drive engineering excellence through thoughtful design reviews, automated testing, chaos/resilience practices, and codified reliability standards.
Improve developer experience with automated pipelines, infrastructure-as-code, policy-as-code, and AI-enabled tooling that shorten feedback loops.
Coach and mentor engineers on AI-first ways of working: prompt literacy, pair-programming with copilots, responsible-use guidelines, and experimentation discipline.
Balance transformation ambition with delivery commitments by making pragmatic, data-informed engineering trade-offs and communicating risks early.

Experience you’ll need to have:

Proven experience delivering software in complex, distributed, highly regulated environments.
Expert-level Java skills plus fluency with modern frameworks, testing libraries, and build tooling.
Hands-on experience with AWS (or comparable cloud) and building cloud-native, containerised services on Kubernetes.
Working knowledge of event-driven architectures and streaming platforms such as Kafka; able to model, test, and operate event flows at scale.
Experience with CI/CD, infrastructure automation, observability stacks, and Site Reliability/DevOps practices.
Demonstrated use of AI-assisted engineering tools (e.g., GitHub Copilot, internal copilots) or building ML/LLM-enabled services; comfort applying AI responsibly.
Strong collaboration and communication skills with the ability to influence cross-functional partners and navigate enterprise governance.

Thank you for considering employment with Fiserv. Please:

Apply using your legal name
Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

Apply Now

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stack developer jobs in castleknock county dublin

Senior Developer

Senior Full-Stack Developer

Lead Software Engineer- Backend

Senior Full Stack Developer

Senior Engineering Manager, API Hub

Staff Technical Product Marketing Manager, Context Engineering

Senior Software Developer (CMS)

Lead Full Stack Developer

Senior Software Developer

Senior Fullstack Developer

Staff Product Manager

Senior Java Full Stack Developer

Director of Business Operations

Applications Development Technology Lead

Technical Services Engineer - Partners

Manager, Engineering (Backend Development)

Principal Engineer - Product Group Engineering Modernisation & AI Adoption

Senior Software Engineer

Senior AI Developer

Product Manager, Marketing Technology & Innovation

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