Find Architect contract Jobs in Dublin, D

Quality Architect OmniPay Modernisation
Fiserv —Dublin, County Dublin
- Full-time
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- From €24,000 a year
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3d
Senior Architect - Dublin Office
Reddy Architecture and Urbanism —Dartry, County Dublin
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10d
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Eurofins —Dublin, County Dublin
- Full-time
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Digital AI Solution Architect
EXL Service —Dublin, County Dublin
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Codec —Dublin, County Dublin
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Machine Learning Engineer
DocuSign —Dublin, County Dublin
- Azure
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Head of Responsible AI- Vice President
EXL Service —Dublin, County Dublin
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Senior Database/Data Warehouse Microsoft Fabric Consultant - contract
TEKenable —Dublin, County Dublin
- Hybrid work
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Senior Manager, Architecture & Components
Bristol-Myers Squibb —Dublin, County Dublin
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Malone O'Regan —Dublin, County Dublin
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Solution Architect, Data
Primark —Dublin, County Dublin
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SYSTRA —Dublin, County Dublin
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Senior Manager Business Development Lead - Managed Services
PwC —Dublin, County Dublin
- Full-time
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Electrical Design Engineer
Mercury Engineering —Dublin, County Dublin
- No degree
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Utilities Interface Engineer
Turner & Townsend —Dublin, County Dublin
- Full-time
- Analysis skills
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- Organisational skills
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Quick apply
14d
Senior Project Manager - Civil Infrastructure
Ramboll —Dublin, County Dublin
- Full-time
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- Microsoft Powerpoint
- Project management
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Quality Architect OmniPay Modernisation

Fiserv -
Dublin, County Dublin

Apply Now

Job details

Full-time
7 hours ago

Qualifications

CI/CD
Data modelling
AWS
Distributed systems
Terraform
Kafka

Full job description

Location: Dublin, Ireland

Job ID: R-10373015

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

Quality Architect OmniPay Modernisation

About your role:

We are looking for a Quality Architect to own the programme-level quality strategy across all five domains. Your focus is the quality of the end-to-end transaction chain, the integrity of contracts between domains, and proving that the new platform produces the same financial outcomes as the legacy system. This role is roughly 70% defining what needs to be tested and coaching teams, 30% hands-on building of shared tooling and frameworks that no single domain team would own.

About the Programme

We are modernising a large-scale payment acquiring platform, replacing a monolithic batch processing system with event-driven microservices on AWS. The platform processes millions of transactions daily for institutions globally, covering the full acquiring lifecycle: transaction pricing, capture, clearing and settlement with card schemes, merchant funding, and disputes.

The modernisation spans five independent processing domains, each with its own engineering team. The modernisation programme is scaling to 40-50 engineers. Migration is incremental, with legacy and new systems running in parallel during the transition.

What you’ll do:

Define testing standards for domain teams: required testing levels, where contract tests are mandatory, what gates deployments in CI.
Own cross-domain test scenarios that exercise the full transaction lifecycle across multiple domains.
Identify integration risks and edge cases that fall between teams — the failure modes no single domain would think to test.
Lead the integration of quality tooling and best practices into CI pipelines, ArgoCD GitOps workflows, and Terraform-managed infrastructure.
Own the programme-level approach to performance, resilience, and failover testing - particularly load validation at production-scale volumes before institution cutovers
Define and validate back-pressure, retry, and degradation behaviour across the event-driven pipeline under stress conditions
Design and own the approach for proving that the new platform produces the same financial results as the legacy system - same fees calculated, same merchant payouts, same clearing outputs, same settlement positions
Build the comparison tooling and reporting that gives the programme confidence to cut institutions over from legacy to new
Define the test environment strategy: topology, provisioning, and lifecycle management across the platform's infrastructure stack
Own the synthetic data strategy and curate golden datasets for parity validation runs
Ensure test data management practices support reproducible, reliable cross-domain testing without dependency on production data
Define the acceptance criteria for migrating an institution to the new platform - covering functional parity, non-functional thresholds, and operational readiness
Design the onboarding validation suite that proves all domains are correctly configured and processing end-to-end for a given institution
Provide quality evidence that supports cutover decisions
Define the metrics, logging, and tracing standards that domain teams must implement to make quality status measurable - not just in test environments but as production health indicators
Give programme leadership clear visibility into quality status: domain boundary test coverage, parity validation progress, non-functional readiness, and institution go-live status
Identify cross-domain quality risks early - before they block milestones

Experience you’ll need to have:

Programme-level quality ownership across multiple engineering teams - defining strategy and standards
Migration or platform replacement validation - proving a new system matches an old one at scale, including defining equivalence criteria, managing expected differences, and building comparison approaches
Financial services domain - payments, acquiring, issuing, or banking.
Technical literacy - able to read event schemas, understand data models and have informed conversations with engineers about testing approaches
Non-functional testing - performance, resilience, failover, and back-pressure validation for high-throughput distributed systems
CI/CD integration - embedding quality checks in pipelines, defining deployment gates, keeping test suites fast and maintainable
Test environment and data management - provisioning strategies, synthetic data generation, golden dataset curation for cloud-native platforms (AWS or equivalent)

Experience that would be great to have:

Card acquiring or issuing platform experience
Event-driven architecture testing - Kafka, schema evolution, async processing challenges (ordering, idempotency, eventual consistency)

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

Refine Your Search

architect contract jobs in dublin, d

Quality Architect OmniPay Modernisation

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Head of Product Management LIMS / LIS Clinical Diagnostics

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