BCM - Temenos Transact Integration Developer

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all. 

Service line - Position Title:  Technology Consulting- BCM – Temenos Transact Integration Developer

Keywords - Temenos Transact (T24) Integration, Temenos Integration Framework (TIF), Interaction Framework (IRIS), API‑led Integration (REST/SOAP), Event Streaming & Outbox, Payments Hub (TPH) Integration, ISO 20022 & SWIFT, MQ & Messaging, JBOSS, TAFJ/jBASE Context, Core Banking Integrations, Cloud‑ready Integration (AWS/Azure/GCP), DevOps & CI/CD, SIT/UAT/Go‑Live, Production Support & Monitoring (Splunk/Dynatrace/Tivoli), Agile/SAFe Delivery, Regulatory & Compliance

At EY, we’re all in to shape your future with confidence.  

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.​  

Join EY and help to build a better working world.  

About Global Delivery Services

Global Delivery Services refers to EY's worldwide network of service delivery centers. The GDS team plays an important role in EY’s strategy by ensuring effective support to EY’s growth agenda.

Our journey started in 2002 with approximately 200 people. Today we stand at 80,000+ professionals in ten locations around the world. We operate in Argentina, China, Hungary, India, Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom.

Client service is focused on providing Consulting, Assurance, Tax, Strategy & Transactions, and Knowledge support to our clients around the world. The teams enable account teams worldwide to provide seamless, high-quality, value-added support, helping deliver exceptional client service.

Enablement Services provides cost-effective, high-skilled, and innovative services to support EY’s global and local enablement teams. Markets, BMC, AWS, Finance and Accounting, Risk Management, Procurement, People Shared Services, IT Service Delivery and IT Global Infrastructure services, are among the services offered by Enablement Services.

Our innovation specialists serve the GDS Client Service and Enablement Services teams, along with Service Lines, Core Business Services and Sectors. The team brings the desired environment, technologies and skilled teams together for facilitation, rapid prototyping and innovative thinking. The competencies offered include analytics, digital, user experience, mobile technology, infrastructure, Microsoft technologies and open innovation.

The Opportunity

We are seeking an experienced Temenos Transact Integration Developer to join our GDS - Banking and Capital Markets practice and play a key role in delivering complex core banking and payments integration programs. This opportunity offers hands‑on ownership of designing and implementing scalable, secure, and high‑performance integrations across Temenos Transact, Payments Hub, channels, and external systems. The role will work closely with architects, delivery teams, and business stakeholders to enable end‑to‑end transformation through modern integration patterns, event‑driven architectures, and API‑led connectivity in a large‑scale, enterprise banking environment.

Your Key Responsibilities

• Design, develop, and implement end‑to‑end integration solutions for Temenos Transact (T24) using Temenos Integration Framework (TIF), Interaction Framework (IRIS), Outbox Event Streaming, APIs, and messaging platforms.
• Build and support integrations between Temenos Transact, Payments Hub (TPH), channels, middleware, and external systems.
• Develop and maintain REST/SOAP services, synchronous and asynchronous integration patterns, and event‑driven architectures.
• Ensure integrations are scalable, secure, resilient, and aligned with enterprise and regulatory requirements.
• Own integration delivery across requirements, design, development, SIT, UAT, cutover, and production rollout phases.
• Collaborate with solution architects, functional teams, and platform teams to ensure integration designs align with overall solution architecture.
• Lead integration impact assessments and manage dependencies across upstream and downstream systems.
• Support data migration, reconciliation, and interface validation activities.
• Support integration with payments platforms, including Temenos Payments Hub, SWIFT, real‑time payments, RTGS, ACH, and ISO 20022 flows.
• Design and implement STP‑enabled integration flows, exception handling, retries, and reconciliation mechanisms.
• Ensure consistency across message formats, canonical models, and integration standards.
• Provide advanced support for production integration issues, including root cause analysis and long‑term remediation.
• Use logging, monitoring, and tracing tools such as Splunk, Dynatrace, Tivoli, or equivalent to ensure operational stability.
• Ensure integrations meet non‑functional requirements such as performance, availability, and auditability.
• Act as an integration SME, advising business, delivery, and architecture stakeholders.
• Mentor and guide junior integration developers and offshore teams.
• Participate in architecture reviews, design forums, and governance meetings.
• Support pre‑sales activities, including integration solutioning, estimations, and RFP inputs (manager level).

Skills and attributes for success

Core Technical & Integration Skills

• Strong experience in Temenos Transact (T24) integration landscape.
• Hands‑on expertise with:
• Temenos Integration Framework (TIF)
• Interaction Framework (IRIS)
• Outbox & Event Streaming
• REST / SOAP APIs
• MQ / messaging platforms
• JBOSS / application servers
• Sound understanding of TAFJ / jBASE, EB services, and T24 data structures (for integration context).
• Experience integrating T24 with TPH, middleware, channels, and external systems.
• Knowledge of ISO 20022, SWIFT messaging, and payment integration patterns.
• Strong SQL skills and understanding of UNIX/Linux environments.

Delivery & Platform Expertise

• Proven experience delivering large‑scale integration programs in core banking environments.
• Exposure to cloud‑native architectures and hybrid integration models (AWS, Azure, GCP preferred).
• Experience working in Agile / SAFe delivery environments.
• Strong understanding of non‑functional requirements, security, and compliance standards.
• Strong communication and stakeholder‑management skills
• Ability to influence design and delivery decisions across teams
• Proactive problem‑solving mindset with high ownership
• Comfortable operating in high‑pressure, production‑critical environments
• Passion for building clean, maintainable, and future‑ready integration solutions
• Mentoring mindset and ability to build high‑performing integration teams (manager level)

Preferred Qualifications

• Temenos certification (Transact / Integration / Architecture)
• Experience working with Tier‑1 banks or large financial institutions
• Exposure to regulatory and compliance‑heavy environments
• Experience in modernization, microservices, or event‑driven transformation programs

What we offer you

At EY, we’ll develop you with future-focused skills and equip you with world-class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more. 

Are you ready to shape your future with confidence? Apply today.  

To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.

Our Commitment: As a commitment, we persistently endeavour to embody our values, fulfil our purpose, and champion inclusiveness. Our dedication is to cultivate EY into an environment where diverse perspectives are celebrated, creating a supportive atmosphere for individuals to authentically be themselves and contribute their utmost.

Professional Development: From entry-level employees to senior leaders, we believe in continuous learning. We offer opportunities to build new skills, take on leadership roles, and connect and grow through mentorship.

People and Culture: In our dynamic workplace, diversity, equity, and inclusiveness are ingrained in our culture. We're united by a commitment to create an environment where every individual's differences are valued, practices are equitable, fostering a sense of belonging. Our shared values include integrity, respect, teaming, inclusiveness, energy, enthusiasm, courage to lead, and building relationships based on doing the right thing.

Benefits: Embark on a transformative career journey with us and indulge in a suite of premium benefits, encompassing exclusive health and wellness packages, enticing rewards, and cutting-edge learning opportunities that empower you to continually grow and excel in your professional and personal development.

How to Apply: If you are passionate to join us and are aligned with our commitment to building a better working world, we invite you to apply by completing our user-friendly form with personal and professional information and by providing your consent to data privacy.

Successful candidates advance to a competency-based interview. If mutual interest persists, a job offer awaits.

“We are an equal opportunity employer and are committed to Diversity, Equity & Inclusion”.

EY  |  Building a better working world 

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets. 

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow. 

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories. 

EY | Building a better working world 

 
EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.  

 
Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.  

 
Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.