Senior T24 Architect

We are looking for an experienced Senior T24 Architect to shape the evolution of a large and complex Core Banking environment. You will define and guide the architecture of the Temenos T24 landscape, making sure that business capabilities, technology platforms and long-term strategic goals stay aligned.

You will work with business stakeholders, engineers, architects and external partners across multiple markets, providing architectural leadership over several initiatives and delivery streams. Your goal is to protect the stability and resilience of business-critical banking services while enabling platform modernisation and simplification.

Key Responsibilities:
Shape and evolve the architecture roadmap for Temenos T24 and surrounding Core Banking capabilities, defining target-state architecture, principles and standards in line with business and technology strategy
Provide end-to-end architectural leadership across complex initiatives, ensuring consistency, scalability and sustainability of the Core Banking landscape
Translate business requirements into robust, implementable solutions, including integrations between Core Banking and payments, digital channels, lending, deposits, customer management and data platforms
Identify interfaces, data flows and dependencies across applications, infrastructure and external services
Evaluate architectural alternatives and make clear trade-offs between business value, delivery risk and technical complexity
Drive modernisation and simplification of the Core Banking ecosystem, promoting API-first, event-driven and cloud-enabled patterns where appropriate
Improve platform maintainability, testability and operability, and identify opportunities for reuse, automation and standardisation across markets and delivery teams
Define functional and non-functional requirements for availability, security, performance, scalability, resilience and operability
Guide architecture reviews to ensure alignment with enterprise standards and regulatory expectations, and maintain the architectural runway for sustainable delivery
Assess architectural risks, technical debt and lifecycle concerns, and guide proportionate remediation
Act as a trusted advisor for strategic Core Banking initiatives and technology investment decisions, communicating complex topics clearly to technical and non-technical stakeholders
Mentor architects and engineers, fostering collaboration and accountable decision-making within teams

Required Skills and Experience:
Significant experience with Temenos T24 / Temenos Transact in architecture, solution design or senior engineering roles
Deep understanding of Core Banking processes, platform capabilities and integration dependencies
Proven record of leading architecture for large-scale transformation, migration or modernisation initiatives
Experience working across multiple teams, products or markets in a complex enterprise environment
Banking experience involving demanding availability, security, resilience and regulatory requirements

Please apply with your updated CV in English, that clearly demonstrates your skills and experience relevant to this role. We offer continuously, which means that we sometimes remove the assignments before deadline. If you are interested, we recommend that you apply immediately.

Allocation: 100 %
Assignment start date: 1.10.2026
Assignment end date: 31.3.2027, possible extension
Location: Helsinki, Stockholm or Copenhagen (2-3 days at the office)
Language: Fluent in English, both written and spoken

We offer you: We offer a versatile assignment where every day is different and interesting. We also offer a very competitive salary and good employee benefits.

Are you interested in becoming a part of our dynamic team? The position will be filled as soon as a suitable person is found, so please be quick and submit your application!

Please include your salary expectation in your application. For more information, contact Kimmo Kärsämä, tel. 050 412 7500, kimmo.karsama@lokki.fi

Explore Lokki, through our blog and website: https://www.lokki.fi/ https://www.lokki.fi/ .

Lokki Henkilöstöpalvelut Oy (Finnish for Seagull Recruitment Services) has been active in providing recruitment services since 2005 and we belong to The Private Employment Agencies Association HPL. Our vision is to provide the best customer experience with our reliable, humane and effortless service around Finland. Our most important asset is a person who, as we know, thrives in a reliable and supportive atmosphere. At Loki you will be supported by your own human resources consultant throughout your employment relationship. At Lokki, we believe in a partnership achieved as a result of flexible service. Explore us and our vacancies: https://www.lokki.fi/.

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