Senior T24 Architect (banking)

Jelber; Stockholms kommun; Hybrid; SEK 1,400,000 - 2,000,000; Full time

Job summary

Jelber is seeking an experienced Senior T24 Architect to shape the evolution of a large Core Banking environment. You will define and guide the Temenos T24 landscape architecture, ensuring alignment with business and technology strategy across markets.

You will lead architecture across complex initiatives, translating business needs into robust, scalable solutions and promoting API-first, cloud-enabled patterns.

Qualifications

• 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.

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.

Skills

Temenos T24

Temenos Transact

Architecture leadership

Core Banking

Systems integration

Stakeholder management

Multi-market delivery

Job description

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

Location: Stockholm, Helsinki or Copenhagen (2-3 days at the office)

Deadline: 31st October

From: 1st oct 2026 to 31st of march 2027

Contact: Thomas Kragh, Jelber – [e-mail]