Senior Architect (banking)

Jelber; Stockholms kommun; Hybrid; SEK 1,200,000 - 1,800,000; Full time

Job summary

Jelber in Stockholm, Helsinki or Copenhagen seeks an experienced Senior T24 Architect to shape a large Core Banking landscape and define the Temenos T24 architecture aligned with business strategy.

You will collaborate with stakeholders, engineers and partners across markets to ensure stability, resilience and platform modernization while promoting API-first and cloud-enabled approaches.

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 track record leading architecture for large-scale transformation or modernization.

Responsibilities

• Shape and evolve the architecture roadmap for Temenos T24 and surrounding Core Banking capabilities.
• Provide end-to-end architectural leadership across complex initiatives.
• Translate business requirements into robust, implementable solutions including integrations across channels and data platforms.
• Identify interfaces, data flows and dependencies across applications and services.
• Evaluate architectural alternatives and trade-offs between value, risk and complexity.
• Drive modernization and API-first, event-driven, cloud-enabled patterns.
• Improve maintainability, testability and operability across markets.
• Define requirements for availability, security, performance and resilience.
• Guide architecture reviews to ensure alignment with standards and regulatory expectations.
• Mentor architects and engineers to foster collaboration and accountable decisions.

Skills

Temenos T24

Core Banking

Architecture Leadership

Multi-market delivery

Regulatory knowledge

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]