Senior Solution Architect - Data Products & Domain APIs

Lokki Henkilöstöpalvelut Oy; Helsinki; On-site; EUR 110,000 - 150,000; Full time

Job summary

Lokki Henkilöstöpalvelut Oy is seeking an experienced Senior Architect to shape the future of banking technology in Helsinki. You will lead architecture for domain-oriented data products and APIs, partnering with architects, engineers, product managers and stakeholders to deliver scalable, secure solutions across multiple streams.

You will establish data and API capabilities, guide interfaces and governance, and mentor teams to ensure decisions align with architectural guardrails.

Qualifications

• Significant experience in Solution Architecture, Domain Architecture, Enterprise Architecture or a comparable senior architecture role.
• Experience leading architecture across multiple teams, products or technology domains.
• Strong understanding of banking technology and business processes.

Responsibilities

• Lead architecture across domains and define the architecture vision, principles and roadmap for Data Products and Domain APIs.
• Align business capabilities, data assets, APIs and technology platforms across multiple delivery streams.
• Oversee the end-to-end solution architecture and coordinate the work of software architects in delivery streams.
• Identify interfaces, data flows and cross-domain dependencies and guide teams in evaluating solutions.
• Establish patterns and standards for domain-owned data products that are discoverable, trustworthy and governed.
• Clarify data ownership, product boundaries, quality expectations and metadata responsibilities.
• Partner with stakeholders to maximise value and safe use of data across the organization.
• Promote modern data architecture practices including data product thinking and domain ownership.
• Define API-first architecture principles, design standards, governance and lifecycle management.
• Guide domain boundaries, API contracts, versioning, security and reusable integration patterns.
• Ensure APIs are secure, scalable, resilient and easy for consumers to use.
• Support event-driven and service-oriented integration approaches where valuable.
• Define solution-level functional and non-functional requirements for availability, performance and security.
• Define subsystems and interfaces, allocate responsibilities and clarify interactions with the wider context.
• Build and maintain the architectural runway for sustainable delivery and future change.
• Enable Continuous Delivery and DevOps through pragmatic design guidelines and automation.
• Work with Product, Solution Management, engineers, Enterprise Architects and suppliers.
• Contribute architectural expertise to planning, design reviews and demonstrations.
• Mentor architects and engineering teams to enable decentralised decision-making.

Skills

Domain architecture

Solution architecture

Enterprise architecture

Leading cross-team architecture

Banking technology

Tools

Core Banking platforms

Job description

Lokki Henkilöstöpalvelut Oy is seeking an experienced Senior Architect to shape the future of banking technology in Helsinki. You will lead architecture for domain-oriented data products and APIs, partnering with architects, engineers, product managers and stakeholders to deliver scalable, secure solutions across multiple streams.

You will establish data and API capabilities, guide interfaces and governance, and mentor teams to ensure decisions align with architectural guardrails.