Application and Integration Architect

SEIDOR; Warszawa; On-site; PLN 240,000 - 420,000; Full time

Job summary

SEIDOR in Warsaw seeks an experienced Application and Integration Architect to drive enterprise integration initiatives across data, APIs, and cloud/on‑prem environments.

You will lead architecture direction, design connectors and ESB solutions, and ensure alignment with business needs and OSS standards.

Qualifications

• Extensive experience as an application/ integration architect.
• Proven ability to design enterprise‑level connectors and ESB solutions.
• Strong knowledge of UML and architecture frameworks.

Responsibilities

• Define and enforce standards for solution design and QA.
• Design enterprise‑wide database and data architectures.
• Lead architecture reviews and communicate with stakeholders.
• Assess options, size infrastructure, and document artefacts.
• Collaborate with development teams to deliver scalable solutions.

Skills

Architecture leadership

Enterprise integration

API design

UML modelling

Archimate modelling

TOGAF & frameworks

Cloud & on-prem hybrids

DevSecOps basics

Sparx Enterprise Architect

Tools

TIBCO

MuleSoft

Azure Well-Architected

ArchiMate

Sparx Enterprise Architect

ARIS Architect

Job description

About The Job

We are a large company with a start-up spirit. We organize ourselves into expert knowledge Units that collaborate with each other.

Are you up for the challenge?

We want you to be a part of our team, from Warsaw, as a Application and Integration Architect.

What will you do in your day-to-day?

• Has performed the role of key architect in the development and deployment of at least one enterprise-wide integration platform.
• Has a minimum of two years of experience as an application architect, preferably within the public sector or EU agencies.
• Demonstrates expert knowledge of systems integration architecture at both data and API levels.
• Has expert experience in designing enterprise-level connectors, integration flows, services, and enterprise service bus solutions.
• Demonstrates expert knowledge of capacity planning and security design for integration platform capabilities.
• Is familiar with integration patterns, standards, and models.
• Is familiar with serverless and containerisation platforms across cloud and on-premises environments.
• Possesses excellent technical knowledge of integration platforms such as TIBCO or MuleSoft, service-oriented architecture, databases, application servers, communication middleware, web applications, cloud integration patterns, business intelligence concepts, systems integration, and the Software Development Lifecycle.
• Has sound knowledge of systems and application design using UML.
• Has experience with enterprise architecture modelling using ArchiMate.
• Is proficient in systems modelling tools such as Sparx Enterprise Architect, ARIS Architect, or equivalent.
• Is familiar with recognised architecture standards and frameworks such as TOGAF, Zachman, the Azure Well-Architected Framework, or similar.
• Is familiar with DevSecOps principles and practices.
• Has sound knowledge of hybrid systems and application integration.
• Has extensive experience aligning application development and architecture with business needs.
• Has experience providing architecture services for large-scale IT systems used to manage operational resources deployed by a centralised function to external, distributed, and diverse entities.
• Demonstrates excellent written and verbal communication skills.
• Produces clear, accurate, and effective technical and architectural documentation.
• Demonstrates strong analytical and problem-solving skills.
• Demonstrates leadership skills and the ability to provide architectural direction to multidisciplinary teams.

What do we expect from you?

• Define and enforce standards for solution design, development, quality assurance, and testing.
• Design and communicate enterprise-wide database and data architectures.
• Develop database schemas, analytical platforms, business intelligence services, and data governance frameworks.
• Elicit business and user needs and translate them into functional and technical requirements.
• Convert business, user, and technical requirements into scalable solution architectures.
• Map business objectives, expected benefits, priorities, system components, and key features.
• Assess existing systems, applications, services, and technology environments.
• Identify and evaluate potential solution options and architectural approaches.
• Maintain and track architecture throughout the full system lifecycle.
• Estimate and size network infrastructure in line with system and business application requirements.
• Contribute to system design, testing, quality assurance, and change management activities.
• Prepare technical and system documentation and deliver presentations to stakeholders.
• Lead development teams and oversee development processes.
• Select, assess, and recommend appropriate technologies and platforms.
• Collect, analyse, and interpret system performance and operational metrics.
• Optimise systems from performance, security, scalability, and quality perspectives.
• Contribute to the Enterprise Architecture repository and manage required architectural artefacts.

Certifications

• [1] Iasa Architect CITA-A or equivalent
• [2] Microsoft Certified: DevOps Engineer Expert or equivalent
• [3] Microsoft Certified: Azure Data Fundamentals or equivalent
• [4] TIBCO Certified Associate or equivalent or equivalent
• [5] Certified SOA Architect or equivalent

Will you join us in humanizing technology?