System Integration Architect (Mid-Level)See all recent Jobs

We are currently seeking a talented System Integration Architect (Mid-Level) on behalf of one of our major clients in Information Technology sector.

Working model: hybrid

Location: Athens, Greece

Salary range: 2500-2750 euros gross

Role Overview
We are looking for a System Integration Architect (Mid-Level) to design and deliver robust, secure, and scalable integration solutions across enterprise applications, platforms, and services.
The ideal candidate will have a solid technical background in system integration, APIs, and middleware technologies, with the ability to translate business requirements into effective technical solutions and collaborate closely with development, infrastructure, and business teams.

What We Are Looking For
A technically capable integration professional who can take ownership of integration design activities, work independently within established architecture guidelines, and contribute to delivering reliable, future-ready enterprise integration solutions.

Key Responsibilities

• Design and define integration architectures connecting enterprise applications, systems, and services.
• Develop integration solutions leveraging APIs, middleware, messaging, and event-driven architectures.
• Evaluate and apply appropriate integration patterns and technologies, including REST, SOAP, ETL, and asynchronous messaging.
• Produce technical architecture documentation, interface specifications, and integration design diagrams.
• Collaborate with development and infrastructure teams throughout implementation, testing, deployment, and troubleshooting.
• Ensure integration solutions meet security, performance, scalability, reliability, and availability requirements.
• Contribute to architecture reviews, technical decisions, and continuous improvement initiatives.

Required Qualifications

• 3–5 years of relevant experience in system integration, solution design, or software architecture.
• Hands-on experience with integration technologies and middleware platforms such as MuleSoft, Azure Integration Services, Apache Kafka, or equivalent solutions.
• Strong understanding of REST/SOAP APIs, messaging protocols, data transformation, and integration patterns.
• Familiarity with cloud environments (Azure, AWS, or GCP), microservices, and distributed architectures.
• Good knowledge of integration security concepts, including OAuth 2.0, authentication, authorization, and secure data exchange.
• Ability to understand business requirements and translate them into practical technical designs.
• Strong analytical, troubleshooting, communication, and cross-functional collaboration skills.

Nice to Have

• Experience with API Management platforms, Enterprise Service Bus (ESB), or iPaaS solutions.
• Familiarity with CI/CD practices, containers, and DevOps environments.
• Exposure to enterprise integration projects within banking, financial services, or other complex IT environments.
• Knowledge of architecture methodologies and documentation standards.

Freelancers are welcome

Benefits:

• Hybrid model of working
• Competitive remuneration package
• Private Insurance
• A dynamic challenging environment resulting in continuous learning / education / progression
• Ability to work with cutting edge technologies
• Pleasant working environment
• Ability to expand knowledge and responsibilities

UpcoMinds is a dynamic IT company with 29 years of experience that provides end-to-end web and mobile solutions helping businesses to reinvent themselves in the digital world. Our team’s skills and expertise will ensure the holistic digital transformation of any organization, which will considerably improve both business operations and customer’s experience.

Our goal is to always have our end products and services reflect our deep engineering skills and elegant progressive design aesthetic. We fundamentally believe deeply in developing long term strategic partnerships with our clients by exceeding expectations and maintaining a high level of transparency.

Find out more about us at www.upcominds.com

We commit to promote Inclusion & Diversity by creating a working environment where all employees are treated with dignity and respect and where individual differences are valued. We offer equal opportunity in all aspects of employment.

Our recruitment consultants will go through your Curriculum Vitae as soon as possible and get back to you to discuss the opportunity for which you apply. If you don’t hear from us in the coming ten (10) working days, you may consider that you have not been selected for the particular job.

By submitting your CV, you consent to its retention in our database for a period of two (2) years, for the purpose of considering your application for current or future employment opportunities, in accordance with applicable data protection legislation GDPR.