Cloud Native Java Architect (Bulgaria - Remote, Bulgaria/Serbia, BG)

Wiser Technology designs, builds, and scales complex software systems that power real-world impact. With 500+ engineers and over 25 years of experience in mission-critical environments, we help global organizations turn ambitious ideas into working solutions. Across Europe, MENA, and North America, we combine deep engineering expertise with AI and data to support leading companies in aerospace & defense, automotive, telecom & media, IT, and financial services. We're seeking an experienced Cloud-Native Architect to design and lead the development of scalable, resilient cloud-based systems. You'll be responsible for architecting solutions that leverage containerization, orchestration, and modern CI/CD practices while establishing integration strategies that connect our technology stack. This role requires deep technical expertise and the ability to mentor engineering teams on cloud-native best practices.

Key Responsibilities:

Architecture & Design

• Design cloud-native architectures using microservices patterns and container-based technologies.
• Design, develop, and maintain enterprise applications built with TypeScript, Java, Spring Boot, SAP CAP, Fiori, and SAPUI5 within cloud-native environments (SAP BTP Cloud Foundry, Azure, AWS).
• Architect CI/CD pipelines and DevOps workflows to enable rapid, reliable deployments.
• Define and implement security best practices for containerized and orchestrated environments.

Enterprise Integration

• Establish and refine integration strategies across distributed systems and third-party services.
• Architect, design, develop, and manage enterprise integrations using modern iPaaS platforms (e.g., SAP Integration Suite, n8n, and others).
• Establish and design enterprise integrations across distributed cloud and on-premise systems, leveraging diverse communication protocols.
• Evaluate and recommend integration technologies, APIs, and messaging patterns.

Technical Leadership

• Lead the evaluation and selection of technologies, frameworks, and platforms for new initiatives.
• Conduct architectural reviews and provide technical guidance on design decisions.
• Mentor and guide engineering teams on cloud-native design patterns, enterprise integrations, containerization, and orchestration.
• Drive a culture of innovation, continuous improvement, and knowledge sharing within teams.
• Adhere to and advocate for best practices, ensuring technical integrity, high delivery quality, and long-term maintainability of solutions.

Collaboration & Governance

• Collaborate with stakeholders, project managers, product owners, and engineering teams to translate business requirements into robust, scalable, and maintainable technical solutions.
• Document architectural decisions and maintain architectural standards across teams.

Required Experience & Qualifications

Experience & Core Development

• 8+ years of software architecture and/or senior development experience.
• Strong Java proficiency with experience building production systems.
• Deep expertise with Spring and the Spring ecosystem (Spring Boot, Spring Cloud, Spring Data, etc.).
• Experience with relational and non-relational database design (PostgreSQL, SQL Server, MongoDB).

Containers, Cloud & DevOps

• 5+ years of hands-on Docker experience, including image optimization, registry management, and container security.
• 5+ years of Kubernetes experience, including cluster design, networking, storage, and advanced features (Helm, operators, custom resources).
• Experience with container orchestration at scale.
• CI/CD pipeline design and implementation (Jenkins, GitLab CI, GitHub Actions, or similar).
• Proficiency in at least one infrastructure-as-code tool (Terraform, CloudFormation, Ansible).
• Solid understanding of cloud platforms (AWS, Azure, or GCP).

Integration & Architecture

• Hands-on experience with major enterprise integration platforms (e.g., SAP Integration Suite, MuleSoft, Boomi, webMethods, n8n, or similar).
• Experience with cloud-to-on-premise integrations and hybrid landscapes through various protocols (e.g., HTTP, OData, SOAP, REST, IDoc, SFTP).
• Solid understanding of API-based architectures, event-driven architecture, message queues, and enterprise integration patterns.
• Strong understanding of microservices architecture patterns and distributed systems.
• Integration architecture expertise, including:RESTful API design and managementMessage-oriented middleware (Kafka, RabbitMQ, JMS)Event-driven architecture patternsData integration and ETL strategiesAPI gateways and service mesh concepts

Security

• Strong understanding of authentication and security standards (OIDC, OAuth 2.0, SAML, JWT, TLS).

Soft Skills

• Excellent communication and mentoring abilities.

Nice-to-Have Skills

• Experience with the SAP landscape: SAP BTP, Integration Suite, and other SAP solutions
• Service mesh experience (Istio, Linkerd)
• Advanced observability and monitoring (Prometheus, Grafana, ELK, Jaeger)
• Apache Kafka or event streaming platform expertise
• Enterprise integration pattern tools (TIBCO, MuleSoft, Apache Camel)
• GraphQL experience
• Serverless architecture understanding
• Certification in cloud platforms or Kubernetes (CKA, CKAD)
• Open-source contribution or community involvement
• Experience with FinTech, e-commerce, or high-scale systems

Key Competencies

• Technical Leadership: Drive architectural decisions and communicate complex concepts to both technical and non-technical stakeholders.
• Problem-Solving: Design solutions for scalability, reliability, and security challenges.
• Collaboration: Work effectively across teams, from frontend engineers to DevOps specialists.
• Innovation: Stay current with emerging technologies and best practices in cloud-native development.
• Attention to Detail: Ensure architectural consistency, performance optimization, and adherence to standards.

What's in it for you

Culture & Development:

• Friendly Environment: We take pride in our culture, and we love spending time together.

• Team Spirit: Be part of a supportive team that uplifts each other.

• Mentorship and coaching. Our colleagues are experts in their field, and you can expect to have a strong team to rely on.

• Personalized Development Program: We realize one size doesn’t fit all, so you get an individual development plan tailored specifically to your career aspirations.

Social Benefits:

• A Suite of Perks: Additional health insurance, referral bonus, and more.

• Work Flexibility: Embrace flexible working hours and a hybrid work model.

• Multiple Office Locations: in Sofia, Plovdiv, Stara Zagora, and Nis, you choose where you would like to work.

• Community and Connections: Engage in exciting social events and team initiatives.

• Empowerment: At Wiser, every role is instrumental. You will have the power to make a difference!

Wiser, We Have The Code®

Originally posted on Himalayas