Senior Java Engineer (Bulgaria - Remote, Europe, BG)

Wiser Technology is a leading software development company. Our team of 600 engineers across Europe excels in web and mobile software development, enterprise software for Human Capital Management, video streaming, defense, machine learning, automotive, e-commerce, and AI. We leverage top-tier technologies and expertise driven by a passion for innovation to drive progress.

We are looking for a highly skilled Senior/Expert Backend Engineer. In this role, you will be responsible for designing and scaling SaaS applications, building robust integrations by leveraging microservices and cloud-native principles. You will work at the intersection of high-performance backend engineering and cloud-native architecture, ensuring our applications are resilient, scalable, and secure.

Key Responsibilities:

• Architecture & Development: Design and implement scalable, high-availability microservices using Spring Boot.

• Cloud Native SaaS: Build and maintain cloud-native applications.

• Complex Integrations: Lead the development of internal and external integrations, utilizing RESTful APIs and OData protocols to ensure seamless data flow.

• Cloud Infrastructure: Deploy and manage services within AWS and/or Azure environments, optimizing for cost, performance, and reliability.

• Integration Testing frameworks to ensure system stability across distributed

• Environments.

Required Skills: 

• Java Expert: Deep expertise in Java and the Spring Ecosystem (Spring Boot, Spring Cloud, Spring Security).

• Microservices: Proven track record of building and decomposing microservices in a production SaaS environment.

• Cloud Proficiency: Hands-on experience with Amazon Web Services (AWS) or

• Microsoft Azure (Lambda/Functions, S3/Blob Storage).

• API Design: Advanced knowledge of REST API design principles and experience working with OData for complex data querying.

• Testing: Professional experience with integration testing tools (e.g., Testcontainers,

• Postman, JUnit, Mockito) in a CI/CD pipeline.

Preferred Qualifications:

•  Experience with Containerization (Docker, Kubernetes).

•  Knowledge of event-driven architecture and message brokers (Kafka, RabbitMQ).

•  Experience with SQL and NoSQL databases at scale.

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! 

 Ready to advance your career with a tech leader passionately driven by innovation?

 Wiser, We Have The Code®