Senior Java Developer – Contractor A custom development company, MentorMate is a design and software powerhouse with mature and established practices in Enterprise Web & Mobile Development, Technical Architecture, Human-Centered Design, Cloud & DevOps, Advanced Data Мanagement & Analytics. For our Java team, we are currently looking for a Senior Java Developer who will participate in the creation of enterprise-class applications on the latest technology platforms using proven design patterns. Our software solutions tackle specific tech challenges across several industries. While our roots are in education, nearly half of our current projects are focused on healthcare and the large amounts of secure data that come with it. We also innovate in finance, real estate, commerce, IoT, and others. As a top engineering company, run by engineers, MentorMate provides challenging opportunities in a friendly, people-oriented environment. We value our people and share our success through competitive pay and advancement opportunities. Additionally, we offer free accounting services to all of the contractors in Bulgaria. Responsibilities Design and develop modern, scalable, and high-performing enterprise applications Review and analyze business requirements and provide a technical perspective on approach, risk, and estimated development time Produce high-quality code implementing all security principles Mentor other developers and participate in code reviews Participate successfully in an established daily Scrum process and communicate frequently with clients and subject matter experts Requirements 5+ years of experience in developing Java web applications Strong knowledge in Jakarta EE/Spring Framework Deep understanding of the inner workings of the JVM Experience with Hibernate, JPA Experience in database design and implementation - MySQL, PostgreSQL, Oracle, MS SQL Good understanding of CI/CD Cloud skills and experience with AWS/Azure Excellent analytical skills and strong attention to detail Excellent communication skills Excellent spoken and written English An advantage would be Experience in creating complex solutions in C/C++ Experience in low-level programming and embedded software development System Architecture experience Knowledge in Big Data management BS/MS Degree in Computer Science or equivalent Let’s work together Available for the following work models: Contractor Remote Apply now We offer What We Offer Freedom to work remotely from anywhere in the world Opportunity to join a community of 850+ developers worldwide Free accounting services and consultations to all of the contractors in Bulgaria Clear and fair negotiation on your payment terms No third-party intermediaries. Open communication with our teams Inspiring opportunities to work on various enterprise projects that set standards Career Path 0 Intern Level 1 Junior Level 2 Regular Level 3 Senior Level 4 Lead / Architect Level 5 Manager / Principal Level Let’s Work Together Related job positions More opportunities in the JAVA team Director of Software Development – Java Hybrid Remote Mid/Senior Java Software Engineer (Healthcare) Hybrid Remote