Senior Software Engineer (Java, React)
ZartisRemote
Full Time
Posted December 23, 2025
Not Specified
Remote
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Application opens on company website
Job Description
A Senior Fullstack Software Engineer responsible for designing, developing, and maintaining high-performance, scalable applications in the fintech industry using Java, SpringBoot, JavaScript, React, and modern architecture practices, collaborating with cross-functional teams in an agile environment.
Key Responsibilities
- Design, build, and maintain high-performance, reusable, reliable fullstack solutions
- Collaborate with Product and cross-functional teams to implement and deliver technical solutions end-to-end
- Work in an Agile environment with a focus on CI/CD, automated testing, and continuous delivery
- Follow engineering best practices, code quality standards, and development processes throughout the delivery lifecycle
- Own technical software design and provide accurate estimates for complex work packages and projects
- Partner proactively with customer stakeholders to ensure deliverables meet requirements and expectations
- Monitor solution quality and stability, identify improvement opportunities, and propose constructive changes
Requirements
- Minimum 5 years of experience developing applications using Java with SpringBoot.
- Extensive hands-on experience with JavaScript, TypeScript, and React.
- Expertise in designing software solutions leveraging asynchronous messaging patterns, ensuring decoupled, scalable, and resilient systems.
- Solid understanding of Behavior-Driven Development (BDD), Test-Driven Development (TDD), and test automation using tools such as Jasmine, Cypress, or PyTest.
- Experience in containers and container orchestration with Kubernetes.
- Exposure to or experience working in an event-driven architecture environment.
- Knowledge of microservices architectures is a strong advantage.
- Excellent written and verbal communication skills, with the ability to present complex technical concepts clearly to a variety of audiences.
Benefits & Perks
100% remote work
WFH allowance with monthly financial support
Career development program with 360º feedback
Time allocated during the week for tech training (online courses, books, conferences, events)
Mentorship program (opportunities to be a mentor or mentee)
Access to Zartis Wellbeing Hub Kara Connect with sessions with mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars
Multicultural working environment with online team-building activities, webinars, parties, and contests
Ready to Apply?
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