Senior Software Engineer (Java, React)
ZartisRemote
Full Time
Posted December 23, 2025
Not Specified
Remote
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Job Description
A Senior Software Engineer with full-stack expertise responsible for designing, developing, and maintaining high-performance, scalable software solutions in a fintech environment, collaborating with cross-functional teams in an agile setting, and ensuring code quality and system stability.
Key Responsibilities
- Design, build, and maintain high-performance, reusable, reliable fullstack solutions.
- Collaborate with Product and cross-functional teams to shape, implement, and deliver technical solutions end-to-end.
- Work in an Agile environment applying Lean principles, with a focus on CI/CD, automated testing, and continuous delivery.
- Follow a well-defined delivery lifecycle, adhering to engineering best practices, code quality standards, and development processes.
- 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.
- Continuously monitor solution quality and stability, identifying improvement opportunities and proposing 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
Monthly WFH allowance as financial support for remote working
Career development program with 360º feedback
Time allocated during the week for tech training (online courses, English classes, books, conferences, events)
Mentoring program (opportunities to be a mentor or receive mentorship)
Access to Zartis Wellbeing Hub Kara Connect with sessions with mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars
Participation in multicultural working environment with tech events, webinars, parties, online team-building games, and contests
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