Senior Full Stack Engineer

Job Title : Senior Full Stack Developer (React Native / Java)

Location : Berlin, Germany – \“must reside in the country\“

Job Type : Full-Time

Job Overview :

We are seeking a highly skilled Senior Full Stack Developer to lead the design and development of cutting-edge web and mobile applications using React Native , Java (Spring Boot) , and modern development practices. You will play a critical role in the full software development lifecycle—design, development, testing, deployment, and support—while mentoring junior developers and influencing architectural decisions.

Key Responsibilities :

• Design, develop, and maintain robust and scalable applications using React Native for mobile and Java (Spring Boot) for backend services.
• Lead architecture and design discussions, ensuring modern best practices are followed (e.g., microservices, containerization, CI / CD, TDD).
• Collaborate with product managers, designers, and QA engineers to deliver high-quality features.
• Write clean, maintainable, and well-documented code across the full stack.
• Optimize performance and scalability of applications.
• Review code, mentor developers, and foster a culture of continuous improvement.
• Implement and enforce engineering best practices including automated testing, code reviews, and DevOps pipelines.
• Stay up-to-date with the latest industry trends and technologies.

Requirements : Technical Skills :

• 5+ years of experience in full stack development.
• Strong experience with React Native (iOS and Android app development).
• Proficiency in Java with a solid grasp of Spring Boot and RESTful API development.
• Deep understanding of front-end technologies including React.js , TypeScript , Redux , and HTML / CSS .
• Experience with relational and non-relational databases (e.g., PostgreSQL, MongoDB).
• Familiarity with modern DevOps practices : CI / CD pipelines, Docker, Kubernetes, and cloud services (AWS / GCP / Azure).
• Solid understanding of testing frameworks and TDD (e.g., JUnit, Jest, Detox).

Soft Skills :

• Excellent problem-solving and analytical skills.
• Strong communication skills, both written and verbal.
• Experience working in agile teams (Scrum / Kanban).
• Passion for clean code, engineering excellence, and mentoring others.

Preferred Qualifications :

• Experience with GraphQL, WebSockets, or real-time communication.
• Background in deploying applications at scale in cloud environments.
• Contributions to open-source projects or tech communities.

Benefits :

• Competitive salary and performance bonuses.
• Flexible work hours and remote-friendly culture.
• Health, dental, and vision insurance.
• 401(k) with company match.
• Learning and development stipend.

About Us :

MoneyGram is a forward-thinking fintech company focused on building scalable and impactful software solutions. We’re passionate about clean code, agile methodologies, and staying ahead of the curve with modern tech stacks.

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