Sr. FullStack Java and JavaScript Engineer

As a senior software engineer, you will join a skilled team of engineers building a unique product for financial data reporting. Green field project with a mixed tech stack and microservice architecture. You will play a role in developing using Java, Spring, Spring Boot, PostgreSQL, JavaScript, and Typescript, and working with Node.js, React, Redux, and saga.

Your main focus would be working in the team that works on a very specific component in the application. You should have an exceptionally strong understanding of JavaScript (structures, performance, etc.). You should have exceptional skills with React + Redux, NodeJS, Typescript, and Redux Saga. Strong skills with PostgreSQL. Additionally, you should have strong JAVA, Spring, and Spring Boot knowledge. Have experience working with large-scale cloud-based applications (Azure).

Key Responsibilities:

• Software Development: Design, develop, and maintain scalable full-stack applications using Java (Spring Boot) and React.js.
• Code Quality & PR Review: Conduct thorough peer reviews of pull requests to ensure code quality, maintainability, and adherence to best practices.
• Scrum Ceremonies: Actively participate in Agile ceremonies, including daily standups, sprint planning, retrospectives, and backlog grooming.
• Mentorship & Collaboration: Mentor junior developers, share knowledge across the team, and foster a culture of continuous learning.
• Frontend Engineering: Build responsive and user-friendly interfaces using React, Redux, and modern UI libraries.
• Backend Engineering: Develop robust RESTful APIs and microservices using Java, ensuring performance, security, and scalability.
• Database Design & Optimization: Work with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra) databases to design schemas, write efficient queries, and optimize performance.
• Testing & Automation: Implement unit, integration, and end-to-end tests using tools like JUnit, Mockito, Cypress, or Selenium.
• DevOps & CI/CD: Collaborate on CI/CD pipelines, containerization (Docker), and deployment strategies using tools like Jenkins or GitHub Actions.
• Documentation & Reporting: Maintain clear technical documentation and provide regular updates on progress and blockers.

Responsibilities:

• Develop and maintain high-quality software solutions using React.js, SQL, Spring Boot, Java, JavaScript, and PostgreSQL to meet business needs.
• Collaborate with cross-functional teams to design, develop, and implement new features and enhancements.
• Ensure the performance quality and responsiveness of applications by conducting thorough testing and debugging.
• Participate in code reviews to maintain code quality and share knowledge with team members.
• Work closely with stakeholders to gather and refine specifications and requirements based on technical needs.
• Optimize applications for maximum speed and scalability to enhance user experience.
• Stay updated with emerging technologies and industry trends to incorporate them into operations and activities.
• Troubleshoot and resolve complex technical issues to ensure the smooth operation of software applications.
• Contribute to the continuous improvement of development processes and methodologies.
• Document software designs, code, and processes to facilitate knowledge sharing and maintenance.
• Provide technical guidance and mentorship to junior developers to foster team growth.
• Collaborate with the finance and accounting teams to understand domain-specific requirements and implement solutions.
• Communicate effectively with team members and stakeholders to ensure alignment on project goals and deliverables.

Qualifications

• Deep understanding of core JS concepts, including closures, async programming, and ES6+ features.
• Building scalable, maintainable, and high-performance SPAs with advanced state management and typed components - React, Redux, Redux Saga, TypeScript.
• Semantic markup, accessibility, responsive design, and cross-browser compatibility (Advanced HTML & CSS).
• Proficient in modern JS syntax and features such as arrow functions, destructuring, modules, promises, and async/await (ECMAScript 6+).
• Building RESTful APIs, microservices, and real-time applications with Express or similar frameworks (Node.js).
• Developing robust backend services, integrating with databases, and implementing business logic with enterprise-grade frameworks (Java, Spring, Spring Boot).
• Schema design, query optimization, and transactional integrity (PostgreSQL).
• In-memory data storage for caching, session management, and pub/sub messaging.
• Application monitoring using tools like Prometheus, Grafana, ELK Stack, or New Relic to ensure uptime, performance, and quick issue resolution.
• Experienced in Scrum of Scrums, sprint planning, retrospectives, and backlog refinement.
• Comfortable working in cross-functional teams and managing dependencies across squads.
• Strong communication skills for gathering requirements, presenting solutions, and managing expectations.
• Experience in stakeholder engagement, demo sessions, and feedback incorporation.

What we offer:

Opportunity to be part of a global organization. Encouraging working atmosphere, engaging activities, and extra benefits (e.g., additional medical insurance (covers gym subscription), team events, outreach activities, and others);

Hybrid work model with remote work opportunities.

Open, modern, and ergonomic work environment when working from the office with the multicultural community.

Opportunity to grow professionally and personally (e.g., Udemy) and continuously develop within the domain.

The salary range for this position is from 4.125 to 6.875 gross before taxes.*

*Salary offer for the candidate is determined based on the predefined salary ranges for the position and depends on the level of competence and experience of the candidate.