Senior Java Developer

at  Andersen Software

Summary
Andersen, an international IT company, invites an experienced Senior Java Developer to work in the field of FinTech.
The customer is a leading player in the electronic payment systems market in Azerbaijan, with a network of over 2,500 terminals and more than 500 types of services. The company provides convenience and reliability for paying utility bills, mobile services, banking, and government services.
The project is the first large-scale e-wallet for cashless transactions in Azerbaijan’s ecosystem, with over 5,500 terminals nationwide. It offers QR payments, online bill payments, and cashback, allowing transactions at 10,000+ points of sale without a bank card, as well as cash withdrawals and utility bill payments.
Technology stack on the project: Java 17, Spring, RabbitMQ, Redis, Hibernate, PostgreSQL, WebFlux, Maven, Kubernetes.

Responsibilities

• Designing and developing complex applications in Java.
• Creating high-performance and scalable microservices using Spring Boot and Spring WebFlux.
• Defining architectural solutions to leverage RabbitMQ, Redis, and PostgreSQL.
• Conducting code reviews and providing feedback to ensure code quality.
• Mentoring and training less experienced developers and assisting in their professional growth and development.
• Designing database schemas and creating efficient queries for PostgreSQL.
• Optimizing query performance and working with large amounts of data.
• Developing and implementing asynchronous communication and messaging strategies using RabbitMQ.
• Integrating applications with external services and APIs.
• Analyzing application performance and optimizing resource usage.
• Profiling and debottlenecking.
• Creating and maintaining detailed technical documentation.
• Effectively communicating with stakeholders, including business analysts, solution architect and other teams to develop solutions and align requirements.
• Implementing new technologies and approaches to improve development processes and achieve business objectives.

Requirements

• Experience as a Java Developer from 4,5+ years.
• Proficiency in Spring Framework.
• Experience with messaging systems, particularly RabbitMQ.
• Strong knowledge of Redis for caching solutions.
• Proficiency in Hibernate for ORM and PostgreSQL for database management.
• Experience with reactive programming and WebFlux.
• Familiarity with building tools like Maven.
• Hands-on experience with container orchestration using Kubernetes.
• Level of English – from Intermediate and above.

Reasons to join us

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
• The opportunity to change the project and/or develop expertise in an interesting business domain.
• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn additional up to 1,700 EUR per month by participating in the company’s activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• English courses.
• Private health insurance and compensation for sports activities.

Join us

• Designing and developing complex applications in Java.
• Creating high-performance and scalable microservices using Spring Boot and Spring WebFlux.
• Defining architectural solutions to leverage RabbitMQ, Redis, and PostgreSQL.
• Conducting code reviews and providing feedback to ensure code quality.
• Mentoring and training less experienced developers and assisting in their professional growth and development.
• Designing database schemas and creating efficient queries for PostgreSQL.
• Optimizing query performance and working with large amounts of data.
• Developing and implementing asynchronous communication and messaging strategies using RabbitMQ.
• Integrating applications with external services and APIs.
• Analyzing application performance and optimizing resource usage.
• Profiling and debottlenecking.
• Creating and maintaining detailed technical documentation.
• Effectively communicating with stakeholders, including business analysts, solution architect and other teams to develop solutions and align requirements.
• Implementing new technologies and approaches to improve development processes and achieve business objectives