Senior Java Developer

What you will do

Our client is a rapidly growing company that has been delivering innovative CRM and MarTech solutions, aimed at efficiently managing customer relationships and automating marketing processes.

Senior Java Developer

We offer:

• Attractive salary
• A stable and growing company with an entrepreneurial mindset, where your ideas are valued, and we support you in making them happen
• Flexibility-hybrid (Warsaw office) work is part of our DNA
• State-of-the-art offices where teamwork is the norm
• International growth opportunities and internal mobility
• Engaging events: team lunches, after-work gatherings
• Learning opportunities: languages, technology, product knowledge, sales techniques, and leadership development

Responsibilities:

• Implement new features and solve complex engineering challenges within a modern, cloud-native microservice architecture.
• Contribute to the evolution of development processes, system architecture, tools, and practices to enhance team productivity and developer experience.
• Collaborate with other development teams to ensure smooth cross-team integration and alignment.
• Proactively monitor and respond to system disruptions, working to prevent issues before they arise.

Requirements:

• You hold a bachelor's degree in computer science or a related field; advanced degrees or certifications are a plus.
• You have 5+ years of professional Java software development experience, with a strong background in architecture, security, and operational excellence.
• You've worked with AWS and Docker in production, and are confident using services like ECS, RDS, API Gateway, CloudWatch, and IAM.
• You're comfortable managing cloud infrastructure hands-on and enjoy working close to the systems you build.
• You're creative and solution-oriented, eager to tackle complex challenges and learn new technologies.
• You take ownership of your work, consistently delivering high-quality, reliable solutions.
• You write efficient, maintainable code, especially in systems with concurrency and complex data models.
• You're a collaborative team player, thriving in agile environments and contributing to a strong engineering culture.
• Microservices architecture skills
• You have very good English skills

Additional advantages:

• AWS certifications or equivalent evidence of advanced AWS competency
• Background in both development and technical operations / infrastructure / system administration
• Experience with distributed systems engineering
• Advanced knowledge of NoSQL and SQL database technologies
• Experience with query engines and data warehouses such as Amazon Redshift and Athena
• Experience with data platforms and data pipeline engineering
• Experience with domain-specific languages (DSL), including parsing and transpilation to other languages, lexical analysis and abstract syntax tree (AST) manipulation

Professional experience with building SaaS software, especially from web analytics or digital marketing