Senior Java Developer

About Us

BySix Engineers the future and drives innovation. We are more than just a standard software engineering company, we believe that true impact comes from combining technical expertise with human values. That's why we reflect that in our approach - technology is not the end goal, but the enabler.

Why Us?

🫸 Multidisciplinary team 📒 Training on demand 💴 Attractive salary and benefits package 📈 Career progression plans 👌 And amazing get together events

What are we looking for?

We are looking for a Senior Java Developer with:

• Higher education in software engineering, computer science, or a comparable technical field.
• Strong background in Java backend development, including the Spring framework and multiple data access strategies.
• Solid experience with relational database systems.
• Hands-on experience designing and running workloads on AWS cloud services.
• Comfortable using Python for scripting, services, or integration work.
• Practical experience with Infrastructure as Code tools, particularly Terraform.
• Good knowledge of API design, distributed systems, and application security.
• Daily use of source control platforms such as GitHub or GitLab.
• Previous collaboration with data engineering or analytics teams.
• Exposure to artificial intelligence tools or ecosystems.
• Familiarity with automated build and deployment processes.
• Understanding of container technologies and orchestration platforms.
• Experience working in iterative delivery frameworks and using project tracking tools.
• Knowledge of observability, logging, and alerting solutions.
• A genuinely agile mindset focused on cooperation, continuous learning, and shared ownership.
• Ability to manage priorities and deliver high-quality work within deadlines.
• Strong analytical thinking and attention to detail.
• Clear and effective communication skills.
• Fluency in English.
• Proactive, collaborative, and motivated to continuously improve both systems and ways of working.

We Value

• Additional languages.
• Cloud certifications.

What do we expect from you?

• You will be responsible for building and evolving server-side components and interfaces using modern Java (version 21) and the Spring ecosystem.
• Depending on the use case, you will work with ORM frameworks or lower-level database access approaches.
• You will ensure efficient interaction with relational databases such as Oracle or cloud-based PostgreSQL solutions, while applying solid design principles to deliver secure, resilient, and high-performance systems.
• You will contribute to the deployment and operation of applications within an AWS environment, leveraging both container-based and serverless services.
• You will define and maintain cloud infrastructure through code to guarantee consistency across environments, and actively participate in automation and delivery workflows.
• You will develop Python components to support automation, data manipulation, or system integrations.
• You will work closely with data-focused teams to enable smooth data flows, transformations, and interoperability between platforms.
• You will collaborate with product owners, engineers, and other stakeholders to translate functional needs into technical solutions.
• You will assist in diagnosing production issues, monitoring applications, and supporting users.
• You will also help onboard and guide less experienced colleagues, fostering knowledge sharing and technical excellence.
• You are expected to keep your skills current by monitoring emerging technologies and industry practices.
• You will actively propose enhancements aimed at improving reliability, scalability, and long-term maintainability of systems.

Are you ready?

If you're ready to make a real impact by leveraging cutting-edge technology and fostering human-centric solutions, BySix is the place for you. Together, we'll drive innovation and create lasting business value.

Note: BySix is an equal opportunity employer. All applicants will be considered and analyzed regardless of ethnicity, religion, gender identity, sexual orientation, national origin, age, or disability status.