Senior Java Developer

Location: Remote / EU (Required)
Salary Range: PLN 25,000-32,000/month - B2B

About CodeTogether

At CodeTogether, we're revolutionizing Software Engineering Intelligence with our cutting-edge software solutions. As a fast-growing startup, we pride ourselves on fostering innovation, agility, and a dynamic work environment. Our platform empowers developers with smarter insights, workflow optimizations, and seamless collaboration—enhancing the way engineering teams build and ship code.

About the Role

We're looking for a skilled java & Spring Developer to help build and optimize our backend solutions for large-scale data processing. This is a full-time, contracted position.  In this role, you'll work with complex datasets, design scalable architectures, and ensure robust testing practices while collaborating closely with cross-functional teams. If you're passionate about clean, efficient code and working with AI-driven development tools, this role is for you.

Responsibilities

• Develop backend solutions using core java & Spring to handle large-scale data processing tasks.
• Work with databases to extract, process, and prepare diverse datasets for web services.
• Design and implement data schemas and objects to store and track historical data changes over time.
• Understand domain-specific requirements to contribute to solution modeling and architecture .
• Write comprehensive unit and integration tests , ensuring robust test coverage.
• Promote a culture of test-driven development within the team.
• Actively participate in brainstorming sessions and collaborative design meetings .
• Communicate effectively in English, conveying ideas clearly and constructively.
• Share status updates proactively and engage in ad-hoc communications as needed.
• Leverage AI tools to enhance productivity and contribute to product development.

Required Skills and Qualifications

• Must be located in the European Union region
• 5-8 years of experience in core java programming .
• Experience with complex data processing and handling large datasets .
• Strong understanding of database design, data modeling, and schema creation .
• Familiarity with unit testing and integration testing frameworks .
• Experience writing effective prompts for GPT or other popular AIs .
• Excellent verbal and written communication skills in English.
• Ability to present ideas clearly and engage in constructive discussions .
• Understanding of Scrum methodology ; experience as a Scrum Master is a plus.
• Ability to break down tasks and contribute to project organization .

Why Join Us?

• Work with a fast-growing startup shaping the future of software engineering.
• Tackle challenging technical problems in a dynamic, fast-paced environment.
• Collaborate with a smart, passionate team in an innovative, agile workplace.
• Remote-first culture with flexibility and autonomy.
• Opportunity for exponential growth —grow your skills, take on new challenges, and advance within a scaling company.