Java Software Engineer Intern — Paid, Flexible Hours & Mentoring

Brown Brothers Harriman & Co.; Kraków; On-site; PLN 28,000 - 45,000; Full time

Benefits offered by this job

Paid internship 6 months

Flexible working hours

Onboarding & mentoring

Job summary

Brown Brothers Harriman & Co. (BBH) invites while joining BBH Technology as a Software Engineer Intern with Java in Kraków. The internship runs November 2026 through February 2027 and offers hands-on work across technology, finance, and professional development.

You will write Java code based on requirements, develop tests, and collaborate with global teams. The program emphasizes onboarding, mentoring, and a potential Graduate Rotation after completion.

Qualifications

• Final-year students or recent graduates in Computer Science or a related field and/or equivalent work experience.
• Solid understanding of programming fundamentals & core software development concepts.
• Knowledge of at least one programming language (Java is a strong signal).
• Strong English communication skills across global offices daily.
• Learning agility – ability to quickly learn new tools, technologies and programming languages.
• Problem-solving mindset – curiosity to understand how things work and to tackle challenges step by step.
• Initiative & ownership – willingness to take responsibility and contribute.
• Availability of at least 24 hours per week.

Responsibilities

• Write Java code based on business requirements and technical specifications.
• Develop automated unit and/or integration tests that thoroughly exercise component logic.
• Participate in team meetings to discuss development scope and estimates.
• Partner with Quality Management teams to ensure QA procedures are followed.
• Provide responsive support for business areas.
• Assist in the application release process.

Skills

Java programming

English proficiency

Problem solving

Learning agility

Initiative ownership

Availability 24h/week

Education

CS or related degree

Tools

SpringBoot

Jenkins

GitHub/Bitbucket

Maven/Gradle

Angular

Docker

Job description

Brown Brothers Harriman & Co. (BBH) invites while joining BBH Technology as a Software Engineer Intern with Java in Kraków. The internship runs November 2026 through February 2027 and offers hands-on work across technology, finance, and professional development.

You will write Java code based on requirements, develop tests, and collaborate with global teams. The program emphasizes onboarding, mentoring, and a potential Graduate Rotation after completion.