Full Stack Java Developer (Banking)

About the Job

Company Description

OBSS is Turkey’s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in London, Istanbul and Ankara, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our team of over 1000 talented professionals thrives on collaboration, innovation, and continuous learning. We are now looking for a Full Stack Java Developer with banking sector experience to join us and contribute to building high-quality, end-to-end digital solutions that create real business impact.

As a Full Stack Java Developer, you will work on rewarding, large-scale projects to design, build, and maintain innovative software solutions for the banking sector. You will collaborate with cross-functional teams to develop responsive front-end components, create scalable back-end architectures, and ensure high security and compliance standards.

Main Responsibilities

• Design, develop, and maintain secure and compliant banking-related software solutions.
• Implement robust back-end Java applications with Spring Framework (MVC, Boot, Data), JPA, Hibernate, and SQL.
• Develop responsive and high-performance front-end components using React and/or Vue.js with JavaScript/TypeScript.
• Integrate back-end web services and client systems via REST and SOAP.
• Apply advanced design patterns and microservices architecture to ensure scalability.
• Collaborate with cross-functional teams to deliver end-to-end digital banking applications.

Qualifications / Technical Skills

• Bachelor’s degree in Computer Engineering, Computer Science, Software Engineering, or a related field.
• Minimum 3 years of full-stack development experience, preferably within the banking sector.
• Strong back-end development skills, including Java, Spring Framework, and good understanding of data modeling and integration.
• Proficiency in front-end frameworks (React and/or Vue.js) and modern web technologies.
• Familiarity with containerization and cloud environments such as Docker and AWS.
• Solid knowledge of relational databases, including MSSQL and PostgreSQL.
• Strong communication skills, teamwork, and analytical thinking.
• High energy, motivation, and problem-solving capabilities in a dynamic environment.
• Ability to approach AI with curiosity and intention, actively incorporating AI-powered tools into workflows to enhance productivity and drive innovation.

Additional Informations :

Professional Growth & Learning

As a tech company, we focus on reskilling and upskilling to support career growth. We offer a personalized Individual Growth Program (IGP), where employees set clear goals for each half of the year. These goals may include trainings, certifications, and personal development milestones, creating a structured roadmap for continuous improvement. The IGP helps employees strengthen both technical and soft skills, ensuring steady professional advancement.

Company Culture and Values

We celebrate diversity, inclusion, and equal opportunity, fostering a collaborative environment where innovation can flourish. Our culture emphasizes mentorship, knowledge sharing, and active participation in tech communities, workshops, and team events. This vibrant atmosphere empowers employees to contribute their best while feeling supported and valued.

Benefits and Perks

We provide competitive salaries, flexible and hybrid working arrangements, and a wide range of opportunities for growth through training programs, certifications, and workshops. In addition, we offer initiatives designed to build a supportive and engaging workplace where curiosity and collaboration are encouraged. These benefits ensure that employees feel motivated, empowered, and equipped to reach their full potential.