Senior Java Fullstack Developer

🤔Who are we?

As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specializing in the fields of Banking, Finance, and Financial Services. Guided by our core values of closeness, teamwork, diversity, and excellence, our team of 980 expert consultants, representing 35 different nationalities, collaborates across 12 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Geneva, Lisbon, Porto, Casablanca, Madrid and Singapore. Committed to sustainability (Ecovadis Gold), diversity (gender index: 92%), and quality of work life (Best Workplace Experience), Quanteam is a forward-thinking enterprise.

🚀 Our Expertise

With a dual expertise in both business and IT, Quanteam supports its corporate clients (investment banks, asset management companies, private and retail banks, custodians, etc.) across the entire Front-to-Back spectrum in evolving their business activities and transformation projects.

Our teams are organized into 5 expertise areas:

➡ Quantitative Finance

➡ Risk, Compliance, and Regulatory

➡ Operations and Finance

➡ Transformation and Organization

➡ Information Systems

In 2023, Quanteam generated a revenue of €74.6 million.

🔎 We are looking for a Senior Java Fullstack Developer (Java + Angular)

Main Tasks:

• Lead and implement the migration of legacy applications to a modern architecture based on REST APIs, microservices, and Angular.
• Design and develop scalable, secure, and maintainable solutions using Java (Spring Boot) and Angular.
• Collaborate with Product Owners and Business Analysts to analyze requirements and propose effective technical solutions.
• Contribute to architectural choices, participate in code reviews, and ensure adherence to coding standards and security best practices.
• Maintain and improve existing applications, handle incident resolution, and ensure operational stability.
• Identify and solve performance bottlenecks and technical debt.
• Mentor mid-level and junior developers and promote technical excellence within the team.
• Participate in Agile ceremonies (daily stand-ups, sprint planning, retrospectives, demos) and contribute to continuous delivery workflows.

Main Skills & Requirements:

• Degree in Computer Science or equivalent.
• Minimum 5 years of experience in software development with strong expertise in Java (Spring Boot) and Angular.
• Proven experience in application migration or re-engineering projects in complex environments.
• Solid understanding of modern application architecture, RESTful APIs, microservices, and secure coding practices.
• Experience in Spring Boot migration projects is required.
• Fluent in French with strong communication skills.
• Excellent problem-solving skills and ability to work independently in a fast-paced environment.
• Demonstrated ability to take initiative, propose improvements, and mentor mid-level or junior developers.
• Strong collaboration skills; able to work effectively with Product Owners, Business Analysts, and development teams.
• Familiarity with Agile methodologies (daily stand-ups, sprint planning, retrospectives, demos) and continuous delivery workflows.
• Ability to maintain and improve existing applications, handle incident resolution, ensure operational stability, and address performance bottlenecks or technical debt.

📍 Location: Porto or Lisbon (Hybrid)

🚀If you feel this opportunity is for you, send your CV and join our team!