April 8, 2026

Java & React Full Stack Developer with GCP skills (must have!)

Mid • Hybrid

1,100 - 1,350 PLN

Krakow, Poland

Unleash innovation at the intersection of cloud, data, and full-stack development — shape the future of banking technology!

Krakow-based opportunity with hybrid work model (up to 3 days remote per week).

As a Java & React Full Stack Developer, you will be working for our client, a leading global financial institution, supporting the transformation of their data and reporting systems within the International Wealth & Premier Banking division. You will be instrumental in migrating critical reporting platforms to the cloud and developing scalable, web-based applications that enhance decision-making and operational efficiency. Join a dynamic team committed to technological excellence and career growth in the finance sector.

Your main responsibilities:

  • Independently design, develop, test, and deploy web applications in a collaborative, cross-country environment.

  • Support the migration of existing reporting systems to cloud-based platforms, ensuring seamless transition and minimal disruption.

  • Mentor and guide team members, facilitating knowledge transfer and best practices for technology stack evolution.

  • Ensure development adherence to IT methodologies, security standards, and documentation requirements.

  • Work in an agile environment to deliver high-quality features aligned with client needs.

You're ideal for this role if you have:

  • 3+ years of experience in delivering large-scale full-stack web applications with microservice architecture.

  • Strong proficiency in Java (Java 17+ preferred), Spring/Spring Boot, and RESTful API development.

  • Expertise in ReactJS, JavaScript, and TypeScript.

  • Hands-on experience with Google Cloud Platform products.

  • Working knowledge of relational databases/data warehouses such as PostgreSQL, BigQuery, or AlloyDB.

  • Experience with Git and SCM systems like GitHub.

  • Knowledge of data visualization tools (e.g., Apache ECharts) is an advantage.

  • Understanding of CI/CD pipelines, particularly Jenkins.

It is a strong plus if you have:

  • Certifications or experience in cloud architecture or DevOps practices.

We offer you:

ITDS Business Consultants is involved in various, innovative, and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes:

  • Stable and long-term cooperation with very good conditions

  • Enhance your skills and develop your expertise in the financial industry

  • Work on the most strategic projects available in the market

  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years

  • Participation in Social Events, training, and work in an international environment

  • Access to an attractive Medical Package

  • Access to Multisport Program

#GETREADY

Internal job ID #8678

You can report violations in accordance with ITDS’s Whistleblower Procedure available here.

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Krakow, Poland

23,520 - 30,240 PLN

🏢 Summary: Senior Java Full Stack Developer role focused on building and supporting scalable banking applications within a global engineering team. The position involves developing microservices-based systems, ensuring production stability, and driving digital transformation in financial services. Hybrid work model with strong emphasis on DevOps, observability, and end-to-end support. 🗂️ Requirements: 6+ years of Java and full-stack development experience, Expertise in Java 21 and Spring Boot 3.x, Experience with microservices architecture and REST APIs, Strong knowledge of React JS, Experience with PostgreSQL, Experience with messaging systems (MQ or Solace), Familiarity with Kubernetes and Redis, Experience with CI/CD and DevOps practices, Knowledge of observability and monitoring tools, Fluent English, Legal right to work in the EU 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, JSON, React, PostgreSQL, MQ, Solace, Kubernetes, Redis, Grafana, Splunk, Logstash, Prometheus, Jenkins, Ansible, CI/CD, DevOps 🏢 Description: Empower financial innovation — shape the future of banking technology! Krakow-based opportunity with hybrid work model allowing up to 3 remote days per week. As a Senior Java Full Stack Developer – Banking and Financial Services , you will be working for our client, a leading global bank, contributing to the development and support of critical financial applications. You will help build robust, scalable systems that drive digital transformation in the banking sector, offering innovative solutions to complex financial challenges. Your main responsibilities: Deliver application enhancements and provide ongoing support as a key member of a global engineering team. Collaborate with business stakeholders to plan, execute, and meet project milestones. Lead the resolution of critical incidents, ensuring timely fixes and issue resolution. Own end-to-end production support, managing support requests, tickets, and queries. Diagnose, troubleshoot, and resolve application performance, stability, and usability issues. Create and maintain technical documentation, best-practice guides, and process artifacts. Continuously develop your skills through training, certifications, and practical experience. Act as a subject matter expert for system functionality, operational constraints, and best practices. Participate actively in agile delivery, identifying risks and dependencies early. You're ideal for this role if you have: 6+ years of experience in Java development and full-stack engineering. Deep expertise with Java 21, Spring Boot 3.x, microservices, REST APIs, and JSON. Strong knowledge of React JS, PostgreSQL, and messaging systems like MQ or Solace. Working familiarity with Kubernetes, Redis, and application security best practices. Exposure to observability tools and DevOps/CI/CD pipelines: Grafana, Splunk, Logstash, Prometheus, Jenkins, Ansible. Excellent written and verbal communication skills in English. Ability to work effectively across distributed teams with responsiveness and ownership. Customer-focused mindset with a passion for high-quality deliverables. Comfortable operating within a DevOps model, supporting testing, analysis, and support tasks. It is a strong plus if you have: Basic Python, shell scripting, and experience with workflow engines like Activiti. Familiarity with testing frameworks such as JMock/Mockito and Selenium. Support or development experience with workflow-based applications. Language Required for the role: Fluent English Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Technology

ITDS

Senior FullStack Developer – Java & Angular

Senior

Hybrid

Krakow, Poland

21,000 - 28,560 PLN

🏢 Summary: The offer is for a Senior FullStack Developer (Java & Angular) to design and develop scalable credit and banking applications within an international banking environment. The role focuses on building and maintaining microservices-based systems using modern Java and Angular technologies in a hybrid work model. You will contribute to full lifecycle development, code quality, and cross-location collaboration in a global setup. 🗂️ Requirements: Minimum 4 years experience as FullStack Developer, Angular 8+ experience (preferably 14), Strong Java 11+ experience (project on Java 17), Experience with Spring Boot, Spring Batch, Spring Security, Experience with RESTful microservices, Experience with Hibernate and JUnit, Experience with SQL and PL/SQL, Experience with Oracle databases, Knowledge of HTML, CSS, TypeScript, JavaScript, Experience with Jenkins and CI/CD, Understanding of Agile methodologies, Fluent English, Legal right to work in EU 📃 Skills: Java, Angular, TypeScript, JavaScript, HTML, CSS, Spring, SpringBoot, SpringBatch, SpringSecurity, Hibernate, JUnit, REST, Microservices, SQL, PLSQL, Oracle, Jenkins, CI/CD, JSON, XML 🏢 Description: Unleash innovation at the intersection of finance and technology — shape the future of international banking! Warsaw or Krakow-based opportunity with a hybrid work model, offering 4 remote days per week. As a Senior FullStack Developer – Java & Angular , you will be working for our client, a leading European bank that operates across 72 countries and is driving a cutting-edge tech revolution. Join a new, state-of-the-art hub dedicated to developing critical banking systems for global organizations, pushing the boundaries of financial technology and innovation. Your main responsibilities: Develop and design highly scalable credit applications to support international banking operations Analyze user requirements, develop specifications, and design, code, test, and implement systems aligned with group standards and regulatory requirements Handle development and design projects with proactive estimation, planning, and status reporting to management across locations in Paris/India and ISPL Follow best practices and quality processes for software development Work independently on assigned tasks, with potential mentoring of team members on technical and functional topics Contribute to code reviews and ensure the ongoing maintenance and refactoring of applications Ensure seamless application maintenance and continuous improvement of code quality You're ideal for this role if you have: At least 4 years of experience as a FullStack Developer Proven expertise in Angular 8+ (preferably Angular 14), JSON, XML, TypeScript, JavaScript, HTML, CSS (minimum 2-3 years) Strong background in Java 11+ (project currently runs on Java 17), JDK 8+, Hibernate, JUnit, Spring Framework (Boot, Batch, Security), and RESTful microservices (minimum 2-3 years) Experience working with SQL and PL/SQL, Oracle databases Good understanding of Agile methodologies, web services, APIs, and micro-services architecture Knowledge of DevOps principles & tools such as Jenkins for CI/CD pipelines Excellent communication skills with a high level of soft skills Fluent English proficiency It is a strong plus if you have: Banking or financial industry experience and domain knowledge Language required for the role: Fluent English Eligibility to work on this role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV in English or Polish, along with a statement confirming your consent to the processing and storage of your personal data.