Senior Java Developer

🏢 Summary: Senior Java Developer role in a hybrid model (up to 4 remote days per week) focused on designing and delivering robust, scalable enterprise applications. The position involves end-to-end Java development, technical design, troubleshooting, and contribution to CI/CD processes. You will collaborate with cross-functional teams to build high-quality, performance-driven software solutions. 🗂️ Requirements: Minimum 7 years of professional experience in Java development, Strong proficiency in Java and enterprise-level applications, Solid understanding of software design patterns and architecture, Ability to work in a hybrid work model, Fluent English proficiency, Good command of Polish, Legal right to work in the European Union 📃 Skills: Java, CI/CD, Microservices, Cloud, Architecture, DesignPatterns 🏢 Description: Empower innovative software solutions — shape the future of Java development! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week) As a Senior Java Developer within our client’s software development team, you will be working for a leading industry innovator dedicated to delivering cutting-edge applications. Your expertise will drive the development of robust, scalable, and efficient systems that empower organizations and transform digital experiences. Your main responsibilities: Design, develop, and maintain high-quality Java applications aligned with project requirements Collaborate with cross-functional teams to deliver seamless software solutions Identify and troubleshoot technical issues to ensure optimal system performance Participate in code reviews, testing, and documentation to uphold coding standards Contribute to continuous integration and deployment processes to enhance development workflows Implement best practices in software development and contribute to technical design discussions You're ideal for this role if you have: At least 7 years of professional experience in Java development Strong proficiency in Java, with experience in enterprise-level applications Solid understanding of software design patterns and architecture Ability to work effectively in a hybrid environment with a flexible remote schedule Good command of Polish and English, with fluent proficiency in English Excellent problem-solving skills and attention to detail It is a strong plus if you have: (optional) Experience with cloud platforms or microservices architecture Knowledge of additional programming languages or frameworks Certifications in Java or related technologies Language Required for the role: Polish and English – fluent proficiency in English preferred 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.

🏢 Summary: Senior Java Developer role focused on designing and delivering robust, scalable enterprise applications within a hybrid work model. The position involves full-cycle development, technical design, troubleshooting, and contributing to CI/CD processes. Ideal for experienced Java professionals who want to shape high-quality software solutions in a collaborative environment. 🗂️ Requirements: Minimum 7 years of professional experience in Java development, Strong proficiency in Java and enterprise-level applications, Solid understanding of software design patterns and architecture, Fluent English proficiency, Good command of Polish, Ability to work in a hybrid work model, Legal right to work in the European Union 📃 Skills: Java, CI/CD, Microservices, Cloud, Architecture, DesignPatterns 🏢 Description: Empower innovative software solutions — shape the future of Java development! Warszawa-based opportunity with hybrid work model (up to 4 remote days per week) As a Senior Java Developer within our client’s software development team, you will be working for a leading industry innovator dedicated to delivering cutting-edge applications. Your expertise will drive the development of robust, scalable, and efficient systems that empower organizations and transform digital experiences. Your main responsibilities: Design, develop, and maintain high-quality Java applications aligned with project requirements Collaborate with cross-functional teams to deliver seamless software solutions Identify and troubleshoot technical issues to ensure optimal system performance Participate in code reviews, testing, and documentation to uphold coding standards Contribute to continuous integration and deployment processes to enhance development workflows Implement best practices in software development and contribute to technical design discussions You're ideal for this role if you have: At least 7 years of professional experience in Java development Strong proficiency in Java, with experience in enterprise-level applications Solid understanding of software design patterns and architecture Ability to work effectively in a hybrid environment with a flexible remote schedule Good command of Polish and English, with fluent proficiency in English Excellent problem-solving skills and attention to detail It is a strong plus if you have: (optional) Experience with cloud platforms or microservices architecture Knowledge of additional programming languages or frameworks Certifications in Java or related technologies Language Required for the role: Polish and English – fluent proficiency in English preferred 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.

🏢 Summary: Senior Java Software Engineer role focused on modernizing legacy banking applications and developing microservices for financial transaction and regulatory reporting platforms. The position involves designing Java 17 and Spring Boot solutions, improving observability, and collaborating with global teams in a hybrid Krakow-based work model. 🗂️ Requirements: 5+ years of experience developing and supporting distributed Java systems, Experience designing microservices, Strong knowledge of Java 17, Experience with Spring Boot, Experience with Java frameworks, Experience with DevOps tools, Experience with JIRA, Experience with Confluence, Experience with Ansible, Experience with CI/CD pipelines, Knowledge of REST APIs, Experience with Spring Cloud, Experience with GCP, Experience with Redis, Fluent English, Legal right to work in Europe 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, SpringCloud, GCP, Redis, Ansible, JIRA, Confluence, CI/CD, GitHub, Claude, Angular 🏢 Description: Empower innovation at the forefront of cloud and microservices — shape the future of banking technology. Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Java Software Engineer , you will be working for our client, a global financial services leader dedicated to transforming banking through cutting-edge IT solutions. You’ll contribute to the modernization of legacy Java applications, supporting high-impact financial transactions and regulatory reporting platforms. This role offers you the chance to be part of a dynamic team driving digital innovation and operational excellence. Your main responsibilities: Actively participate in incident, problem, and service management activities, ensuring continuous service delivery. Evergreen legacy Java applications leveraging Github Co-Pilot, Claude Code, and other modern tools. Collaborate closely with business product owners, IT specialists, architects, and management to analyze and translate requirements into technical solutions. Design and develop robust microservices using Java 17 and Spring Boot within an Agile environment. Create observability solutions for monitoring, alerting, incident response, and capacity management, ensuring high system reliability. You're ideal for this role if you have: 5+ years of experience in developing and supporting distributed Java systems. Strong expertise in designing microservices with Java 17 and Spring Boot. Experience with Java frameworks, DevOps tools, and application lifecycle management (e.g., JIRA/Confluence, Ansible, CI/CD pipelines). Proficient in REST APIs, Spring Cloud, GCP, Redis, and related technologies. Excellent analytical and communication skills, capable of working across regions with a global perspective. It is a strong plus if you have: (optional) Knowledge of Angular, vulnerability remediation, or related cloud technologies. Language required for the role: Fluent English, with strong communication skills. Eligibility to work in: Only candidates with an existing legal right to work in Europe 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.

🏢 Summary: Senior Java Developer role focused on building, maintaining, and optimizing scalable Java applications for complex financial and enterprise systems in a hybrid Krakow setup. The position involves working with microservices architecture, REST APIs, and databases within an Agile environment. You will contribute to design, development, performance optimization, and technical reviews. 🗂️ Requirements: Minimum 6 years of Java development experience, At least 5 years of experience with Spring and Spring Boot, Strong experience with Microservices architecture, Strong knowledge of REST APIs and integration patterns, Experience with SQL and NoSQL databases, Ability to design application architecture, Experience working in Agile environments 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, SQL, NoSQL, APIs, Architecture, Agile 🏢 Description: 📍 Location: Krakow, hybrid 3 days/week Role: Senior Java Developer Role Description: We are looking for an experienced Java Developer to join technology team. You will be responsible for developing, maintaining, and optimizing Java-based applications that support complex financial systems and enterprise platforms. Key Competencies: Agile way of working and collaboration in cross-functional teams Advanced Java concepts and object-oriented design principles Java API management, RESTful services, and Microservices architecture Database technologies (SQL / NoSQL) and performance optimization Requirements: Minimum 6 years of experience in Java development Strong experience with Spring / Spring Boot and Microservices (5+ years) Good understanding of REST APIs, integration patterns, and application architecture Experience with database technologies and writing efficient queries Ability to work in a team environment and communicate effectively with technical and non-technical stakeholders Experience working in Agile delivery environments Nice-to-Have / Bonus Skills: Experience in production support and troubleshooting Participation in design and architecture reviews Exposure to cloud platforms and modern deployment pipelines Mentoring or leading technical discussions Responsibilities: Design, develop, and maintain scalable Java applications Participate in design and code reviews Troubleshoot issues and optimize system performance Collaborate with business analysts and other teams to deliver solutions Prepare technical documentation and reports as needed

🏢 Summary: Senior Java Developer role focused on building scalable REST APIs and advanced backend systems using modern Java and Spring technologies. The position involves designing, developing, and testing secure enterprise solutions in a hybrid work model. It offers the opportunity to contribute to large-scale digital transformation initiatives. 🗂️ Requirements: 5+ years of professional experience in Java development, Strong expertise in Java 17+, Strong expertise in Spring Boot 3/4+, Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL, Experience in building and securing REST APIs, Ability to perform unit and integration testing, Ability to analyze requirements and translate them into technical solutions, Fluent English (written and spoken), Legal right to work in the European Union, Availability to work in a hybrid model (up to 2 remote days per week) 📃 Skills: Java, Spring, SpringBoot, Git, Kubernetes, Jenkins, Flyway, RabbitMQ, PostgreSQL, REST, UnitTesting, IntegrationTesting, Architecture, Security, English 🏢 Description: Unleash innovation with scalable enterprise solutions — shape the future of digital transformation! Warsaw-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Java Developer , you will be working for our client, a leading player in the technology industry committed to delivering cutting-edge software solutions. You will contribute to building robust, scalable REST APIs and advanced backend systems, empowering organizations to transform their digital landscapes and drive business success. This is your chance to grow your career at the forefront of technological innovation. Your main responsibilities: Analyze requirements and convert them into comprehensive technical tasks, supporting the development process. Propose and challenge technical solutions to ensure optimal implementation. Develop functionalities in Java 17+ using Spring Boot 3/4+ in line with architectural and security standards. Conduct thorough unit and integration testing to ensure code quality. Create and update technical and architectural documentation for ongoing project clarity. Share knowledge with team members to foster continuous learning and improvement. Stay updated on technological advancements and suggest innovative enhancements. You're ideal for this role if you have: 5+ years of professional experience in Java development or relevant fields. Strong expertise in Java 17+ and Spring Boot (version 3 or 4+). Experience with Git, Kubernetes, Jenkins, Flyway, RabbitMQ, and PostgreSQL. Proven ability to analyze complex requirements and translate them into technical solutions. Solid understanding of REST API development, architecture, security, and best practices. Excellent communication skills in fluent English. Ability to work in a hybrid model, with up to 2 remote days per week. It is a strong plus if you have: Knowledge of containerization and orchestration tools or certifications. Experience working within Agile teams or with CI/CD pipelines. Language Required for the role: Fluent English, written and spoken. Eligibility to work in Europe: 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.

🏢 Summary: Senior Java Software Development Engineer role focused on building secure, resilient digital servicing solutions at enterprise scale within a global engineering team. The position involves developing reactive microservices, improving cyber resilience, reducing technical debt, and supporting CI/CD-driven delivery using modern Java and cloud technologies. Hybrid work model based in Krakow with international collaboration. 🗂️ Requirements: 5+ years of experience with Java (Java 11+), Strong experience with Maven, Strong experience with Spring ecosystem (Spring Boot, Security, Integration, Batch, WebFlux, Data), Hands-on experience with reactive microservices, Experience with JDBC, Proficiency with RESTful APIs, Working knowledge of SQL and Hibernate, Experience with Oracle and/or PostgreSQL, Experience with Docker and Kubernetes, Experience with AWS, Familiarity with CI/CD pipelines and Jenkins, Experience with Git, Communicative English, Legal right to work in Europe 📃 Skills: Java, Maven, Spring, SpringBoot, SpringSecurity, SpringIntegration, SpringBatch, WebFlux, SpringData, JDBC, REST, SOAP, SQL, Hibernate, Oracle, PostgreSQL, Docker, Kubernetes, AWS, Jenkins, Git, MongoDB 🏢 Description: Build resilient digital services at enterprise scale—turn secure engineering into measurable operational impact. Location & work model Krakow-based role with a hybrid work model (up to 3 remote days per week) As a Senior Java Software Development Engineer – Digital Servicing , you will be working for our client’s dynamic global Digital Servicing engineering team based in Krakow, collaborating daily with colleagues across Poland, the UK, China, and Hong Kong. You’ll help develop and maintain secure, reliable software that improves cyber resilience, reduces vulnerabilities, and supports continuous engineering delivery through automation and modern tooling. Your main responsibilities: Develop, maintain, and enhance efficient, reusable, secure, and reliable code in line with approved design and coding standards. Resolve technical debt to strengthen code quality, reliability, and maintainability across services. Improve cyber security by reducing software vulnerabilities and supporting stronger operational resilience. Innovate and introduce new technologies and toolings that automate and optimize engineering deliverables. Collaborate with global team members across multiple locations to deliver improvements and ensure alignment on engineering practices. Build and evolve reactive microservices using modern Java and framework capabilities to support scalable digital servicing. Ensure thorough unit testing and reliable integration through disciplined development and API-driven service design. You're ideal for this role if you have: 5+ years of experience with Java (Java 11 onwards). Strong experience with Maven and Spring ecosystem (including Spring Boot, Security, Integration, Batch, WebFlux, and Data). Hands-on experience with reactive microservices and development using JDBC. Proficiency with RESTful APIs, and familiarity with SOAP-based services as well. Working knowledge of SQL and Hibernate for relational data access, plus experience with Oracle and/or PostgreSQL. Experience with Docker, Kubernetes, and AWS. Familiarity with CI/CD pipelines and tools such as Jenkins and Git. Comfort working in an agile, global environment, with communicative English for daily collaboration. It is a strong plus if you have: (optional) Experience with non-relational databases such as MongoDB. Language Required for the role : Communicative English Eligibility for the role : Only candidates with an existing legal right to work in Europe 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.

🏢 Summary: Senior Java Developer role focused on building secure, scalable enterprise banking applications using modern Java and Spring technologies in a hybrid work model. The position involves developing high-performance REST APIs, managing databases, and supporting CI/CD pipelines within a complex enterprise environment. You will collaborate with cross-functional teams to deliver robust financial solutions. 🗂️ Requirements: 5+ years of Java development experience in enterprise environments, Strong expertise in Java and Spring Boot, Experience with JPA and REST API development, Proficiency with PostgreSQL and Oracle databases, Knowledge of security patterns and testing frameworks, Experience with CI/CD and containerization tools, Communicative proficiency in Polish, Legal right to work in the European Union 📃 Skills: Java, Spring, SpringBoot, JPA, REST, PostgreSQL, Oracle, JUnit, Mockito, OpenShift, Jenkins, GitLab, Maven, Liquibase, Postman, RabbitMQ, Kafka, MongoDB, Camunda, CICD 🏢 Description: Unleash innovation — drive the future of enterprise software development! Wroclaw/Poznań-based opportunity with hybrid work model (up to 4 remote days per week). As a Senior Java Developer , you will be working for our client, a leader in the banking sector dedicated to delivering cutting-edge financial solutions. You will help build robust, secure, and scalable enterprise applications that empower banking institutions and SME clients across Europe. Join us in shaping the digital transformation of financial services and advancing your career in a dynamic, innovative environment. Your main responsibilities: Develop and maintain high-performance Java applications using Spring Boot (preferably 21/25 versions) and Spring frameworks. Design, implement, and optimize REST APIs with security best practices. Collaborate closely with testers, analysts, and Product Owners to deliver seamless solutions. Manage databases including PostgreSQL, Oracle, and utilize JPA for persistence layer development. Use architectural tools such as Postman, Liquibase, Jenkins, Gitlab, Maven, and OpenShift to ensure continuous integration and delivery. Contribute to system security design, integrating technologies like Mockito, JUnit, RabbitMQ, Kafka, and MongoDB. Participate in code reviews, architectural discussions, and testing for quality assurance. Support deployment pipelines and collaborate with cross-functional teams to deliver excellence. You're ideal for this role if you have: 5+ years of experience in Java development within enterprise environments. Strong expertise in Java, Spring (preferably 21/25), JPA, and REST API development. Proficiency in database management, including PostgreSQL and Oracle. Solid knowledge of security patterns and testing frameworks such as JUnit and Mockito. Experience working with containerization and CI/CD tools like OpenShift, Jenkins, and Gitlab. Comfortable working in a collaborative environment with testers, analysts, and Product Owners. It is a strong plus if you have: (optional) Experience with RabbitMQ, Kafka, or MongoDB. Familiarity with Camunda BPM and banking industry solutions. Certifications or knowledge related to these technologies. Language Required for the role: Communicative proficiency in Polish. 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. We offer you At ITDS , you will work on innovative and impactful technology projects for international companies across multiple industries in Europe and beyond. We create an environment for ambitious, driven professionals who want to grow, deliver value, and build their careers in modern IT and digital transformation. Our offer includes: Stable and long-term cooperation with attractive conditions Opportunities to develop your technical expertise across various industries and technologies The chance to work on high-impact, strategic IT and digital transformation projects A clear career path and the opportunity to grow quickly by contributing to diverse client initiatives over time International environment , knowledge sharing, social events, and training opportunities Access to an attractive medical package Access to the Multisport program Access to learning platforms such as Pluralsight Flexible working hours and remote work options Internal number #8702

🏢 Summary: Senior Backend Java Developer role focused on designing and building scalable, high-performance backend systems using Java and Spring Boot in a cloud-native environment. The position involves developing enterprise-grade solutions, ensuring performance and security, and supporting containerized deployments. The role requires strong experience with modern backend technologies and infrastructure tools. 🗂️ Requirements: 8+ years of backend development experience, Strong experience with Java 17+, Strong experience with Spring and Spring Boot, Experience with Spring Security, Experience with SQL databases, Experience with Maven, Experience with Git and CI/CD pipelines, Experience with testing frameworks (JUnit, AssertJ, Hamcrest), Experience with Kubernetes and Helm, Experience with Bash or Shell scripting, Experience with cloud-native applications, Experience in enterprise environments 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, SQL, Maven, Git, CICD, JUnit, AssertJ, Hamcrest, Kubernetes, Helm, Bash, Shell, Docker, PostgreSQL 🏢 Description: Senior Backend Java Developer Location: Warsaw, Poland (hybrid – 2 days/week in the office) About the Role We’re looking for a Senior Backend Java Developer to design and build scalable, high-performance backend systems for international products. You’ll work in a collaborative environment, contribute to architectural decisions, and mentor other engineers. Responsibilities Design, develop, and maintain backend systems using Java 17+ and Spring Boot Ensure scalability, performance, and security of solutions Work with SQL databases (e.g. PostgreSQL) Support deployments using Docker, Kubernetes, and Helm Use Bash/Shell for automation and integration tasks Lead technical discussions and mentor team members Collaborate in Agile (Scrum) teams and communicate in English Requirements Strong experience with Java 17+, Spring / Spring Boot / Spring Security Experience with cloud-native applications Maven, SQL, Git (GitHub, CI/CD) Testing frameworks (JUnit, AssertJ, Hamcrest) Kubernetes, Helm Bash/Shell scripting English B2/C1 Experience in enterprise environments 8+ years of backend development experience Nice to Have PostgreSQL, Hibernate/JPA Kafka, event-driven architecture Microservices architecture Python Knowledge of C or Go CI/CD tools, JIRA Monitoring tools (Grafana, Prometheus, Kibana) Security best practices (OWASP) Qualifications Degree in Computer Science or related field

🏢 Summary: Senior Java Software Security Engineer role focused on building and securing cloud-native solutions within a large-scale Software Security platform. The position involves hands-on development, secure architecture design, and integration of modern security protocols in production cloud environments. You will drive engineering excellence across Java-based, event-driven systems deployed on GCP. 🗂️ Requirements: 7+ years of experience in Java development and software security, Expert knowledge of Java 21+ and JVM internals, Strong experience with Spring Boot, Hands-on experience with GCP cloud services, Experience designing cloud-native architectures, Experience with GKE and containerized deployments, Experience with Cloud Spanner and Postgres, Experience with event-driven systems (Kafka or Pub/Sub), Experience implementing OAuth2 and OpenID Connect, Knowledge of Zero Trust Architecture, Ability to identify and mitigate software security risks 📃 Skills: Java, Spring, JVM, GCP, GKE, Kubernetes, Spanner, Postgres, Kafka, PubSub, OAuth2, OpenID, ZeroTrust, Loom, Cloud, Microservices 🏢 Description: Unleash the Future of Software Security — Drive Innovation and Excellence at Scale! Krakow-based opportunity with hybrid work model (3 remote days per week). As a Senior Java Software Security Engineer – Cloud & Open Source , you will be working for our client, a global leader in innovative security solutions within the financial industry. You will play a pivotal role in adopting engineering excellence across their Software Security platform, directly contributing to cutting-edge cloud-native solutions, open-source initiatives, and high-impact program deliveries. This is a unique chance to shape the security landscape while advancing your career in a dynamic, high-tech environment. Your main responsibilities: Take ownership of code delivery, contributing hands-on to complex security solutions in production environments Develop and contribute to open source projects, blogs, or GitHub repositories showcasing expertise Leverage deep knowledge of Java 21+ (including Virtual Threads/Project Loom), Spring Boot 3.x, and modern JVM internals Design and implement scalable cloud-native architectures using GKE, Cloud Spanner, Postgres, and event-driven systems like Kafka or pub/sub Integrate Zero Trust Architecture and OAuth2/OpenID Connect at the code level to enhance security protocols Translate business requirements into robust technical solutions, driving automation from the outset Lead and influence teams by sharing knowledge, mentoring peers, and raising the bar on quality and efficiency Stay abreast of industry shifts, emerging trends, and innovative practices, guiding teams toward forward-thinking implementation Identify and mitigate software security risks, promoting best practices and continuous improvement You're ideal for this role if you have: 7 or more years of experience in Java development, software security, or related fields Proven expertise with JVM internals, memory management, and the Spring Boot ecosystem Hands-on experience working with GCP (Google Cloud Platform) cloud services Strong understanding of cloud-native architectures, open source tools, and modern security protocols Ability to create impactful solutions that make banking better, faster, and safer Leadership skills to influence teams and foster a culture of continuous learning and high standards Experience identifying security risks and adopting innovative tech or processes to address them A holistic, generalist mindset capable of applying thinking across multiple domains It is a strong plus if you have: Contributions to open source projects or technical blogs Certifications related to cloud platforms or security Language required for the role: Fluent English, with excellent communication skills Eligibility to work in Europe: 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.

🏢 Summary: Senior Java Software Security Engineer role focused on building and securing cloud-native, open-source-driven solutions within a large-scale security platform. The position involves hands-on development, secure architecture design, and implementation of modern JVM and cloud technologies in production environments. The role combines deep Java expertise with cloud security and event-driven system design. 🗂️ Requirements: 7+ years of experience in Java development or software security, Expert knowledge of Java 21+ and JVM internals, Strong experience with Spring Boot, Hands-on experience with GCP services, Experience designing cloud-native architectures, Experience with event-driven systems, Knowledge of OAuth2 and OpenID Connect, Experience integrating Zero Trust Architecture, Experience identifying and mitigating software security risks, Fluent English, Legal right to work in the EU 📃 Skills: Java, JVM, SpringBoot, GCP, GKE, CloudSpanner, Postgres, Kafka, PubSub, OAuth2, OpenIDConnect, ZeroTrust, ProjectLoom, MemoryManagement, Cloud, GitHub 🏢 Description: Unleash the Future of Software Security — Drive Innovation and Excellence at Scale! Krakow-based opportunity with hybrid work model (3 remote days per week). As a Senior Java Software Security Engineer – Cloud & Open Source , you will be working for our client, a global leader in innovative security solutions within the financial industry. You will play a pivotal role in adopting engineering excellence across their Software Security platform, directly contributing to cutting-edge cloud-native solutions, open-source initiatives, and high-impact program deliveries. This is a unique chance to shape the security landscape while advancing your career in a dynamic, high-tech environment. Your main responsibilities: Take ownership of code delivery, contributing hands-on to complex security solutions in production environments Develop and contribute to open source projects, blogs, or GitHub repositories showcasing expertise Leverage deep knowledge of Java 21+ (including Virtual Threads/Project Loom), Spring Boot 3.x, and modern JVM internals Design and implement scalable cloud-native architectures using GKE, Cloud Spanner, Postgres, and event-driven systems like Kafka or pub/sub Integrate Zero Trust Architecture and OAuth2/OpenID Connect at the code level to enhance security protocols Translate business requirements into robust technical solutions, driving automation from the outset Lead and influence teams by sharing knowledge, mentoring peers, and raising the bar on quality and efficiency Stay abreast of industry shifts, emerging trends, and innovative practices, guiding teams toward forward-thinking implementation Identify and mitigate software security risks, promoting best practices and continuous improvement You're ideal for this role if you have: 7 or more years of experience in Java development, software security, or related fields Proven expertise with JVM internals, memory management, and the Spring Boot ecosystem Hands-on experience working with GCP (Google Cloud Platform) cloud services Strong understanding of cloud-native architectures, open source tools, and modern security protocols Ability to create impactful solutions that make banking better, faster, and safer Leadership skills to influence teams and foster a culture of continuous learning and high standards Experience identifying security risks and adopting innovative tech or processes to address them A holistic, generalist mindset capable of applying thinking across multiple domains It is a strong plus if you have: Contributions to open source projects or technical blogs Certifications related to cloud platforms or security Language required for the role: Fluent English, with excellent communication skills Eligibility to work in Europe: 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.