Lead Software Java Engineer

🏢 Summary: Hybrid Java software development role focused on enhancing high-volume, real-time systems in the banking or financial sector. The position covers development environments, databases, testing, code quality, and release preparation, with office attendance in Warsaw 1–2 days per month. 🗂️ Requirements: 5+ years of software development experience, Strong Java development skills, Experience with high-volume, real-time data processing systems, Hands-on Apache Kafka experience, Banking or financial sector experience, Understanding of software testing and system integration 📃 Skills: Java, Kafka, Databases, Testing, Integration 🏢 Description: Work Model Hybrid work model: 1–2 days per month in the Warsaw office. Start Date ASAP or up to 30 days' notice period. Responsibilities - Develop and implement software enhancements. - Prepare and maintain development environments. - Create and modify databases. - Design and execute unit and integration tests. - Ensure solutions comply with system architecture and coding standards. - Perform code reviews and quality assurance activities. - Prepare releases, configurations, and deployment documentation. Requirements - 5+ years of experience in software development. - Strong Java development skills. - Experience with high-volume, real-time data processing systems. - Hands-on experience with Apache Kafka. - Experience in the banking or financial sector. - Understanding of software testing and system integration. Nice to Have - Knowledge of Java Swing (Full Stack profile). What We Offer - Hybrid work model. - Medicover private healthcare. - Multisport card. - Access to an e-learning platform. - Group life insurance.

🏢 Summary: Fully remote Senior Java Engineer role in Poland for a candidate available to start in September. The position focuses on building, testing, reviewing, and maintaining secure enterprise software in an agile team, with opportunities to contribute to planning, design, and delivery. 🗂️ Requirements: 5+ years of software engineering experience, Java and JVM expertise, Object-oriented programming and design patterns, Unit testing, databases and SQL, Secure coding knowledge, HTML and XML knowledge, Git or SVN proficiency, Continuous build and integration familiarity, Agile software development lifecycle experience or strong willingness to work in it, Clean, reusable code development, Verbal and written communication skills, English proficiency at B2+ level 📃 Skills: Java, JVM, OOP, SQL, HTML, XML, Git, SVN, AWS, Elasticsearch, Jenkins, Docker, Kubernetes, GitLab, REST, DevOps 🏢 Description: We are seeking a Senior Java Engineer responsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, with software as the major component, to meet agreed-upon business needs. This position offers a fully remote role based in Poland. We are highly interested in candidates willing to start in September. Responsibilities • Build and maintain efficient, reusable, reliable, and secure code based on User Stories and software designs. • Develop enterprise software within a multi-functional agile team, adhering to company standards and established software methodology. • Ensure delivery of reliable, robust software through the creation and execution of automated tests. • Review the work of peers and more junior developers, providing advice and guidance to benefit the team. • Inspect and adapt through agile retrospectives and reviews, finding innovative ways to make the team work more effectively. • Work with other team members during refinement and planning sessions to analyze development requirements, provide design options and complexity estimates, and agree on delivery approaches. • Provide timely status updates on areas of responsibility during Scrum meetings. Requirements • 5+ years of experience as a software engineer with excellent knowledge of the Java language and underlying JVM. • Solid understanding of object-oriented programming and familiarity with various design patterns. • Experience with unit testing, databases, and SQL. • Understanding of security implications and secure coding. • Good communication skills, both verbal and written. • Skill in writing clean, readable code and reusable components. • Experience in, or a strong desire to work in, a formal agile software development lifecycle. • Understanding of HTML and XML. • Proficiency in source code management tools such as Git or SVN. • Familiarity with continuous build and integration. • Proficiency in English at a B2+ level. Nice to have • Experience with AWS and Elasticsearch. • Experience with CI/CD tooling, such as Jenkins, Docker, Kubernetes, and GitLab, and understanding of DevOps culture. • Experience with RESTful interfaces. • Knowledge of service-oriented architectures. We offer • A hybrid-by-design mode and the opportunity to work remotely within Poland. • The chance to work abroad for up to 60 days annually. • Business-driven relocation opportunities. • Career development programs. • Thought leadership, mentoring, soft-skills, and well-being programs. • Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS. • English classes. • Stable pay. • Participation in the Employee Stock Purchase Plan with a 15% discount. • Benefits package, including health insurance, Multisport, and shopping vouchers. • Referral bonuses up to $2,000. • Offices with entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more. • Corporate, social, and well-being events. • Benefits listed above are available to employees only. • Open to working with contractors; terms of B2B cooperation agreements are agreed individually.

🏢 Summary: Fully remote Senior Java Engineer role in Poland, focused on building secure, reliable enterprise software in an agile team. The position involves Java development, automated testing, code reviews, technical planning and Scrum collaboration, with September start availability preferred. 🗂️ Requirements: 5+ years of software engineering experience, Java and JVM expertise, Object-oriented programming and design patterns, Unit testing, databases and SQL, Secure coding knowledge, Clean, reusable code development, Agile software development lifecycle experience or strong willingness to work in it, HTML and XML knowledge, Git or SVN proficiency, Continuous build and integration familiarity, English proficiency at B2+ level 📃 Skills: Java, JVM, OOP, SQL, HTML, XML, Git, SVN 🏢 Description: Fully remote role based in Poland. Candidates available to start in September are highly preferred.

Responsibilities

• Build and maintain efficient, reusable, reliable and secure code based on user stories and software designs.
• Develop enterprise software within a multifunctional agile team, following established standards and software methodology.
• Create and execute automated tests to deliver reliable, robust software.
• Review peer and junior developers’ work, providing advice and guidance.
• Improve team effectiveness through agile retrospectives and reviews.
• Participate in refinement and planning sessions to analyze requirements, provide design options and complexity estimates, and agree on delivery approaches.
• Provide timely status updates during Scrum meetings.

Requirements

• 5+ years of experience as a software engineer, with excellent knowledge of Java and the JVM.
• Solid understanding of object-oriented programming and familiarity with design patterns.
• Experience with unit testing, databases and SQL.
• Understanding of security implications and secure coding.
• Strong verbal and written communication skills.
• Ability to write clean, readable code and reusable components.
• Experience with, or a strong desire to work in, a formal agile software development lifecycle.
• Understanding of HTML and XML.
• Proficiency with source-code management tools such as Git or SVN.
• Familiarity with continuous build and integration.
• English proficiency at B2+ level.

Nice to Have

• Experience with AWS and Elasticsearch.
• Experience with CI/CD tooling such as Jenkins, Docker, Kubernetes and GitLab, plus an understanding of DevOps culture.
• Experience with RESTful interfaces.
• Knowledge of service-oriented architectures.

Benefits

• Hybrid-by-design work mode and remote work within Poland.
• Opportunity to work abroad for up to 60 days annually.
• Business-driven relocation opportunities.
• Career development programs, thought leadership, mentoring, soft-skills and well-being programs.
• Certification opportunities in Anthropic, Gemini, GCP, Azure and AWS.
• English classes.
• Stable pay.
• Employee Stock Purchase Plan participation with a 15% discount.
• Benefits package including health insurance, Multisport and shopping vouchers.
• Referral bonuses up to $2,000.
• Offices with entertainment and relaxation zones, table tennis, football, snacks and coffee.
• Corporate, social and well-being events.

Listed benefits are available to employees only.

Contractor engagement is also available; B2B cooperation terms are agreed individually.

🏢 Summary: Fully remote Senior Java Engineer role in Poland, focused on designing, building, testing and maintaining secure enterprise software in an agile team. The role involves code reviews, automated testing, technical planning and Scrum collaboration, with a September start preferred. 🗂️ Requirements: 5+ years of software engineering experience, Excellent Java and JVM knowledge, Object-oriented programming and design patterns, Unit testing, databases and SQL experience, Secure coding knowledge, Clean, reusable code development, Agile software development lifecycle experience or strong willingness to work in it, HTML and XML understanding, Git or SVN proficiency, Continuous build and integration familiarity, English proficiency at B2+ level, Strong written and verbal communication skills 📃 Skills: Java, JVM, SQL, HTML, XML, Git, SVN 🏢 Description: We are seeking a Senior Java Engineer responsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, with software as the major component, to meet agreed-upon business needs. This position offers a fully remote role based in Poland. Candidates willing to start in September are highly preferred. Quick Facts • Fully remote role within Poland • Preferred start: September • Open to employees and contractors; B2B terms are agreed individually Responsibilities • Build and maintain efficient, reusable, reliable and secure code based on User Stories and software designs • Develop enterprise software within a multi-functional agile team, adhering to company standards and established software methodology • Ensure delivery of reliable, robust software through the creation and execution of automated tests • Review the work of peers and more junior developers, providing advice and guidance to benefit the team • Inspect and adapt through agile retrospectives and reviews, finding innovative ways to make the team work more effectively • Work with other team members during refinement and planning sessions to analyze development requirements, provide design options and complexity estimates, and agree on delivery approaches • Provide timely status updates on areas of responsibility during Scrum meetings Requirements • 5+ years of experience as a software engineer with excellent knowledge of the Java language and underlying JVM • Solid understanding of object-oriented programming and familiarity with various design patterns • Experience with unit testing, databases and SQL • Understanding of security implications and secure coding • Good communication skills, both verbal and written • Skill in writing clean, readable code and reusable components • Experience in, or a strong desire to work in, a formal agile software development lifecycle • Understanding of HTML and XML • Proficiency in source code management tools such as Git or SVN • Familiarity with continuous build and integration • English proficiency at B2+ level Nice to Have • Experience with AWS and Elasticsearch • Experience with CI/CD tooling such as Jenkins, Docker, Kubernetes and GitLab, and understanding of DevOps culture • Experience with RESTful interfaces • Knowledge of service-oriented architectures We Offer • Hybrid-by-design work mode and the opportunity to work remotely within Poland • Opportunity to work abroad for up to 60 days annually • Business-driven relocation opportunities • Career development programs • Thought leadership, mentoring, soft-skills and well-being programs • Certification opportunities: Anthropic, Gemini, GCP, Azure and AWS • English classes • Stable pay • Participation in the Employee Stock Purchase Plan with a 15% discount • Benefits package, including health insurance, multisport and shopping vouchers • Referral bonuses up to $2,000 • Offices with entertainment and relaxation zones, table tennis, football, free snacks and coffee • Corporate, social and well-being events Benefits listed above are available to employees only. Only selected candidates will be contacted.

🏢 Summary: Fully remote Senior Java Engineer role in Poland, focused on designing, building, testing and maintaining secure enterprise software in an agile team. The position involves technical design, automated testing, code reviews, estimation and Scrum collaboration, with a preferred September start. 🗂️ Requirements: 5+ years of software engineering experience, Java and JVM expertise, Object-oriented programming and design patterns, Unit testing, databases and SQL, Secure coding knowledge, Clean, reusable code development, Agile software development lifecycle experience or strong willingness to work in it, HTML and XML knowledge, Git or SVN proficiency, Continuous build and integration familiarity, English proficiency at B2+ level, Strong written and verbal communication skills 📃 Skills: Java, JVM, SQL, HTML, XML, Git, SVN 🏢 Description: We are seeking a Senior Java Engineer responsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, with software as the major component, to meet agreed-upon business needs. This is a fully remote role based in Poland, with preference for candidates available to start in September. Quick Facts • Fully remote work within Poland • Preferred start: September • Open to employees and contractors; B2B terms agreed individually Responsibilities • Build and maintain efficient, reusable, reliable, and secure code based on user stories and software designs. • Develop enterprise software within a multi-functional agile team, following company standards and established software methodology. • Ensure reliable, robust software delivery by creating and executing automated tests. • Review peers’ and junior developers’ work, providing guidance to support the team. • Inspect and adapt through agile retrospectives and reviews to improve team effectiveness. • Participate in refinement and planning sessions to analyze requirements, provide design options and complexity estimates, and agree delivery approaches. • Provide timely status updates during Scrum meetings. Requirements • 5+ years of experience as a software engineer, with excellent knowledge of Java and the JVM. • Solid understanding of object-oriented programming and familiarity with design patterns. • Experience with unit testing, databases, and SQL. • Understanding of security implications and secure coding. • Good written and verbal communication skills. • Ability to write clean, readable code and reusable components. • Experience in, or a strong desire to work in, a formal agile software development lifecycle. • Understanding of HTML and XML. • Proficiency with source-code management tools such as Git or SVN. • Familiarity with continuous build and integration. • English proficiency at B2+ level. Nice to Have • Experience with AWS and Elasticsearch. • Experience with CI/CD tools such as Jenkins, Docker, Kubernetes, and GitLab, plus an understanding of DevOps culture. • Experience with RESTful interfaces. • Knowledge of service-oriented architectures. We Offer • Hybrid-by-design work and the opportunity to work remotely within Poland. • Opportunity to work abroad for up to 60 days annually. • Business-driven relocation opportunities. • Career development programs, thought leadership, mentoring, soft-skills and well-being programs. • Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS. • English classes. • Stable pay. • Participation in an Employee Stock Purchase Plan with a 15% discount. • Benefits package including health insurance, multisport, and shopping vouchers. • Referral bonuses of up to $2,000. • Offices with entertainment and relaxation zones, table tennis, football, free snacks, coffee, and more. • Corporate, social, and well-being events. Benefits listed above are available to employees only.

🏢 Summary: Senior Java Engineer role focused on designing, building, testing and maintaining secure enterprise software in an agile team. The offer supports remote work within Poland and seeks candidates available to start in September. 🗂️ Requirements: 5+ years of software engineering experience, Java and JVM expertise, Object-oriented programming and design patterns, Unit testing, databases and SQL, Secure coding knowledge, Clean, reusable code, Agile software development lifecycle, HTML and XML, Git or SVN, Continuous build and integration, English B2+, Verbal and written communication skills 📃 Skills: Java, JVM, SQL, HTML, XML, Git, SVN, Agile, OOP 🏢 Description: We are seeking a Senior Java Engineer responsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, with software as the major component, to meet agreed-upon business needs. This position offers a fully remote role based in Poland. We are highly interested in candidates willing to start in September. Responsibilities - Build and maintain efficient, reusable, reliable and secure code based on User Stories and software designs. - Develop enterprise software within a multi-functional agile team, adhering to company standards and established software methodology. - Ensure delivery of reliable, robust software through the creation and execution of automated tests. - Review the work of peers and more junior developers, providing advice and guidance to benefit the team. - Inspect and adapt through agile retrospectives and reviews, finding innovative ways to make the team work more effectively. - Work with other team members during refinement and planning sessions to analyze development requirements, provide design options and complexity estimates, and agree on delivery approaches. - Provide timely status updates on areas of responsibility during Scrum meetings. Requirements - 5+ years of experience as a software engineer with excellent knowledge of the Java language and underlying JVM. - Solid understanding of object-oriented programming and familiarity with various design patterns. - Experience with unit testing, databases and SQL. - Understanding of security implications and secure coding. - Good communication skills, both verbal and written. - Skill for writing clean, readable code and reusable components. - Experience in or a strong desire to work in a formal agile software development lifecycle. - Understanding of HTML and XML. - Proficiency in source code management tools such as Git or SVN. - Familiarity with continuous build and integration. - Proficiency in English at a B2+ level. Nice to have - Experience with AWS and Elasticsearch. - Experience with CI/CD tooling, such as Jenkins, Docker, Kubernetes and GitLab, and understanding of DevOps culture. - Experience with RESTful interfaces. - Knowledge of service-oriented architectures. We offer - Hybrid-by-design mode and opportunity to work remotely within Poland. - Chance to work abroad for up to 60 days annually. - Business-driven relocation opportunities. Growth opportunities - Career development programs. - Thought leadership, mentoring, soft skills and well-being programs. - Certification: Anthropic, Gemini, GCP, Azure and AWS. - English classes. Compensation and benefits - Stable pay. - Participation in the Employee Stock Purchase Plan with a 15% discount. - Benefits package: health insurance, multisport and shopping vouchers. - Referral bonuses up to $2,000. - Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more. - Corporate, social and well-being events. Benefits listed above are available to employees only. Contractor arrangements - Open to working with contractors. - Terms of B2B cooperation agreements are agreed individually. Only selected candidates will be contacted.

🏢 Summary: Fully remote Senior Java Engineer role in Poland for candidates able to start in September. The position focuses on designing, developing, testing and maintaining secure enterprise software in an Agile team, including code reviews, planning and Scrum collaboration. The offer includes professional development, benefits for employees and individually agreed B2B contractor terms. 🗂️ Requirements: 5+ years of software engineering experience, Excellent Java and JVM knowledge, Object-oriented programming and design-pattern knowledge, Unit testing, database and SQL experience, Secure-coding knowledge, Clean, reusable code skills, HTML and XML knowledge, Git or SVN proficiency, Continuous build and integration familiarity, English proficiency at B2+ level 📃 Skills: Java, JVM, OOP, SQL, HTML, XML, Git, SVN, Testing, Databases, Security, Agile, CI 🏢 Description: We are seeking a Senior Java Engineer responsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, with software as the major component, to meet agreed-upon business needs. This position offers a fully remote role based in Poland. We are highly interested in candidates willing to start in September. Responsibilities • Build and maintain efficient, reusable, reliable and secure code based on User Stories and software designs. • Develop enterprise software within a multi-functional agile team, adhering to company standards and established software methodology. • Ensure delivery of reliable, robust software through the creation and execution of automated tests. • Review the work of peers and more junior developers, providing advice and guidance to benefit the team. • Inspect and adapt through agile retrospectives and reviews, finding innovative ways to make the team work more effectively. • Work with other team members during refinement and planning sessions to analyze development requirements, provide design options and complexity estimates, and agree on delivery approaches. • Provide timely status updates on areas of responsibility during Scrum meetings. Requirements • 5+ years of experience as a software engineer with excellent knowledge of the Java language and underlying JVM. • Solid understanding of object-oriented programming and familiarity with various design patterns. • Experience with unit testing, databases and SQL. • Understanding of security implications and secure coding. • Good communication skills, both verbal and written. • Skill for writing clean, readable code and reusable components. • Experience in or a strong desire to work in a formal agile software development lifecycle. • Understanding of HTML and XML. • Proficiency in source code management tools such as Git or SVN. • Familiarity with continuous build and integration. • Proficiency in English at a B2+ level. Nice to have • Experience with AWS and Elasticsearch. • Experience with CI/CD tooling, such as Jenkins, Docker, Kubernetes and GitLab, and understanding of DevOps culture. • Experience with RESTful interfaces. • Knowledge of service-oriented architectures. We offer • Hybrid-by-design mode and opportunity to work remotely within Poland. • Chance to work abroad for up to 60 days annually. • Business-driven relocation opportunities. • Career development programs. • Thought leadership, mentoring, soft skills and well-being programs. • Certification opportunities: Anthropic, Gemini, GCP, Azure and AWS. • English classes. • Stable pay. • Participation in the Employee Stock Purchase Plan with a 15% discount. • Benefits package: health insurance, multisport and shopping vouchers. • Referral bonuses up to $2,000. • Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more. • Corporate, social and well-being events. Please note: benefits listed above are available to employees only. We are open to working with contractors. Terms of B2B cooperation agreements are agreed individually. We will reach out to selected candidates exclusively.

🏢 Summary: Fully remote Senior Java Engineer role for candidates based in Poland, focused on designing, building, testing and maintaining secure enterprise software in an Agile team. The role includes code reviews, automated testing, technical estimation and Scrum-based delivery, with a preferred September start. 🗂️ Requirements: 5+ years of software engineering experience, Java and JVM expertise, Object-oriented programming and design patterns, Unit testing, databases and SQL, Secure coding knowledge, Clean, reusable code development, Agile software development lifecycle experience or strong willingness to work in it, HTML and XML knowledge, Git or SVN proficiency, Continuous build and integration familiarity, English proficiency at B2+, Ability to work remotely from Poland 📃 Skills: Java, JVM, OOP, SQL, HTML, XML, Git, SVN, AWS, Elasticsearch, Jenkins, Docker, Kubernetes, GitLab, REST, DevOps 🏢 Description: We are seeking a Senior Java Engineer responsible for the analysis, definition, design, construction, testing, installation, modification, and maintenance of properly engineered information systems, with software as the major component, to meet agreed-upon business needs. This is a fully remote role based in Poland. Candidates available to start in September are preferred. Quick Facts - Fully remote work within Poland - Opportunity to work abroad for up to 60 days annually - Open to employees and contractors; B2B cooperation terms are agreed individually Responsibilities - Build and maintain efficient, reusable, reliable, and secure code based on user stories and software designs. - Develop enterprise software within a multi-functional Agile team, following company standards and established software methodology. - Ensure reliable, robust software delivery by creating and executing automated tests. - Review the work of peers and junior developers, providing advice and guidance. - Inspect and adapt through Agile retrospectives and reviews to improve team effectiveness. - Participate in refinement and planning sessions to analyze requirements, provide design options and complexity estimates, and agree on delivery approaches. - Provide timely status updates during Scrum meetings. Requirements - 5+ years of experience as a software engineer with excellent knowledge of Java and the JVM. - Solid understanding of object-oriented programming and familiarity with design patterns. - Experience with unit testing, databases, and SQL. - Understanding of security implications and secure coding. - Good written and verbal communication skills. - Ability to write clean, readable code and reusable components. - Experience with, or a strong desire to work in, a formal Agile software development lifecycle. - Understanding of HTML and XML. - Proficiency with source control tools such as Git or SVN. - Familiarity with continuous build and integration. - English proficiency at B2+ level. Nice to Have - Experience with AWS and Elasticsearch. - Experience with CI/CD tools such as Jenkins, Docker, Kubernetes, and GitLab, plus an understanding of DevOps culture. - Experience with RESTful interfaces. - Knowledge of service-oriented architectures. Benefits - Career development programs, thought leadership, mentoring, soft-skills and well-being programs. - Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS. - English classes. - Stable pay and participation in the Employee Stock Purchase Plan with a 15% discount. - Benefits package including health insurance, multisport, and shopping vouchers. - Referral bonuses up to $2,000. - Business-driven relocation opportunities. - Offices with entertainment and relaxation zones, table tennis, football, free snacks, coffee, and more. - Corporate, social, and well-being events. Benefits listed above are available to employees only. Only selected candidates will be contacted.

🏢 Summary: Senior Java Developer contract for a logistics project, focused on building secure, high-performance backend data-processing services in a microservices architecture. The role uses Java, Confluent Kafka/KStreams, MongoDB Atlas and PostgreSQL, with hybrid work from the Warsaw office 2–3 days per week. 🗂️ Requirements: 10+ years of Java development experience, Strong Confluent Kafka expertise, Strong KStreams expertise, MongoDB Atlas experience, PostgreSQL experience, English proficiency, Polish proficiency 📃 Skills: Java, Kafka, Confluent, KStreams, MongoDB, PostgreSQL, CI/CD, Microservices 🏢 Description: 🌍Work model: 2-3 days a week from the Warsaw office. 💰Rate: B2B - up to 190 zl/h. ⏰Start: ASAP/ 1 month. ⏳Project length: > 12 months + extensions. 📕Project language: English + Polish. 💼 Industry: Logistics. ⚙️Recruitment process: 2 interviews with the client. 🔍Workload: fulltime. Summary: The Senior Java Developer is primarily responsible for designing and developing backend applications while ensuring adherence to high standards of security, performance, and quality. This role focuses on leveraging extensive experience in Java and Kafka to build robust data processing solutions within a microservices architecture. Main Responsibilities: Building, testing, and deploying software using CI/CD pipelines. Creating microservices for data processing, database interactions, and data exposure. Implementing relevant architectural patterns for data handling and web services. Ensuring accurate logging and alert configurations for operational efficiency. Conducting comprehensive testing of software for various performance criteria. Integrating security features, including authentication and authorization controls. Participating in a developer guild to share best practices and technical knowledge. Key Requirements: 10+ years of relevant experience in Java development. Strong expertise in Kafka, particularly with Confluent Kafka and KStreams. Experience with MongoDB Atlas and PostgreSQL as database technologies. Nice to Have: Familiarity with authentication protocols such as OIDC, OAuth2, and SAML. Experience with containerization technologies like Docker. Knowledge of Kubernetes for container orchestration. Experience with the ELK stack for logging, monitoring, and alerting.