Outsystems Developer

🏢 Summary: B2B contract for a Mid/Senior OutSystems Developer to design, develop, and maintain scalable applications on the OutSystems platform in a fully remote EU setup. The role focuses on delivering high-quality solutions, collaborating with cross-functional teams, and translating business requirements into technical implementations. It includes active participation in code reviews and continuous improvement of existing applications. 🗂️ Requirements: Proven experience as Mid or Senior OutSystems Developer, Strong hands-on experience with OutSystems platform, Experience delivering high-quality, scalable applications, Ability to translate business requirements into technical solutions, Experience working in development teams, Professional proficiency in English 📃 Skills: OutSystems, English, SDLC, CodeReview 🏢 Description: 🌍 Work model: Full remote (EU based) 📑 Assignment type: B2B 📕 Project language: English OutSystems Developer (Mid / Senior) This role entails designing, developing, and maintaining high-quality applications on the OutSystems platform, emphasizing collaboration with cross-functional teams and ensuring project deliverables meet quality standards. Main Responsibilities: ·       Develop and maintain scalable applications using the OutSystems platform. ·       Collaborate with team members to apply OutSystems best practices throughout the development lifecycle. ·       Work with stakeholders to understand business requirements and translate them into technical solutions. ·       Participate in code reviews to ensure code quality, maintainability, and adherence to standards. ·       Contribute to technical discussions and suggest improvements to existing solutions. ·       Stay current with OutSystems updates, tools, and methodologies to support continuous improvement. Key Requirements: ·       Proven experience as a Senior OutSystems Developer, with a strong track record of delivering high-quality applications. ·       Solid technical knowledge of the OutSystems platform and its features. ·       Experience collaborating within development teams and supporting junior developers. ·       Professional proficiency in English, both written and spoken. Nice to Have: ·       Good understanding of software development methodologies and best practices. ·       OutSystems certifications.

🏢 Summary: Full remote B2B contract for a Mid/Senior OutSystems Developer to design, develop, and maintain scalable applications on the OutSystems platform. The role focuses on delivering high-quality solutions, collaborating with cross-functional teams, and ensuring adherence to best practices and coding standards. 🗂️ Requirements: Proven experience as Senior OutSystems Developer, Strong knowledge of OutSystems platform features, Experience developing scalable applications, Experience with code reviews and quality standards, Ability to translate business requirements into technical solutions, Experience working in development teams, Professional English proficiency 📃 Skills: OutSystems, SQL, Agile, CodeReview, English 🏢 Description: 🌍 Work model: Full remote (EU based) 📑 Assignment type: B2B 📕 Project language: English OutSystems Developer (Mid / Senior) This role entails designing, developing, and maintaining high-quality applications on the OutSystems platform, emphasizing collaboration with cross-functional teams and ensuring project deliverables meet quality standards. Main Responsibilities: ·       Develop and maintain scalable applications using the OutSystems platform. ·       Collaborate with team members to apply OutSystems best practices throughout the development lifecycle. ·       Work with stakeholders to understand business requirements and translate them into technical solutions. ·       Participate in code reviews to ensure code quality, maintainability, and adherence to standards. ·       Contribute to technical discussions and suggest improvements to existing solutions. ·       Stay current with OutSystems updates, tools, and methodologies to support continuous improvement. Key Requirements: ·       Proven experience as a Senior OutSystems Developer, with a strong track record of delivering high-quality applications. ·       Solid technical knowledge of the OutSystems platform and its features. ·       Experience collaborating within development teams and supporting junior developers. ·       Professional proficiency in English, both written and spoken. Nice to Have: ·       Good understanding of software development methodologies and best practices. ·       OutSystems certifications.

🏢 Summary: The offer is for an Appian Developer responsible for designing, developing, and deploying BPM and low-code workflow automation solutions using the Appian platform. The role involves building process models, integrations, and data models while ensuring application performance, testing, and support across environments. The position requires close collaboration with stakeholders to translate business requirements into scalable technical solutions. 🗂️ Requirements: Experience with Appian platform development, Strong knowledge of BPM concepts, Hands-on experience with Appian components and SAIL, Experience with REST APIs and web services integration, Knowledge of SQL and data modeling, Familiarity with JavaScript, HTML, CSS, Experience in testing, debugging, performance optimization, Ability to translate business requirements into technical solutions, Experience in Agile or DevOps environments 📃 Skills: Appian, BPM, SAIL, REST, SQL, JavaScript, HTML, CSS, Databases, Webservices, DataModeling, ProcessModeling, Testing, Debugging, Performance, Agile, DevOps, Integration 🏢 Description: Position overview We are seeking a skilled Appian Developer to design, develop, test, and deploy business process management (BPM) and low-code applications using the Appian platform. The ideal candidate will work closely with business stakeholders, business analysts, and technical teams to deliver scalable and efficient workflow automation solutions. Responsibilities Design, develop, and implement applications using the Appian Low-Code Automation Platform. Build and configure Appian components including Develop and maintain Appian workflows, business rules, and data models. Integrate Appian applications with external systems, databases, and third-party services. Perform application testing, debugging, and performance tuning. Collaborate with business analysts and stakeholders to gather requirements and translate them into technical solutions. Support deployment activities across development, testing, and production environments. Troubleshoot production issues and provide ongoing application support. Create technical documentation, user guides, and deployment documentation. Requirements Experience developing applications using the Appian platform Strong understanding of business process management concepts and workflow design Hands on experience with Appian components, process models, and SAIL interfaces Experience with integration using REST APIs, web services, and databases Knowledge of SQL and data modeling principles Familiarity with web technologies such as JavaScript, HTML, and CSS Experience with application testing, debugging, and performance optimization Ability to translate business requirements into technical solutions Experience working in Agile or DevOps environments What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 Summary: The offer is for a Java Developer responsible for designing, implementing, and upgrading IT systems based on analytical and technical documentation in a hybrid work model. The role involves working with legacy code, performing reverse engineering, integrating distributed systems, and building automated tests. It requires strong experience with Java enterprise technologies and system integration in complex environments. 🗂️ Requirements: Very good knowledge of Java 8+, Strong object-oriented programming skills, Experience in independent design and implementation of application components, Experience in documenting and testing application components, Practical knowledge of Spring and Spring Boot, Practical knowledge of Hibernate and JPA, Knowledge of JEE, Experience with message queue systems, especially RabbitMQ, Experience with Maven, Git, GitLab, Jenkins, Nexus, Jira, Knowledge of relational databases, especially Oracle, Practical knowledge of RESTful API design, Experience in system integration, Experience with distributed systems, Experience with JBoss or WildFly, Knowledge of Fortify and Sonatype, English proficiency at B2 level 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, GitLab, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Fortify, Sonatype 🏢 Description: On-site work from Warsaw (5 days per week from the Client's office) Full availability in the Polish time zone Polish language is required English: at least B2 Tasks Design and implementation of IT solutions based on analytical and technical documentation Review and improvement of analytical documentation Creation and maintenance of technical documentation Technical upgrades and modernization of an existing system (including migration to Java 17 and newer technologies like Spring Boot) Work with legacy code and monolithic architecture (Java 8-based system) Reverse engineering based on: existing source code functional and technical documentation documented business processes system UI and database access Participation in transformation of a monolithic TMS system (POS terminal management) towards microservices architecture Defining, designing and implementing automated test cases (including regression testing) Identification of areas for test automation based on code and documentation Work with system security improvements and vulnerability mitigation Close cooperation with operational and development teams (~50% analytical work / ~50% development) Working in Scrum (2-week sprints) in a small development team Supporting system evolution and rollout to new markets (e.g. Germany) Requirements Very good knowledge of Java (8+) and object-oriented programming (experience with Java 17 is a plus) At least 5+ years of experience (Regular/Senior level) Experience in independent design, implementation, documentation and testing of application components Strong analytical skills and ability to work with legacy systems Very good practical knowledge of: Spring / Spring Boot Hibernate / JPA JEE RESTful API design Relational databases (especially Oracle ) Practical experience with: Message queues (RabbitMQ) System integration and distributed systems Application servers (JBoss / WildFly) Development tools: Maven, Git, GitLab, GitLab CI/CD, Jenkins, Nexus, Jira Docker Nice to have: Experience with Linux environments Knowledge of code scanning tools (Fortify, Sonatype) Experience with AI-supported development tools (Codex) Offer Multisport card Private healthcare Access to an e-learning platform Group life insurance

🏢 Summary: Long-term B2B role focused on hands-on Java and React development within a microservices architecture, contributing directly to production code and system design. The position combines backend and frontend engineering with architectural responsibilities in a global, collaborative environment. The role supports high-frequency delivery in a financial services context. 🗂️ Requirements: Strong experience with Java, Strong experience with ReactJS, Experience with microservices architecture, Experience delivering RESTful APIs, Experience with PostgreSQL, Recent experience with modern Java versions, Experience delivering code changes at high frequency, Background in financial sector, preferably banking 📃 Skills: Java, ReactJS, Microservices, REST, PostgreSQL 🏢 Description: Working mode : Hybrid - 6 days per month at the Kraków office Contract type : B2B, long term cooperation Summary: This role focuses on hands-on development and system architecture, driving engineering culture, and enhancing business growth through technical expertise in a collaborative, global environment. Main Responsibilities: Deliver code to production and support system architecture aligned to microservices Understand business, engineering, and non-functional requirements Drive the desired engineering culture across teams Collaborate with a globally diverse team across regions Proactively remove impediments, assess risks, and communicate issues to program management Identify and eliminate process inefficiencies Key Requirements: Strong Java and React programming experience Experience in microservice architecture Background in the financial sector, particularly banking Proven capability of delivering code changes at high frequency Experience with RESTful API delivery Familiarity with PostgreSQL databases Recent Java experience, preferably with the latest versions Experience with ReactJS for UI application development Nice to Have: Knowledge of containers and orchestration technologies like Docker and Kubernetes.

🏢 Summary: Senior Software Developer role focused on designing, developing, and maintaining modern web applications and enterprise systems using Angular, Java, and AWS. The position involves full software development lifecycle participation, cloud transformation initiatives, and collaboration within cross-functional teams in a hybrid work model. 🗂️ Requirements: Senior-level Software Developer experience, 6–7 years Angular experience, 4–5 years Java backend development experience, 2–3 years AWS experience, Experience with API design, Experience with enterprise systems, Experience with cloud-native applications, Experience with cloud deployment practices 📃 Skills: Angular, Java, AWS, API, Cloud, SDLC 🏢 Description: Location Wroclaw / Poznan Mandatory onboarding onsite at the office in Wroclaw for 1–3 days Hybrid work model with at least 1–2 visits per month to the Wroclaw office Tasks Design, develop, and maintain software applications and systems Work on both new product development and maintenance of existing systems Participate in all stages of the software development lifecycle including design, implementation, testing, and deployment Collaborate with cross-functional teams to deliver high-quality solutions Conduct code reviews, testing, and performance optimization Contribute to cloud transformation initiatives using modern technologies Requirements Senior-level experience as a Software Developer 6–7 years of hands-on experience with Angular in building modern and scalable web applications 4–5 years of strong backend development experience with Java including API design and enterprise systems 2–3 years of experience working with AWS and cloud deployment practices Proven experience in delivering technical solutions using Angular, Java, and AWS Experience with cloud-native applications and digital transformation projects Offer Multisport card Private healthcare Access to an e‑learning platform Group life insurance

🏢 Summary: 100% remote B2B opportunity to lead a development team in building and maintaining scalable applications within an agile environment. The role combines hands-on full-stack development with strategic technical leadership, focusing on robust system architecture and faster delivery of new solutions. Long-term cooperation with a two-stage recruitment process including a technical test. 🗂️ Requirements: Proficiency in .NET, Proficiency in C#, Experience in full-stack development, Experience with front-end technologies, Experience with document-based databases, Knowledge of event-based messaging frameworks, Experience with cloud services, Experience with containerization, Ability to lead development teams, Experience working in agile environment 📃 Skills: .NET, C#, Angular, MongoDB, Cloud, Docker, Microservices, REST, Git 🏢 Description: Work model: 100% remote Start date: Flexible Rate: up to 215 PLN/h netto + VAT Contract : B2B, long-term cooperation (12-month contract up front + extensions) Recruitment process : 2 stages, including a technical test estimated to take 2-4 hours. Summary: The role focuses on leading the development team to create new solutions and maintain systems within an agile environment, emphasizing the importance of robust applications and strategic direction. Main Responsibilities: Lead the development team in creating and maintaining applications. Adopt wider technology practices and address the speed of new application delivery. Engage in hands-on development while guiding the strategic direction of projects. Collaborate with teams to gather specifications and perform technical analysis. Navigate complex systems and ensure they are built to scale. Manage developer quality and capacity amidst organizational constraints. Key Requirements: Proficient in .NET and C#. Experience with full-stack development, including front-end technologies. Familiarity with document-based databases. Knowledge of event-based messaging frameworks. Experience with cloud services and containerization. Nice to Have: Prior experience in the banking or financial services sector. Familiarity with Angular or other modern front-end frameworks. Experience with MongoDB or similar environments. Other Details: Environment: .NET, C#, Angular, MongoDB, moving towards cloud solutions. Team Structure: Full Stack Developers working closely with Business Analysts.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and building scalable backend and frontend applications, with strong emphasis on Java/Spring-based microservices and React frontend. The position involves API development, cloud-ready architecture, CI/CD practices, and ensuring non-functional requirements such as security and resilience. The developer will collaborate cross-functionally to deliver reliable, high-quality solutions in an Agile environment. 🗂️ Requirements: Experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE and Spring Framework, Experience with Hibernate JPA, Experience building and consuming REST web services, Experience processing XML and JSON data, Experience with RDBMS databases (Oracle, PostgreSQL), Experience with MongoDB, Experience working in Agile/Scrum/Kanban methodologies, Experience with CI/CD pipelines, Experience with Jenkins, Experience with Docker, Experience with Git, Knowledge of Unix, Frontend experience with React.js, Experience with JavaScript and TypeScript, Understanding of code security principles 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and maintaining scalable backend and frontend applications with strong emphasis on Java-based APIs, microservices, and cloud-ready architecture. The position involves building resilient solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires regular office presence in Cracow and offers a competitive hourly rate. 🗂️ Requirements: Hands-on experience with Java and Spring Boot for APIs and Microservices, Experience with Java/J2EE, Spring Framework, Hibernate JPA, Experience with REST web services and XML/JSON processing, Understanding of code security principles, Experience with RDBMS databases (Oracle, PostgreSQL) and MongoDB, Experience with CI/CD pipelines and Jenkins, Experience with Docker, GIT, shell scripting, Unix, Frontend experience with React.js, JavaScript, TypeScript, Experience working in Agile/Scrum/Kanban methodologies, Knowledge of data modelling and architecture design concepts 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, GIT, Unix, Shell, React, JavaScript, TypeScript, CI/CD, Microservices 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing, developing, and maintaining scalable backend and frontend applications with strong emphasis on API and microservices architecture. The position involves building resilient cloud-ready solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires strong Java/Spring expertise, frontend experience with React, and hands-on knowledge of CI/CD and modern DevOps practices. 🗂️ Requirements: Hands-on experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE application development, Experience with Spring Framework and Hibernate JPA, Experience building REST web services and processing XML/JSON, Understanding of code security principles, Experience with RDBMS databases, Experience with Oracle, PostgreSQL, or MongoDB, Experience working in Agile/Scrum/Kanban environments, Experience with CI/CD pipelines, Experience with Jenkins and Docker, Experience with shell scripting and Git, Knowledge of Unix, Frontend experience with React.js, Proficiency in JavaScript and TypeScript 📃 Skills: Java, J2EE, Spring, SpringBoot, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.