Fullstack Engineer, HR systems integration

🏢 Summary: Full-time Full Stack Software Engineer role focused on building AI-powered enterprise platforms using Java and React in a hybrid Warsaw setup. The position involves developing responsive front-end applications and scalable microservices-based back-end systems, integrating cloud services, and maintaining CI/CD pipelines. Long-term employment contract with emphasis on high-performance, secure, and maintainable solutions. 🗂️ Requirements: 5+ years experience as Full Stack Developer with Java and React.js, Strong proficiency in React.js and Redux, Strong knowledge of TypeScript, HTML5, CSS3, ES6+, Experience with state management and component-based architecture, Experience with UI libraries (Material-UI, Bootstrap, or Tailwind), Strong expertise in Java, Spring Boot, Hibernate, JPA, Experience building RESTful APIs and microservices, Knowledge of OAuth2, JWT, and session-based authentication, Experience with PostgreSQL or MySQL, Experience with MongoDB or Redis, Hands-on experience with CI/CD tools, Experience with AWS, Azure, or GCP, Experience with Docker and Kubernetes, Bachelor’s or Master’s degree in Computer Science or related field, Experience working in Agile environments 📃 Skills: Java, React, Redux, TypeScript, HTML5, CSS3, JavaScript, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, Jenkins, GitHub, GitLab, AWS, Azure, GCP, Docker, Kubernetes 🏢 Description: 💰 Salary: 21,000-22,000 PLN/month 🌎 Hybrid from Warsaw, Poland 🕦 Full-time position, long-term ☑️ Contract of Employment We are looking for a Software Engineer to join our client, a technology company that builds AI-powered platforms and consulting solutions for enterprise operations, with a strong focus on the private capital sector. The company has over ten years of experience working with high-growth and PE-backed businesses, combining deep domain expertise with advanced technology to drive measurable results. Requirements: 5+ years of professional experience as a Full Stack Developer working with Java and React.js. Strong proficiency in React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript (ES6+). In-depth understanding of state management solutions and component-based design principles. Experience working with UI libraries/frameworks such as Material-UI, Bootstrap, or Tailwind CSS. Solid expertise in Java, Spring Boot, Hibernate, JPA, and building RESTful APIs. Experience designing and working with microservices architecture and API Gateway patterns. Knowledge of authentication and authorization approaches, including OAuth2, JWT, and session-based methods. Experience with relational databases (PostgreSQL, MySQL) as well as NoSQL solutions (MongoDB, Redis). Hands-on experience using CI/CD tools like Jenkins, GitHub Actions, or GitLab CI/CD. Familiarity with cloud platforms such as AWS, Azure, or GCP, along with containerization tools like Docker and Kubernetes. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related discipline. Experience operating within Agile development environments. Strong analytical thinking and problem-solving abilities. Key Responsibilities: Build and develop dynamic, responsive, and high-performing user interface components using React.js, Redux, and modern JavaScript (ES6+). Ensure applications function consistently across different browsers while delivering a smooth user experience. Enhance front-end performance and apply best practices in UI/UX design. Design, develop, and maintain RESTful APIs and microservices using Java technologies such as Spring Boot, Hibernate, and JPA. Implement secure authentication, authorization, and effective data management solutions. Work with both relational and NoSQL databases, including PostgreSQL, MySQL, and MongoDB. Integrate external services, APIs, and cloud-based platforms into applications. Oversee deployment processes using CI/CD pipelines and containerization technologies like Docker and Kubernetes. Produce clean, efficient, and maintainable code in line with established best practices. Develop and maintain unit and integration tests for both front-end and back-end systems. Collaborate closely with UI/UX designers, product managers, and DevOps specialists. Take part in Agile/Scrum processes and support ongoing improvements to development workflows.

🏢 Summary: Mid-level Full-Stack Developer role focused on building and modernizing a cloud-based practice management and CRM platform. The position involves a 60/40 split between Angular frontend and Node.js/Nest.js backend, contributing to migration from monolith to microservices and upgrading to the latest Angular version. Fully remote (Poland-based) with strong impact on architecture and product quality. 🗂️ Requirements: 2–3 years of commercial experience in full-stack web development, Commercial experience or strong willingness to work with Angular, Experience with Node.js backend development, Practical knowledge of Nest.js, Basic knowledge of SQL, Experience or willingness to implement automated E2E tests, Polish residency, Working proficiency in Polish, Notice period of 1 month or less 📃 Skills: Angular, Node.js, Nest.js, SQL, Playwright, Microservices, Cloud, ORM, E2E 🏢 Description: Position: Full-Stack Developer Location: Remote (Poland-based) Salary: 14500 – 19500 PLN / month Our client is an innovative software company delivering a modern, cloud-based practice management and CRM solution dedicated to professional services. The platform streamlines day-to-day operations, including workload management and automated document generation. The development team is highly autonomous, focused on refactoring their core product from a monolith into scalable microservices, migrating to the newest technology stacks, and fostering an environment with strong developer ownership. We are looking for a mid-level Full-Stack Developer (approx. 2–3 years of commercial experience) to join a tight-knit Polish development team. In this role, you will work on both frontend and backend tasks (approx. 60% Front-End and 40% Back-End workload), having a real impact on technology choices and product quality. Requirements: Around 2–3 years of commercial experience in full-stack web development. Professional experience or strong openness to working with Angular (the project is currently on Angular 6 and undergoing a migration to the latest stable version). Solid knowledge of backend development using Node.js, preferably with Nest.js (used for all new microservices). Basic understanding of SQL (complex queries are supported by in-house ORM and AI tools, backed by thorough code reviews). Familiarity with or interest in testing practices (manual testing with beta users and expanding automated E2E tests using Playwright ). Polish residency and working proficiency in Polish (mandatory for active participation in daily sync meetings). Notice period of 1 month or less . Mindset focused on autonomy, taking ownership of tasks, and willingness to challenge the status quo. Responsibilities: Developing new features and maintaining the cloud-based platform (60% FE / 40% BE split). Actively participating in architecture modernization (refactoring the monolith into microservices and migrating the legacy frontend to the latest Angular version). Writing clean, maintainable code and participating in peer code reviews. Ensuring software quality through self-testing and implementing automated E2E test scenarios with Playwright. Onboarding smoothly into the codebase (handling smaller bug fixes and minor features in Month 1, progressing to designing and delivering a major complex feature by Month 3). Attending daily team synchronization meetings (at 10:00 AM Polish time). Offer: Salary: 14500 – 19500 PLN / month (depending on experience). Contract type: Long-term B2B Contract (open to both permanent-like cooperation and 12-month fixed contracts). Working model: 100% Fully Remote work. Flexible working hours (with core presence during the 10:00 AM daily sync). Hardware: Company-provided laptop and necessary equipment. No on-call duties or weekend shifts. Great culture: High levels of engineering autonomy, flat structure, and direct impact on the final product. Fast recruitment process: 3 stages (1h Live Coding data processing task $\rightarrow$ ~3h Homework assignment $\rightarrow$ 1h final CTO interview) with rapid feedback provided within 1–2 business days after each stage.

🏢 Summary: Senior Software Engineer role focused on designing, developing, and integrating advanced Shopify (primarily Shopify Plus) solutions within enterprise environments. The position involves building custom applications, headless architectures, and complex integrations with core business systems. Hybrid full-time role in Warsaw with B2B or CoE contract options. 🗂️ Requirements: 5+ years of experience in e-commerce architecture or technical consulting, Minimum 3 years of hands-on experience with Shopify ecosystem, Strong experience with Shopify Plus, including admin and app ecosystem, Experience building custom Shopify applications, Experience with Shopify Functions and Checkout UI extensions, Experience with headless Shopify architectures, Hands-on experience with Microsoft Entity Framework, Experience working with Shopify REST and GraphQL APIs, Strong knowledge of HTML, CSS, JavaScript, TypeScript, Experience integrating Shopify with ERP, OMS, PIM or similar enterprise systems 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, EntityFramework, REST, GraphQL, HTML, CSS, JavaScript, TypeScript, SCSS, ShopifyFunctions, CheckoutUI, Node.js, Ruby 🏢 Description: 💰 Salary: 21,500-28,700 PLN/Month 💻 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote) 🕦 Full-time ☑️ B2B or CoE We’re looking for a Senior Software Engineer to join a fast-growing international tech company focused on building modern, data-driven platforms that power digital transformation in the financial and enterprise sectors. Requirements: 5+ years of experience in e-commerce architecture, technical consulting, or a comparable senior level role, with a minimum of 3 years focused on the Shopify ecosystem. Strong hands-on experience with the Shopify platform, particularly Shopify Plus, including admin capabilities, Liquid templating, and the broader app ecosystem. Proven experience building custom Shopify applications, including advanced customizations using Shopify Functions and Checkout UI extensions. Solid understanding of headless Shopify architectures, with experience in Hydrogen and Oxygen implementations. Hands-on experience working with Microsoft Entity Framework. experience working with Shopify APIs, including REST and GraphQL, along with strong knowledge of modern web technologies such as HTML, CSS, JavaScript and TypeScript. Demonstrated ability to design and deliver integrations with enterprise systems such as ERP, OMS, and PIM. Nice to have: Previous experience leading or contributing to re platforming projects from legacy systems. Familiarity with backend technologies such as Node.js and Ruby. Shopify certifications or other relevant e-commerce platform certifications. Key Responsibilities: Design and document end to end technical architectures for both new and existing Shopify (primarily Shopify Plus) stores, covering storefront implementation (headless or theme based), backend services, integration strategy, and security. Develop, customize, and maintain high quality Shopify themes using HTML5, Liquid, CSS3/SCSS, along with JavaScript and TypeScript. Implement and design complex integrations between Shopify and core enterprise platforms such as CRM, CDP, WMS, PIM, OMS, and ERP, utilizing GraphQL and REST APIs. Develop and manage custom Shopify applications, delivering advanced capabilities through Shopify Functions and Checkout Extensibility to support specific client requirements. Collaborate closely with the Sales team to support technical evaluations, define solution scope, estimate effort, and deliver clear, compelling technical presentations to clients. Provide technical guidance to stakeholders and engineering teams, advising on Shopify solutions, architecture decisions, and industry best practices.

🏢 Summary: Full Stack Developer (Ruby on Rails) role in an R&D team building a scalable SaaS platform for laboratory data management and AI-powered research tools. The position focuses on developing and maintaining full-stack features with strong emphasis on performance, scalability, and code quality. You will work on multi-tenant and on-premise deployments in a collaborative, agile environment. 🗂️ Requirements: 3+ years frontend development experience in large-scale web applications, Strong proficiency in React, Strong proficiency in JavaScript, Strong proficiency in HTML, Strong proficiency in CSS, Practical experience with Ruby on Rails and ability to work with existing codebases, Degree in Computer Science or equivalent experience 📃 Skills: React, JavaScript, HTML, CSS, Ruby, Rails, TDD, APIs, SaaS, AWS, Docker, MySQL, ElasticSearch, Redux, Lit, CICD, AI 🏢 Description: 📍 Location: Wrocław, Poland (Hybrid) 📅 Employment Type: Full-time, B2B (up to 18.000PLN net monthly)/CoE (up to 14.000PLN gross monthly) 🏢 We are hiring for our client (life sciences / SaaS R&D domain) About the Project We are currently looking for an experienced Full Stack Developer (Ruby on Rails) on behalf of our client — an innovative company operating in the life sciences sector. You will join an R&D team working on a cutting-edge platform used by scientists and research organizations worldwide. The platform focuses on laboratory data management, workflow automation, and AI-powered tools that support research and production processes. Responsibilities Design and implement new features across the full stack Develop and maintain platform APIs with a strong focus on scalability, reliability, and performance Write clean, well-tested, and maintainable code following TDD and iterative practices Collaborate closely with product and business teams to translate requirements into technical solutions Contribute to building scalable solutions deployed as: multi-tenant SaaS single-tenant SaaS on-premise systems Ensure application security, performance optimization, and system scalability Leverage AI-assisted tools to accelerate development, testing, and code quality Actively contribute to team collaboration and a positive engineering culture Requirements ✅ Must-have At least 3 years of frontend development experience in large-scale web applications Strong proficiency with: React JavaScript HTML / CSS Practical familiarity with Ruby on Rails (ability to read and contribute to existing codebases) Degree in Computer Science or equivalent experience ✅ Nice to have Experience with: Redux Toolkit / Lit AWS / CI/CD pipelines Docker MySQL ElasticSearch Experience using AI tools in development (e.g., coding assistants, automated testing, code review) Exposure to integrating AI workflows into the SDLC Candidate Profile Strong team player with excellent communication skills (technical and non-technical) Comfortable working in a fast-paced, agile environment Opinionated about code quality and technology usage, while remaining pragmatic Passionate about building meaningful products Open to adopting AI tools as part of daily development workflows Hays Poland sp. z o.o. jest agencją zatrudnienia zarejestrowaną w rejestrze prowadzonym przez Marszałka Województwa Mazowieckiego pod numerem 361.

🏢 Summary: Full Stack Developer (Ruby on Rails) role in an R&D team building a scalable laboratory data management and AI-powered SaaS platform for the life sciences sector. The position involves developing and maintaining full-stack features, APIs, and scalable deployments across multi-tenant, single-tenant, and on-premise environments. The focus is on high-quality, secure, and performant web applications developed using TDD and modern engineering practices. 🗂️ Requirements: Minimum 3 years frontend development experience in large-scale web applications, Strong proficiency in React, Strong proficiency in JavaScript, Strong proficiency in HTML, Strong proficiency in CSS, Practical experience with Ruby on Rails, Ability to develop and maintain APIs, Experience writing tested and maintainable code (TDD), Degree in Computer Science or equivalent experience 📃 Skills: React, JavaScript, HTML, CSS, Ruby, Rails, API, TDD, SaaS, AWS, Docker, MySQL, ElasticSearch, CI/CD, Redux, Lit 🏢 Description: 📍 Location: Wrocław, Poland (Hybrid) 📅 Employment Type: Full-time, B2B (up to 18.000PLN net monthly)/CoE (up to 14.000PLN gross monthly) 🏢 We are hiring for our client (life sciences / SaaS R&D domain) About the Project We are currently looking for an experienced Full Stack Developer (Ruby on Rails) on behalf of our client — an innovative company operating in the life sciences sector. You will join an R&D team working on a cutting-edge platform used by scientists and research organizations worldwide. The platform focuses on laboratory data management, workflow automation, and AI-powered tools that support research and production processes. Responsibilities Design and implement new features across the full stack Develop and maintain platform APIs with a strong focus on scalability, reliability, and performance Write clean, well-tested, and maintainable code following TDD and iterative practices Collaborate closely with product and business teams to translate requirements into technical solutions Contribute to building scalable solutions deployed as: multi-tenant SaaS single-tenant SaaS on-premise systems Ensure application security, performance optimization, and system scalability Leverage AI-assisted tools to accelerate development, testing, and code quality Actively contribute to team collaboration and a positive engineering culture Requirements ✅ Must-have At least 3 years of frontend development experience in large-scale web applications Strong proficiency with: React JavaScript HTML / CSS Practical familiarity with Ruby on Rails (ability to read and contribute to existing codebases) Degree in Computer Science or equivalent experience ✅ Nice to have Experience with: Redux Toolkit / Lit AWS / CI/CD pipelines Docker MySQL ElasticSearch Experience using AI tools in development (e.g., coding assistants, automated testing, code review) Exposure to integrating AI workflows into the SDLC Candidate Profile Strong team player with excellent communication skills (technical and non-technical) Comfortable working in a fast-paced, agile environment Opinionated about code quality and technology usage, while remaining pragmatic Passionate about building meaningful products Open to adopting AI tools as part of daily development workflows Hays Poland sp. z o.o. jest agencją zatrudnienia zarejestrowaną w rejestrze prowadzonym przez Marszałka Województwa Mazowieckiego pod numerem 361.

🏢 Summary: Full Stack Developer role responsible for end-to-end architecture and development of a global application automating data collection, compliance reporting, and asset optimization. The position covers frontend (Angular) and backend (Python/FastAPI) development, AI integration, data engineering, and Kubernetes-based DevOps. It involves owning the full product lifecycle in an international, greenfield environment. 🗂️ Requirements: 5+ years of professional software development experience, Expertise in Python and FastAPI, Advanced Angular with TypeScript and RxJS, Strong experience with RESTful microservices, Proficiency in PostgreSQL design and optimization, Hands-on experience with ETL/ELT processes, Experience with Kubernetes and Docker, Experience with CI/CD pipelines (Jenkins or BitBucket), Experience working in SCRUM or Kanban, Bachelor’s degree in Computer Science or related field, Fluent English (B2/C1) 📃 Skills: Python, FastAPI, Angular, TypeScript, RxJS, REST, PostgreSQL, ETL, ELT, Kubernetes, Docker, Jenkins, BitBucket, S3, Linux, SCRUM, Kanban, LLM, AI 🏢 Description: Role Summary We are seeking an experienced Full Stack Developer to join an IT Hub in Poland. You will own the full product lifecycle of a global application designed to automate data collection, compliance reporting, and asset optimization across EMEA, APAC, and Americas. Key Responsibilities Architecture & Development: Design end-to-end modular architecture and develop both Frontend (Angular) and Backend (Python/FastAPI) components. Innovation: Integrate AI tools (LLMs, Code Assistants) to enhance development and automate complex data workflows. DevOps: Manage deployment and scalability on Kubernetes clusters using CI/CD pipelines. Data Management: Handle complex data consolidation, ETL processes, and PostgreSQL optimization. Technical Requirements Backend: Expert Python (FastAPI, RESTful microservices, automation scripts). Frontend: Advanced Angular (TypeScript, RxJS, complex forms/UI). Data: Mastery of PostgreSQL (design & optimization) and ETL/ELT processes. Infrastructure: Kubernetes, Docker, CI/CD (Jenkins/BitBucket), S3 Buckets, and Linux. Methodology: Strong experience in SCRUM/Kanban environments. Qualifications Experience: 5+ years of professional software development. Education: Bachelor’s degree in Computer Science or a related field. Languages: Fluent English (B2/C1) . Soft Skills: Analytical mindset, ability to work autonomously, and strong negotiation skills. What We Offer Opportunity to work on a greenfield project within a prestigious global financial group. Exposure to cutting-edge technologies and international stakeholders. A multicultural, professional environment focused on innovation and agility.

🏢 Summary: Remote Full-Stack Software Engineer role focused on designing, building, and maintaining scalable web applications using modern backend and frontend technologies. The position involves end-to-end feature ownership, customer collaboration, and development of secure, high-performance systems. The engineer will work with Python, FastAPI, React, and cloud-native tools in a distributed team. 🗂️ Requirements: Approximately 5 years of professional software development experience, Strong backend development experience with Python and FastAPI, Experience with NGINX, Strong frontend development skills with React and TypeScript, Experience with Vite, Experience with MSSQL, Experience with SQLAlchemy, Hands-on experience with Docker, Hands-on experience with Kubernetes, Experience designing and consuming REST APIs, Experience with relational databases, Ability to design secure, scalable systems, Fluent English communication skills, EU citizenship, Residence in Poland 📃 Skills: Python, FastAPI, NGINX, React, TypeScript, Vite, MSSQL, SQLAlchemy, Docker, Kubernetes, REST, SQL, CI/CD, Cloud 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking a highly experienced Full-Stack Software Engineer to join a remote development team. The role focuses on designing, building, and maintaining scalable web applications using modern backend and frontend technologies. The ideal candidate is autonomous, proactive, and comfortable working directly with customers to translate business needs into robust technical solutions. Project information: Type of project: IT Services Office location: Poland Work mode: Remote Budget: 140-160 PLN net /h - b2b Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate availability) Project scope: Design, develop, and maintain backend services and REST APIs using Python and FastAPI Build modern, responsive frontend applications using React, TypeScript, and Vite Own features end-to-end, from backend logic to frontend user interfaces Collaborate directly with customers and stakeholders to gather requirements and provide technical guidance Design and optimize database schemas and queries using MSSQL and SQLAlchemy Deploy, operate, and maintain applications using Docker and Kubernetes Ensure best practices in security, performance, scalability, and maintainability Participate in architecture discussions and contribute to technical decision-making Troubleshoot production issues and provide reliable operational support Work closely with product, design, and engineering teams to deliver high-quality solutions on time Requirements: Approximately 5 years of professional software development experience Strong autonomy and ability to manage tasks with minimal supervision Proven experience in customer-facing or stakeholder-facing roles Solid backend development experience with Python, FastAPI, and NGINX Strong frontend development skills with React, TypeScript, and Vite Experience working with relational databases, particularly MSSQL, and ORM tools like SQL Alchemy Hands-on experience with containerization and orchestration tools such as Docker and Kubernetes Understanding of secure, scalable, and maintainable system design Experience in cloud environments (optional) Knowledge of CI/CD pipelines and DevOps best practices (optional) Experience working in agile or product-driven teams (optional) Strong verbal and written communication skills in English Self-driven, accountable, and results-oriented Comfortable working directly with customers and taking ownership of delivered solutions Team-oriented mindset with a proactive approach to problem-solving We offer: Remote working model Full-time job agreement based on b2b contract Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance

🏢 Summary: B2B contract role for a Full-Stack Software Engineer to develop and maintain backend services in C#/.NET and frontend components in React within a dynamic, international project environment. The position involves building scalable solutions, integrating REST APIs, and supporting implementations with effective problem-solving. Remote work with long-term project engagement. 🗂️ Requirements: Proficiency in C# and .NET for scalable services development, Experience with React.js and React Query, Experience with Azure SQL and MS SQL, Experience building RESTful APIs with ASP.NET Core (OpenAPI), Knowledge of CI/CD processes and Agile methodologies, Experience with Azure DevOps or GitHub, English at minimum B2 level 📃 Skills: C#, .NET, React, ReactQuery, AzureSQL, MSSQL, REST, ASP.NET, OpenAPI, CI/CD, AzureDevOps, GitHub, Azure 🏢 Description: We are currently looking for a Full-Stack Software Engineer for our client, a world-leading provider of digital solutions and applications, with a particular focus on the energy, maritime, and healthcare markets. If working in a dynamic environment is something you’re comfortable with and you use the tech stack listed below on a daily basis, this opportunity is for you! Key responsibilities Developing advanced backend solutions in C# Creating and maintaining frontend components Preparing technical documentation Supporting implementations through quick and effective problem-solving Balancing changing priorities with ongoing development work Ideal candidate profile Proficient in .NET for building scalable services React.js, React Query Azure SQL, MS SQL RESTful APIs with ASP.NET Core (OpenAPI Standard) Knowledge of Agile methodologies and CI/CD processes (Azure DevOps, GitHub) English on B2 level nice to have: Experience with Azure (App Services, Azure Functions, Key Vault, Storage Accounts, Entra ID) Experience using AI-based development tools (Microsoft Copilot, GitHub Copilot) Conditions Employment Type: B2B contract Salary: Depends on your experience Work Model : Remote work model (possible 2–4 business trips per year to the office in Poland or Norway) Benefits : private medical care, sport card, life insurance Project duration: Project start March/April, with a duration of at least until the end of the year Recruitment steps Phone call with Recruiter Client interview Feedback and decision

🏢 Summary: B2B Fullstack Engineer role focused on building automation and integration solutions within a cybersecurity engineering team, combining backend Python development with modern frontend work. The position involves designing end-to-end solutions across web applications and infrastructure, contributing to DevOps practices, and working in an agile environment. Hybrid model in Cracow with strong emphasis on APIs, security, and CI/CD processes. 🗂️ Requirements: Strong experience with Python, Experience in full stack development (frontend and backend), Knowledge of HTML, Knowledge of CSS, Knowledge of JavaScript, Understanding of REST APIs, Understanding of JSON, Understanding of SOAP, Knowledge of OpenAPI or Swagger, Knowledge of microservices architecture, Understanding of authentication and authorization mechanisms, Experience with PostgreSQL, MSSQL, or MongoDB, Experience with CI/CD pipelines, Knowledge of DevOps practices, Working knowledge of Linux or Windows environments 📃 Skills: Python, HTML, CSS, JavaScript, REST, JSON, SOAP, OpenAPI, Swagger, PostgreSQL, MSSQL, MongoDB, CI/CD, Linux, Windows, Microservices, Authentication, Authorization, Figma, JIRA, Scrum, Lean 🏢 Description: Fullstack Engineer (Python/ API/ Security) Location: Cracow (hybrid model: 6 days per month from the office) Contract B2B( hourly rate—no additional days off) We’re looking for a Full Stack Engineer with a passion for automation, integration, and modern UI development to join a growing cybersecurity engineering team. This role sits at the intersection of software engineering and security, giving you the chance to work on impactful solutions while expanding your expertise in cybersecurity. You’ll be part of a cross-functional team focused on building and improving automation and integration solutions—working on everything from product integrations and data flows to user-facing interfaces. While prior cybersecurity experience is a plus, what matters most is your curiosity and willingness to learn. What you’ll do Design and build end-to-end automation solutions across web applications and infrastructure (on-prem and container-based). Collaborate with engineers, product experts, and stakeholders to identify improvements and deliver high-quality solutions. Contribute to continuous improvement by removing bottlenecks and optimizing processes. Work in an agile environment using modern delivery practices and tools (e.g., Scrum, Lean, JIRA). Troubleshoot and resolve issues across development, testing, and production environments. Support and mentor team members while promoting engineering best practices. Help shape DevOps pipelines, CI/CD processes, and production support standards. What we’re looking for Strong experience with Python (scripting and/or web development). Solid background in full stack development (frontend + backend). Familiarity with modern frontend tools and technologies (HTML, CSS, JavaScript, UI/UX basics, wireframing tools like Figma). Understanding of APIs and integration standards (REST, JSON, SOAP, OpenAPI/Swagger). Knowledge of microservices architecture and secure service design (authentication/authorization). Experience with databases such as PostgreSQL, MSSQL, or MongoDB. Exposure to CI/CD pipelines, DevOps practices, and agile methodologies. Working knowledge of Linux/Unix or Windows environments. Awareness of cybersecurity domains (data, network, endpoint security) is a plus. Nice to have Experience in roles such as Systems Engineer, Application Developer, or Application Support. Background in infrastructure automation or platform engineering. Interest in cybersecurity and secure software development.

🏢 Summary: Full-stack Java developer role in the financial sector focused on building scalable microservices and modern frontend applications in an Agile environment. The position involves backend and frontend development using Java, Angular, cloud-native technologies, and distributed systems integrations. Hybrid work model with a long-term international project and competitive B2B rate. 🗂️ Requirements: 5+ years of commercial Java development experience, 2+ years of Angular experience, Knowledge of Spring Framework, Experience with microservices architecture, Experience with Docker, Experience with Kubernetes, Experience with Kafka and distributed systems, Knowledge of REST APIs, Knowledge of SQL, Experience with Oracle databases, Experience with Git, Understanding of Clean Code principles, Understanding of Continuous Integration, Experience integrating REST and SOAP services, Knowledge of XML, Knowledge of JSON, Knowledge of Avro, English level B2 or higher 📃 Skills: Java, Angular, React, Spring, Docker, Kubernetes, Kafka, REST, SQL, Oracle, Git, SOAP, XML, JSON, Avro, Jenkins, ArgoCD 🏢 Description: Senior Java Full-stack Developer 📍 Location: Warsaw, Gdańsk or Gdynia 🏢 Work model: Hybrid (3 days per week in the office) 📅 Project duration: August 2026 – January 2027 💰 B2B rate: up to 157 PLN/h ⏰ Full-time (40h/week) About the project Join an international financial institution and become part of a team responsible for building modern, scalable solutions supporting one of the company's key business domains. You will work in an Agile environment, developing cloud-ready microservices and integrating modern applications with existing enterprise platforms. This role combines backend and frontend development while giving you the opportunity to work with modern technologies, distributed systems, and high-performance applications. Your responsibilities Design, develop and maintain full-stack applications. Build and enhance Java-based microservices. Develop modern frontend solutions using Angular. Integrate applications using REST APIs, Kafka, MQ and Oracle databases. Participate in migration and transformation of existing systems. Ensure application quality, scalability and performance. Collaborate with architects, analysts, QA engineers and business stakeholders. Contribute to code reviews and technical improvements. We are looking for someone who has Minimum 5 years of commercial experience with Java development. At least 2 years of experience with Angular (React is also valued). Strong knowledge of Spring Framework . Experience building microservices architectures . Practical experience with Docker and Kubernetes . Experience working with Kafka and distributed systems. Knowledge of REST APIs , SQL and Oracle databases. Experience with Git . Understanding of Clean Code , Continuous Integration and software engineering best practices. Experience integrating REST and SOAP services. Good understanding of XML, JSON and Avro . Good command of English (B2 or higher) . Nice to have Jenkins Argo CD Event Sourcing Schema Registry DevOps practices What we offer Competitive B2B rate of up to 157 PLN/hour . Long-term international project. Opportunity to work with modern cloud-native technologies. Challenging projects within the financial sector. Professional, collaborative and Agile environment. Work with experienced engineers on large-scale enterprise solutions.