Senior Drupal Developer

🏢 Summary: 100% remote B2B role focused on designing and implementing GenAI solutions using Google Vertex AI, integrated with a Drupal-based high-traffic platform. The position centers on building RAG, AI Search, and agent-based architectures, along with scalable data pipelines and Python backend services. It is a long-term, production-oriented project emphasizing architectural quality, reliability, and observability. 🗂️ Requirements: Strong Python experience in AI projects (RAG, Agentic AI, or Search AI), Senior-level experience with Google Vertex AI (Vertex AI Search, Vertex RAG) or equivalent LLM platforms, Commercial experience with PHP, Experience with Drupal architecture and custom module development, Experience designing and maintaining data pipelines, Experience with API-based integrations, Hands-on experience with AI agent architectures and multi-agent orchestration, Experience with observability and monitoring for AI systems, Working knowledge of Kubernetes, Ability to design production-grade, scalable AI systems 📃 Skills: Python, VertexAI, RAG, LLM, Drupal, PHP, Kubernetes, REST, LangFuse, ADK, A2A, Git, CICD, HTML5, CSS3, JavaScript 🏢 Description: Salary: 1000 - 1400 PLN/day net+vat on B2B Work model: 100% remote Why choose this offer? Work on a high-traffic content and marketing platform used by millions of users Real impact on user-facing campaigns, landing pages, and editorial content Modern development environment with scalable architecture Project The project focuses on designing, implementing, and maintaining advanced GenAI solutions built around Google Vertex AI, with a strong emphasis on Vertex AI Search and Vertex RAG. The core goal is to integrate these capabilities into an existing Drupal-based platform, enabling intelligent search, retrieval-augmented generation, and AI-driven workflows powered by structured and unstructured data. The role is heavily centered on Vertex AI architecture, integrations, and data pipelines, with Drupal acting primarily as a consumer of AI-driven data and services. The project also includes building and orchestrating AI agents, implementing observability for AI systems, and developing robust backend services in Python. The overall setup is production-oriented, long-term, and focused on scalability, reliability, and architectural quality. Expected competences and knowledge Strong Python & AI experience (top priority): We are looking for someone with very solid Python skills and proven project-based experience in one or more of the following areas: RAG (Retrieval-Augmented Generation), Agentic AI, or Search AI. Google Vertex AI: Senior-level experience with Vertex AI, particularly Vertex AI Search and Vertex RAG, is highly preferred — or equivalent hands-on experience with other LLM/AI platforms. PHP (commercial experience): Commercial knowledge of PHP is required; it does not need to be current — experience from several years ago is acceptable. Kubernetes: Working-level familiarity sufficient to navigate and support a Kubernetes-based infrastructure (not an expert/DevOps role, but the ability to operate confidently within the environment). Proven track record in designing and maintaining data pipelines and API-based integrations Hands-on experience with AI agent architectures, including ADK (Google), A2A protocol, and multi-agent orchestration patterns Experience with observability and monitoring for AI systems, including tools such as LangFuse Solid experience with Drupal, including architecture understanding, custom module development, and ongoing maintenance Ability to work independently on complex architectures and make high-impact technical decisions Strong understanding of production-grade system design and AI integration best practices Responsibilities Design, implement, and evolve solutions based on Vertex AI Search and Vertex RAG Build and maintain API integrations between Vertex AI services and Drupal Develop and operate data pipelines feeding search and RAG systems Create and maintain Python-based backend services and internal tooling Maintain and extend existing Drupal architecture , focusing on integrations and stability Implement and orchestrate AI agents , including multi-agent collaboration patterns Ensure observability, monitoring, and reliability of GenAI components using tools like LangFuse Contribute to architectural decisions and guide best practices for AI-driven systems Technologies you'll work with Drupal PHP Python HTML5, CSS3, JavaScript REST APIs Kubernetes Git CI/CD tools and modern development workflows Client – why choose this particular client from the Jit portfolio? Our Client dominates the Polish e-commerce arena as the market leader since 1999 . With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies. Jit Team has had a successful partnership with our Client since spring 2021 , with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services. Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale , where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: B2B role for an experienced .NET Developer to build and modernize a marketing platform that aggregates customer data and supports targeted campaigns, contests, and promotional activities. The position involves maintaining legacy on-premise systems and contributing to frontend improvements while ensuring performance and scalability. Hybrid work model with one day per week in the office. 🗂️ Requirements: Strong experience with .NET Framework 4.8, Good knowledge of .NET Core, Experience with legacy systems, Experience with on-premise applications, Solid knowledge of HTML, Solid knowledge of CSS, Solid knowledge of Bootstrap, Ability to work independently, Experience with .NET MVC 📃 Skills: .NET, C#, ASP.NET, MVC, .NET, Bootstrap, HTML, CSS, React 🏢 Description: Salary: 500 - 900 PLN/day on B2B Work model: hybrid from Gdańsk / Warsaw / Rzeszów / Kraków (1 day per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis The Jit community will bring you a nice time during regular integration meetings Project The project focuses on the development of a marketing platform that aggregates customer data from multiple brands and uses it to design and execute targeted campaigns. The system enables the creation and management of promotional activities such as contests, lotteries, and customer engagement campaigns. Additionally, the project includes smaller initiatives related to hosting and managing clients’ websites, providing a comprehensive approach to supporting their online presence. Responsibilities you'll have Develop and maintain a marketing platform built on .NET Framework 4.8 and .NET Core Work with and gradually improve legacy systems , including on-premise applicationsImplement and enhance features related to marketing campaigns, contests, and user engagement Collaborate on smaller projects involving website hosting and client site management Contribute to frontend improvements using HTML, CSS, and Bootstrap Take ownership of tasks and deliver solutions independently Identify opportunities for system improvements and modernization Ensure stability, performance, and scalability of the platform Expected competences and knowledge Strong experience with .NET Framework 4.8 (must-have) Good knowledge of .NET Core Experience working with legacy systems and on-premise applications Solid understanding of HTML, CSS, and Bootstrap Ability to work independently and proactively manage tasks Problem-solving mindset and willingness to take on technical challenges Nice to have: Experience with .NET-based CMS Basic or practical knowledge of React Technologies you'll work with .NET MVC/.NET Core Bootstrap React Client – why choose this particular client from the Jit portfolio? DOPE Studio is an independent digital agency that combines the capabilities of a creative agency, a strategic consultancy, and a technology provider. The company focuses on delivering data-driven, optimized, and high-performing digital experiences, helping clients solve complex marketing and business challenges. The agency specializes in areas such as digital marketing strategy, web and e-commerce development, content production, SEO, marketing automation, and customer loyalty solutions. It leverages data, technology, and creativity to design engaging campaigns, personalized user experiences, and innovative digital products. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: B2B contract role for a Platform/Automation Engineer to build and enhance a Developer Experience Portal based on Backstage.io within a Zero Trust environment. The position focuses on improving developer productivity through self-service automation, platform APIs, and UX/UI-driven solutions using Node.js and React. Hybrid work model with strong emphasis on modern platform engineering practices. 🗂️ Requirements: Strong Node.js programming skills, Advanced knowledge of React, Experience with Backstage.io and plugin development, Experience in UX/UI design, Experience with YAML-based configuration, Experience with Infrastructure as Code, Ability to develop and integrate Platform APIs 📃 Skills: Node.js, React, Backstage, YAML, IaC, APIs, UX/UI 🏢 Description: Salary: 1000-1300 PLN/day on B2B Work model: elastic hybrid from Warszawa (3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on building and enhancing a Developer Experience Portal based on Backstage.io within a Zero Trust security environment. The role is part of the Automation / Platform Engineering area, aiming to improve developer productivity, self-service capabilities, and secure platform access. Responsibilities you'll have Development of the Developer Experience Portal (Backstage.io) using Node.js and React Designing UX/UI solutions for both personal implementations and broader developer usage Building and maintaining self-service automation workflows and templates Developing and integrating Platform APIs Contributing to platform engineering and tech stack evolution Collaborating with Zero Trust and Developer Experience teams Expected competences and knowledge Strong Node.js programming skills Advanced knowledge of React Experience with Backstage.io , including plugin development UX/UI design experience with strong aesthetic sense Experience with YAML -based configuration (Infrastructure as Code) Nice to have Experience with CI/CD pipelines and automation Knowledge of Docker and Kubernetes Experience with network segmentation automation, including: Physical firewalling (Check Point, Ansible), Virtual firewalling (NSX DFW, Terraform), Google Cloud firewalling Technologies you'll work with Node.js React Backstage.io YAML / IaC CI/CD tools Docker Kubernetes Ansible Terraform NSX DFW Google Cloud Platform (GCP) Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: B2B role for an experienced Java Developer to design and develop high-availability, horizontally scalable microservices supporting an advertising and billing platform. The position involves working on production systems with real impact on architecture, distributed communication, and system performance. Collaboration with cross-functional teams and Polish-speaking stakeholders is required. 🗂️ Requirements: Minimum 4 years commercial experience as Java Developer, Hands-on experience in production environments, Higher education in relevant field (completed or in progress), Professional proficiency in Polish (spoken and written), Strong knowledge of Java 11+, Practical experience with Spring Boot, Experience with microservices architecture in production, Experience with Kafka or RabbitMQ, Understanding of distributed systems, Advanced knowledge of SQL without ORM usage, Experience with monitoring, logging and metrics, Understanding of asynchronous communication, Familiarity with reactive programming 📃 Skills: Java, Spring, SpringBoot, SQL, NoSQL, Kafka, RabbitMQ, WebFlux, Reactor, Microservices, Kotlin, Hibernate, JPA, Monitoring, Logging 🏢 Description: Salary: 750 - 1000 PLN/MD on B2B Work model: elastic hybrid from Gdynia/Warszawa/Rzeszów/Kraków Why choose this offer? Real impact on system architecture Opportunity to design solutions with high availability and horizontal scalability Collaboration within a mature, cross-functional team Direct communication with Product Owners and non-technical stakeholders Project The team is directly involved in managing advertising campaigns. This enables sellers and advertising agencies to create ads, which are then delivered for airing on the company's portal (e.g., sponsored listings, homepage) and on other platforms such as Google. Additionally, the team is responsible for budgeting and advertising billing. They collaborate closely with teams handling the airing of various types of ads, frontend development, and offers visible on the portal. The project is conducted primarily in Polish, therefore professional working proficiency in Polish (spoken and written) is required. Expected competences and knowledge Minimum 4 years of commercial experience as a Java Developer, with mandatory hands-on experience in production environments Required higher education in a relevant field (or currently in progress) Fluent or professional working proficiency in Polish (spoken and written) Good knowledge of Java 11+ (Kotlin is a plus) First hands-on experience with Spring Boot Practical experience with microservices architecture in production environments Familiarity with messaging systems such as Kafka or RabbitMQ Basic understanding of distributed systems and asynchronous communication Solid understanding of relational databases ( SQL ), including indexes, constraints, and transactions (without relying on ORM frameworks such as Hibernate/JPA) Experience working with monitoring, logging, and application metrics Ability to work in a cross-functional team environment Familiarity with reactive programming concepts Technologies you'll work with Java 11+ Spring Boot NoSQL databases Spring WebFlux / Project Reactor Relational databases (advanced SQL) Nice to have: Kafka Kotlin Event-driven architecture Client – why choose this particular client from the Jit portfolio? Our Client dominates the Polish e-commerce arena as the market leader since 1999 . With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies. Jit Team has had a successful partnership with our Client since spring 2021 , with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services. Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale , where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Senior Frontend Developer with strong .NET background to design and build a financial web application (Economic Profitability Calculator) in an Agile environment. The role focuses on Angular-based frontend development with backend support in .NET, ensuring high code quality and CI/CD automation. Hybrid work model with close collaboration with Product Owner and domain experts. 🗂️ Requirements: 8+ years of experience with Angular, 5+ years of experience in web development (HTML, JavaScript, TypeScript, CSS), 3+ years of experience in .NET and C# web development, 3+ years of experience with SQL, 2+ years of experience with Docker and Kubernetes, Experience with CI/CD process automation, Experience working in Agile environment, English proficiency minimum B2 level 📃 Skills: Angular, TypeScript, HTML, JavaScript, CSS, .NET, C#, SQL, Docker, Kubernetes, MSSQL, Dapper, Git, JIRA, Bamboo, Confluence, Bitbucket 🏢 Description: Salary: 900 - 1200 PLN/day on B2B Work model: elastic hybrid from Gdynia / Gdańsk (at least 2 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project We are looking for a passionate developer with a strong focus on frontend development and a background in .NET to join the Economic Profitability Calculator Team of our financial sector client. You will play a valuable role in designing and building an EPC web application, working closely with Subject Matter Experts and having a real influence on the product. Responsibilities you'll have Designing and implementing EPC business processes with a strong focus on the frontend part Ensuring code quality through high test automation coverage, code reviews, and pair programming Working in an Agile setup Cooperating closely with the Product Owner and Subject Matter Experts Maintaining and extending CI/CD process automation Expected competences and knowledge 8+ years of experience with Angular 5+ years of experience in web development ( HTML, JavaScript, TypeScript, CSS ) 3+ years of experience in .NET and C# web development 3+ years of experience with SQL 2+ years of experience with Docker and Kubernetes Technology enthusiast focused on high product quality and good UX Passion for frontend development with experience in backend development Team-player mindset Willingness to continuously improve competences Good communication skills, including communication in English (min. B2 level) Nice to have Experience with UI test automation Experience with CI/CD tools (Bamboo) Experience using an AI coding assistant Technologies you'll work with Angular TypeScript HTML JavaScript CSS .NET C# Docker Kubernetes MS SQL Server Dapper Git Atlassian Stack (JIRA, Bamboo, Confluence, Bitbucket) Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Remote Java Developer role focused on building and maintaining highly scalable backend services for advertising campaign management, including budgeting and billing domains. The position involves designing high-availability, horizontally scalable solutions within a cross-functional team and collaborating directly with product stakeholders. Opportunity to work in a cloud-based, distributed environment supporting large-scale, data-intensive systems. 🗂️ Requirements: Commercial experience in Java or Kotlin, Experience with Spring Boot, Knowledge of object-oriented programming and design patterns, Understanding of microservices architecture and distributed systems, Experience with PostgreSQL, Basic knowledge of MongoDB, Understanding of asynchronous and event-driven systems, Experience with REST APIs and service integration, Ability to work in cloud-based environments 📃 Skills: Java, Kotlin, Spring, SpringBoot, MongoDB, PostgreSQL, Kafka, Microservices, REST, Git, CI/CD, GoogleCloud, BigQuery 🏢 Description: Salary: 600 - 1000 PLN / dzień Remote work Why choose this offer? Real impact on system architecture Opportunity to design solutions with high availability and horizontal scalability Collaboration within a mature, cross-functional team Direct communication with Product Owners and non-technical stakeholders Project We are looking for a Java Developer to join a team responsible for developing and maintaining core services related to advertising campaign management. The team builds solutions that enable business users and advertising agencies to create and manage advertising campaigns, which are then delivered to various advertising channels and platforms. The scope of responsibility also includes budgeting and billing services related to advertising activities. The team works closely with multiple engineering and product teams responsible for campaign delivery, frontend applications, and other business-critical domains. The environment consists of highly scalable backend systems, distributed services, and data-intensive solutions that support key business processes. Expected competences and knowledge Commercial experience in Java and/or Kotlin development Good understanding of backend application development using Spring Boot Knowledge of object-oriented programming principles and software design patterns Familiarity with microservices architecture and distributed systems concepts Experience working with relational databases PostgreSQL Basic knowledge of NoSQL databases MongoDB Understanding of asynchronous communication and event-driven systems Experience with REST APIs and integration between services Eagerness to learn and develop in a modern cloud-based environment Technologies you'll work with Java, Kotlin Spring Boot MongoDB PostgreSQL Kafka Event-Driven Architecture Google Cloud BigQuery Microservices REST APIs Git CI/CD Pipelines Cloud-based services and distributed systems Client – why choose this particular client from the Jit portfolio? Our Client dominates the Polish e-commerce arena as the market leader since 1999 . With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies. Jit Team has had a successful partnership with our Client since spring 2021 , with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services. Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale , where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Frontend Developer role focused on building modern web applications with interactive dashboards and data visualizations using React and TypeScript in a hybrid work model. The position involves collaboration with backend, product, and design teams while leveraging AI-assisted development tools to improve productivity and code quality. Candidates will contribute to scalable frontend architecture, charting solutions, and high-performance analytical interfaces. 🗂️ Requirements: 4+ years commercial frontend development experience, Strong React expertise, Strong TypeScript expertise, Experience with AI-powered development tools, Experience building data visualizations and interactive charts, Knowledge of charting libraries, Understanding of modern frontend architecture, Experience integrating REST APIs, Fluent English 📃 Skills: React, TypeScript, Highcharts, REST, GitHub, Copilot, ChatGPT, Cursor, Claude, Tailwind, Redux, Zustand, Jest, Cypress, Python 🏢 Description: Salary: 900 - 1000 PLN/MD on B2B Work model: hybrid from Gdańsk / Warszawa / Kraków / Rzeszów (2 days per week from the office) Availability: ASAP or within 14 days preferred Why choose this offer? Join a team building modern, data-driven web applications Work with a high-impact tech stack: React, TypeScript, AI tools Opportunity to create interactive dashboards and advanced data visualizations Collaborate with cross-functional teams (backend, product, design) Leverage AI-powered development tools to boost productivity and code quality Influence technical decisions and architecture discussions Project You will contribute to the development of modern web applications focused on interactive data visualization and dashboards . The project involves designing and implementing user-friendly, high-performance interfaces , including graphs, charts, and analytical views . You will work closely with backend developers and product stakeholders to deliver scalable and maintainable solutions. Responsibilities you’ll have: Develop and maintain modern web applications using React and TypeScript Build interactive dashboards and data visualization components Implement and enhance charting and graph solutions (e.g. Highcharts) Collaborate with cross-functional teams to deliver high-quality features Write clean, maintainable, and well-tested code Participate in code reviews and contribute to technical discussions Leverage AI-assisted development tools to improve productivity and code quality Expected competences and knowledge: Minimum 4 years of commercial experience in frontend development Strong hands-on expertise in React and TypeScript Experience with AI-powered development tools (e.g., GitHub Copilot, ChatGPT, Cursor, Claude) Proven track record of building data visualizations and interactive charts/graphs Familiarity with charting libraries (e.g., Highcharts or similar) Solid understanding of modern frontend architecture and best practices Experience integrating with REST APIs Strong problem-solving and communication skills Fluent English (written and spoken) Nice to have: Experience with Tailwind CSS Basic knowledge of Python Familiarity with state management libraries (Redux, Zustand, etc.) Experience with testing frameworks (Jest, React Testing Library, Cypress) Technologies you'll work with React TypeScript Highcharts (or similar charting libraries) REST APIs AI-assisted development tools (GitHub Copilot, ChatGPT, etc.) Tailwind CSS (nice to have) Redux / Zustand (nice to have) Jest / Cypress / React Testing Library (nice to have) Client – why choose this particular client from the Jit portfolio? Our Client engineers technologies that enable the world of tomorrow to do more with less. They meet the growing need for infrastructure, food supply, energy efficiency and climate-friendly solutions . Their products and services are used in areas such as refrigeration, air conditioning, heating, motor control and mobile machinery. They are also active in the field of renewable energy as well as district heating infrastructure for cities and urban communities. Their innovative engineering dates back to 1933 and today our Client is a world-leader , employing more than 27,000 employees and serving customers in more than 100 countries . They are still privately held by the founding family. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Remote B2B role focused on building and expanding a large-scale analytical and operational data ecosystem delivering campaign performance insights and investment decision support. The position involves developing high-throughput data pipelines, reporting engines, and attribution systems using a modern cloud-based stack. You will work on production-grade data models and scalable systems supporting millions of users. 🗂️ Requirements: Minimum 3 years commercial experience with Java or Kotlin or Scala, Experience with distributed data pipelines, Experience with data processing and analytics systems, Knowledge of GCP cloud environment, Experience with large-scale data systems, Understanding of microservices architecture, Understanding of event-driven systems, Knowledge of data modeling, Willingness to participate in on-call duties, Availability for monthly visits to Warsaw 📃 Skills: Java, Kotlin, Scala, GCP, BigQuery, PostgreSQL, Airflow, Composer, Spark, Spring, Kafka, Microservices, Avro, Terraform, Analytics, DataModeling 🏢 Description: Salary: 600-960 pln/md on B2B Work mode: Remote (with visits to Warsaw once a month and w illingness to participate in on-call duties) Why choose this offer? Work on a high-impact data ecosystem Exposure to large-scale data processing , advanced analytics, and production-grade data models Modern tech stack (GCP, Spark, Airflow, Kafka, microservices) Project Development and expansion of an advanced analytical and operational ecosystem . The project focuses on delivering precise campaign performance data (Insights & Performance) and building tools that support large-scale investment decision-making. It includes creating reliable reporting systems, data attribution models, and scalable data pipelines, ensuring high-quality data availability for professional users. Expected competences and knowledge At least 3 years of commercial experience with Java / Kotlin / Scala Solid understanding of data processing and analytics systems Experience with distributed data pipelines and orchestration tools Knowledge of GCP cloud environment Experience working with large-scale data systems (e.g. BigQuery, Spark) Familiarity with microservices architecture and event-driven systems Understanding of data modeling and data productionization Nice to have Knowledge of Apache ecosystem, Avro, Terraform Responsibilities you’ll have Designing and developing reporting engines and attribution systems (Insights & Performance) Building and maintaining high-throughput data pipelines Collaborating with Data Science teams to productionize advanced data models Ensuring scalability, reliability, and performance of data systems Developing internal tools (bulk management, agency panels, RBAC systems) Supporting complex account structures and permissions management Willingness to participate in on-call duties Technologies you'll work with Java / Kotlin / Scala GCP (BigQuery) PostgreSQL Apache Airflow / Composer Apache Spark Spring Boot Kafka Microservices architecture Apache, Avro, Terraform Client – why choose this particular client from the Jit portfolio? Our Client dominates the Polish e-commerce arena as the market leader since 1999 . With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies. Jit Team has had a successful partnership with our Client since spring 2021 , with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services. Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale , where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Junior-level role in a project building a high-performance, scalable messaging platform for financial institutions, focused on message transport, transformation, routing, and monitoring in a critical environment. The position offers hands-on experience with enterprise financial systems and development toward Java backend or DevOps paths. Work is in a hybrid model with on-call support in a time-sensitive setup. 🗂️ Requirements: Basic experience in Java, Interest in DevOps, Good command of English (spoken and written), Availability for on-call support (rotational shifts), Ability to work in time-sensitive environments, Problem-solving skills, Willingness to work on-site 2 days per week 📃 Skills: Java, Spring, SpringBoot, Kubernetes, OpenShift, Docker, ActiveMQ, IBMMQ, Elasticsearch, PostgreSQL, DB2, ArgoCD, GitOps, Incentage 🏢 Description: Salary: 252 - 350 PLN/ day net + vat (B2B/Civil contract) Remote: elastic hybrid from our office in Gdynia/Gdańsk (2 days per week on-site) Why choose this offer? International working environment High level of autonomy and collaboration within the team Scandinavian organizational culture supporting real work-life balance Opportunity to learn how financial products and markets operate Project You’ll join a project focused on building a robust, scalable, high-performance messaging platform for financial institutions. The system handles message transport, data transformation, routing, validation, sequencing, and monitoring. It’s a critical, high-throughput environment where reliability matters and attention to detail makes a real impact. Expected competences and knowledge Junior level with strong learning mindset): Basic experience in Java (commercial or solid personal projects) Interest in DevOps, with an eagerness to learn Good command of spoken and written English Problem-solving mindset and ability to react quickly to issues Responsibility and readiness to work in time-sensitive environments Openness to collaboration and knowledge sharing (tech + business teams) Availability for on-call support (morning/evening shifts on rotation) Nice to have: Spring Boot Kubernetes / OpenShift Docker Messaging systems (Apache ActiveMQ, IBM MQ) Elasticsearch Databases (PostgreSQL, DB2) GitOps (ArgoCD) Experience with low-code platforms (e.g., Incentage IMS) What you gain: Exposure to real-world, large-scale financial systems Fast learning curve in a complex enterprise environment Supportive team that helps you grow (no “figure it out alone” culture) Development path toward Java backend / DevOps / Site Reliability Engineer Technologies you'll work with Spring Boot Kubernetes / OpenShift Docker Messaging systems (Apache ActiveMQ, IBM MQ) Elasticsearch Databases (PostgreSQL, DB2) GitOps (ArgoCD) Low-code platforms (e.g., Incentage IMS) Client – why choose this particular client from the Jit portfolio? Jit Team is proud to partner with one of the leading European financial groups responsible for the registration, ownership records, and financial settlement of securities traded on financial markets in Norway and recently extended to other European markets. Jit Team has been a strategic partner to our client in the area of software development since 2017 . Over the course of the partnership, Jit Team's dedicated team working for our client has grown from three to over 30 people , who have worked on the modernization of legacy applications, the implementation of new systems, and the development of a private cloud-based platform to host a variety of financial systems . About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Hybrid Delivery Manager role for a greenfield fintech platform in the banking domain, responsible for end-to-end delivery across multiple agile squads. The position focuses on coordinating large cross-functional teams, managing risks and dependencies, and ensuring timely delivery of a large-scale financial system. Offers real impact on processes and collaboration within an international environment. 🗂️ Requirements: Proven experience as Delivery Manager or Project Manager managing multiple agile teams, Experience delivering software projects with teams of 20+ members, Strong knowledge of agile methodologies, Experience in delivery planning, dependency management, and risk management, Ability to manage stakeholder reporting, Solid understanding of software development lifecycle, Fluent English (spoken and written), Availability to work hybrid, 3 days per week in office (Warsaw/Kraków/Rzeszów/Gdańsk) 📃 Skills: Agile, Scrum, SDLC, Java, Spring, Flutter, React 🏢 Description: Salary: 1300-1600 PLN/ MD (B2B) Work model: hybrid, 3 days per week in office (Warsaw/ Kraków/ Rzeszów/ Gdańsk) Why choose this offer? Opportunity to build a fintech platform from scratch (greenfield project) Real impact on architecture and core frontend services from day one Collaboration within a cross-functional, international team Work on a large-scale financial platform in the banking domain Project We are building a fintech platform from the ground up for a financial institution operating in the banking products space. Expected competences and knowledge: MUST HAVE Proven experience as a Delivery Manager, Project Manager, or similar role managing multiple agile teams simultaneously Experience managing delivery for software development projects with teams of 20+ people Strong understanding of agile methodologies and ability to adapt processes to team needs Experience with delivery planning, dependency management, risk management, and stakeholder reporting Ability to work effectively with technical teams; solid understanding of software development lifecycle, without necessarily being a developer Fluent English ; ability to communicate freely in a professional setting (spoken and written) Availability to work from the office 3 days per week in one of the following locations: Warsaw, Kraków, Tricity, or Rzeszów NICE TO HAVE Prior experience in the financial services or banking domain Experience with greenfield projects and team ramp-up / scaling Experience coordinating between technical and business stakeholders in a multi-squad setup Familiarity with Java/Spring or Flutter/React technology stacks Responsibilities you will have: Own end-to-end delivery across 3 cross-functional squads: planning, tracking, risk management, and reporting Coordinate squad-level work to manage cross-squad dependencies and ensure consistent progress toward project milestones Work with Tech Leads to resolve blockers, manage scope, and maintain realistic delivery timelines Collaborate with the Product Owner and Business Analysts to ensure requirements are clearly understood and properly prioritized Facilitate agile ceremonies and ensure effective team processes (sprint planning, retrospectives, demos) Manage the gradual team ramp-up: coordinate onboarding of new squad members as the team scales Provide regular delivery reports and status updates to project leadership (weekly cadence) Identify delivery risks early and implement mitigation plans Communicate effectively in English with all stakeholders, including technical teams and senior leadership Client – why choose this particular client from the Jit portfolio? The client is a fintech institution operating in the Kingdom of Saudi Arabia, focused on modernising its digital capabilities and expanding its offering for micro-SME customers . It is an organisation with a strong market presence and a clear strategic commitment to innovation, aiming to deliver banking experiences that are fully digital, user-friendly, and deeply integrated with day-to-day business needs. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy. Wymagania Oczekujemy Oferujemy