Technical Lead (node.js)

🏢 Summary: Hands-on Technical Lead role focused on building and scaling a Node.js and React-based delivery orchestration platform. The position combines architecture design, microservices development, and Azure cloud optimization with leading engineering teams. You will drive technical decisions, ensure high-quality software delivery, and implement scalable, event-driven systems. 🗂️ Requirements: 8+ years of software engineering experience, Min. 2 years in technical leadership role, Strong experience with Node.js and React, Experience designing and developing scalable RESTful APIs, Knowledge of microservices architecture and design patterns, Experience with message queues and event-driven architecture, Experience with relational or NoSQL databases, Experience with Azure or GCP cloud services, Experience with Docker and Kubernetes, Experience with CI/CD practices and Agile methodologies, Experience with software releases and performance monitoring 📃 Skills: Node.js, React, JavaScript, REST, Microservices, RabbitMQ, Kafka, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, Agile 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Technical Lead (Node.js + React) you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be a hands-on leadership position where you guide engineering teams to deliver scalable, high-quality software solutions. This is the perfect role for experienced engineers who thrive in technical decision-making, architecture, and mentorship—while staying engaged in hands-on coding. Key Responsibilities: Define the technical direction, making pivotal design decisions to ensure our architecture is scalable, maintainable, and high performing. Stay hands-on with coding, leading by example and ensuring adherence to best practices in security, performance, development, deployment and observability. Implement scalable microservices, API gateways, and event-driven architectures, ensuring high availability, disaster recovery and fault tolerance strategies are in place. Champion high-quality code testing, automation testing, and continuous integration/continuous deployment (CI/CD). Oversee Azure-based cloud architecture, optimizing performance, security, and cost efficiency. Directly supervise, mentor, and develop a team of 5-7 engineers, providing career guidance and fostering a culture of engineering excellence full of collaboration, accountability and professional growth. Actively recruit and interview top talent to strengthen the engineering team. Collaborate with Product Managers to align roadmap priorities, streamline development workflows, and enhance team processes for improved efficiency and operational excellence. Optimize development workflows and SDLC processes to improve team velocity, efficiency and maintain low cycle times. Establish engineering KPIs and leverage data-driven insights to enhance performance. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 8+ years in software engineering (ideally Node.js + React tech stack), with at least 2 years in a technical leadership role. Demonstrated expertise in designing and developing scalable APIs, with knowledge of RESTful principles and best practices. Knowledge of microservices architecture and related design patterns / best practices. Experience with message queues (e.g., RabbitMQ, Kafka) and event-driven architecture / patterns. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Experience utilizing cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Experience in managing software releases, performance monitoring, and reliability improvements. Strong problem-solving skills and ability to work in a fast-paced environment. Ability to explain complex technical concepts to engineers, executives, and cross-functional teams. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred). Salary levels: 28 000 – 32 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Hands-on Technical Lead role focused on designing and delivering scalable Node.js and React-based solutions within a cloud-native, microservices architecture. The position combines technical leadership, architectural decision-making, and active coding to build high-performance delivery orchestration systems. The role emphasizes API design, event-driven systems, CI/CD practices, and Azure cloud optimization. 🗂️ Requirements: 8+ years of software engineering experience, Minimum 2 years in a technical leadership role, Strong experience with Node.js and React, Experience designing and developing scalable RESTful APIs, Knowledge of microservices architecture and design patterns, Experience with message queues and event-driven architecture, Experience with relational or NoSQL databases, Experience with Azure or GCP cloud services, Experience with Docker and Kubernetes, Experience with CI/CD pipelines and Agile methodologies, Experience in software release management and performance monitoring, Advanced English proficiency (B2+) 📃 Skills: Node.js, React, REST, Microservices, RabbitMQ, Kafka, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, Agile 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Technical Lead (Node.js + React) you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be a hands-on leadership position where you guide engineering teams to deliver scalable, high-quality software solutions. This is the perfect role for experienced engineers who thrive in technical decision-making, architecture, and mentorship—while staying engaged in hands-on coding. Key Responsibilities: Define the technical direction, making pivotal design decisions to ensure our architecture is scalable, maintainable, and high performing. Stay hands-on with coding, leading by example and ensuring adherence to best practices in security, performance, development, deployment and observability. Implement scalable microservices, API gateways, and event-driven architectures, ensuring high availability, disaster recovery and fault tolerance strategies are in place. Champion high-quality code testing, automation testing, and continuous integration/continuous deployment (CI/CD). Oversee Azure-based cloud architecture, optimizing performance, security, and cost efficiency. Directly supervise, mentor, and develop a team of 5-7 engineers, providing career guidance and fostering a culture of engineering excellence full of collaboration, accountability and professional growth. Actively recruit and interview top talent to strengthen the engineering team. Collaborate with Product Managers to align roadmap priorities, streamline development workflows, and enhance team processes for improved efficiency and operational excellence. Optimize development workflows and SDLC processes to improve team velocity, efficiency and maintain low cycle times. Establish engineering KPIs and leverage data-driven insights to enhance performance. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 8+ years in software engineering (ideally Node.js + React tech stack), with at least 2 years in a technical leadership role. Demonstrated expertise in designing and developing scalable APIs, with knowledge of RESTful principles and best practices. Knowledge of microservices architecture and related design patterns / best practices. Experience with message queues (e.g., RabbitMQ, Kafka) and event-driven architecture / patterns. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Experience utilizing cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Experience in managing software releases, performance monitoring, and reliability improvements. Strong problem-solving skills and ability to work in a fast-paced environment. Ability to explain complex technical concepts to engineers, executives, and cross-functional teams. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred), We are open to a more flexible arrangement for candidates located outside the Krakow area. Salary levels: 28 000 – 32 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Senior Backend Developer role focused on building and optimizing scalable backend services and APIs for a logistics orchestration platform using Node.js and TypeScript. The position involves designing microservices, integrating third-party systems, managing databases, and improving cloud-based infrastructure and CI/CD processes. The role requires strong experience in high-performance systems and cloud-native architectures. 🗂️ Requirements: 6+ years of backend development experience, Strong experience with Node.js, Strong experience with TypeScript, Experience building RESTful APIs, Experience with microservices architecture, Experience with MySQL, MongoDB, CosmosDB or similar databases, Understanding of Azure and GCP cloud services, Experience with Docker, Experience with Kubernetes, Experience with CI/CD practices, Experience working in Agile environment, Advanced English proficiency (B2+) 📃 Skills: Node.js, TypeScript, REST, Microservices, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, RabbitMQ, Kafka 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Senior Backend Developer (Node.js), you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be managing the interchange of data between OneRail and 3rd party services, as well as interacting with data stores, and exchanging information between internal microservices. Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics platform. Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies. Implement best practices for security, scalability, and performance optimization. Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Monitor system performance, troubleshoot issues, and proactively optimize processes. ·         Collaborate with frontend developers, product managers, and other stakeholders. Document technical specifications and architectural decisions for future reference. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 6+ years of experience in backend development, with a strong focus on Node.js & TypeScript. Experience in building RESTful APIs and microservices. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Understanding of cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Familiarity with message queues (e.g., RabbitMQ, Kafka) is a plus. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred) Salary levels: 22 000 – 28 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Senior Backend Developer (Node.js) role focused on building and optimizing scalable backend services and APIs for a logistics orchestration platform. The position involves developing microservices, integrating with third-party systems, and ensuring high performance, security, and reliability in a cloud-based environment. The role also includes contributing to CI/CD processes and system architecture decisions. 🗂️ Requirements: 6+ years of backend development experience, Strong experience with Node.js, Strong experience with TypeScript, Experience building RESTful APIs, Experience developing microservices, Experience with MySQL, MongoDB, CosmosDB or similar databases, Understanding of Azure and GCP cloud services, Experience with Docker, Experience with Kubernetes, Experience with CI/CD practices, Experience working in Agile environment, Advanced English (B2+) 📃 Skills: Node.js, TypeScript, REST, Microservices, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, RabbitMQ, Kafka 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Senior Backend Developer (Node.js), you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be managing the interchange of data between OneRail and 3rd party services, as well as interacting with data stores, and exchanging information between internal microservices. Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics platform. Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies. Implement best practices for security, scalability, and performance optimization. Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Monitor system performance, troubleshoot issues, and proactively optimize processes. ·         Collaborate with frontend developers, product managers, and other stakeholders. Document technical specifications and architectural decisions for future reference. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 6+ years of experience in backend development, with a strong focus on Node.js & TypeScript. Experience in building RESTful APIs and microservices. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Understanding of cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Familiarity with message queues (e.g., RabbitMQ, Kafka) is a plus. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred) Salary levels: 22 000 – 28 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Senior Backend Developer (Node.js) role focused on building and optimizing scalable backend services and APIs for a logistics orchestration platform. The position involves developing microservices, integrating with third-party systems, and ensuring high performance, security, and reliability in a cloud-based environment. The role also includes working with CI/CD pipelines and containerized deployments in a collaborative Agile team. 🗂️ Requirements: 6+ years of backend development experience, Strong experience with Node.js and TypeScript, Experience building RESTful APIs and microservices, Experience with MySQL, MongoDB, CosmosDB or similar databases, Understanding of Azure and GCP cloud services, Experience with Docker and Kubernetes, Experience with CI/CD practices, Experience working in Agile methodologies, Advanced English proficiency (B2+) 📃 Skills: Node.js, TypeScript, REST, Microservices, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, RabbitMQ, Kafka 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Senior Backend Developer (Node.js), you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be managing the interchange of data between OneRail and 3rd party services, as well as interacting with data stores, and exchanging information between internal microservices. Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics platform. Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies. Implement best practices for security, scalability, and performance optimization. Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Monitor system performance, troubleshoot issues, and proactively optimize processes. ·         Collaborate with frontend developers, product managers, and other stakeholders. Document technical specifications and architectural decisions for future reference. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 6+ years of experience in backend development, with a strong focus on Node.js & TypeScript. Experience in building RESTful APIs and microservices. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Understanding of cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Familiarity with message queues (e.g., RabbitMQ, Kafka) is a plus. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred), We are open to a more flexible arrangement for candidates located outside the Krakow area. Salary levels: 20 000 – 28 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Backend Developer (Node.js) role focused on building and maintaining scalable backend services and APIs for a logistics orchestration platform. The position involves developing microservices, integrating third-party systems, and optimizing performance, security, and deployment processes in a cloud-based environment. You will contribute to high-availability solutions supporting same-day delivery operations. 🗂️ Requirements: 3+ years backend development experience, Strong experience with Node.js and TypeScript, Experience building RESTful APIs, Experience with microservices architecture, Experience with relational or NoSQL databases, Knowledge of Azure or GCP cloud services, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Experience working in Agile environment, Advanced English proficiency (B2+) 📃 Skills: Node.js, TypeScript, REST, Microservices, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, RabbitMQ, Kafka 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Backend Developer (Node.js), you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be managing the interchange of data between OneRail and 3rd party services, as well as interacting with data stores, and exchanging information between internal microservices. Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics platform. Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies. Implement best practices for security, scalability, and performance optimization. Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Monitor system performance, troubleshoot issues, and proactively optimize processes. ·         Collaborate with frontend developers, product managers, and other stakeholders. Document technical specifications and architectural decisions for future reference. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 3+ years of experience in backend development, with a strong focus on Node.js & TypeScript. Experience in building RESTful APIs and microservices. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Understanding of cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Familiarity with message queues (e.g., RabbitMQ, Kafka) is a plus. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred). Salary levels: 18 000 – 22 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Backend Developer (Node.js) role focused on building and maintaining scalable backend services and APIs for a logistics orchestration platform. The position involves developing microservices, integrating third-party systems, and optimizing performance in a cloud-based environment. You will contribute to CI/CD improvements, system reliability, and high-quality code within an Agile team. 🗂️ Requirements: 3+ years backend development experience, Strong Node.js experience, Strong TypeScript experience, Experience building RESTful APIs, Experience with microservices architecture, Experience with MySQL, MongoDB, CosmosDB or similar databases, Understanding of Azure and GCP cloud services, Experience with Docker and Kubernetes, Experience with CI/CD practices, Experience working in Agile environment, Advanced English proficiency (B2+) 📃 Skills: Node.js, TypeScript, REST, Microservices, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, RabbitMQ, Kafka 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Backend Developer (Node.js), you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be managing the interchange of data between OneRail and 3rd party services, as well as interacting with data stores, and exchanging information between internal microservices. Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics platform. Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies. Implement best practices for security, scalability, and performance optimization. Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Monitor system performance, troubleshoot issues, and proactively optimize processes. ·         Collaborate with frontend developers, product managers, and other stakeholders. Document technical specifications and architectural decisions for future reference. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 3+ years of experience in backend development, with a strong focus on Node.js & TypeScript. Experience in building RESTful APIs and microservices. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Understanding of cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Familiarity with message queues (e.g., RabbitMQ, Kafka) is a plus. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred), We are open to a more flexible arrangement for candidates located outside the Krakow area. Salary levels: 18 000 – 22 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Senior Mobile Developer (React Native) role focused on building and optimizing high-performance cross-platform mobile applications for iOS and Android within a delivery orchestration platform. The position involves developing advanced features, integrating APIs, implementing native modules, and improving CI/CD processes. You will collaborate with cross-functional teams to deliver scalable, secure, and production-ready mobile solutions. 🗂️ Requirements: 8+ years of mobile app development experience, Strong commercial experience with React Native, Experience with React ecosystem, Experience with state management libraries (Redux, MobX, Zustand or similar), Experience with React Navigation and deep linking, Experience integrating REST or GraphQL APIs, Experience handling offline data storage, Understanding of app lifecycle and background tasks, Experience with push notifications, Experience with native modules and platform-specific integrations, Knowledge of mobile security best practices, Experience with data persistence, Understanding of cloud services (AWS, GCP or Azure), Experience with CI/CD practices, Experience with Agile methodologies, Experience publishing apps to App Store and Google Play 📃 Skills: React, ReactNative, Redux, MobX, Zustand, ReactNavigation, REST, GraphQL, AsyncStorage, SQLite, Realm, iOS, Android, AWS, GCP, Azure, CI/CD, Agile 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Senior Mobile Developer (React Native) you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations. In this role, you will work closely with product owners, designers, and other developers to build and maintain high-performance applications that run on iOS and Android platforms. If you have a passion for single code base development, a strong background in React Native, and enjoy working in a team-oriented environment, we encourage you to apply. Key Responsibilities: Design and develop advanced mobile applications using React Native. Integrate APIs. Implement modern UI/UX designs with pixel-perfect precision across iOS and Android. Write clean, modular, well-tested code following architecture patterns and best practices typical for mobile apps development. Identify and resolve performance bottlenecks, memory leaks, and UI glitches. Implement native modules and platform-specific integrations (camera, geolocation, push notifications, local storage). Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 8+ years of experience in mobile apps development, with a particular focus on efficiency optimization and code reuse. Strong commercial experience with React Native and the React ecosystem Experience with state management (Redux, MobX, Zustand, or similar). Familiarity with React Navigation and deep linking. Experience integrating APIs (REST, GraphQL) and handling offline data (e.g., AsyncStorage, SQLite, Realm). Understanding of app lifecycle management, background tasks, and push notifications. Experience with platform-specific integrations (e.g., camera, geolocation, local storage). Understanding of mobile security best practices. Familiarity with mobile app design principles and UI/UX best practices. Familiarity with publishing to App Store and Google Play. Understanding of cloud services (AWS, GCP, or Azure). Experience with data persistence Experience with Agile methodologies and CI/CD practices. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred), We are open to a more flexible arrangement for candidates located outside the Krakow area. Salary levels: 20 000 – 28 000 PLN/month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Senior Backend Developer (.NET) role focused on building and optimizing scalable backend services and APIs for a logistics and fintech platform. The position involves designing microservices, integrating third-party systems, managing data stores, and improving CI/CD processes in a cloud-based environment. 🗂️ Requirements: 6+ years of backend development experience with .NET and C#, Experience building RESTful APIs and microservices, Experience with relational or NoSQL databases (MySQL, MongoDB, CosmosDB or similar), Understanding of cloud platforms (Azure or GCP), Experience with containerization (Docker, Kubernetes), Experience with Agile methodologies, Experience with CI/CD practices, Advanced English proficiency (B2+) 📃 Skills: C#, .NET, REST, Microservices, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CICD, Agile 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Senior Backend Developer (.NET), you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations. Your role will be managing the interchange of data between OneRail and 3rd party services, as well as interacting with data stores, and exchanging information between internal microservices. Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics platform and fintech product. Design and implement scalable and high-performance solutions using C#/.NET and other modern backend technologies. Implement best practices for security, scalability, and performance optimization. Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Monitor system performance, troubleshoot issues, and proactively optimize processes. Collaborate with frontend developers, product managers, and other stakeholders. Document technical specifications and architectural decisions for future reference. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 6+ years of experience in backend development, with a strong focus on .NET using C#. Experience with Node.js development as a plus. Experience in building RESTful APIs and microservices. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Understanding of cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Familiarity with message queues (e.g., RabbitMQ, Kafka) is a plus. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred). Salary levels: 22 000 – 28 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Senior Backend Developer role focused on building and optimizing scalable backend services and APIs for a logistics and fintech platform. The position involves developing microservices, integrating with third-party systems, and ensuring high performance, security, and reliability in a cloud-based environment. The role also includes contributing to CI/CD processes and system architecture decisions. 🗂️ Requirements: 6+ years of backend development experience, Strong experience with .NET and C#, Experience building RESTful APIs, Experience designing and developing microservices, Experience with databases such as MySQL, MongoDB, or CosmosDB, Understanding of Azure and GCP cloud services, Experience with Docker and Kubernetes, Experience with CI/CD practices, Experience working in Agile environments 📃 Skills: C#, .NET, REST, Microservices, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, Agile 🏢 Description: OneRail is a technology company innovating solutions for multi-modal delivery. We have built and continue to develop a delivery orchestration platform that connects shippers to an extensive courier ecosystem to automate, optimize, and control the entire delivery supply chain, from the demand signal to the proof of delivery. Our OmniPoint SaaS platform uses proprietary algorithms and artificial intelligence to power efficient same-day delivery programs for major companies like Lowe’s, Pepsi, American Tire Distributors, and Advance Auto Parts. As Senior Backend Developer (.NET), you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations. Your role will be managing the interchange of data between OneRail and 3rd party services, as well as interacting with data stores, and exchanging information between internal microservices. Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics platform and fintech product. Design and implement scalable and high-performance solutions using C#/.NET and other modern backend technologies. Implement best practices for security, scalability, and performance optimization. Participate in code reviews, testing, and debugging to ensure high code quality and reliability. Monitor system performance, troubleshoot issues, and proactively optimize processes. Collaborate with frontend developers, product managers, and other stakeholders. Document technical specifications and architectural decisions for future reference. Assist in automating deployment processes and improving CI/CD pipelines. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 6+ years of experience in backend development, with a strong focus on .NET using C#. Experience with Node.js development as a plus. Experience in building RESTful APIs and microservices. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Understanding of cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Familiarity with message queues (e.g., RabbitMQ, Kafka) is a plus. Strong problem-solving skills and ability to work in a fast-paced environment. Excellent communication and collaboration skills. Advanced proficiency in English, both written and spoken (B2+). Not sure if you have enough experience to meet the challenge, but still willing to learn and join our team? Send us your application and we will be happy to talk about the possibilities. Think big! Why Join OneRail Poland? Innovation at its Core: Work on industry-leading technology that is shaping the future of logistics. Career Growth: Opportunities for professional development and career advancement. Collaborative Culture: Join a team of talented engineers and industry experts. Exciting Challenges: Solve complex problems and contribute to impactful projects. Flexibility: We offer a flexible hybrid work style and flexible employment types to suit your needs, ensuring a work-life balance that works for you. Competitive Compensation: Attractive salary and benefits package. Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred). Salary levels: 22 000 – 28 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!