Technical Lead (.net, c#)

🏢 Summary: Tech Lead role focused on designing and delivering backend-centric, cloud-based solutions for a custom industrial application covering end-to-end logistics, production, and shipment processes. The position combines strong .NET backend expertise with Angular fullstack work, emphasizing Domain Driven Design, Clean Architecture, and microservices. The role requires technical ownership, architectural decision-making, and pragmatic delivery within a European team. 🗂️ Requirements: Minimum 7 years of commercial experience in .NET development, Experience in senior or Tech Lead role, Strong backend expertise, Hands-on Fullstack experience with Angular, Experience with cloud-native architectures, Knowledge of Domain Driven Design, Knowledge of Clean Architecture, Experience with microservices, Experience with API design, Practical use of AI tools in development, Fluent English, Residence in Poland 📃 Skills: .NET, Angular, C#, Cloud, Microservices, APIs, DDD, Architecture, AI, Git 🏢 Description: We are looking for an experienced Tech Lead to join a European team working on a custom-built solution for the industrial/manufacturing sector. The application supports an end-to-end process—from logistics, through production, to final shipment—ensuring full traceability and process control. This role is strongly backend- and cloud-focused and requires a pragmatic, delivery-oriented mindset. Your tasks Design, develop, and maintain backend-centric fullstack solutions using .NET and Angular Take ownership of technical decisions with a strong focus on backend architecture and cloud-based solutions Build and evolve systems based on Domain Driven Design and Clean Architecture Design, develop, and maintain microservices, APIs, and integration layers Ensure code quality through unit tests and architectural consistency Plan and realistically deliver roadmap items, focusing on feasibility, prioritization, and execution Requirements Minimum 7 years of commercial experience in .NET development, including senior or tech lead responsibilities Strong backend expertise combined with hands-on experience as a Fullstack Developer (Angular) Solid understanding of cloud-native architectures and modern backend systems Solid understanding of Domain Driven Design, Clean Architecture, microservices, and API design Practical experience using AI tools in daily development work (e.g., AI copilots, AI-assisted coding, AI-driven workflows) Pragmatic, realistic engineering mindset focused on delivery, planning, and rational decision-making Ability to take ownership of complex topics and drive them to completion Fluency in English Residing in Poland required

🏢 Summary: Engineering Team Leader (.NET/C#) role responsible for leading a development team and owning the design and delivery of advanced backup and disaster recovery solutions. The position combines hands-on development with architectural decisions and cross-functional collaboration in a growing R&D environment. Work involves building and maintaining distributed systems using modern Microsoft and containerized technologies. 🗂️ Requirements: Minimum 2 years experience as Team Leader (team of at least 3 engineers), Minimum 5 years commercial experience with .NET and C#, Strong knowledge of OOP, SOLID and DRY principles, Experience with SQL and NoSQL databases, Experience designing and developing REST APIs, Knowledge of Windows and Linux environments, Practical experience with Git, Jira and Docker, Experience creating unit, integration and E2E tests, Communicative Polish and English 📃 Skills: .NET, C#, REST, WebSockets, Docker, SQL, NoSQL, SQLite, PostgreSQL, VMware, Hyper-V, Git, Jira, Windows, Linux, OOP, SOLID, DRY, Kubernetes, S3, MS365, SignalR, TeamCity, Android, iOS, macOS 🏢 Description: Our Client is a leading provider of backup and disaster recovery solutions . The company develops advanced products securing physical, virtual, SaaS, and DevOps environments . Its solutions are used by Fortune 500 companies worldwide. You will join the organization as an Engineering Team Leader (.NET/C#) and have a real impact on product development and the growth of R&D teams during a period of intensive company expansion. 📍 Location: Kraków / Poznań - 2 days per week in the office 🏡 Work model: remote start, after a few months hybrid work model (office in one of the above locations) Scope of responsibilities Building, leading, and mentoring a development team (3+ engineers) Full ownership of assigned projects and products (in cooperation with the Product Manager) Designing and implementing new functionalities Developing and maintaining systems based on: .NET/C#, REST APIs, WebSockets, Docker, SQL/NoSQL (SQLite, PostgreSQL), VMware/Hyper-V Ensuring code quality and software development standards Conducting code reviews Close cooperation with QA, Product Team, DevOps/Infrastructure, Customer Success, and Support Solving complex technical problems Creating unit, integration, and E2E tests Co-creating and maintaining technical documentation Requirements Minimum 2 years of experience in a Team Leader role (team of at least 3 people) Minimum 5 years of commercial experience with .NET / C# Strong knowledge of OOP, SOLID, DRY principles, and design patterns Experience working with SQL and NoSQL databases Knowledge of Windows and Linux environments Practical experience with Git, Jira, Docker Communicative knowledge of Polish and English Nice to have Kubernetes, VMware, Hyper-V, S3, MS365, SignalR, TeamCity Experience with Android / iOS / macOS Low-level programming experience What we offer For B2B: 26 days off from service provision + 10 days of paid sick leave Full equipment and hardware provided Training budget Free English lessons during working hours Multisport card (e.g. Light package for 1 PLN) Private medical care (Luxmed package from 1 PLN) TQLO Sp. z o.o. – Recruitment Agency (KRAZ no. 33580)

🏢 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 high-performance microservices, integrating with third-party systems, and managing data exchange across distributed systems. You will work with modern cloud and container technologies to ensure security, scalability, and reliability. 🗂️ Requirements: 6+ years of backend development experience with .NET and C#, Experience building RESTful APIs, Experience developing microservices architectures, Experience with relational or NoSQL databases (MySQL, MongoDB, CosmosDB or similar), Experience with cloud platforms (Azure or GCP), Experience with containerization technologies (Docker, Kubernetes), Experience with CI/CD pipelines and Agile methodologies 📃 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 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: Hybrid Engineering Team Leader (.NET/C#) role focused on leading a development team and ensuring high-quality delivery of proprietary backup and disaster recovery products. Combines people management with partial hands-on development and ownership of end-to-end product execution. Strong emphasis on engineering standards, collaboration, and technical excellence. 🗂️ Requirements: Minimum 2 years experience leading development team (min. 3 people), Minimum 5 years commercial experience with .NET and C#, Strong knowledge of OOP principles, Strong knowledge of SOLID principles, Knowledge of design patterns, Experience with SQL databases, Knowledge of Git, Knowledge of Jira, Knowledge of Docker, Good knowledge of Windows, Good knowledge of Linux, English B2 level, Polish B2 level 📃 Skills: .NET, C#, OOP, SOLID, SQL, Git, Jira, Docker, Windows, Linux, NoSQL, Kubernetes, VMware, Hyper-V, S3, SignalR, TeamCity 🏢 Description: For our Client operating in the backup & disaster recovery domain, we are looking for a .NET Team Leader who will take on a key leadership role within a growing R&D organization. The company develops its own proprietary products , used globally — including by Fortune 500 companies — and is currently in a phase of strong growth and expansion of its engineering teams. This is an environment where you can have a real impact on the product, people, and technological direction . 📍 Hybrid – remote work + 2 days per week from the office 📍 Offices: Poznań / Kraków , with additional locations planned this year 🚀 The Role We are looking for an Engineering Team Leader (.NET/C#) — someone with a strong software development background who wants to focus primarily on people management , team development, and ensuring high-quality software delivery. This is not a pure Tech Lead role — while technical competence is important, leadership and soft skills are key . 🔧 Your Responsibilities Managing a development team (building, leading, mentoring), End-to-end responsibility for product/project development in cooperation with the Product Manager, Ensuring high software engineering standards (SOLID principles, best practices), Conducting code reviews, Partial hands-on work in the codebase, Close collaboration with QA, Product, DevOps/Infrastructure, Support, and Customer Success teams, Supporting the team in solving technical challenges, Co-creating and maintaining technical and project documentation, Participating in technical recruitment processes (e.g. live coding, code reviews). 🧠 Requirements Minimum 2 years of experience leading a development team (at least 3 people), Minimum 5 years of commercial experience with .NET / C# , Strong knowledge of OOP principles, SOLID, and design patterns, Experience working with SQL databases (NoSQL is a plus), Knowledge of Git, Jira, Docker , Good knowledge of Windows and Linux environments, Polish and English — communicative level (B2) , A people-oriented mindset with a focus on mentoring, motivation, and team growth. ⭐ Nice to Have Kubernetes, VMware, Hyper-V, S3 Storage, SignalR, TeamCity, Experience with desktop applications, Low-level programming experience. 🎁 Benefits Private medical care, Sports card (e.g. Multisport), Training and development budget, English lessons during working hours, Additional days off (health prevention day, menstrual leave), Employee referral program, integrations, company events, Real influence on the product and organizational growth. 📌We will contact only selected candidates who meet the requirements specified in the job posting. The recruitment process is conducted by TQLO Sp. z o.o. , an IT recruitment agency. KRAZ registration number: 33580

🏢 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!

🏢 Summary: Lead .NET Engineer role combining hands-on backend development with technical leadership, owning architecture, core platform services, APIs, and payment integrations in a distributed AWS environment. The position includes defining technical direction, mentoring engineers, driving CI/CD and operational excellence, and promoting AI-assisted development practices. After a short onboarding period in the US, the role is fully remote with long-term engagement in a strategic product initiative. 🗂️ Requirements: 6–10+ years of experience building and operating production software systems, Experience in Technical Lead or Lead Engineer role, Strong backend development experience with C# and .NET, Experience designing and operating distributed systems and microservices, Strong SQL and database design skills, Hands-on experience with AWS (SQS, DynamoDB, S3, ECS, Lambda), Experience owning and improving CI/CD pipelines, Experience in payments, financial services, or regulated environments, Working knowledge of React or Vue 📃 Skills: C#, .NET, AWS, ECS, Lambda, SQS, DynamoDB, S3, SQL, Microservices, REST, CI/CD, React, Vue, AI 🏢 Description: Lead .NET Engineer Remote 140–160 PLN/h B2B Full-time (FTE) *Project starts with a 2–3 week onboarding and training period in the US, followed by fully remote work. About the role We are looking for an experienced Lead .NET Engineer to take ownership of a squad responsible for core platform services, APIs, and payment integrations. In this role, you will combine hands-on software engineering with technical leadership. You will define technical direction, partner with Product on roadmap delivery, mentor engineers, and help drive the adoption of AI-assisted development practices across the software delivery lifecycle. Responsibilities Own squad-level architecture and technical decision-making. Lead the design, development, and operation of backend services and APIs. Ensure high standards of code quality, performance, security, and reliability. Drive incident management and operational excellence. Collaborate closely with Product Managers and stakeholders to deliver roadmap priorities. Mentor engineers through coaching, technical guidance, and regular feedback. Participate in hiring and team growth activities. Promote and implement AI-assisted development tools and best practices. Contribute to continuous improvement of engineering processes, CI/CD, and platform capabilities. Must-have requirements 6–10+ years of experience building and operating production software systems. Proven experience in a Technical Lead, Lead Engineer, or similar leadership role. Strong backend development experience with C#/.NET. Working knowledge of frontend technologies such as React or Vue. Experience designing and operating distributed systems and microservice architectures. Strong SQL and database design skills. Experience working within payments, financial services, or other regulated environments. Hands-on experience with AWS services, including: SQS DynamoDB S3 ECS Lambda Experience owning and improving CI/CD pipelines. Strong communication and stakeholder management skills. Nice to have Experience building large-scale payment platforms or fintech products. Previous people-management responsibilities. Experience with platform modernization and cloud transformation initiatives. Experience implementing AI-powered engineering tools and workflows. Tech Stack C# .NET AWS ECS Lambda SQS DynamoDB S3 SQL Microservices REST APIs CI/CD React / Vue AI-assisted Development What we offer Long-term engagement in a strategic product initiative. High-impact technical leadership role. Opportunity to shape engineering standards and architecture. Exposure to modern AI-assisted development practices. International environment and collaboration with US-based teams. Fully remote work after onboarding period in the US.

🏢 Summary: Senior Tech Lead role focused on designing and delivering enterprise solutions using .NET and Angular in a 100% remote model. The position combines hands-on architecture work with technical leadership, guiding teams and driving integration, CI/CD, and event-driven solutions. The role emphasizes scalable systems, workflow automation, and high engineering standards. 🗂️ Requirements: 8+ years of software development experience, Proven experience in senior or lead technical role, Strong expertise in .NET, Strong expertise in Angular, Strong expertise in SQL, Experience building REST APIs, Experience with GitLab CI/CD, Experience with OpenShift, Experience with event-driven architecture, Knowledge of integration methods, Knowledge of workflow or BPM systems, Communicative Polish, Functional English, Legal right to work in the EU 📃 Skills: .NET, Angular, SQL, REST, GitLab, CICD, OpenShift, EventDriven, BPM, Architecture, Integration 🏢 Description: Unleash innovative leadership — drive cutting-edge technology solutions and inspire teams to excellence! Wroclaw-based opportunity with a 100% remote work model. As a Senior Tech Lead – .NET & Angular Solutions , you will be working for our client in the technology sector, pioneering enterprise solutions that streamline workflows and enable seamless integrations. Your leadership will shape the future of digital transformation, empowering development teams to deliver impactful and scalable systems. Your main responsibilities: Guide and mentor a team of developers in designing and implementing high-quality software solutions. Make key technical decisions related to architecture, integration, and development processes. Collaborate with stakeholders to translate business requirements into robust technical specifications. Oversee the development lifecycle, ensuring adherence to best practices and quality standards. Support continuous integration and deployment pipelines using GitLab CI/CD and OpenShift. Lead efforts in implementing event-driven architectures and workflow/BPM processes. Facilitate code reviews and foster a culture of technical excellence and innovation. You're ideal for this role if you have: 8+ years of experience in software development, with proven leadership in a senior or lead role. Strong expertise in .NET, Angular, SQL, and REST API development. Experience with GitLab CI/CD, OpenShift, and event-driven architecture. Solid understanding of integration methods and workflow management systems. Ability to lead technical discussions and support team members in solving complex challenges. It is a strong plus if you have: (optional) Certification in Agile, Scrum, or related methodologies. Experience with BPM tools or workflow automation solutions. Language Required for the role: Communicative Polish and functional proficiency in English. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Remote Software Development Manager / Tech Lead role focused on leading engineering teams and defining technical strategy. The position combines hands-on expertise in .NET and cloud solutions with responsibility for architecture, code quality, and mentoring. You will collaborate with stakeholders while supporting international projects. 🗂️ Requirements: Experience as Software Development Manager or Tech Lead, Strong expertise in .NET, Experience with cloud solutions, Ability to design software architecture, Experience ensuring code quality, Experience mentoring developers, Ability to define technical strategy 📃 Skills: .NET, C#, Cloud, Azure, AWS, Architecture 🏢 Description: We are seeking an experienced Software Development Manager / Tech Lead to play a pivotal role in leading and growing our engineering teams. The ideal candidate will combine deep technological expertise—especially in .NET and cloud solutions—with strong leadership and communication skills. You will be responsible for technical strategy, architecture, code quality, and mentoring, while collaborating with business stakeholders and supporting international projects. 100% remote Rate: Up to 180PLN/h (B2B)

🏢 Summary: Hands-on Technical Lead role focused on building and scaling a delivery orchestration platform using Node.js and React. The position combines architectural decision-making, microservices and cloud-based system design with active coding and team leadership. It involves leading engineers to deliver high-availability, event-driven solutions in an Azure-based environment. 🗂️ Requirements: 8+ years software engineering experience, Min. 2 years in technical leadership role, Experience with Node.js and React, Experience designing scalable RESTful APIs, Knowledge of microservices architecture, Experience with message queues, Experience with relational or NoSQL databases, Experience with Azure or GCP cloud platforms, Experience with Docker and Kubernetes, Experience with CI/CD practices, Experience with Agile methodologies, Experience in software release management and monitoring, Advanced English (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). Salary levels: 28 000 – 32 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!