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Technical Lead (.NET + Flutter) - OneRail Technology Hub - Krakow, Poland

OneRail

OneRail

Software Engineering, IT
Kraków, Poland
Posted on May 29, 2025
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 (.NET + Flutter) 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 .NET C# & Flutter), with at least 2 years in a technical leadership role. Experience in other tech stacks like Node.js+React as a plus.
  • 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+).

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 (regular)

Take the next step in your career and become a part of OneRail’s exciting journey!

About OneRail

OneRail, headquartered in Orlando, FL, is the emerging leader in Final Mile delivery technology. 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.

OmniPoint is the cornerstone of OneRail’s integrated final mile delivery solution.

  • Capture. Within moments of a purchase that requires same-day delivery, OmniPoint captures a shipper’s “demand signal” from their POS, ERP, or e-commerce system: what was ordered, where it is, where it’s going, and when it needs to be there.
  • Optimize. OmniPoint uses this data to specify the optimal vehicle for the order’s size and weight, as well as any extra services required. OmniPoint then calculates all-in shipping costs and optimizes delivery routing.
  • Execute. Customers can direct deliveries to their fleet, or OneRail’s nationwide network of 12 million couriers available 24/7/365.
  • Support. Deliveries can be supported as they occur by OneRail’s skilled Exceptions Assist team to handle unforeseen delivery issues on the customer’s behalf.
  • Follow Up. OmniPoint enables the consumer or receiving business to track their order delivery in real time and provide feedback through a customer-branded interface.

OneRail has been recognized by Gartner as one of the most innovative solutions in the Final Mile delivery space. We ranked in the top 100 of the Inc. 5000 list of the fastest-growing US private companies in 2022 and 2023 and received an Inc. Best Workplace award in 2023.

Regular, Full-time Team Member Benefits

  • Competitive base compensation
  • Health and wellness Insurance with generous company contribution (medical, dental, vision)
  • Company-paid life insurance, short-term and long-term disability
  • 4% 401K match with immediate vesting of Company match
  • Continuing Education Opportunities
  • Flexible/Open (Uncapped) Paid Time Off (PTO) Policy for Salaried Team Members*
  • Competitive Paid Time Off (PTO) Policy for Hourly Team Members*
  • Generous Company-paid Holidays

Onsite Team Member Job Perks

  • Relaxed/casual work environment
  • Standing desks
  • Recreational and Video games
  • Large breakroom and lounge
  • Stocked kitchen and fridges
  • Cappuccino machine
  • Onsite restaurant and daily food trucks
  • Offices conveniently located with quick access to I-4, SR-528, and Florida's Turnpike
  • Ample free parking

OneRail's Travel Policy for Remote Team Members

While OneRail allows remote work for certain posted roles, noted as "Remote Work Available" on the Company's website, a core requisite for all roles is that team members be willing and able to occasionally travel to OneRail's Orlando, Florida headquarters. All team members are required to participate in on-site onboarding at the onset of employment and then on an as-needed basis thereafter, as a condition of their employment.

To view more details about what is like to work at OneRail, or to view a full list of career opportunities, please visit https://www.onerail.com/careers/