Senior Software Engineer (Routing & Optimization)

Trafi (an Enghouse Company) offers a scalable and comprehensive MaaS (Mobility as a Service) platform designed to integrate complex transport networks into a single, user-centric application. The company’s white-label product enables cities and public transport authorities to connect various mobility options. These include public transport, car rental, taxi and micromobility (bicycles, scooters, etc.), integrated into a unified, truly multi-modal journey planning platform. Trafi’s solutions are trusted by major cities such as Berlin (Jelbi), Brussels (Floya), and Nottingham & Derby (Ride). We are searching for an experienced Senior Software Engineer to join our team responsible for journey planning. The team owns features responsible for calculating routes shown to users, after a user searches for a route in the mobile app. Work in this role involves developing route search algorithms as well as maintaining ingestion of public transit and related data from various sources, which feeds the route calculations. This is a Hybrid role based in our Vilnius office , offering the flexibility to work from home or the office according to your preference. In this position, you will report to the Team Lead, Software Engineer. Responsibilities: Ownership of system design, implementation and support Write high-quality C# code on the latest .NET stack Run .NET on Linux in container cluster (docker) Use Infrastructure as a Code to manage cloud infrastructure (terraform.io) Design distributed (micro)service architecture which processes data in real time Work extensively with Amazon Web Services infrastructure (we use 30+ AWS services) Mentoring less experienced colleagues Instrument and monitor code Check-out our tech stack here: https://stackshare.io/trafi/trafi Qualification and Experience: 5+ years of experience working with C#, APIs Design fault tolerant, production ready, cost-efficient systems on cloud Willingness & feeling comfortable working in dynamic environment with evolving objectives and iteration with users Strong problem-solving skills and a passion for working with clients to solve their problems Fluent English Salary: The salary range for this position is 5,500 – 6,666 EUR gross per month (66,000 – 80,000 EUR gross per year). What we offer: Work Your Way. Enjoy the flexibility to work remotely. Our office is located in Vilnius when you want to drop by and say hi! Talented Colleagues. Collaborate with colleagues who are experts in their fields, fostering an environment of learning and growth. Health Benefits. We've got your well-being covered with medical insurance, ensuring you're in great shape. Additionally, you can personalize your wellness options using Stebby. Convenient Commuting. Take your pick between parking options or a monthly allowance for the Trafi app, so you can get to work without stress. Secure Your Future. Thinking ahead? We offer the option to allocate a part of your salary to a pension fund for your stable future. About Us: In April 2025, Trafi was acquired by Enghouse, a global enterprise software company listed on the Toronto Stock Exchange (TSX: ENGH). With this acquisition, Trafi continues to scale its impact, delivering white-label platforms that help cities reduce emissions, simplify urban mobility, and reclaim their streets through fully integrated, multi-modal transport solutions. You can be confident that our recruitment and hiring processes will be adjusted to accommodate disabilities if requested. Enghouse is an equal opportunity employer. We’re grateful to everyone who applies. All applicants will receive a status update, and those selected for interviews will be invited to the next stage. #LI-ET8 #LI-Hybrid