Senior Backend Engineer

About the role

Senior Backend Engineer | Bolt Careers Careers Engineering Senior Backend Engineer Senior Backend Engineer We are looking for an experienced Senior Backend Software Engineer to work on unique product challenges: complex algorithms for demand prediction, optimal real-time pricing, routing, fraud detection, distributed systems and much more. Volumes are growing at a steady pace. Location: Bucharest, Romania View all roles Apply now About the role As a Senior Software Engineer, you will be responsible for architecting, designing, developing, and deploying Bolt's growing backend systems. That will mostly happen via coding in Node.js and TypeScript (PS: no previous experience with Node.js is needed). You will be closely collaborating with key internal stakeholders to determine how to scalably design backend systems and APIs to meet their needs. Main tasks and responsibilities: Architecting, designing, developing, and deploying Bolt's growing backend systems (coding mostly in Node.js and TypeScript) Contributing ideas and constructive feedback to our product development roadmap Collaborating with key internal stakeholders to determine how to scalably design backend systems and APIs to meet their needs Helping lead features/initiatives from idea to positive execution Working closely with Product to slice and dice scope and deliver piece by piece Sharing your knowledge by giving tech talks, and promoting appropriate tech and engineering best practices in and outside of the team About you: You have experience of thriving in an environment that has a fast customer-feedback cycle and having empathy for the end-user You are great at making data-driven and metric-driven decisions You have a drive for leading initiatives and features till the end, even if the last mile is the hardest You feel at home with microservice architecture and you are experienced in API design You have strong principles towards writing clean, simple, secure, and maintainable code You possess solid understanding of algorithms and data structures Experience is great, but what we really look for is drive, intelligence, and integrity. So even if you don’t tick every box, please consider applying if you feel you’re the kind of person described above! Apply now and join us to make cities for people, not cars. First name Last name Email Phone Number + 372 Upload your CV Drop files here to upload or choose from your device Browse files Supported formats: .pdf, .docx (max. file size 5MB) Will you now or in the future need sponsorship for employment visa status to start or keep working with Bolt? Select an option Do you need special assistance due to disability? We are happy to provide reasonable accommodations. (optional) By responding, you consent to Bolt processing your disability data in accordance with our Privacy Notice . Where did you hear about Bolt? Select an option By ticking this box, I confirm that I have read and understand the content of the Privacy Notice and acknowledge that my personal data will be processed as part of this application. 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AI Disclaimer: We use Greenhouse's AI-powered Talent Matching tool to compare your application against our job requirements. Learn More Become part of our Engineering team *Some perks may differ depending on your location. Why you’ll love it here: Our engineers are at the forefront of innovation within some of the largest industries in the world. Are you up for the challenge? View team Accelerate your professional growth with unique career opportunities. Enjoy a rewarding salary and stock options, knowing that as Bolt succeeds, so do you. Take care of your physical and mental health with our wellness perks. Celebrate 5 years at Bolt with a 1-month paid sabbatical to recharge. Connect with colleagues at annual company events and smaller team gatherings. Balance flexibility and in-person collaboration with our hybrid model, including at least 12 monthly in-office days. About us With over 200 million customers in 50+ countries, Bolt is one of the fastest-growing tech companies in Europe and Africa. And it's all thanks to our people. Learn more We believe in creating an inclusive environment where everyone is welcome, regardless of race, colour, religion, gender identity, sexual orientation, age, or disability. Our ultimate goal is to make cities for people, not cars, and we need your help to achieve this mission! Quick links View all 240+ open roles Products Rides Scooters E-Bikes Bolt Drive Bolt Food Bolt Market Bolt Business Bolt Plus Earn Company Support Safety Locations City solutions Get Bolt Get Bolt Food Suppliers Terms and Conditions Privacy Cookies Security Community Guidelines © 2026 Bolt Technology OÜ