Senior Software Engineer, User Authentication

1 week ago


Bucharest, Bucureşti, Romania Bolt Full time €90,000 - €120,000 per year

We are looking for an experienced Senior Software Engineer to join the User Authentication Platform team and help shape the future of secure, seamless authentication experiences across our apps. This involves exciting product challenges, such as implementing frictionless multi-factor authentication flows or building security features that empower our users to control their trusted devices and sessions, all with an end goal of providing a smooth and secure experience to our 200M+ global customers

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.

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

About The Role
As a Senior Software Engineer, you will be responsible for architecting, designing, developing, and deploying backend solutions that improve our user authentication platform. That will mostly happen via coding in and TypeScript (PS: no previous experience with 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. Engineers at Bolt have a heavy inclination towards product thinking, so you will get a chance to shape up and drive exciting product initiatives yourself, in partnership with your peer Product Manager.

Main tasks and responsibilities:

  • Designing, developing, A/B testing and deploying solutions that improve our user authentication flows
  • Building a deep understanding of our products and of the way they impact the business metrics and end users. 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 and positively impact the business
  • Leading features/initiatives from idea to the point where they bring positive, validated impact to the end users
  • 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 decisions that positively impact the business. Experience in product companies with a bias for properly experimenting their product hypotheses is a plus
  • You have a drive for leading initiatives and features till the end, even if the last mile is the hardest, and for monitoring and ensuring their success even after delivery
  • 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

Why you'll love it here:

  • Play a direct role in shaping the future of mobility.
  • Impact millions of customers and partners in 600+ cities across 50+ countries.
  • Work in fast-moving autonomous teams with some of the smartest people in the world.
  • Accelerate your professional growth with unique career opportunities.
  • Get a rewarding salary and stock option package that lets you focus on doing your best work.
  • Enjoy the flexibility of working in a hybrid mode with a minimum of 3 days in the office each week to foster strong connections and teamwork.
  • Take care of your physical and mental health with our wellness perks.
  • Some perks may differ depending on your location and role.


  • Bucharest, Bucureşti, Romania Algolia Full time 60,000 - 80,000 per year

    Algolia was built to help users deliver an intuitive search-as-you-type experience on their websites and mobile apps. We provide a search API used by thousands of customers in more than 100 countries. Billions of search queries are answered every month thanks to the code we push into production every day. As a Senior UI Software Engineer on the Connectors...


  • Bucharest, Bucureşti, Romania YOPESO Full time 60,000 - 120,000 per year

    Yopeso has been developing a diverse range of software products, from large-scale applications to smaller solutions, for 20 years. With a growing team of over 300 employees across five locations, we are dedicated to fostering a culture of growth, transparency, and professionalism.At Yopeso, we value authenticity, curiosity, and ambition. These values drive...


  • Bucharest, Bucureşti, Romania Software Mind Full time 60,000 - 120,000 per year

    Company DescriptionSoftware Mind develops solutions that make an impact for companies around the globe. Tech giants & unicorns, transformative projects, emerging technologies and limitless opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we're...

  • Software Engineer

    4 days ago


    Bucharest, Bucureşti, Romania Adobe Full time 80,000 - 120,000 per year

    Our CompanyChanging the world through digital experiences is what Adobe's all about. We give everyone—from emerging artists to global brands—everything they need to design and deliver exceptional digital experiences We're passionate about empowering people to create beautiful and powerful images, videos, and apps, and transform how companies interact...


  • Bucharest, Bucureşti, Romania VOX SOLUTIONS Full time €90,000 - €120,000 per year

    About VOXEstablished in 2010,VOX SOLUTIONShas been at the forefront of innovation in the voice and messaging marketplace. We are certainly not a start-up, but a scale up company with the ambition of becoming a major player in our industry with new and innovative solutions that can address the needs of our constantly evolving telecommunications landscape.Our...


  • Bucharest, Bucureşti, Romania Vox Solutions Full time €40,000 - €80,000 per year

    About VOXEstablished in 2010, VOX SOLUTIONS has been at the forefront of innovation in the voice and messaging marketplace. We are certainly not a start-up, but a scale up company with the ambition of becoming a major player in our industry with new and innovative solutions that can address the needs of our constantly evolving telecommunications


  • Bucharest, Bucureşti, Romania Booking Holdings Full time 30,000 - 60,000 per year

    Role Description:Booking Holdings Romania is a Center of Excellence based in Bucharest, Romania and was created to support the increasing business demands of the Booking Holdings Brands. The Center of Excellence provides access to specialized and highly skilled talent, leading industry best practices, and collaboration opportunities across all of our...

  • Senior UX Designer

    12 hours ago


    Bucharest, Bucureşti, Romania YOPESO Full time 40,000 - 60,000 per year

    Yopeso has been developing a diverse range of software products, from large-scale applications to smaller solutions, for 20 years. With a growing team of over 250 employees across five locations, we are dedicated to fostering a culture of growth, transparency, and professionalism.At Yopeso, we value authenticity, curiosity, and ambition. These values drive...


  • Bucharest, Bucureşti, Romania Nearform Full time €40,000 - €80,000 per year

    Senior Python SoftwareEngineer(Contract, Romania, Remote)This is a full time, Contract, remote opportunity for those based in Romania.About NearformNearform is an independent team of data & AI experts, engineers, and designers who build intelligent digital solutions and capability at pace. We create AI-enabled solutions that enhance digital experiences,...


  • Bucharest, Bucureşti, Romania Booking Holdings Full time €30,000 - €60,000 per year

    Booking Holdings Romania is a Center of Excellence based in Bucharest, Romania and was created to support the increasing business demands of the Booking Holdings Brands. The Center of Excellence provides access to specialized and highly skilled talent, leading industry best practices, and collaboration opportunities across all of our Brands.As part of our...