Senior Backend Engineer

2 weeks ago

Stockholm, Stockholm, Sweden d225bd59-9f77-49ff-bfdf-72e8f1922c1b Full time 120,000 - 150,000 per year

What you´ll do:

As an embed Senior Backend Engineer, you'll:

Migrate hundreds of millions of legacy users to the new system, automatically claiming existing usernames while safely handling validation errors and edge cases

Implement fallback logic for users who never set a username, ensuring every account has a unique and valid identifier.

Provide immutable, unrecognizable URL identifiers that can be safely used as public-facing profile links.

Integrate username and identifier generation into the account lifecycle, ensuring that every new account automatically receives a unique username and corresponding URL identifier.

Work with data pipelines and large-scale processing systems to ensure reliable, performant migration and synchronization of identity data.

Collaborate with engineers and PMs across User Platform, Social, and Client orgs to ensure seamless integration, scalability, and safety.

Who You Are

A Senior Backend Engineer experienced in designing, building, and operating large-scale distributed systems in Java.

Skilled at writing clean, maintainable, and testable code, with a strong focus on system reliability and performance.

Experienced in designing for scalability, resilience, and observability, with hands-on experience managing large volumes of data.

Able to lead technical design discussions, influence architecture, and collaborate effectively across multiple teams and domains.

Comfortable taking end-to-end ownership of complex projects — from design and implementation to production and maintenance.

Pragmatic, outcome-oriented, and able to balance technical quality, delivery speed, and user impact.

Passionate about user identity, data integrity, and building robust backend systems that support safe and social user experiences.

Start/End: to possible extension

Workplace: Remote in Sweden

  • Senior Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden Tenth Revolution Group Full time 600,000 - 800,000 per year

    Senior Backend-Focused Full-Stack EngineerLocation:Stockholm (Hybrid – office-first with flexibility)Type:Permanent employmentWe're looking for a Senior Backend-Focused Full-Stack Engineer to join a fast-growing tech company building a highly scalable platform in a high-traffic, high-availability environment. This is a chance to work on complex backend...

  • Senior Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden Podme Full time 90,000 - 135,000 per year

    Applications are considered on a rolling basis StockholmHybridJob DescriptionAre you passionate about designing secure, scalable backend systems? Do you enjoy working in collaborative teams that care deeply about product and code quality? Want to help shape the future of audio by building backend infrastructure that powers premium podcast and audiobook...

  • Senior Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden Storytel Full time 900,000 - 1,200,000 per year

    Stories have the power to make the ordinary extraordinary. They help us think bigger, see beyond ourselves, and deepen our connection with others.As one of the world's leading audiobook and e-book streaming platforms, Storytel brings unlimited listening to millions of users across 25 markets. Driven by our purpose, "Leading the future of storytelling, we...

  • Senior Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden Epidemic Sound Full time 120,000 - 150,000 per year

    Join our global force of 500+ innovators, blending the latest in tech with the greatest in soundtracking, from our Stockholm HQ to offices in London, New York, Los Angeles, Berlin, Oslo, and Seoul. We're an industry leader with a startup mentality. We take what we do seriously, but we don't take ourselves too seriously. Creating and collaborating to...

  • Senior Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden Soltia AB Full time 900,000 - 1,200,000 per year

    Company Description We are a consulting company with a bunch of tech-savvy and happy peopleWe love technology, we love design, and we love quality. Our diversity makes us unique and creates an inclusive and welcoming workplace where every individual is highly valued.With us, everyone can be themselves while respecting others for who they are. We believe that...

  • Senior Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden Epidemic Sound Full time 80,000 - 240,000 per year

    Join our global force of 500+ innovators, blending the latest in tech with the greatest in soundtracking, from our Stockholm HQ to offices in London, New York, Los Angeles, Berlin, Oslo, and Seoul. We're an industry leader with a startup mentality. We take what we do seriously, but we don't take ourselves too seriously. Creating and collaborating to...

  • Senior Backend Engineer – Platform

    2 days ago

    Stockholm, Stockholm, Sweden 360Player Full time 80,000 - 120,000 per year

    Location: Stockholm (In-office) Company: 360PlayerJob Type: Full-timeJoin the Global Leader in Sports TechnologyAt 360Player, we are redefining how sports clubs operate, develop players, and manage teams. As the world's leading all-in-one Club Operating System, we help clubs streamline every aspect of their operations—from scheduling and payments to...

  • Senior Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden Instabee Full time 80,000 - 160,000 per year

    About The RoleWe're looking for a Senior Backend Engineer to join our mission of creating seamless delivery experiences for our consumers across all consumer-facing products. You'll be developing and maintaining some of Sweden's most widely used delivery tracking services, using modern tools and technologies to create exceptional user experiences.Your future...

  • Senior Backend Engineer

    2 weeks ago

    Stockholm, Stockholm, Sweden Prisma Full time 120,000 - 180,000 per year

    At Prisma, we're redefining how developers work with databases. If you're fascinated by the cutting-edge data infrastructure powering companies like Twitter, Airbnb, and Facebook, but want the agility, ownership, and impact of a fast-moving startup, then Prisma is the place for you.Backed by top-tier Silicon Valley investors like Amplify Partners, Kleiner...

  • Backend Engineer

    2 days ago

    Stockholm, Stockholm, Sweden PayPal Full time 80,000 - 120,000 per year

    Delivers complete solutions spanning all phases of the Software Development Lifecycle (SDLC) (design, implementation, testing, delivery and operations), based on definitions from more senior roles. Advises immediate management on project-level issues Guides junior engineers Operates with little day-to-day supervision, making technical decisions based on...