Backend Software Engineer

14 hours ago


Stockholm, Stockholm, Sweden Kisi Full time

We're seeking a skilled Backend Developer to join our dynamic team at Kisi. As a key member of our team, you'll play a crucial role in designing, developing, and optimizing our API endpoints for internal and external API users, as well as our growing fleet of hardware devices.

The ideal candidate will have a solid background in backend development, with experience in programming languages such as Ruby and a passion for building innovative solutions.

About the Role

As a Backend Developer at Kisi, you'll work closely with our data team to bring advanced insights to our customers through data pipelines.

  • Develop and maintain scalable backend systems and APIs. Collaborate with frontend developers to ensure seamless integration with user interfaces.
  • Write clean, scalable code in languages like Python, Java, or Ruby. Conduct thorough testing and debugging to ensure backend reliability.
  • Design and optimize SQL and NoSQL database schemas. Ensure data integrity and enhance performance through efficient query optimization.
  • Utilize Git for effective code management. Maintain clear documentation of code changes and system architecture.
  • Work with designers and product managers to deliver features on time. Stay updated on backend technologies and continuously improve technical skills.
Key Skills
  • Proficiency in backend development frameworks such as Ruby on Rails or Django.
  • Experience with SQL and NoSQL databases, including MySQL, PostgreSQL, Redis, and MongoDB.
  • Strong understanding of version control systems, including Git.
  • Familiarity with integrated development environments (IDEs) such as VSCode, IntelliJ IDEA, or Eclipse.
  • Ability to design, develop, and implement APIs using frameworks such as Ruby on Rails or Django.
  • Understanding of testing methodologies and hands-on experience with testing frameworks like Minitest and RSpec.
  • Familiarity with cloud platforms such as AWS (Amazon Web Services) or GCP.
  • Proficiency in using project management software such as GitHub, Slack, Google Meet.


  • Stockholm, Stockholm, Sweden Sinch Full time

    Company OverviewSinch is a leading company in customer communications. With over 150,000 businesses relying on our Customer Communications Cloud, we empower engaging customer experiences through mobile messaging, voice, and email.Job DescriptionAs a Backend Software Engineer at Sinch, you will be responsible for developing and maintaining high-performing...


  • Stockholm, Stockholm, Sweden TN Sweden Full time

    Company OverviewWe are a leading provider of innovative solutions in the gaming industry. Our team is committed to delivering high-performance, low-latency systems that enable our players to enjoy a seamless gaming experience.As we continue to grow and expand our operations, we are seeking a highly skilled Backend Software Engineer to join our NetEnt Core...


  • Stockholm, Stockholm, Sweden True Software Scandinavia AB Full time

    Truecaller OverviewWe are True Software Scandinavia AB, a leading technology company dedicated to making communication smarter, safer, and more efficient. Our mission is to build trust everywhere by providing innovative solutions that protect users from fraud, harassment, and scam calls or messages.With over 420 million active users per month, we are the top...


  • Stockholm, Stockholm, Sweden Assessio Norge AS Full time

    Are you looking for a challenging role in software development? Assessio Norge A/S is a leading provider of talent assessment solutions in the Nordics and the Netherlands. We are seeking an experienced Backend Java Developer to join our team.Job OverviewThe successful candidate will play a critical role in building scalable, resilient, and secure...


  • Stockholm, Stockholm, Sweden Legora Full time

    **About Legora**We empower lawyers and automate legal work by developing innovative software solutions. Our goal is to enable human-AI collaboration, making legal professionals more effective.As a Backend Engineer at Legora, you will build and maintain scalable web applications using cutting-edge technologies such as Node.js, Python, Postgres, and...


  • Stockholm, Stockholm, Sweden Functional Scala Full time

    We're seeking talented Software Engineers to join our NetEnt Core Platform team in Stockholm. In this role, you'll contribute to backend applications managing the logic of our 300+ first-person casino games.This position demands:Exceptional coding skillsStrong unit and automated testing expertiseExcellent collaboration and communication skillsPassion for...


  • Stockholm, Stockholm, Sweden Gilion Full time

    Gilion accelerates founders in their growth journey through our innovative platform.About the Role:As a senior backend engineer at Gilion, you will be part of a cross-functional product team working alongside developers, designers, and machine learning specialists. Our tech team iterates fast, measuring user behavior and verifying bets through user testing....


  • Stockholm, Stockholm, Sweden TN Sweden Full time

    We are seeking an experienced Senior Software Engineer to join our team at Qbtech. As a key member of our development team, you will be responsible for building the backend of our test platform using Kotlin.ResponsibilitiesYour duties will include:Designing and implementing new product features and stories.Code reviews and testing.Maintenance and improvement...


  • Stockholm, Stockholm, Sweden Vipas Full time

    Overview:VIPAS AB is an IT consulting company that helps businesses achieve their goals through innovative solutions. We believe in creating efficient, scalable, and innovative business technology that perfectly aligns with your objectives.About Our Team:Our team consists of experienced professionals who are well-versed in software development, DevOps, and...


  • Stockholm, Stockholm, Sweden Epidemic Sound Full time

    At Epidemic Sound, we're a global force of innovators who blend the latest tech with great soundtracking. Our Stockholm HQ and offices in London, New York, Los Angeles, Berlin, Oslo, and Seoul are hubs for creative collaboration. We take what we do seriously, but not ourselves.We're looking for an Experienced Backend Engineer to join our team in Stockholm....


  • Stockholm, Stockholm, Sweden TN Sweden Full time

    We are looking for a talented Backend Engineer to join our team, someone who is passionate about building scalable and maintainable software systems. As a key member of our customer's Digital Factory & Automation digital infrastructure development team, you will be responsible for designing, developing, and deploying high-quality backend applications.About...


  • Stockholm, Stockholm, Sweden Quinyx Full time

    Quinyx is a dynamic, agile tech company driving innovation in workforce management solutions. As a Senior Backend Engineer, you'll play a crucial role in developing our cloud-based system, leveraging cutting-edge technologies.What You'll DoYou'll join a collaborative R&D team, working closely with backend and frontend engineers, QA engineers, product owners,...


  • Stockholm, Stockholm, Sweden TRUESEC AB Full time

    About UsTruesec AB is a Swedish company that specializes in cybersecurity. We have been at the forefront of protecting our society against cyber threats since 2005. Our goal is to create safety and sustainability in a digital world by preventing cyber breaches and minimizing their impact.We believe in a holistic approach to cybersecurity, covering the entire...


  • Stockholm, Stockholm, Sweden Alf Full time

    At Alf, we're passionate about innovation and empowering our customers to take control of their homes. As a Senior Backend Engineer, you'll be at the forefront of designing and building cutting-edge backend services that power our IoT solutions.You'll collaborate closely with teams across security, DevOps, and data analysis to ensure seamless, high-quality...


  • Stockholm, Stockholm, Sweden Sleip Full time

    About SleipSleip is a pioneering technology company that specializes in computer vision software for biomechanical motion quantification and measurements. Our cutting-edge AI model processes video recordings to extract detailed movement patterns, which helps identify, assess, diagnose and monitor lameness in horses.We cater to equine veterinary practices...


  • Stockholm, Stockholm, Sweden TN Sweden Full time

    We are seeking a skilled Backend Engineer to join our client's Data Platform team at TN Sweden. The ideal candidate will have experience in designing, building, and developing scalable infrastructure services and tools using Java.The successful candidate will collaborate with product and engineering teams to build and support the infrastructure that empowers...


  • Stockholm, Stockholm, Sweden Warmstealth Full time

    We are a fast-growing IoT-tech scale-up from Stockholm building a programmable virtual networking integration platform. Our mission is to provide innovative solutions for the connected experience at scale.We specialize in products in Integration Function as a Service (iFaaS) and Programmable VPC that are predominantly used within the car industry...


  • Stockholm, Stockholm, Sweden Techster Solutions Full time

    Techster Solutions is currently undergoing an exciting growth phase and is seeking more colleagues to join the team, including a Mid-Senior Backend Engineer with at least 5+ years of experience.In this role, you will be responsible for helping our clients build and maintain the infrastructure responsible for driving users to sign up for the paid product in...


  • Stockholm, Stockholm, Sweden Elekta AB Full time

    Technical RequirementsWe are seeking a highly skilled Senior Software Development Engineer with experience working with frontend and backend technologies.In this role, you will be responsible for designing and implementing user workflows for radiation therapy products and contributing to the innovation of radiotherapy solutions.You will work closely with a...


  • Stockholm, Stockholm, Sweden TN Sweden Full time

    Job DescriptionWe are looking for a talented Software Engineer to join our IoT Management workstream. This individual will be responsible for designing and implementing systems that enable our customers to troubleshoot and maintain their clean energy-tech equipment remotely. The ideal candidate will have experience with backend development, including...