Kaisa Technologies AB jobb

About the role As a Senior Software Engineer, you’ll play an important role in building and evolving our products. You’ll be part of a collaborative engineering team, working closely with Product and Engineering to solve interesting problems and help shape our technology as we grow. You’ll have the opportunity to work hands-on with modern backend technologies and AI, while contributing to the way we design, build, and improve our systems. We value people who are curious, pragmatic, and enjoy sharing ideas and learning from others. What you'll do You’ll design, build, and evolve scalable backend services, APIs, and event-driven systems. You’ll contribute to architectural decisions, help improve the quality and scalability of our technology, and work with the team to address technical challenges and opportunities. You’ll also work closely with Product to turn business needs into technical solutions and help bring new ideas into production. A part of the role will be exploring and integrating AI capabilities, including LLMs and agentic workflows, as well as using AI tools to improve how we develop software. As a senior member of the team, you’ll also support and mentor other engineers, contribute to technical discussions, and help create a collaborative environment where the team can do great work. What we're looking for You likely have 5+ years of professional backend experience, think carefully about architecture, and are genuinely curious about AI — while staying comfortable working across a broad range of domains and shifting priorities. More specifically: Backend Expertise: Strong experience with Node.js and TypeScript. Architecture & Microservices: Experience designing, building, and scaling distributed microservices and APIs. AI & LLMs: Experience working with AI agents and integrating LLM-based workflows into production systems. Cloud & Infrastructure: Hands-on experience with AWS, Terraform, and automated CI/CD pipelines. Database Management: Comfortable working with both SQL and NoSQL databases, such as MySQL, DynamoDB, and Redis. AI Development Tools: Experience using AI development tools to support and improve everyday engineering workflows. Experience with Python and PHP is considered a plus. A degree in Computer Science, AI, Machine Learning or similar is a plus but equivalent experience counts just as much. Alongside technical skills, we value how you approach problems and work with others. As a senior engineer, you’ll have an opportunity to contribute beyond your own code — sharing knowledge, helping the team move forward, and creating a positive environment where people can do their best work. Leadership & Mentorship: Enjoys sharing knowledge, supporting teammates, and helping others grow. Ownership & Initiative: Takes responsibility for their work and is comfortable making decisions while involving others when needed. Clarity & Communication: Able to make complex topics easier to understand and communicate clearly with both technical and non-technical colleagues. Positive Mindset & Resilience: Approaches challenges and change with a constructive, curious, and solution-oriented mindset. Agile Collaboration: Enjoys working closely with Product and Engineering, embracing collaboration, flexibility, and open feedback. Our ways of working Each team has clear responsibilities and goals — and the freedom to find the best solution together. We have an agile approach, closely integrated Product and UX teams, and we use modern frameworks and the best tools available. We work flexibly, with a strong focus on delivering quality and creating real value for our customers. We take our work seriously, while creating an environment where people can enjoy what they do, grow their skills, and support each other. Learning and knowledge sharing are a natural part of how we work. Where you'll be and how you'll work We have three offices: London, Uppsala, and Paris. This role is based in Uppsala. We work business hours, but we understand that life sometimes gets in the way. Kaisa Culture What makes Kaisa stand out? Our values, guiding us every day: Innovate with Agility — We move fast, think creatively, and adapt seamlessly. Win Together — Success is a team effort, and we celebrate it as one. Own It — Accountability drives progress, and we take pride in our work. Champion Sustainability and Diversity — We foster inclusivity and make responsible choices. Spread the Vibe — A positive atmosphere fuels great ideas and connections.

About the role At Kaisa, IT is what keeps everything moving. As our IT System Administrator, you'll be the person behind the scenes making sure our team can do their best work every day, from a new hire's first laptop to keeping our systems secure and running smoothly. You'll be part of the Support team but work closely with Engineering, Business Operations and People teams on a daily basis. If you are someone who genuinely loves technology, takes pride in making things work, and enjoys helping people — this might be the right place for you. What you will be doing Setting up laptops and accounts for new hires so they are ready to go on day one Supporting the team with day-to-day IT questions and issues via our ticketing system Managing device compliance and security through Jamf (our MDM tool) Keeping our office network, Wi-Fi and meeting rooms audiovisuals running well Running regular access reviews across our tools and platforms Supporting onboarding and offboarding end-to-end on the IT side Maintaining our Google Workspace, Slack and other SaaS tools Working with Engineering on AWS access and permissions Building out documentation and self-service resources so the team can help themselves What we are looking for Some hands-on experience with networking (Wi-Fi, DNS, TCP/IP basics) Genuine curiosity and enthusiasm for IT and technology — we value willingness to learn over a perfect CV. Comfortable working with Apple devices and macOS Some practical experience — whether from a formal role, a bootcamp, or an internship Nice to have: Experience with Jamf or another MDM tool Familiarity with Google Workspace, Slack or Atlassian tools Basic scripting skills (Bash, Python or similar) Experience with AWS IAM You as a person: You communicate clearly — you can explain a technical issue to someone non-technical without making them feel lost You are organised and self-directed — you can manage your own queue and follow through without being chased You are a team player who genuinely wants to help colleagues get things done What you will get: We believe great work deserves great support. Here's what comes with the role: 🌍 A truly international team — we are a diverse, multicultural group of people spread across multiple countries, where different backgrounds and perspectives are genuinely celebrated. 🤝 A team worth showing up for — regular office events, two company offsites a year, and a culture where people genuinely like each other 💪 Your health, covered — 5,000 SEK wellness contribution, access to online psychology support through Mindler, and full accident and life insurance 🌴 Time to recharge — 30 days holiday and 3 sustainability days to give back to causes you care about Location: Uppsala Working language: English, strong written and verbal communication Office: This is a hands-on role that requires regular office presence Kaisa Culture What makes Kaisa stand out? Our values, guiding us every day: Innovate with Agility — We move fast, think creatively, and adapt seamlessly. Win Together — Success is a team effort, and we celebrate it as one. Own It — Accountability drives progress, and we take pride in our work. Champion Sustainability and Diversity — We foster inclusivity and make responsible choices. Spread the Vibe — A positive atmosphere fuels great ideas and connections.

About the Role Are you looking for a role where your talents are truly valued and your professional growth is a priority? We are looking for a Voice Developer with deep expertise in real-time communication systems and a passion for bridging the gap between high-quality code and robust infrastructure. But you won't just be filling a seat; you’ll be joining an excellent team of talented colleagues. We are looking for someone with a passion for bridging the gap between high-quality code and robust infrastructure. This role is ideal for a developer who thrives on the unique challenges of VoIP, solving complex routing logic, managing media servers, and ensuring the reliability of global voice traffic. You will be the driving force behind developing our core SIP applications and the associated developer experience tools. While your primary focus is software development, you are someone who "speaks" infrastructure, ensuring our real-time communication stacks are scalable, automated, and resilient. You’ll collaborate across cross-functional teams to deliver seamless, high-performance voice solutions within our modern cloud environment. Key Responsibilities and Qualifications SIP & Media Development: Design, develop, and maintain SIP-based applications using Kamailio, alongside media servers like Asterisk. Application Ownership: Take full-cycle ownership of telephony-related applications and integrations (developed in mainly Python and PHP) CI/CD & Automation: Build and maintain robust deployment pipelines. Developer Experience: Improve the local development environment and build automated testing frameworks to streamline how we ship voice features. Linux Systems: Manage day-to-day operations, troubleshooting, and application deployments within a Linux environment. Collaboration: Work closely with other engineering teams to ensure our voice infrastructure delivers maximum value to our customers. Innovation: Interest in Generative AI and LLMs. Nice to have Cloud Infrastructure: Experience managing voice-specific architectures within AWS. Systems Architecture: Deep understanding of redundancy, security, and performance optimization for real-time media. Monitoring & Observability: Expertise in telephony-specific monitoring (e.g., automated call testing and Kamailio-specific alerting) and general dashboarding. Infrastructure as Code: Familiarity with tools like Terraform for managing cloud-native services. Familiarity with Generative AI technologies and Large Language Models Design, optimize, and manage relational databases like MySQL Our Ways of Working Each team has clear responsibilities and goals and the freedom to collaborate on the optimal design for the products and solutions we build. We want to hear your opinion! We have an agile approach to processes and teamwork and we constantly evaluate and adapt. Our Product and UX teams are closely integrated with development. We use modern frameworks and the best tools available. We work flexibly and have fun at work. Delivering customer value is as important as the wellbeing of our friends and colleagues. We value personal growth and encourage learning, and embrace every opportunity to share knowledge in the team. Where you’ll be and how you’ll work We have three offices: London, Uppsala, and Paris. This role is based in the Uppsala office. We work business hours, but we understand that life sometimes gets in the way. Kaisa Culture What makes Kaisa stand out? Our values, guiding us every day: Innovate with Agility - We move fast, think creatively, and adapt seamlessly. Win Together - Success is a team effort, and we celebrate it as one. Own It - Accountability drives progress, and we take pride in our work. Champion Sustainability and Diversity - We foster inclusivity and make responsible choices. Spread the Vibe - A positive atmosphere fuels great ideas and connections.

Join the Mission At Kaisa, we are transforming life’s most important purchases—like buying a car or a home—into exceptional customer journeys. We believe the future of engagement is driven by AI, but AI is only as powerful as the data it learns from. We are looking for a Senior Data Engineer to lead the charge in building the scalable, high-velocity infrastructure that turns millions of interactions into the fuel for our conversational intelligence products. The Role This is a pivotal position where data infrastructure meets cutting-edge product strategy. As a Senior Data Engineer, you will take full ownership of our data platform, leading the design of pipelines that don’t just power dashboards, but serve as the foundation for autonomous agents and real-time automation. You will be a high-impact architect, mentor, and strategist. What You’ll Do Architect Scalable Pipelines: Design and build robust ETL/ELT pipelines using Python and AWS services to handle high-velocity data. Evolve Data Infrastructure: Drive the evolution of our data architecture, ensuring it scales from today’s needs to the future demands of AI/ML. Collaborate Cross-Functionally: Work closely with Engineering, Product and Business teams to translate high-level strategy into technical roadmaps. Ensure Data Excellence: Define and drive data quality frameworks, automated testing, and validation processes to ensure our "fuel" is always high-grade. Lead Governance & Security: Implement best practices for data modeling, warehousing, and privacy regulations (GDPR) to safeguard sensitive information. Mentor and Influence: Shape team best practices and mentor other engineers, fostering a culture of technical excellence. Who You Are An Established Engineer: You have solid experience building scalable data systems and a deep understanding of data warehousing and governance. Technically Proficient: Hands-on expertise with Spark, Python and AWS (EMR, Redshift, Glue). A "Problem Solver": You enjoy turning messy, raw data into clean, actionable systems and have experience with streaming technologies (Kafka, Kinesis). A Natural Leader: You are confident in technical conversations, able to share context across tech and non-tech audiences, and driven to own your projects. Bonus points if you have: Experience with Infrastructure as Code (Terraform, Kubernetes). A background in data-driven product experimentation or analytics. Experience contributing directly to organizational data strategy. Where You’ll Be Our roots are in Sweden, but our reach is international. This role is based in our Uppsala office, working in a hybrid capacity. We embrace flexible "business hours" because we know that life doesn't always fit into a 9-to-5 box. Kaisa Culture What makes Kaisa a unique place to build a career? Our values aren't just posters on the wall; they guide our daily decisions: Innovate with Agility – We move fast, think creatively, and adapt seamlessly. Win Together – Success is a team effort, and we celebrate it as one. Own It – Accountability drives progress, and we take pride in our work. Champion Sustainability and Diversity – We foster inclusivity and make responsible choices. Spread the Vibe – A positive atmosphere fuels great ideas and connections. About Kaisa Since our inception in Uppsala, Sweden, we have grown to include offices in London and Paris. At Kaisa, we understand that our greatest asset is our talented and diverse team. We believe in creating an environment that fosters personal growth, professional development, and overall well-being. Founded in 2009.