Kaisa Technologies AB jobb

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.

Join our global team in designing and automating personalized customer experiences at scale. At Kaisa, we understand that our greatest asset is our talented and diverse team. We pair high-stakes global ambition with a low-ego culture, ensuring that while we’re serious about our growth, we’re just as serious about enjoying the journey together. We believe in creating an environment that fosters personal growth, professional development, and overall well-being. Regardless of where you are in the world, our commitment to your success and happiness remains unwavering. We have 5 important values which drive us each day: Innovate with agility Win together Own it Champion Sustainability and Diversity Spread the vibe About the Role: Join Kaisa's dynamic Business Operations team and be a driving force in our continued growth! As our Project Manager, you'll orchestrate seamless onboarding experiences for new clients, ensuring their success and solidifying our reputation. You'll also spearhead critical internal projects, collaborating across departments to optimize processes and achieve strategic goals. If you're a results-oriented project manager with a passion for customer satisfaction and a knack for problem-solving, we want to hear from you! Key Responsibilities: Own and deliver onboarding projects end-to end: Lead customer onboarding from kickoff to go-live: translate business needs into clear project plans, define scope and manage timelines, milestones and deliverables. Ensure predictable and high-quality delivery: Drive projects to completion on time and within scope, proactively managing risks, dependencies, and escalations to maintain momentum and customer confidence. Act as the central coordination point: Serve as the primary interface between customers and internal teams ensuring alignment, clear communication and fast decision-making. Drive clarity, structure and accountability: Establish clear next steps, ownership and success criteria across all stakeholders. Maintain transparency through regular updates and structured follow-ups. Improve and scale onboarding operations: Identify areas for improvement, contribute to playbooks and templates, and standardize best practices to increase delivery efficiency and consistency. Contribute to a customer-centric team culture: Collaborate cross-functionally, share knowledge, and reinforce a high standard of customer experience across all onboarding interactions. Support organisational compliance and security processes: Assist with administrative aspects of Information Security and compliance initiatives (e.g., coordinating documentation, supporting audits and security reviews) in collaboration with internal stakeholders. Qualifications: Proven project management experience in B2B SaaS, with exposure to customer onboarding and/or technical implementations (e.g. integrations, product configuration or solution deployment). Strong stakeholder management and communication skills, with the ability to align technical and non-technical audiences and drive decisions across customer and internal teams. Technical fluency (not engineering-level). Ability to understand and discuss APIs, integrations, data flows and system dependencies and translate them into actionable project plans. Ability to manage ambiguity and drive momentum in fast-paced environments, proactively identifying risks, resolving blockers and maintaining delivery progress. Strong organisational and execution skills: Capable of managing multiple concurrent projects, prioritizing effectively and maintaining high attention to detail. Customer-centric mindset with commercial awareness: Understand how onboarding impacts adoption, retention and expansion and successfully balance customer needs with internal capacity. Proficiency in integrating generative AI and automation tools into daily workflows to streamline project documentation, summarize technical requirements, and enhance reporting efficiency will be considered a bonus. Benefits: Comprehensive health care allowance. Generous retirement contribution. Flexible and remote work options for optimal work-life balance. Regular team events in France, Sweden, and the UK, fostering strong team connections. A supportive and collaborative team environment that values both your professional and personal growth.

About the role We are looking for an experienced Software Engineer with deep expertise in building scalable backend systems, distributed microservices, and modern cloud-based infrastructure as well as a demonstrated interest in or experience with GenAI and LLM technologies.  This role is ideal for someone who thrives on solving complex architectural challenges and has a strong track record of building and deploying reliable, high-performance software systems at scale. You will be instrumental in designing core systems, APIs, and data flows, while contributing to the evolution of our infrastructure. You’ll collaborate across cross-functional teams to deliver robust solutions, audiovisual data processing, and modern AI/LLM systems and workflows. Key Responsibilities and Qualifications Design, develop, and maintain scalable backend services using one or more of: TypeScript, Node.js, PHP, and Python Design and build powerful REST APIs. Design and and take full cycle ownership of distributed microservices Familiarity with Generative AI technologies and Large Language Models Design, optimize, and manage relational and NoSQL databases including MySQL, DynamoDB, Redis, and Apache Druid Define and implement infrastructure as code using Terraform on AWS Build and maintain robust CI/CD pipelines 5+ years of professional software development experience Bachelor’s degree in Computer Science, Artificial Intelligence,  Machine Learning or similar field. Proven ability to work in fast-paced, cross-functional environments Nice to have Solid foundation in machine learning, AI, and statistical methods Hands-on experience deploying and managing both cloud-native and self-hosted services Experience with VOIP telephony stacks including Asterisk and Kamailio 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.

About the role This role sits at the intersection of Generative AI and Real-Time Audio Processing. You will be a lead builder in our AI evolution, designing agents that don't just "chat," but reason, plan, and act. You’ll collaborate with a passionate cross-functional team to push the boundaries of automated telephony and personalized engagement. What You’ll Do Architect Autonomous Agents: Build sophisticated agents using frameworks like Google ADK and OpenAI Agents SDK capable of tool-calling and multi-step reasoning. Master the Voice Stack: Implement and optimize real-time Voice AI pipelines integrating STT and TTS engines (e.g., Deepgram, ElevenLabs, Whisper). Solve for "The Latency Gap": Engineer high-performance solutions to minimize delay, ensuring human-like conversational fluidity in voice interactions. Build the Infrastructure: Develop robust backend orchestration in Python and TypeScript, leveraging RAG to ground agents in business data. Deploy at Scale: Use Terraform and AWS to manage AI/ML infrastructure, ensuring our "brains" are as reliable as they are smart. Iterate with Data: Design and maintain rigorous evaluation suites to measure agent performance and conversational accuracy. Who You Are An AI Specialist: You have a Bachelor’s in CS or AI/ML and 3+ years of professional experience in software or ML engineering. A "Builder" Mentality: You enjoy moving from a research paper to a production-ready feature. Technically Polyglot: Proficient in Python, with a strong preference for experience in TypeScript/Node.js. Data-Driven: You understand that an LLM is only as good as its grounding and its evaluation metrics. Bonus points if you have: Experience with WebSocket streams and real-time audio buffer handling. Familiarity with VOIP/SIP stacks (Asterisk, Kamailio). A foundation in Digital Signal Processing (DSP). Hands-on experience with containerized AI service deployment. 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 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. We know that some people may hesitate to send their application if they feel they don't correspond to all the points of the job description. But if you feel that Kaisa and our diversity are made for you, please send us your CV! Öppen för alla Vi fokuserar på din kompetens, inte dina övriga förutsättningar. Vi är öppna för att anpassa rollen eller arbetsplatsen efter dina behov.