Kafka Engineer
ConsultingIT Stockholm AB
Mjukvaru- och systemutvecklare m.fl.

Vi söker nu en Engineer med fokus på Apache Kafka – en nyckelroll för dig som är tekniskt nyfiken, gillar Linux/DevOps-miljöer och vill fördjupa dig i eventdrivna plattformar på riktigt. Här får du arbeta on-prem i en avancerad miljö byggd av några av Sveriges skarpaste tekniker. Här får du både lära dig, påverka, bygga och drifta – oavsett om du är mer junior eller redan erfaren inom Kafka. Rollen Som Kafka Engineer blir du en central del av driftsorganisation inom Technology. Du arbetar med att utveckla, förvalta och säkra en skalbar och stabil Kafka-plattform som möjliggör realtidsdataflöden i kritiska system. Du kommer att: • Designa, implementera och underhålla Kafka-kluster och integrationskomponenter • Övervaka prestanda, tillgänglighet och säkerhet • Hantera incidenter och problem enligt etablerade processer • Samarbeta nära utvecklare, plattformsteam och säkerhetsfunktioner • Dokumentera lösningar och bidra till kunskapsdelning i teamet • Delta i förändringsarbete och vidareutveckling av plattformen Du arbetar både proaktivt och handlingskraftigt reaktivt – och får en unik möjlighet att se och påverka infrastrukturen från grunden. Vem är du? Vi söker dig som har en stark vilja att lära dig, gillar teknisk bredd och brinner lite extra för Kafka eller eventdrivna plattformar. Du behöver inte ha byggt Kafka från scratch tidigare – här finns experter och konsulter som stöttar – men du har ett intresse för hur saker fungerar på djupet. Du trivs i en reglerad och säkerhetskritisk miljö och ser värdet i struktur, policyer och tydliga change-flöden. Vi ser gärna att du har: • God kunskap om Linux • Erfarenhet av DevOps/CI/CD • Erfarenhet av Ansible eller annan IaC • Intresse för, eller erfarenhet av, Apache Kafka ur ett infrastrukturellt perspektiv • Erfarenhet av containerplattformar som Kubernetes/Docker • Förståelse för säkerhet, accesshantering och drift i miljöer med höga krav • God kommunikations- och samarbetsförmåga Meriterande: • Erfarenhet av eventdriven arkitektur • Monitoringverktyg som Prometheus, Grafana eller ELK/EFK • Erfarenhet av molnbaserade Kafka-tjänster (t.ex. Confluent Cloud, AWS MSK) Varför arbeta hos oss? Här erbjuds du möjlighet att arbeta långsiktigt och tekniskt djup i en strategiskt viktig plattform. Du blir en central del av ett högkompetent team som värdesätter kvalitet, innovation och samarbete – och där din kompetens verkligen gör skillnad. Tjänsten gäller en långsiktig anställning hos kunden.  Vill du vara med och modernisera framtidens data- och integrationsplattformar? Skicka in din ansökan så återkommer vi med mer information om nästa steg.

17 februari 2026
Sista ansökan:
16 augusti 2026
Senior Cloud and Data Platform Architect
Qbtech AB
Mjukvaru- och systemutvecklare m.fl.

Would you like to take part in transforming healthcare? Qbtech is the global market leader in professional ADHD tests, providing tests that are both CE marked and FDA cleared for use as an aid in the assessment and treatment evaluation of ADHD for people age 6-60. Our vision is to transform healthcare by providing a complete system of leading objective tests, products and services that empowers clinical and financial decision-makers to improve outcomes and support patients to better understand their symptoms and treatment. Qbtech is present in 14 countries with offices in Stockholm, London and Houston. Over the next years, Qbtech will make significant investments into new products, technologies and people to further strengthen their services and product offerings with the aim of building an ecosystem with solutions for providers, clinicians and patients. About the role As Senior Cloud & Data Platform Architect, you shape and operate Qbtech's cloud and data platforms. The Platform Team drives security engineering, infrastructure quality, and reusable patterns that enable product and data teams to deliver quickly and safely. Your scope covers platform governance, runtime hosting, data engineering infrastructure, and internal integration platforms - including ownership of networking, deployment architecture, DNS, and identity and access management. You combine hands-on engineering with architectural leadership to design scalable, secure, and cost-efficient systems supporting AI/ML and analytics workloads. Success in this role comes from broad technical understanding, adaptability, and a drive to simplify and evolve Qbtech's platform. The role has a hybrid office set-up; at least 3 days in the office in Stockholm. Essential Duties and responsibilities Lead the design and evolution of cloud governance, security frameworks, and best practices. Develop and maintain reusable infrastructure modules, blueprints, and playbooks using Infrastructure as Code. Architect AWS solutions for hosting, networking, data, and integration - serverless-first and well-architected by design. Design and evolve Qbtech's data platform across ingestion, processing, and serving layers (e.g. Iceberg, Glue, Athena, Python and Java pipelines). Ensure the platform supports scalable AI/ML and analytics workloads. Build internal integration services using event-driven patterns. Collaborate with engineering, data, and analytics teams to deliver reliable, scalable solutions. Promote cloud, data, and security best practices through documentation, reviews, and mentoring. Participate in shared on-call responsibilities for core platform services. Who are you? We value depth in some areas and breadth across others - you don't need to master every technology listed, but you should be comfortable navigating most of them. Cloud & Security Strong experience with AWS core services for compute, networking, data, and identity management. Ability to apply governance and security principles at scale. Infrastructure & Architecture Proficiency in Infrastructure as Code and automation (e.g. Terraform, CDK, or similar). Experience with event-driven and serverless architectures. Familiarity with monitoring, observability, and incident management practices. Ability to design solutions that balance simplicity, scalability, and portability. Data & Automation Knowledge of data lake and ETL frameworks (e.g. Iceberg, Glue, Athena). Proficiency in Python and Java for automation, data engineering, or AI workflows. Understanding of modern data and AI/ML pipelines. Professional skills Strategic thinker with strong problem-solving, communication, and collaboration skills. Adaptable and able to connect domains, guiding teams through change. We are looking for someone who has  Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience. At least five years of relevant professional experience. Proven background in cloud or data platform engineering and architecture roles. Experience designing secure, scalable platforms for AI/ML and analytics solutions. Fluent in English. What can Qbtech offer you? At Qbtech you will have the opportunity to work with something meaningful that helps people understand ADHD while transforming healthcare. You will work in an international environment together with some of the leading experts in the world. You will lead the development of best in class as well as first in class products and services – globally. There are plenty of opportunities to learn and grow and to expand into other technologies within the company. Qbtech also offers education and certifications in fields that are relevant to the technology used within the company.

16 februari 2026
Sista ansökan:
12 augusti 2026
Senior Software Engineer (Backend) - Java & Kotlin
Qbtech AB
Mjukvaru- och systemutvecklare m.fl.

Would you like to take part in transforming healthcare? Qbtech is the global market leader in professional ADHD tests, providing tests that are both CE marked and FDA cleared for use as an aid in the assessment and treatment evaluation of ADHD for people age 6-60. Our vision is to transform healthcare by providing a complete system of leading objective tests, products and services that empowers clinical and financial decision-makers to improve outcomes and support patients to better understand their symptoms and treatment. Qbtech is present in 14 countries with offices in Stockholm, London and Houston. Over the next years, Qbtech will make significant investments into new products, technologies and people to further strengthen their services and product offerings with the aim of building an ecosystem with solutions for providers, clinicians and patients. About the role We are looking for a Senior Software Engineer (SSE) for backend works in our product engineering team with systems / services development for the Qbtech platform. Primary implementation languages are Java & Kotlin. The main focus of the work is coding (development) but an SSE works with the entire software delivery lifecycle. The role is based in Stockholm, Sweden and will report to Engineering Manager.  There is no possibility of a complete remote role. This is Hybrid with at least 3 days a week from office. Essential Duties and responsibilities Qbtech’s development of products and services are controlled by Qbtech Quality Management Systems, international standards and certificates as well as specific laws. In accordance with those, essential duties and responsibilities are: Develop and document new product features & stories. Code reviews for peers. Maintain and improve legacy code. Manage DevOps and cloud infrastructure provisioning. Manage software deployment. Troubleshooting/investigation of incidents and bug fixing. We are looking for someone who has Extensive development skills using Java and Kotlin. Strong problem-solving mentality. Knowledge of the Ktor framework. Knowledge of at least one well known test framework such as Junit. Good knowledge of network infrastructure related to web application (examples: load balancer, firewall, security groups, CDN etc.). Experience of working with service provisioning for at least one of the following cloud services platforms (AWS, Google Cloud, Microsoft Azure). Experience of an infrastructure as code (Terraform). Experience with containerization (Docker). Experience from working with Agile development methodologies. Excellent written and verbal skills. At least 6-8 years documented experience. Qualifications Required for Position: Bachelors / Master’s degree in Computer Science or related field. Fluent in English. What can Qbtech offer you? At Qbtech you will have the opportunity to work with something meaningful that helps people understand ADHD while transforming healthcare. You will work in an international environment together with some of the leading experts in the world. You will lead the development of best in class as well as first in class products and services – globally. There are plenty of opportunities to learn and grow and to expand into other technologies within the company. Qbtech also offers education and certifications in fields that are relevant to the technology used within the company.

16 februari 2026
Sista ansökan:
12 augusti 2026
Engineering Manager to TSS
Ants Akademiskt Nätverk av Tekniska Studenter AB
Mjukvaru- och systemutvecklare m.fl.

Do you want to shape the cloud-native foundation that the life science industry relies on every single day? Do you want to build platform capabilities that ensure safe drug delivery for patients worldwide? Then this is your next step. At Temperature Sensitive Solutions Systems (TSS), we help the world’s largest pharma companies ensure that every temperature‑sensitive drug, from bulk shipment to the last mile of a clinical trial, is safe for patients. Our solutions run in mission‑critical, regulated environments where stability, reliability, and traceability are essential. We are now strengthening our technology organization with a new leadership role: Engineering Manager - Cloud Native Platform. This role is central to TSS’s cloud-native evolution and the continued development of our platform capabilities. About the role As Engineering Manager - Cloud Native Platform, you will lead the teams responsible for TSS’s internal cloud platform, platform services, integrations, and data platform capabilities. These areas form the technical foundation that enables our product teams to deliver stable, scalable, and compliant software to customers across the globe. Your scope spans both cloud-native infrastructure and platform-enabling services, including: Our Kubernetes-based Cloud Platform Authentication and Identity Management Integration and Mediation Services for external systems CI/CD pipelines, GitOps, IaC and DevSecOps foundations Observability and operational readiness Snowflake-based Data Platform, analytics, and BI capabilities This is a mission-critical leadership role where you will drive the evolution of TSS’s platform architecture, support our modularisation strategy, and ensure that our services meet the requirements of a regulated industry. You are not expected to code full-time, but you will stay technically hands‑on enough to guide architectural decisions, support incident handling, and contribute to technical discussions. Your responsibilities include Lead and develop engineering teams across platform, integrations, and data Evolve the Kubernetes-based platform and internal services to ensure scalability, security, and reliability Drive architecture principles, governance, and operational excellence Oversee the data platform to enable compliant analytics and reporting Own incident processes, on-call structure, and production readiness Build a strong engineering culture centered on DevSecOps, compliance, and continuous improveme Partner closely with product, SaaS, and commercial teams to align platform capabilities with business needs About you You are a technically strong and people-focused engineering leader who thrives in environments where reliability, transparency, and compliance matter. You enjoy being close to the technology while enabling others to excel. We believe you have: A solid background in software engineering and cloud architecture with a Master Of Science or equivalent Experience leading platform, infrastructure, DevOps, or cloud-native teams Strong technical understanding of Kubernetes, containers, APIs, and cloud platforms (preferably Azure) Experience with Java/Spring Boot or similar backend stacks Familiarity with data warehousing, analytics or BI (Snowflake experience is a plus but not required) Experience from regulated, production-critical or high-compliance environments Fluency in Swedish and English Interested? Apply today! We review applications continuously. For questions, please contact: Gabriella Hagström, Talent Acquisition Consultant, at [email protected]. Note: Background checks will be conducted as part of the recruitment process.

16 februari 2026
Sista ansökan:
15 augusti 2026
Senior Software Engineer
Kaisa Technologies AB
Mjukvaru- och systemutvecklare m.fl.

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.

10 februari 2026
Sista ansökan:
9 augusti 2026
Systemutvecklare sökes
New Professional Minds AB
Mjukvaru- och systemutvecklare m.fl.

Systemutvecklare – Göteborg, on-site Är du frontendutvecklare, backendutvecklare eller fullstackare? Trivs du i en högpresterande och dynamisk miljö? Vi söker 2-3 utvecklare till en kund i Göteborg med start under Q1. Krav Stort teknisk erfarenhet, detta behöver inte betyda år i arbete. Mycket goda resultat på programmeringstest är ett krav (syntaxen är valbar) Flytande svenska i tal och skrift Arbete på plats i Göteborg God förståelse för modern frontend-arkitektur, komponenttänk och state management Vi söker dig som Trivs i en högpresterande och dynamisk miljö Har inga problem om saker inte går som planerat – nya förhållanden, nya möjligheter Får energi av att arbeta tillsammans med andra Gillar att ta ansvar och driver din egen utveckling istället för att vänta på att någon annan ska göra det Bra att ha REACT C#, Java, C++ TypeScript Testning (Jest, RTL, Cypress) Erfarenhet av större kodbaser och långsiktigt förvaltade system 👉 Ansök endast om du uppfyller kraven ovan.   Vad kan vi erbjuda dig? New Minds är inte ett typiskt rekryteringsföretag; Vi vill gärna se oss själva som en personlig länk mellan dig och ditt drömjobb. Oavsett om du vill arbeta som programmerare, projektledare, testare eller webbdesigner har vi på NewMinds nätverket, erfarenheten och viljan att göra din framtid precis som du vill att den ska vara. Vi tror på att bygga ett starkt team genom aktiviteter som efterarbeten och sommarfester där du får nätverka och ha roligt med dina NewMinds-kollegor. Kom och samarbeta med oss så stöttar vi dig för att ta dig till nästa nivå!

9 februari 2026
Sista ansökan:
1 augusti 2026
Senior Backend Engineer
Voi Technology AB
Mjukvaru- och systemutvecklare m.fl.

YOUR MISSION AT VOI As a Senior Backend Engineer you’re a part of a cross functional team with highly skilled Mobile Engineers, Product Designers and Product professionals. You’ll play a key role in Voi’s continued growth and success. Your responsibility is to build features that engage and empower our users and drive the app experience forward. This will include: Build and design scalable and reliable backend for our various products. Work closely with peer teams (data, mobile, IoT, design, ML, product), and business partners (marketing, repairing services, logistics). Large scale data processing to understand user behavior and help define new product features. Be creative and drive new ideas regarding architecture, tools, products and languages. WHAT YOU NEED TO EMBARK We use Golang, but there is no requirement for previous experience in that language. We believe that good engineers can switch and learn new languages and technologies. To have the best start with us at Voi, we believe you have: 3+ years of experience as a Senior Engineer building and designing scalable and reliable backend. Good communication skills and see collaboration as a key to success. Experience writing well-structured, testable, reliable, efficient and easily maintainable code. Ability to communicate technical ideas clearly and effectively. Experience working with cloud infrastructure (GCP, AWS or Azure). Experience in building systems with microservices architecture. Experience of working in diverse and cross functional teams towards a common goal. Machine Learning experience.  WHY VOI? Working at Voi is more than just a job; Our People Promise includes a personal Voiage where you will grow as a professional and be a part of a team and culture that builds something meaningful for society. In addition to this you’ll have the opportunity to: Join Europes #1 micromobility company. Get “skin in the game” through our employee options program and be a part of building a world class organisation. Work with inspiring, motivated and fun colleagues towards a common goal. Join the micromobility-revolution and be a part of creating sustainable cities made for living, free from noise and pollution.

5 februari 2026
Sista ansökan:
4 augusti 2026
Backend Engineer
Voi Technology AB
Mjukvaru- och systemutvecklare m.fl.

YOUR MISSION AT VOI As a Backend Engineer, you’ll be part of a cross‑functional team with skilled Mobile Engineers, Product Designers and Product professionals. You’ll play an important role in Voi’s continued growth and success. Your responsibility is to build features that engage and empower our users and drive the app experience forward. This will include: Building and designing scalable and reliable backend services for our various products. Working closely with peer teams (data, mobile, IoT, design, ML, product) and business partners (marketing, repairing services, logistics). Working with large‑scale data processing to understand user behaviour and help define new product features. Contributing to discussions on architecture, tools, products and technologies, bringing ideas and a learning mindset. WHAT YOU NEED TO EMBARK We use Golang, but there is no requirement for previous experience in that language. We believe that good engineers can switch and learn new languages and technologies. To have a great start with us at Voi, we believe you have: Experience building and designing scalable and reliable backend systems. Good communication skills and a collaborative mindset – you see teamwork as a key to success. A strong business sense with a laser focus on business value and user impact. Experience writing well‑structured, testable, reliable, efficient and easily maintainable code. Experience working with cloud infrastructure (for example GCP, AWS or Azure). Experience in building or contributing to systems with microservices architecture. Experience of working in diverse and cross‑functional teams towards a common goal. It’s a plus (not a must) if you have experience with Machine Learning or ML‑driven products. Don’t meet every requirement? If you are excited about this role and our mission, and have relevant, transferable skills, we encourage you to apply – even if you don’t check every box. WHY VOI? Working at Voi is more than just a job; our People Promise includes a personal voyage where you will grow as a professional and be a part of a team and culture that builds something meaningful for society. In addition to this you’ll have the opportunity to: Join Europe’s #1 micromobility operator and one of the fastest‑growing scale‑ups. Get “skin in the game” through our employee options programme and be a part of building a world‑class organisation. Enjoy unlimited free Voi rides and a dog-friendly office. Enjoy working with inspiring, motivated and fun colleagues towards a common goal. Join the micromobility revolution and be a part of creating sustainable cities made for living, free from noise and pollution.

5 februari 2026
Sista ansökan:
4 augusti 2026
Backend developer / Sys admin
Mullvad VPN AB
Mjukvaru- och systemutvecklare m.fl.

About Us Mullvad VPN is a Swedish VPN company dedicated to fighting mass surveillance and censorship. We do this primarily through our VPN service and our privacy-focused web browser. Over the years, we have been pioneers when it comes to VPN technology and we intend to remain trailblazers. Everything we do is built with our users’ security and privacy first — with the ambition of making mass surveillance and censorship impractical. The Job We’re looking for a backend developer / sys admin to join our Services team. The team is responsible for backend services related to accounts, payments and internal APIs. We're looking for someone who enjoys working close to the metal, cares deeply about reliability, security and wants their work to genuinely protect users’ privacy. This job is about Develop and operate backend services that handle traffic without identifying users Designing infrastructure under the assumption that everything is hostile Keep systems boring, fast and hard to break Review code with a “How could this leak data?” mindset Who you are Have 7+ years of experience building backend systems, infrastructure or both Deep understanding of Linux systems Experience with Python or Go Experience with monitoring, metrics and SLOs Hands-on experience with Docker and containerized environments Good communication skills in English Humble and team-oriented mindset You might belong here if you Like backend or infrastructure work more than buzzwords Understand networking well enough to be suspicious of it Care about security, privacy and threat models - not just feature velocity Prefer simple systems over “clever” ones Why Mullvad? We value quality over quantity and believe in good solutions rather than quick fixes. Our apps are open source, our teams are curious and collaborative, and we care deeply about removing bloat rather than adding it. We are a bunch of diversified peeps: from vegans to marathon runners, audiophiles to farmers and coffee brewers. So, what unites us? Our commitment to living and breathing our mission, to make mass surveillance and censorship impractical.  If you want to build products that make an impact, enjoy generous benefits, and work for a purpose you can stand behind, welcome to Mullvad. Additional Information Location: Gothenburg, Sweden Start: As soon as possible Job Hours: Full-time, on-site position This is an ongoing recruitment process and we aim to fill the position as soon as possible. As part of our hiring process, we conduct a background check to ensure a safe and secure work environment.

3 februari 2026
Sista ansökan:
2 augusti 2026
Senior Java Engineer – Build the Future in the Cloud
Explipro Group AB
Mjukvaru- och systemutvecklare m.fl.

Senior Java Engineer – Build the Future in the Cloud As a Senior Java Engineer at Explipro, you’ll be right at the heart of designing, building, and optimizing cloud-native applications that power real-world solutions. We work with Java, Spring Boot, and top-tier cloud platforms like AWS and Azure to deliver systems that are scalable, secure, and future-proof. This isn’t just about writing code – it’s about shaping architecture, influencing technical decisions, and delivering value that clients can see and feel. You’ll collaborate closely with other engineers, designers, and stakeholders, ensuring every solution is as elegant as it is effective. What You’ll Be Doing Create & innovate – Design and develop modern cloud-based applications with Java and Spring Boot. Streamline delivery – Build and maintain CI/CD pipelines to keep deployments smooth and efficient. Collaborate – Work with cross-functional teams to bring features from concept to launch. Solve big challenges – Troubleshoot complex technical problems and find solutions that stick. Elevate quality – Participate in code reviews and champion best practices. What We’re Looking For 7+ years of professional Java development experience. Solid understanding of CI/CD tools and processes. Hands-on experience with AWS, Azure, or Google Cloud. Strong English communication skills, written and spoken. Degree in Computer Science or related field. Problem-solving mindset and an eye for detail. Why You’ll Love Working Here At Explipro, we keep things helpful, simple, and human. We value integrity, transparency, and genuine teamwork. Here, you’ll find: A supportive, growth-oriented culture. Competitive salary and great benefits. Flexible work conditions to suit your life. Continuous learning opportunities.

30 januari 2026
Sista ansökan:
29 juli 2026