Backend Developer

Validio AB

Validio AB is a Stockholm-based software company providing a data quality and observability platform. The role is part of the Validation Engine team, responsible for backend services that read data from source systems (e.g. BigQuery, Snowflake, Kafka), run data validation logic, and report incidents to downstream systems. The employee will design, develop, test, and maintain backend components of this system. Main duties Design, develop, and maintain backend services in Rust and Go Develop and maintain SQL query generation logic across multiple database dialects (e.g. BigQuery, Snowflake, ClickHouse, Postgres) Define and maintain service contracts using Protocol Buffers and gRPC Build and maintain data source connectors, including schema introspection and authentication Diagnose and resolve production issues in distributed backend systems Write automated tests and maintain technical documentation for backend components Collaborate with Customer Success and Solutions Engineering teams to translate reported technical issues into engineering solutions Deploy and operate services using Kubernetes and related infrastructure tooling Qualifications University degree in Computer Science, Software Engineering, or equivalent professional experience Documented professional experience developing and maintaining production backend services in Rust or Go Strong working knowledge of SQL, including query optimization and execution plan analysis Experience with distributed systems and message-streaming technologies (e.g. Kafka) Experience with containerized deployment (Kubernetes) Professional proficiency in English

Länsförsäkringar Trygghetstjänster AB

Hi there! 👋   We are Alf – a newly formed tech company within Länsförsäkringar Alliance. With a client base of approximately 2 million households, Länsförsäkringar is one of Sweden’s biggest financial groups. Alf is on a mission to create a secure and sustainable way of living by adding cutting-edge IoT tech to 200+ years of experience from helping customers taking care of their homes.  About the job  As a Backend Developer at Alf, you’ll be part of a cross-functional product team building backend services for customer-facing IoT products. You’ll work close to both the product and its users, taking responsibility from design to production in a system where backend quality truly matters.  Our backend is event-driven, business-critical, and integrated with connected devices. The role suits someone who enjoys working end-to-end, combining feature development with platform improvements. You’ll collaborate closely with frontend and app developers, QA, and the PM to deliver high-quality solutions.  We work in two-week sprints with daily stand-ups, backlog refinement, sprint planning, demos, and retrospectives. Backend developers join chapter meetings to collaborate, share knowledge, and shape the platform together. We value scalable solutions and place emphasis on test automation.  The role includes occasional on-call duties, which are of course, fully compensated.  About you  We’re looking for an experienced backend developer with a bachelor’s degree in computer science or a related field, who thrives in a collaborative team and enjoys taking ownership of their work. You’re curious, solution-oriented, and passionate about writing clean, reliable code. You stay up-to-date with modern development practices and are motivated by making a real impact for users.  You bring:  3-4 years of backend development experience  Experience with event-driven systems  Experience with REST APIs, PostgreSQL (or similar relational databases), and MongoDB (or similar NoSQL databases)  Nice to haves:   Experience with Node.js  Experience with RabbitMQ  Experience with Kubernetes and Docker containers  Experience with IoT About Alf  Länsförsäkringar embodies more than 200 years of dedication to create safety for our customers. With Alf, all that experience is being combined with innovative technology to cater the current needs of our clients. It’s a full-service solution providing personalized insights, advice and content, which enables the users to proactively take care of and protect their homes. With Alf and Länsförsäkringar, safety and sustainability go hand in hand.  Alf is operated by Länsförsäkringar Trygghetstjänster AB, a company owned by Länsförsäkringar Alliance. This provides a unique opportunity to become part of an engaged and fun team at an innovative tech company, characterised by the agile and dynamic essence of a startup, all while being supported by the stability and strength of Länsförsäkringar Alliance.  With Alf and Länsförsäkringar, you will get:  🏡 Work-life balance through a hybrid model  🏙️ Centrally located office in Stockholm  🤝 Collective agreement including pension and insurance coverage  🤸 Wellness allowance of 5000 SEK/year  💸 Special banking perks  🚀…and more, but let us dive into that when we meet in person! How to apply.  Apply by sending us your CV in Swedish or English. Our selection process is continuous, and we may move forward with candidates on an ongoing basis. Looking forward to hearing from you!  To ensure a high level of trust with our customers, a background check will be conducted at the final stage of the recruitment process.

Swedbank AB

Are you passionate about digital security? We are looking for you!In Swedbank you have the opportunity to: Analyse, design, develop, test and maintain services delivered by the team Ensure quality, accessibility and care when designing, building and maintaining software Work with architectural design in collaboration with architects Participate in a feedback culture where you both review and receive feedback to improve code quality Collaborate with the product owner, business analyst and other roles to refine and prioritise the product backlogs Handle maintenance and operations of our active services in accordance with existing processes Work in a value stream where Harmonize is our way of working What is needed in this role: 3-5 years of experience with Java and Spring Boot A good understanding of clean architecture, API design, microservices, and distributed systems A great team player with a collaborative mindset who works well in mob/pair programming Interest in adopting and experimenting with AI as a development tool Able to communicate efficiently in English A solution-oriented person with a customer-centric and business value driven mindset. Self- sufficient and self-organized with a desire to continuously improve. Capability to deliver in a changing and fast-moving environment. With us, you can experience: Personal and professional growth through self-leadership and continuous development. Meaningful work that positively impacts our workplace, our customers, and society. An open and collaborative culture that encourages cross-functional teamwork and provides networking opportunities. A supportive and inclusive environment that promotes a balanced and sustainable work-life, with flexible working conditions when suitable for the role. Benefits such as our share based reward program Eken, company pension plan, employee offer for banking products, health insurance. "Join our team and... become part of an inclusive and high‑performing team that constantly strives to improve how we work. We are responsible for Swedbank’s digital login methods, including BankID and fraud prevention in customer channels. Our mission is to ensure that every customer feels safe and confident when using Swedbank’s digital channels, a responsibility that truly drives us. Right now, we are focused on increasing efficiency, sharing our knowledge more broadly, and continuing to deliver at a consistently high level as a high‑performance team” Tove Zander, your future manager We look forward to receiving your application by 09.08.2026.  Location: Stockholm Recruiting manager: Tove Zander We may begin the selection during the application period, so we welcome your application as soon as possible. We would like to let you know that a background check and a drug test may be a part of the process for this role. We have made our choice regarding recruitment media and therefore kindly decline contact with ad sellers or sellers of other recruitment services. We want to inform you that the selection process may begin after the summer holidays. Swedbank does not discriminate anybody based on gender, age, sexual orientation or sexual identity, ethnicity, religion or disability – everybody is welcome. #LI-Hybrid