Data Platform Developer

Hacksaw Studios AB

About us Hacksaw Studios is a Stockholm-based game studio focused on creating innovative, high-quality gaming experiences. With a focus on performance and precision, we bring ideas to life through technical expertise and creative collaboration. We have wide distribution, and our games are played by millions of people every month by players all over the world. We are now looking for a C# platform developer to join our growing Stockholm team. You'll be the person helping build and maintain the high-performance backend systems that power our games and platform infrastructure. You'll be solving real technical challenges that impact thousands of active users, collaborating closely with product teams, and helping ensure our platform is robust and ready for future growth. The Role Your key responsibilities include: Design & Implement Features: Build robust, scalable features for our C# / ASP.NET-based platform and supporting systems. Optimize Performance: Ensure code and data structures deliver high throughput, low latency, and reliable processing of thousands of transactions per second. Testing & Stability: Write and maintain comprehensive unit tests to ensure platform stability. Code Collaboration: Participate in code reviews and contribute to clean, maintainable, and well-documented code. Technical Documentation: Maintain clear and thorough technical documentation. Team Coordination: Work closely with peers and product teams to maintain architectural consistency and meet performance standards. What We’re Looking For Strong experience in C# backend development. Solid understanding of ASP.NET (experience preferred but can be developed on the job). Deep knowledge of SQL, including writing efficient queries and designing high-performance database schemas. Practical experience with caching strategies (e.g., Redis). Expertise in multithreaded programming and thread-safe design patterns. Proficiency in using the C# debugger for troubleshooting complex issues. A mindset focused on performance, scalability, and reliability. Nice-to-have: Experience with automated unit testing frameworks. A university degree in Computer Science or related field. Interest in gaming, professionally or recreationally. Experience with front-end development. Experience mentoring or coaching other colleagues. What We Offer A modern office in central Stockholm. Work with experienced, passionate colleagues in the gaming industry. The opportunity to create games with a global audience. Real influence, ownership, and personal growth opportunities. Wellbeing perks including wellness allowance and regular in-office massage. Practical Details This is an on-site position in Stockholm. Unfortunately, we cannot assist with relocation or visa sponsorship. Ready to Join the Game Makers? Apply now! We review applications on a rolling basis.

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

Swedbank AB

Do you enjoy working in a dynamic and evolving environment where your ideas matter and your expertise helps create real value for people? At Swedbank, we believe in building solutions that make everyday life easier and more secure for our customers — and we want you to be part of that journey.In Swedbank you have the opportunity to: Develop, test, analyze and manage systems/applications for Swedbank's Contact Center plattform Work together with other developers and agile teams to make sure we deliver the best solution for our customer center Opportunity to shape innovative customer experience solutions. To work in a collaborative, forward-thinking, and supportive work environment. Professional growth. What is needed in this role: Core Genesys Cloud Skills Genesys Cloud Architect: Designing inbound/outbound call, email, and message flows, including reusable tasks and secure flows. Data Actions & Integrations: Building and troubleshooting data actions that connect to RESTful Spring Boot services. Genesys SDKs & APIs: Experience with the Platform API, Notifications API (WebSockets), and Analytics API. Scripting: Creating dynamic Agent Scripts integrated with the Genesys Cloud Embeddable Framework. Web Messaging & Digital: Implementing Web Messaging (v3) with custom deployment and journey tracking. Outbound Campaigns: Configuring Predictive, Power, and Agentless dialing modes. Security (OAuth): Implementing secure authentication flows (Authorization Code, Client Credentials, PKCE). Minimum 3+ years of relevant education (Computer Science, Information Technology, Software Engineering, or similar). At least 3+ years of experience in the IT industry, ideally within software development, integrations, or cloud-based platforms. Key Responsibilities: Build and maintain intelligent, customer‑friendly IVR and routing flows. Collaborate closely with Java/Spring Boot teams on integrations and data models. Use CX as Code (Terraform provider for Genesys Cloud) to manage configuration across Dev, UAT, and Production environments. Analyze and optimize performance, including API rate limits and notifications. Support teams embedding Genesys widgets into our custom Angular agent desktop. 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 international team of professional colleagues, who work together to deliver challenging projects, maximize customer satisfaction and contribute to Swedbank's position in society." Elin Glans, your future manager We look forward to receiving your application by 30.09.2026.  Location: Stockholm, Sundbyberg Recruiting manager: Elin Glans, +46 722496974 We want to inform you that the selection process may begin after the summer holidays. 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. Swedbank does not discriminate anybody based on gender, age, sexual orientation or sexual identity, ethnicity, religion or disability – everybody is welcome. #LI-MA1 #LI-Hybrid