Senior systemutvecklare Optimizely

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.

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

Techrytera AB

Om oss På Techrytera AB börjar rekryteringen med dig. Vi är ett bemannings- och rekryteringsföretag med spetskompetens och ett tydligt fokus inom IT och Engineering. Med vår branschkunskap och nära dialog med både kandidater och kunder skapar vi träffsäkra matchningar där rätt kompetens möter rätt behov. Vi tror att en riktigt bra matchning inte bara handlar om en rollbeskrivning – utan om dina erfarenheter, din potential och vad du faktiskt vill utvecklas inom. Därför utgår vi alltid från individen. Genom att förstå din bakgrund, dina drivkrafter och dina ambitioner kan vi koppla ihop dig med uppdrag och roller hos våra kunder där du får rätt förutsättningar att utvecklas och göra skillnad. Vårt mål är att bygga långsiktiga och meningsfulla samarbeten – både för dig som kandidat och för våra kunder. Arbetsuppgifter Rollen som systemutvecklare i projekt och förvaltningar kan bl.a. omfatta följande huvuduppgifter: • Bidra till att tolka arkitektur, säkerhet och designa system • Genomföra utveckling av system, i huvudsak frontend men även backend • Stötta teamet i att utveckla samarbetet både inom teamet och externt. Förbättra hur man arbetar i scrum-ramverket och agila principer. • Konfiguration av CI/CD-miljö • Ta fram, uppdatera och förvalta systemdokumentation • Förekommande förvaltning så som hantera incidenter, där felsökning och buggrättning kan ingå, samt bistå i övrigt i IT-förvaltningen av våra applikationer och annat driftrelaterat arbete. Skallkrav 1. Högskole-/universitetsutbildning om minst 180hp inom systemvetenskap, IT, inom systemutveckling eller Elektronik. Alternativt minst 10 antal års arbetslivserfarenhet som Svenska Kraftnät bedömer likvärdig inom relevant område. 2. Erfarenhet av att i ett agilt team ha ansvarat för att facilitera agila processer, coacha teamet (minst 3 personer) och stöttat teamet i att följa scrum-ramverket. 3. Minst 10 års erfarenhet, från de senaste 15 åren, av Front End utveckling. 4. Minst 5 års utveckling i molnlösningar: AWS, Azure eller Google Cloud. 5. Erfarenhet av minst 1 back end språk. 6. Minst 5 års erfarenhet av frontend-utveckling i React & type script, CI/CD och automatiserade tester i pipelines. 7. Minst 3 års erfarenhet av avancerad visualisering av diagram och grafer med bibliotek såsom HighCharts eller D3js eller liknande. 8. God skriftlig och muntlig kommunikationsförmåga på svenska och engelska Merit: 1. Har deltagit i minst ett projekt, pågående minst 12 månader, inom kraftsystem (t.ex. elnät, energidistribution) under perioden 2016–2026 2. Har arbetat med Highcharts och zod i minst 1 år 3. Erfarenhet av att ha använt Docker och OpenShift i minst 1 projekt Ansökan När du söker via Techrytera AB söker du inte bara ett jobb – du påbörjar en dialog om din fortsatta karriär. Vi vill lära känna dig, din erfarenhet och dina ambitioner för att kunna matcha dig med rätt möjligheter hos våra kunder. Låter det intressant? Skicka in din ansökan eller hör av dig till oss så berättar vi mer. Vi ser fram emot att hitta nästa steg i din karriär tillsammans med dig.