Senior .NET Developer with AWS

Ciklum is looking for a Senior .NET Developer to join our team full-time in Poland.We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the roleAs a Senior .NET Developer, become a part of a cross-functional development team engineering experiences of tomorrow providing strong technical direction that leverages diverse back-end services, relational and NO-SQL databases, CI/CD, sync/async processing, big data stores, and real-time data streams.Together, we will work on the project that aims to power loyalty programs for some of the largest global Retail, QSR, Airline, Grocery, and Gasoline merchants. The platform handles nearly half a billion API calls a day – with a global footprint in four AWS regions.

Responsibilities:Design and implement applications following software engineering best practices and principlesBe responsible for maintaining the defined level of code quality on the projectMake required infrastructural changes for successful application deploymentEfficiently engage in global teamworkSpecify needs for new apps and modifications, following standards and best practicesUtilize technical skills to mentor and foster junior staff

Requirements:We know that sometimes, you can’t tick every box. We would love to hear from you if you think you’re a good fit!Software Design:Use of best practices and patterns during application design and implementationHands-on experience with monolith, microservice, and serverless architectural stylesUnderstanding applications' scalability approachesGood understanding of the business domainStrong knowledge and practical experience with async processing techniquesUnderstanding REST API approach in web api implementationSoftware Development:In-depth proficiency level of C# and .Net technologies, implementing applications with .Net Framework/.NET CoreExperience in developing applications or solutions within large AWS/Azure/GCP infrastructuresProven successful cases in developing backend applications using advanced framework features and industry standard conventionsPractical experience in writing and performance tuning of complex SQL/NO-SQL queries in MS SQL/CosmosDb/DynamoDBQuality Assurance:Previous participation in constant quality improvement on the project: conducting code reviews, setting up quality metrics, and monitoringSoftware Deployment:Hands-on experience with application deployment patterns and toolsPractical experience in infrastructure configuration using popular cloud providersUnderstanding of all the SDLC steps

Desirable:AWS Cloud knowledge or practical experienceNO-SQL databases (with a preference for DynamoDB)Experience in configuring application security aspectsPractical experience in application performance optimization

Personal skills:Communication is key! You speak and write in English fluently or at least at an upper-intermediate levelAccountability:Following the “said and done” principleAccountability for the own scope of workCorporate Security ResponsibilityDrive:Proactive in efforts to deliver results according to the expectationsSuggesting new ideas, looking for alternative solutions, proven problem-solverSelf – development:Eager to learn and grow: curios, keen to constant self-developmentConstantly improving own mastershipEffective communication:Ability to express ideas, thoughts, and questions simply, concisely, and in a structured wayHas communication skills with the ability to communicate with all levels of managementA good team playerMentoring:Capability to assess tasks of less experienced colleaguesAbility to provide a constructive feedbackAgile driven development

What's in it for you?Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance, life insurance and Multisport cardTailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certificationsGrowth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globallyFlexibility: Own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand-upOpportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potentialGlobal impact: work on large-scale projects that redefine industries with international and fast-growing clientsWelcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building eventsAbout us:Join a well-established company and a strong team of professionals. Seize the perks of global opportunities, local approach and start-up spirit. Boost your skills with modern stacks and industry-leading clients!Enjoy what you do, do what you enjoy!Be bold, not bored!Interested already? We would love to get to know you! Submit your application. Can’t wait to see you at Ciklum.

Key Skills

• .NET Core
• C#
• REST APIs
• Microservices
• .NET Framework