{"id":2971715,"url":"https://alion.io/job/user-experience-researchers-full-stack-net-core-developer","title":"Full Stack .NET Core Developer","company":{"id":245891,"name":"User Experience Researchers","domain":"user.com.sg","url":"https://alion.io/company/user-3","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":4000,"max":7000,"currency":"SGD","period":"month","gross":true,"usd_annual":65748},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Amazon S3","optional":false},{"name":"API Gateway","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"C#","optional":false},{"name":"Docker","optional":false},{"name":"DynamoDB","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"Storybook","optional":false},{"name":"Agile","optional":true},{"name":"CI/CD","optional":true},{"name":"Node JS","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-10-21T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-21T00:00:00Z","board_verified":false,"closed_at":null,"days_open":17,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":17},"description":"Key Responsibilities:\nBackend Development\nDesign, develop, and maintain microservices architecture using .NET Core and .NET 8.\nImplement event-driven architecture to enable seamless communication between microservices.\nUtilize Entity Framework (EF) for efficient database interactions and management.\nContainerize applications using Docker for scalability and deployment flexibility.\nApply Domain-Driven Design (DDD) principles to ensure clean and modular code architecture.\nImplement OAuth for secure authentication and authorization.\nDevelop and enforce security best practices to safeguard sensitive data and systems.\nUtilize AWS services such as S3, Lambda, API Gateway, DynamoDB, and other relevant services for backend development.\nDevelop RESTful API endpoints to facilitate communication between the frontend and backend.\nFrontend Development\nDevelop responsive and user-friendly web applications using React.js and Next.js.\nWrite unit tests using Jest to ensure code quality and reliability.\nCreate reusable UI components and maintain a consistent design using Storybook.\nCollaborate closely with UX/UI designers to implement intuitive and visually appealing interfaces.\nTroubleshoot and debug issues across the stack, ensuring smooth application operation.\nOptimize application performance and scalability for a seamless user experience.\nWhat We Are Looking For:\nRequirements\nProven experience as a Full Stack .NET Core Developer or in a similar role.\nStrong proficiency in .NET Core, .NET 8, C#, and related backend technologies.\nExperience building microservices architecture and implementing event-driven design patterns.\nProficiency in Entity Framework (EF) for database management.\nFamiliarity with Docker and containerization principles.\nKnowledge of Domain-Driven Design (DDD) principles and their application in backend development.\nExperience implementing OAuth for authentication and authorization.\nUnderstanding of security best practices and their application in backend development.\nHands-on experience with AWS services such as S3, Lambda, API Gateway, DynamoDB, and other relevant services.\nProficiency in frontend technologies such as React.js, Next.js, HTML, CSS, and JavaScript.\nExperience writing unit tests using Jest and maintaining a design system with Storybook.\nStrong problem-solving skills and attention to detail.\nExcellent communication and collaboration skills.\nPreferred Qualifications:\nMore than 5 years of experience as a full stack developer is preferred.\nExperience working in both Unix and Windows operating environments is preferred.\nAWS certification, such as AWS Certified Developer or AWS Certified Solutions Architect, is preferred.\nExperience with Node.js for server-side development is an advantage.\nFamiliarity with NoSQL databases such as DynamoDB is an advantage.\nKnowledge of CI/CD pipelines and DevOps practices is an advantage.\nUnderstanding of Agile development methodologies is an advantage.\nSkills\nDesign, EF, DDD, OAuth, Software Architecture, C Language, Technological Proficiency, Microservices Design, implementing data protection, Event-Driven Architecture (EDA), Microservice, Database Management Systems, Docker Container, Entity Framework, Backend Development, IT Security Best 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