{"schemaVersion":"jobsearcher.job.v1","id":"6ac7414a7d5f43871dd93f3f","url":"https://jobsearcher.com/jobs/6ac7414a7d5f43871dd93f3f","canonicalUrl":"https://jobsearcher.com/jobs/6ac7414a7d5f43871dd93f3f","title":"Backend .NET Developer","description":"Join ReturnPro as a Backend .NET Developer—Where Innovation Meets Impact!\nAre you a developer who dreams of .NET, lives for solving complex puzzles, and loves creating technology that genuinely makes a difference? At ReturnPro, we are not just building software, we are transforming the entire returns industry by helping companies recover value, reduce waste, and simplify returns across leading platforms like eBay, Amazon, Walmart Marketplace, and beyond. We are seeking an enthusiastic Backend .NET Developer who is ready to bring fresh ideas, creativity, and even a sprinkle of AI magic to our talented team.\nPrimary Responsibilities/Essential Functions\nBuild and enhance our industry-leading Returns Management SaaS Platform.\nCollaborate with passionate teams to turn challenging requirements into exceptional solutions.\nContinuously innovate to ensure our platform stays fast, scalable, and reliable.\nDive deep into business processes, developing technological solutions that delight our clients.\nOur Tech Stack (Your Playground!):\nBackend: .NET 6–8, C# (legacy support with .NET Framework 4.8)\nArchitecture: Microservices\nDatabases: MSSQL, PostgreSQL, MongoDB\nDeployment: Docker, Kubernetes, Azure\nMessaging: Kafka, RabbitMQ\nCI/CD: Azure DevOps, GitLab\nMonitoring & Logging: Grafana, Kibana, Prometheus\nCollaboration Tools: Slack, Confluence, Miro\nMethodology: Agile/Scrum using Jira\nYou are a Perfect Match If You:\nHave strong hands-on experience in .NET and C# development.\nLove creating clean, robust, and maintainable code.\nAre passionate about RESTful APIs, microservices, and modern web architectures.\nHave a strong grasp of relational databases like MSSQL or PostgreSQL.\nEnjoy working collaboratively, communicating clearly, and solving problems effectively.\nCommunicate confidently in English (Upper-intermediate or above).\nBonus Points:\nExperience with Docker, Kubernetes, and Azure Cloud technologies.\nFamiliarity with NoSQL databases (e.g., MongoDB).\nKnowledge of OpenAPI (Swagger).\nExperience writing comprehensive unit and integration tests.\nInterest or experience in leveraging AI tools to optimize your coding workflow, such as AI-assisted coding, automated code reviews, or generative AI tools.\nProficiency in languages such as Russian, Romanian, or Spanish (any of these would be a fantastic plus!).\nWhy You will Love Working at ReturnPro:\nJoin an ambitious, innovative team committed to sustainability and producing meaningful software.\nEnjoy a collaborative and supportive remote work environment.\nLeverage the latest technology and AI-driven solutions in your everyday work.\nReady to innovate, simplify, and truly impact the world of returns? Let’s talk!\nPython Expertise – 3-5 years of experience with Python for data handling, API interactions, and automation\nDatabase Querying – Strong SQL & NoSQL skills for retrieving and structuring large datasets\nOpenAI API & LLM Experience – Experience or strong interest in working with OpenAI’s API (GPT models) and prompt engineering\nAI Prompt Optimization – Understanding of how to structure AI prompts for clarity, accuracy, and efficiency\nAPI Integration & Automation – Experience in RESTful API interactions and processing structured responses\nData Processing & Transformation – Proficiency in pandas, numpy for cleaning and preparing data before AI inference\nScalability & Performance Optimization – Familiarity with asynchronous programming, parallel processing, caching\nVersion Control & CI/CD – Hands-on experience with Git, Docker, CI/CD pipelines\nPreferred Skills\nExperience fine-tuning OpenAI models or custom LLM deployment\nHands-on experience with big data tools (e.g., Snowflake, BigQuery, Databricks)\nFamiliarity with asynchronous processing (asyncio, Celery) for high-volume API calls\nExperience in pricing automation & AI-powered decision-making","company":"Returnpro","rawCompany":"returnpro","city":"Miami","state":"FL","isRemote":false,"isActive":false,"createdAt":"2026-07-15T11:50:37.432Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Backend .NET Developer","description":"Join ReturnPro as a Backend .NET Developer—Where Innovation Meets Impact!\nAre you a developer who dreams of .NET, lives for solving complex puzzles, and loves creating technology that genuinely makes a difference? At ReturnPro, we are not just building software, we are transforming the entire returns industry by helping companies recover value, reduce waste, and simplify returns across leading platforms like eBay, Amazon, Walmart Marketplace, and beyond. We are seeking an enthusiastic Backend .NET Developer who is ready to bring fresh ideas, creativity, and even a sprinkle of AI magic to our talented team.\nPrimary Responsibilities/Essential Functions\nBuild and enhance our industry-leading Returns Management SaaS Platform.\nCollaborate with passionate teams to turn challenging requirements into exceptional solutions.\nContinuously innovate to ensure our platform stays fast, scalable, and reliable.\nDive deep into business processes, developing technological solutions that delight our clients.\nOur Tech Stack (Your Playground!):\nBackend: .NET 6–8, C# (legacy support with .NET Framework 4.8)\nArchitecture: Microservices\nDatabases: MSSQL, PostgreSQL, MongoDB\nDeployment: Docker, Kubernetes, Azure\nMessaging: Kafka, RabbitMQ\nCI/CD: Azure DevOps, GitLab\nMonitoring & Logging: Grafana, Kibana, Prometheus\nCollaboration Tools: Slack, Confluence, Miro\nMethodology: Agile/Scrum using Jira\nYou are a Perfect Match If You:\nHave strong hands-on experience in .NET and C# development.\nLove creating clean, robust, and maintainable code.\nAre passionate about RESTful APIs, microservices, and modern web architectures.\nHave a strong grasp of relational databases like MSSQL or PostgreSQL.\nEnjoy working collaboratively, communicating clearly, and solving problems effectively.\nCommunicate confidently in English (Upper-intermediate or above).\nBonus Points:\nExperience with Docker, Kubernetes, and Azure Cloud technologies.\nFamiliarity with NoSQL databases (e.g., MongoDB).\nKnowledge of OpenAPI (Swagger).\nExperience writing comprehensive unit and integration tests.\nInterest or experience in leveraging AI tools to optimize your coding workflow, such as AI-assisted coding, automated code reviews, or generative AI tools.\nProficiency in languages such as Russian, Romanian, or Spanish (any of these would be a fantastic plus!).\nWhy You will Love Working at ReturnPro:\nJoin an ambitious, innovative team committed to sustainability and producing meaningful software.\nEnjoy a collaborative and supportive remote work environment.\nLeverage the latest technology and AI-driven solutions in your everyday work.\nReady to innovate, simplify, and truly impact the world of returns? Let’s talk!\nPython Expertise – 3-5 years of experience with Python for data handling, API interactions, and automation\nDatabase Querying – Strong SQL & NoSQL skills for retrieving and structuring large datasets\nOpenAI API & LLM Experience – Experience or strong interest in working with OpenAI’s API (GPT models) and prompt engineering\nAI Prompt Optimization – Understanding of how to structure AI prompts for clarity, accuracy, and efficiency\nAPI Integration & Automation – Experience in RESTful API interactions and processing structured responses\nData Processing & Transformation – Proficiency in pandas, numpy for cleaning and preparing data before AI inference\nScalability & Performance Optimization – Familiarity with asynchronous programming, parallel processing, caching\nVersion Control & CI/CD – Hands-on experience with Git, Docker, CI/CD pipelines\nPreferred Skills\nExperience fine-tuning OpenAI models or custom LLM deployment\nHands-on experience with big data tools (e.g., Snowflake, BigQuery, Databricks)\nFamiliarity with asynchronous processing (asyncio, Celery) for high-volume API calls\nExperience in pricing automation & AI-powered decision-making","datePosted":"2026-07-15T11:50:37.432Z","dateModified":"2026-07-15T11:50:37.432Z","hiringOrganization":{"@type":"Organization","name":"Returnpro","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Miami","addressRegion":"FL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6ac7414a7d5f43871dd93f3f"},"url":"https://jobsearcher.com/jobs/6ac7414a7d5f43871dd93f3f"}}