Hire the best NoSQL Developers in Belgrade, RS
Check out NoSQL Developers in Belgrade, RS with the skills you need for your next job.
- $20 hourly
- 5.0/5
- (206 jobs)
Welcome to my Upwork profile! I'm Andrija, a versatile and passionate Full Stack Developer and Furniture & Product Design Engineer from Serbia. With a unique blend of technical and creative expertise, I offer solutions that meet both your digital and physical product needs. Whether you're building a custom furniture or product line or developing a cutting-edge web application, I’m here to bring your vision to life with precision, quality, and a strategic approach. YOU NEED MORE THAN JUST A DESIGN — YOU NEED SOLUTIONS! There are plenty of professionals who can design or develop a product. But what’s the goal behind your project? Does it serve your business effectively, or does it just look good? Whether you need a high-performance website or a functional yet beautiful piece of furniture, I focus on providing lasting, strategic solutions that directly benefit you. Every project starts with a clear, comprehensive plan: 1. What are your core objectives? 2. Who is your target audience or customer? 3. How can we create a solution that meets your needs and drives results? From there, we build. We design and develop strategically, ensuring that you get tangible results that impact your business positively. HOW CAN I HELP YOU? I’m passionate about designing innovative, user-centric solutions that blend form and function, whether in the digital space or through product design. Your business or idea is unique, and I treat every project with the attention it deserves. Whether you’re looking for: ♦ A highly-converting website that drives engagement and boosts sales ♦ Custom furniture design that brings your vision to life, from concept to creation ♦ Product design that combines aesthetic appeal with marketability ♦ Web & mobile applications that are not only functional but also intuitive and user-friendly ♦ 3D product renderings to help visualize your furniture or product designs in realistic settings I focus on delivering strategic, result-oriented solutions that go beyond just functionality — ensuring you get the most return on your investment. WHY CHOOSE ME? ♦ Clear and effective communication — I’m fluent in English and pride myself on keeping you informed and updated at every step. ♦ As a certified and Top Rated Plus Upwork Freelancer, I have a proven track record of delivering successful projects and building long-term client relationships ♦ Whether it's crafting a website or designing furniture, I ensure every detail is perfect. ✅ Proven Expertise & Achievements: - Extensive expertise in furniture design, product visualization, and interior/exterior design, combined with a solid background in web development. - Top-Rated Plus Freelancer with an Upwork Skill Certification in 3D Modeling and over 3000 hours worked. - Earned over 180 five-star reviews and maintained a 100% job success score on Upwork. Let’s Bring Your Ideas to Life! If you're ready to take your project to the next level, I’d love to discuss how I can help you turn your ideas into a high-performing web experience or a marketable, custom-designed product. Andrija Micunovic Belgrade, Serbia andrijadesign.com portfolio.andrijadesign.comNoSQL
NoSQL DatabaseCSSHTMLNode.jsReduxPostgreSQLFigmaDockerJavaScriptRESTful APICADMERN StackReact NativeNext.jsReact - $55 hourly
- 0.0/5
- (0 jobs)
Hello! This is Andrei from Serbia. I am very glad to introduce my skills and experiences here. Working with excellent companies and development teams, I have enjoyed developing the web applications as a full stack developer specialized in React/Web3, SmartContract, Blockchain, Live Streaming, and AWS Serverless development. Nowadays, Blockchain, Smartcontract, SAAS(Service as a service), PAAS(Platform as a service), SPA(single page application), PWA(progressive web application), microservices have become the main field of the IT industry, many people have a good idea to implement their dreams. With 5 years of experience in Blockchain, having a deep knowledge of blockchain technologies, specifically in constructing the decentralized application, fork & customizing the existing secure smart contracts, implementing trending methods like yield farming, new proof methods and etc. I have worked on building NFT own shops, clone ones from opensea, solana, and generating asciiman randomly, mint/buy NFTs on main network. Especially the Javascript/Typescript frameworks such as React.js, Angular, and Vue and the .NET frameworks like Blazor are my favourite skills among the frontend stacks. To develop the backend services, I had used Node/Express, C#/.Net, PHP/Laravel and the databases like MySQL, Postgres, MongoDB. WebRTC, Live streaming techs are my perfect fields using FFMPEG, Kurento, Wowza, Jitsi, Agora, Mux, and AWS Media services. Also, I am good at AWS Serverless frameworks including EC2, Lambda, CloudFormation, Cloudwatch, ApiGateway, S3, DynamoDB, SNS, SQS. I make sure that the highest quality of products and 100% satisfaction through my work. I am available at least 40 hours per week on your working timezone. Thank you.NoSQL
Blockchainweb3.jsAWS ApplicationNoSQL DatabaseServerless ComputingReact.NET FrameworkVue.jsSQLJavaScriptNode.jsLaravel - $40 hourly
- 0.0/5
- (0 jobs)
Thank you for visiting my profile. I am a professional blockchain developer(5+) and also a skilled full-stack web engineer(7+). In special I am passionate with Backend developments. I am skilled in the web developing field and I am an expert at like this: 1. Deep knowledge of backend frameworks. (Django, Express, Laravel, Go, ASP.NET) 2. Expert in frontend development. (React, Next, Vue, Angular) 3. Motivating consumers to take interest in the project. 4. Deep understanding of the business market. And I am a talent in the blockchain developing field and I am passionate on blockchain development like this: 1. Create smart contracts for DeFi, DEX, IDO, DAO, Launchpad, Trading, Token Lending, Bounding and NFT projects. 3. Integrate between smart contracts and dApps. (web3.js, ethers.js, solana-web3, polkadot-js) 4. Available blockchain network for me to develop - Solana, Ethereum, BSC, Polygon, Polkadot. For these amazing skills I can see myself in a high position in the blockchain & web world. You will not be needed to find different blockchain developer and web one as I will give you both plus some consultancy. You will get a GENUINE and serious bid from me. What you will get with my service: 1. The best quality product which you want. 2. Really comfortable communication & Instant responsive. I always meet deadlines. Never hesitate to make the best use of my skill and knowledge in order to complete a project successfully. So if my profile attracts you enough to select me for blockchain and web developing job, contact me through chat.NoSQL
NoSQL DatabaseNode.jsExpressJSJavaScriptBack-End DevelopmentMySQLMongoDBGolangPythonRuby on RailsDjangoPostgreSQLLaravelASP.NETFlask - $30 hourly
- 5.0/5
- (1 job)
🙋🏼♂️ Hi, I’m an official Microsoft Certified C# Developer and qualified Full Stack Web Developer with more than 12 years of experience, including 7 years of commercial development in various business areas. What can I do: ✔️ make website (from simple one-page landing to complex web services) ✔️ develop and deploy web, desktop or mobile application ✔️ solve difficult technical issues ✔️ deliver high-quality code, integration, database or user interface ✔️ and many more I have experience in business domains such as healthcare, data processing, text recognition, marketing, Dev2Dev (UI component library) My core technical expertise: - C#, ASP.NET - WPF - Blazor - SQL, Entity Framework, Dapper, AutoMapper - HTML5/CSS/JavaScript, TypeScript, SASS - React, Angular.js, Vue.js, jQuery, NodeJS - REST api, JSON, SOAP, Ajax - Cordova, Mobile friendly layout coding - MSMQ, RabbitMQ - Amazon AWS, Azure, CI/CD - SVN, Git 💬 If you want to implement a new big project, if you just need to fix something that already exists - feel free to text me, I will help you with all my passion and responsibility!NoSQL
Chatbot DevelopmentNoSQL DatabaseBlazorHTML5Vue.jsC++C#JavaScriptTypeScriptWindows Presentation FoundationMicroserviceSQLASP.NETWeb DevelopmentReact - $30 hourly
- 5.0/5
- (2 jobs)
Are you struggling to make sense of your data or optimize your operations? I help businesses transform complex data into clear insights and actionable strategies, delivering measurable results with precision and efficiency. With over 15 years of experience in data science, machine learning, and business intelligence (BI), I’ve led projects that have increased revenue by up to 25%, reduced churn by 30%, and streamlined operations by 40%. My expertise spans multiple industries, including IT, finance, telecommunications, and e-commerce. 🫴🏻What I Offer: ✅Data Science & Analytics: Advanced data analysis, time-series forecasting, and customer segmentation. ✅Machine Learning & AI: Development and deployment of ML models (regression, clustering, NLP, and recommendation systems). ✅Data Engineering & Management: End-to-end ETL processes, database design, and big data handling. ✅Quantitative Trading: Time-series analysis for financial forecasting and predictive modeling. Cloud Engineering: Optimized workflows using Google Cloud (BigQuery, Storage, ETL, and ML). ✅Data visualization: intuitive dashboards using Power BI and Looker Studio to turn insights into actions. ⚙️ Skills & Tools: ✅Programming & Tools: Python (Pandas, SciPy, Scikit-Learn, Plotly), SQL (Postgres, MySQL, GoogleSQL), MATLAB, Bash, Docker, Linux. ✅Cloud Platforms: Google Cloud Professional (certified in Data Engineering and ML Engineering). Machine Learning Applications: LangChain, transformers, OpenAI, chatGPT, LLM-based workflows. ✅Data Visualization: Power BI, Looker Studio (certified). ✅Statistical Expertise: Hypothesis testing, Monte Carlo simulations, and bootstrapping. ❓Why Work with Me? I bring a unique combination of technical expertise, strategic thinking, and a results-driven approach. Whether you need machine learning solutions, advanced analytics, or streamlined cloud-based workflows, I’m here to ensure your business achieves its goals. 💼Portfolio Highlights: ✅BI Implementation for Zepter Group: Led the deployment of BI systems across 16 companies, reducing reporting time by 40% and enabling real-time insights. ✅Churn Prediction for SaaS Businesses: Built AI models that reduced customer churn by 25%, improving retention and lifetime value. Quantitative Trading Analysis: Designed time-series models to forecast market trends, boosting trading efficiency by 20%. ✅Customer segmentation for a telecom leader: Applied clustering algorithms to improve upsell rates by 20% through targeted cross-sell strategies. Let’s collaborate to unlock your data’s full potential. Message me today to get started!NoSQL
Google SheetsMicrosoft ExcelCustomer SegmentationMarket AnalysisNoSQL DatabaseStatistical AnalysisSQLMicrosoft Power BIPythonMachine LearningArtificial IntelligenceData MiningETL PipelineETLData Extraction - $70 hourly
- 0.0/5
- (0 jobs)
As a Software Engineer Technical Lead, I specialize in the full JavaScript stack, including JavaScript, TypeScript, and Node.js, with a strong command of SQL and NoSQL databases. I have extensive experience designing, developing, and deploying scalable applications in AWS cloud environments. My expertise lies in building robust backend architectures and delivering highperformance solutions. I thrive in dynamic, fast-paced settings, guiding teams to success by fostering collaboration, mentoring engineers, and ensuring the delivery of high-quality software. With a deep passion for problemsolving and continuous learning, I always seek ways to optimize processes and adopt new technologies to drive innovation.NoSQL
Next.jsDevOpsCSSHTMLGitHubReact NativeNoSQL DatabaseSQLNestJSNode.jsReactTypeScriptJavaScriptWeb Development - $45 hourly
- 0.0/5
- (0 jobs)
“I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I’m experienced in HTML and CSS 3, PHP, jQuery, WordpPess and SEO I’ll fully project manage your brief from start to finish Regular communication is really important to me, so let’s keep in touch!NoSQL
FlaskWeb ApplicationJavaScriptPHPMySQLpandasReactLaravelBlockchainDjango StackDApp DevelopmentNoSQL DatabaseSoliditySmart ContractPython - $30 hourly
- 4.3/5
- (0 jobs)
Software architect with strong analytical skills and knowledge of agile methodologies and practices. Within 25 years experience has been working on system integration, business processes, distributed systems, web and desktop applications, databases, components, frameworks, network services, APIs, platforms, device communications, and enterprise software systems.NoSQL
ContainerizationBusiness Process ManagementSoftware IntegrationSoftware Architecture & DesignService-Oriented ArchitectureUnit TestingNoSQL DatabaseAutomationRelational DatabaseAgile Software DevelopmentWeb ApplicationJavaJavaScriptSpring FrameworkMicroservice - $15 hourly
- 0.0/5
- (0 jobs)
I'm (an experienced) Junior Software Engineer looking for new opportunities to further improve my experience by working on new and demanding projects. I'm an extremely motivated and organized person with a concrete goal in mind - becoming an exceptional Software Engineer, and not just a coder. I work with Angular on the frontend and C# on the backend, but I also have some experience in Java with Spring Boot. -excellent communication skills -delivery of the tasks /projects on (or before) due date -willing to learn new technologies on demand in order to work with them on the project -open to contract-to-hire opportunitiesNoSQL
NoSQL DatabaseSQLSpring BootJavaAngularBack-End DevelopmentFront-End DevelopmentWeb DevelopmentWeb ApplicationApp Development - $30 hourly
- 1.0/5
- (1 job)
I am a seasoned full-stack web developer with a proven track record in delivering impactful solutions across diverse domains of web development and enterprise solutions. Throughout my career, I have specialized in translating complex data into actionable insights that empower stakeholders. My work spans developing sophisticated applications, particularly within the healthcare sector. I leverage modern technologies like React for frontend development and Node.js, Java, Spring Boot for backend solutions. I am proficient in both SQL databases such as PostgreSQL and NoSQL databases like MongoDB, enabling flexible data management tailored to project needs. Additionally, I have hands-on experience implementing REST APIs and leveraging GraphQL to optimize data querying and enhance application performance. In addition to my backend expertise, I have extensive experience with containerization technologies such as Docker and orchestration tools like Kubernetes. This allows me to architect and deploy microservices-based applications efficiently, ensuring high availability and scalability. I also have a strong foundation in AWS, leveraging its services to build cloud-native applications and manage infrastructure effectively. I am deeply committed to client engagement, ensuring that I understand and meet client needs at every stage of the project. I excel in effective communication, guiding cross-functional teams, and presenting project goals clearly to diverse stakeholders. I am dedicated to continuous learning, keeping up with emerging technologies to deliver cutting-edge solutions. My academic background in Electrical Engineering and Computer Science, combined with practical experience, equips me to tackle complex challenges and deliver high-impact solutions. This blend of technical expertise in full-stack web development, SQL and NoSQL databases, REST API, GraphQL, containerization, AWS, and client-focused communication allows me to architect and deploy robust solutions that drive business success and adapt to evolving client needs.NoSQL
AWS ApplicationApache KafkaKubernetesDockerNoSQL DatabaseSQLAngularReactSpring FrameworkJavaTypeScriptJavaScript - $35 hourly
- 0.0/5
- (0 jobs)
Hello! I'm a dedicated software developer with strong expertise in web technologies. My skills span across full-stack development, and I am comfortable handling projects that involve complex systems, and robust backend architectures. I enjoy working on challenging projects, as I find that complexity brings out the best in my problem-solving abilities. I prioritize stability and security, building strong processes that lead to reliable, high-quality software. Here’s a quick overview of my skills: - Programming: Typescript, JavaScript (React, Node, Vue) - Databases: SQL, MongoDB, Elasticsearch, and ClickHouse. - Deployment & Testing: Experienced in deployment pipelines and automated testing. Some information about my non tech skills: I value clear communication and believe that frequent updates keep projects on track. I’m comfortable working independently or as part of a team, adapting my approach based on project needs. I respect deadlines and understand their importance for any project. I’m diligent in planning, prioritizing tasks, and ensuring timely delivery without compromising quality. Technology is always evolving, and I make it a priority to stay up-to-date with industry trends and best practices, continually refining my skills. I genuinely love programming and am passionate about technology. Tackling complex projects and bringing innovative ideas to life is what drives me. If you have a challenging project, I’d be excited to discuss how we can work together to achieve your goals!NoSQL
RESTful APIGraphQLNoSQL DatabaseSQLWeb APISoftware DevelopmentProduct DevelopmentWeb DevelopmentNext.jsReactNestJSNode.jsJavaScriptTypeScript - $25 hourly
- 0.0/5
- (0 jobs)
As a dedicated FullStack Developer with expertise in both .NET and React, I bring a unique blend of backend and frontend development skills. I have a proven track record of delivering robust and scalable web applications, ensuring seamless user experiences. Strengths and Skills: .NET Proficiency: Strong foundation in .NET Core, ASP.NET, and Entity Framework for building efficient server-side applications. React Mastery: Experienced in developing dynamic and responsive frontend interfaces using React, including state management with Redux and React Hooks. API Integration: Skilled in creating and consuming RESTful APIs to enable smooth communication between frontend and backend systems. Database Management: Proficient in SQL and NoSQL databases, ensuring data integrity and optimal performance. Deployment and CI/CD: Adept at deploying applications to various platforms and utilizing CI/CD pipelines for continuous integration and delivery.NoSQL
BootstrapHTML5JavaScriptAspDotNetStorefrontNoSQL DatabaseUser Identity ManagementC#ReactSQLREST APIApplicationFirebase Want to browse more freelancers?
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