Hire the Best Apache Developers
in Estonia
Tallinn, Estonia
I'm an experienced ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ๐๐ง๐ ๐ข๐ง๐๐๐ซ and ๐๐๐ง๐๐ซ๐๐ญ๐ข๐ฏ๐ ๐๐ specialist with a background in ๐๐๐ญ๐ ๐๐ง๐ ๐ข๐ง๐๐๐ซ๐ข๐ง๐ with extensive experience in designing and implementing end-to-end AI and ML solutions. My expertise spans various industries, and I've worked with multi-national teams to deliver innovative solutions. ๐๐ Are you looking to optimize your data engineering pipelines or leverage advanced machine learning for real-world impact? Need assistance in designing and deploying robust AI and ML solutions in your business environment? Let's connect and transform your ideas into actionable outcomes. ๐ง๐ปโจ โ๏ธCore Services โ Generative AI and Large Language Models (LLMs)๐ค โขย Proficient in AutoGen and GPT-3.5-turbo for a range of generative AI applications, from code generation to task automation. โข Experienced in creating multi-agent frameworks, conducting reinforcement learning with human feedback (RLHF), and integrating document processing and analysis with tools like ChatGPT and Langchain. โขย Skilled in designing complex workflows, implementing custom prompts, and exploring parameter-efficient fine-tuning techniques to optimize LLM performance. โ Machine Learning and Predictive Analytics๐ โขย Built ML models for sales forecasting, financial analysis, and other predictive tasks. โขย Strong background in PySpark and ML algorithms like Prophet and SARIMAX. โขย Used Google BigQuery, Google Dataproc, and Apache Airflow for orchestration in various projects. โ Data Engineering and ETL Pipelines ๐ โข Specialize in designing, optimizing, and migrating ETL pipelines using Azure Data Factory, Databricks, Google Cloud Platform (GCP), and more. โข Extensive experience in large-scale data transformation and efficient data flow. โ Chatbot Development๐ฌ โข Design and deploy intelligent chatbots integrated with various data sources or APIs to enhance customer engagement and streamline business processes. โ Custom Python Scripting and APIs ๐ โขDevelop custom Python scripts and APIs to interact with databases, AI models, and other software systems, enabling seamless automation and integration with existing workflows. ๐๐ง๐ข๐ช๐ฎ๐ ๐๐จ๐ฆ๐ฉ๐๐ญ๐๐ง๐๐ข๐๐ฌ: ๐๐๐ซ๐๐ฆ๐๐ญ๐๐ซ-๐๐๐๐ข๐๐ข๐๐ง๐ญ ๐ ๐ข๐ง๐-๐๐ฎ๐ง๐ข๐ง๐ (๐๐๐ ๐) โ: I have expertise in advanced LLM techniques, including fine-tuning, chain-of-thought prompting, and reinforcement learning with human feedback (RLHF). ๐๐-๐๐๐ฌ๐๐ ๐๐ฎ๐ฌ๐ข๐ง๐๐ฌ๐ฌ ๐๐ฎ๐ญ๐จ๐ฆ๐๐ญ๐ข๐จ๐ง โก: I can help you automate business processes and boost efficiency using AI and ML techniques. ๐๐๐ฌ๐๐๐ซ๐๐ก, ๐๐จ๐ง๐ฌ๐ฎ๐ฅ๐ญ๐๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ ๐ฌ: I offer expert guidance and hands-on development in AI and ML, focusing on delivering practical solutions to real-world challenges. ๐๐๐ญ'๐ฌ ๐๐จ๐ง๐ง๐๐๐ญ: ๐ก If you're interested in exploring the potential of AI, data engineering, or machine learning for your business, I'd love to hear from you. Let's discuss your requirements and create tailored solutions to meet your unique needs. Together, we can drive innovation and transform your vision into reality. #MachineLearningEngineer #GenerativeAI #LLMDeveloper #ChatGPTExpert #AutoGen #Langchain #AIConsultant #OpenAI #NLPDeveloper #RLHF #FineTuningLLMs #FreelanceAI #RemoteMLJobs #HireMachineLearningEngineer #AIExpertForHire #FreelanceDataEngineer #RemoteAIProjects #HireLLMExpert #AvailableForFreelance #AIAutomation #AIForBusiness #FintechAI #AIInHealthcare #PredictiveAnalytics #RealEstateAI #SalesForecastingAI #CustomAIDevelopment #AIChatbots #AIInnovation #TechFreelancer #AIProject #PythonDeveloper #FreelancerLife #DataScience #ArtificialIntelligence #TechConsultant #NextGenAI #BuildWithAI
- Databricks Platform
- Apache Spark
- MLflow
- Machine Learning
- Python
- ETL Pipeline
- Apache Airflow
- PySpark
- Google Cloud Platform
- CI/CD
- Microsoft Azure
- Generative AI
- LLM Prompt Engineering
- LangChain
- Retrieval Augmented Generation
Tallinn, Estonia
I'm a senior Aussie developer living in Europe. - 9000+ hours on upwork - 100% success rating top rated plus My skill set is as follows. ๐ Backend skills: โโโ PHP 7.x โโโNodeJS โโโLaravel Framework (5.x) โโโ NestJS โโโ Prisma ORM โโโ Graphql subscription, graphql-codegen, type-graphql โโ CQRS โโ AdonisJS โโโ Composer โโโAdvanced architectural design patterns ๐ผ Frontend: โโโReact โโโVueJS โโโ Vuex โโโ Material UI โโโ Vuetify โโโ Quasar โโโ Redux, Saga, Observables, Thunk โโ AngularJS (1.x, 4+) โโโ RXJS โโโ WebpackJS, GruntJS/Gulp โโโ GraphQL , GraphQL subscriptions, cache, link state ๐ Databases: โโโ Mysql โโโPostgres โโ Cassandra โโ MongoDB ๐Caching: โโโ Redis with clusters โโmemcache ๐ Streaming: โโโ Websockets โโโ socket.io + Pusher + PubNub โโโ Redis Pub/Sub โ Dev-ops: โโโ Kubernetes โโโ K8s Secrets / Namespaces โโโ Helm charts โโโ Linux/Apache/Nginx/Varnish Cache โโโ Jenkins / Bamboo CI / Buddy โโโ Docker and VirtualBox โโโ AWS / s3 / Route 53 / ECS / EC2 / ECR / EKS / GCP / Azure / Amplify โโโ AWS Serverless โโโ Testing: Cypress, PHPUnit, Jest, Mocha, Chai โโโ E2E/BDD/TDD Unit Testing / Protractor / Selenium โโโ Kubernetes Secrets management AI: โโโ Knowledge of OpenAI endpoints โโโ Api integration with eleven labs voice platform โโโ Langchain / AutoGPT / SQLAgent I have over 16+ years worth of commercial software development experience and my primary languages are PHP and typescript. I have developed solutions which suit people who want to develop cloud based SaaS to market. ๐งฑ API Development: โโโTwilio โโโ Docusign API โโโ Tesseract โโโPyTesseract โโโBacktrader โโโ OpenCV โโโ Pyfolio โโโ OpenGL โโ Tensorflow โโโStripe โBrainTree โโโPusher ๐งฟ Version Control: โโโ GIT โโโ Git Hooks โโโ Git auto-deploy
- DevOps
- Vuex
- Stripe
- NestJS
- TypeScript
- Laravel
- GraphQL
- React
- Node.js
- Material UI
- Vue.js
- JavaScript
- PHP
- Web Application
- Kubernetes
Tallinn, Estonia
Hey, Most companies have data. Very few actually use it to make better decisions. Raw, messy data can be turned into ๐ฐ๐น๐ฒ๐ฎ๐ฟ ๐ฑ๐ฎ๐๐ต๐ฏ๐ผ๐ฎ๐ฟ๐ฑ๐, ๐ฟ๐ฒ๐น๐ถ๐ฎ๐ฏ๐น๐ฒ ๐ฝ๐ถ๐ฝ๐ฒ๐น๐ถ๐ป๐ฒ๐, ๐ฎ๐ป๐ฑ ๐ฎ๐ฐ๐๐ถ๐ผ๐ป๐ฎ๐ฏ๐น๐ฒ ๐ถ๐ป๐๐ถ๐ด๐ต๐๐ that teams actually use. ๐๐บ๐ฝ๐ฎ๐ฐ๐ ๐โ๐๐ฒ ๐๐ฒ๐น๐ถ๐๐ฒ๐ฟ๐ฒ๐ฑ: โข Scaled BI adoption from 20 โ 80+ users โข Reduced ETL processing time by 80% (35 โ 7 mins) โข Improved user retention by 10% โข Increased trade success rate by 14% using ML scoring โข Detected fraud patterns improving conversions ๐ช๐ต๐ฎ๐ ๐ ๐๐ผ: Data & Dashboards: โข Executive dashboards & KPI tracking โข Business intelligence reporting ๐๐ฎ๐๐ฎ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ๐ถ๐ป๐ด: โข ETL pipeline design & optimization โข Data warehouse architecture ๐๐ป๐ฎ๐น๐๐๐ถ๐ฐ๐ & ๐๐ป๐๐ถ๐ด๐ต๐๐: โข Product analytics (funnels, retention, behavior) โข A/B testing & experimentation โข SQL analysis & performance tuning ๐๐ผ๐ฟ๐ฒ ๐ฆ๐ธ๐ถ๐น๐น๐: โข Data Analytics โข Business Intelligence โข Data Visualization โข Data Modeling โข Data Warehousing โข ETL Development โข Product Analytics โข A/B Testing & Experimentation โข Dashboard Development โข KPI Design & Reporting โข SQL Optimization ๐ง๐ผ๐ผ๐น๐ & ๐ง๐ฒ๐ฐ๐ต๐ป๐ผ๐น๐ผ๐ด๐ถ๐ฒ๐: ๐๐ฎ๐๐ฎ๐ฏ๐ฎ๐๐ฒ๐: โข PostgreSQL โข MySQL โข ClickHouse โข Amazon Redshift ๐ฉ๐ถ๐๐๐ฎ๐น๐ถ๐๐ฎ๐๐ถ๐ผ๐ป: โข Tableau โข Power BI โข Looker โข QlikView โข QlikSense ๐๐ฎ๐๐ฎ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ๐ถ๐ป๐ด: โข Airflow โข DBT โข SSIS โข Talend โข Pentaho ๐ฃ๐ฟ๐ผ๐ด๐ฟ๐ฎ๐บ๐บ๐ถ๐ป๐ด & ๐๐น๐ผ๐๐ฑ: โข Python โข SQL โข AWS ๐๐ผ๐ ๐ ๐ช๐ผ๐ฟ๐ธ: โข Focus on business outcomes, not just reports โข Build scalable, reliable data systems โข Communicate clearly with stakeholders ๐ค ๐๐ฒ๐โ๐ ๐ช๐ผ๐ฟ๐ธ ๐ง๐ผ๐ด๐ฒ๐๐ต๐ฒ๐ฟ Need someone to ๐ผ๐๐ป ๐๐ผ๐๐ฟ ๐ฑ๐ฎ๐๐ฎ ๐ณ๐ฟ๐ผ๐บ ๐ฝ๐ถ๐ฝ๐ฒ๐น๐ถ๐ป๐ฒ โ ๐ถ๐ป๐๐ถ๐ด๐ต๐๐? Send me a message and letโs discuss your project. ๐๐ฒ๐๐๐ผ๐ฟ๐ฑ ๐๐ผ๐ ๐ฐ๐ฎ๐ป ๐๐๐ฒ ๐๐ผ ๐ณ๐ถ๐ป๐ฑ ๐บ๐ฒ: Data Analytics, Business Intelligence, SQL, Tableau, Microsoft Power BI, Looker, Data Visualization, ETL, Data Warehousing, Amazon Redshift, PostgreSQL, MySQL, Python, Apache Airflow, DBT (Data Build Tool), Product Analytics, A/B Testing, Data Modeling, Dashboard Development, AWS
- Data Analytics
- Business Intelligence
- SQL
- Tableau
- Microsoft Power BI
- Looker
- Data Visualization
- ETL
- Data Warehousing
- Amazon Redshift
- PostgreSQL
- MySQL
- Python
- Apache Airflow
- dbt
- Product Analytics
- A/B Testing
- Data Modeling
- Analytics Dashboard
- Amazon Web Services
Tallinn, Estonia
Iโm a Senior Backend Engineer and Software Architect with 9+ years of experience building systems that donโt just work but scale, evolve, and stay maintainable over time. I focus on designing and delivering high-performance, reliable backend systems from early-stage concepts to production systems handling real-world complexity. My work spans microservices architecture, event-driven systems, real-time applications, and modern data platforms (including vector databases). I help teams move from "it works" to systems that are clear, stable, and ready to grow. Over the years, Iโve built and maintained platforms across: - Messaging - Audio & Video Streaming - Ride-sharing - eCommerce - FinTech - EdTech - IoT - Blockchain - Enterprise SaaS often operating at scale, with complex workflows and millions of users. What I bring โข Strong backend architecture, systems that are easy to reason about and extend โข Deep experience in microservices and event-driven design (Kafka, Temporal, Debezium) โข Real-time systems expertise, messaging, streaming, live data pipelines โข End-to-end ownership, from system design to production deployment โข A focus on clarity, not just code, but how everything fits together Tech I work with - Java (Spring Boot), Golang (Fiber), Python (FastAPI) - PostgreSQL, Redis, MongoDB, ElasticSearch, Cassandra, Weaviate - Kafka, RabbitMQ, Temporal, Airflow - Docker, Kubernetes, AWS (plus real-time protocols like WebRTC, MQTT, XMPP when needed) If your system is growing in complexity, slowing down, or becoming harder to evolve thatโs usually where I can help the most. Letโs build something that lasts.
- RESTful API
- GraphQL
- PostgreSQL
- Java
- Kubernetes
- Golang
- MQTT
- Docker
- Distributed Computing
- Software Architecture & Design
- Spring Boot
- Apache Kafka
- RabbitMQ
- API
- Vector Database
Tallinn, Estonia
๐ฅ TOP 1% EXPERT-VETTED TALENT | ๐ฏ 100% Customer satisfaction rate | ๐ 16+ years of experience ๐ฌ "The communication with the team was outstanding and that's what really helped clear the slightest misunderstanding that could arise. The platform is exactly how we imagined it and we will surely rehire Shapelab in the future." Anaรฏs Thys - Business Development Manager at Taobรฉ SPRL ๐ฌ "You only need four words to describe Shapelab Oร: they make it happen." Luciano Bonanno - CEO at Cigno Technology LTD โก๏ธ WHAT I DO: I help software businesses to transform digitally by providing high-end expert software engineering and consultancy services. โก๏ธ HOW I DO IT: With long-standing experience across the full software development life-cycle, Shapelab Oร has the ability to build qualified and flexible teams for your specific project needs, get up to speed with its goals and start delivering the results instantly. We have experience working in various fields, such as Beauty, Wedding, Real Estate, Insurance and Financial Advising, Crypto Currency Exchange Markets. โก๏ธ WHO I WORK WITH: Having worked with high-growth teams across many industries Shapelab Oร focuses on software businesses looking to improve their tech side or bring new projects to life. Shapelab Oร is ready to serve as a full-stack firm capable of undertaking end-to-end any software application development projects (PHP, Laravel, CodeIgniter, WordPress, JavaScript, ReactJS, VueJS, ReactNative, Amazon Web Services) for both market leaders and emerging businesses that are highly scalable. โก๏ธ WHAT I DELIVER: Shapelab Oร provides you with a 100% production-ready solution based on top quality and well-documented code built and secured to the highest standards. Our team can surely handle the platforms with big databases (up to 2TB) and millions of monthly hits. โญ๏ธ Skills - PHP: Laravel, CodeIgniter, Symfony, PHPSlim, CakePHP - Python: Django, Fast API - JavaScript: TypeScript, ReactJS, VueJS - Mobile app development: ReactNative, Flutter, Swift, Kotlin - Database: MySQL, PostgreSQL, ElasticSearch, MongoDB - Cache: Redis, Memcached - Search engine: ElasticSearch, Sphinx - Cloud infrastructure: AWS, Azure ๐ CONTACT ME: If you know anyone that we can help - reach me out and we'll benefit from being connected!
- Elasticsearch
- Vue.js
- HTML
- PHP
- Laravel
- CSS
- Amazon Web Services
- Startup Consulting
- MySQL
- Web Development
Rae, Estonia
Iโm a Full Stack Software Engineer with 8+ years of professional experience building scalable software systems, modern web applications, and cloud-ready microservices. I specialize in improving existing systems, adding new features, fixing complex bugs, and building production-ready applications from scratch. Many of the projects I work on involve business-critical platforms where reliability, scalability, and clean architecture matter. I hold both a Bachelorโs and a Masterโs degree in Software Engineering, and I bring a strong engineering mindset with a focus on maintainability, performance, and long-term product success. What I Can Help You With โ Building scalable microservices architectures โ Developing full stack web applications โ Improving or refactoring existing codebases โ Fixing performance issues and difficult bugs โ Designing and building REST APIs โ Integrating databases and cloud services โ Setting up CI/CD pipelines and cloud deployment Core Technologies Backend Java (Spring Boot) Python (Flask) Microservices architecture REST APIs Frontend React JavaScript / TypeScript Bootstrap Ant Design Mobile Flutter Databases PostgreSQL MySQL Elasticsearch H2 NoSQL systems Cloud & DevOps AWS Google Cloud Platform (GCP) Docker (if you use it, add it) CI/CD: GitHub Actions, Jenkins, Bitbucket Pipelines, Octopus Other Git Test-Driven Development (TDD) Cucumber / Acceptance Testing Functional programming (Elixir) Development Environment I regularly work with: IntelliJ IDEA, PyCharm, WebStorm, DataGrip, Ubuntu, and Windows servers.
- Elixir
- Dart
- PostgreSQL
- Spring Boot
- HTML5
- Docker
- React
- TypeScript
- SQL
- JavaScript
- Java
- Flutter
- Heroku
- Phoenix
- API
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