Danylo Pitsin

Danylo Pitsin

$40/hr
Senior Full Stack AI | AI MVP, AI Agent, SaaS, RAG, LLM, Python
Reply rate:
-
Availability:
Hourly ($/hour)
Location:
Poltava, Poltava, Ukraine
Experience:
7 years
Danylo Pitsin Summary: Professional Software Engineer with a comprehensive background in AI Agent development, automation, and API management. Extensive experience in building and integrating RESTful APIs and GraphQL services using Java, Kotlin, Node.js, and microservices architecture. Skilled in developing AI-driven solutions using automation tools and no-code platforms to streamline processes and enhance business operations Adept at CRM integration to optimize customer relationship management through innovative and automated solutions. Proven ability to design, build, and maintain efficient and scalable systems. Passionate about developing maintainable code, using the latest technologies, and working in a collaborative environment. Committed to working in a collaborative environment to drive technological advancements and business growth. Experienced in AWS(lambda, DynamoDB, SQS, EC2, EKS, Cloud Build) and GCP(GKE, GCP functions, etc) Education: Bachelor’s Degree in Computer Science, Taras Shevchenko National University of Kyiv Skills: Open AI, DeepSeek, Claude, Gemini, LaMDA AI Voice Agent, Twilio, SIP Trunk, Retell, VAPI Automation, n8n, make.com, Zapier CRM, Zoho, GHL, Hub Spot, Salesforce API, API Integration, API Development SQL, Oracle, Graph QL Machine Learning, Data Science, Data VI (Power BI), RAG Agent Javascript/Typescript (Node, Nest, React, Angular) BigData, Apache spark Multithreading Docker, OpenShift, Kubernetes TDD – Junit, Mockito, JMeter Elastic Cache/Redis Terraform, Helm Web Scraping, Selenium, Web Driver AWS & GCP Python(Flask, FastApi, Django), go Professional Experience TaxFree4Life US May 2024 - Current Senior Specialist Developed and integrated AI solutions using OpenAI, Gemini, and LaMDA, enhancing the intelligence and responsiveness of application features. Implemented AI Voice Agents through platforms such as Twilio, leveraging VAPI for seamless voice communication and Retell for enhanced Inbound & Outbound Call handling. Automated workflows using n8n, Make.com, and Zapier, streamlining processes and increasing operational efficiency across various departments. Developed dynamic web applications using JavaScript and TypeScript frameworks such as Node, Nest, React, and Angular, delivering user-centric and responsive interfaces. Leveraged Big Data technologies and Apache Spark to process and analyze large datasets, improving data-driven strategies and business intelligence. TonyDuranteLLC Boston, US Nov 22024 - Jan 2025 CRM & Automation Specialist Managed CRM integrations with platforms like Zoho, GHL, HubSpot, and Salesforce, optimizing customer relationship management through automated and data-driven solutions. Led API development and integration efforts, ensuring seamless connectivity between systems and enhancing functionality through robust API designs. Utilized SQL, Oracle, and GraphQL to manage and query complex datasets, improving data accessibility and decision-making processes. Applied machine learning and data science techniques to develop predictive models and data visualizations using tools like Power BI and RAG Agent, providing actionable insights to stakeholders. CAN Insurance Arkansas, US April 2023- May 2024 Software engineer Contributed to the Watson AI project by developing automation features that streamlined client operations. Assisted in the deployment of AI agents tailored to specific industries, enhancing the adaptability of Watson in healthcare and finance. Collaborated on the integration of voice command capabilities in AI solutions, improving user accessibility and interaction. Provided documentation and user guides for AI agent features, facilitating smoother client onboarding and use. AVANAN New York, US Feb 2015- Feb 2017 Backend Developer Responsible for backend API development in Python &NodeJS Responsible for deployment & management of NodeJS WebSocket Service in AWS Lambda Responsible for deployment & management of Python Backend Service in AWS EC2 instance – Ubuntu Server Partnering with teammates to discuss about solutions Responsible for identifying the gap, coordinate with external team for dependency resolution and closing the gap Responsible for analysis big database with mongoDB SQL query optimization with GraphQL Partnering with Scrum master and Product manager in daily scrum call, resolving impediment related to mapping document, sprint planning and PI planning Linte São Paulo, Brazil May 2013 – Jan 2015 Backend Developer Responsible for development and guidance junior developers in the technical stacks: NodeJS, ReactJS, MongoDB, AWS Recognition, AWS S3, AWS Lambda. Responsible for infrastructure and management of AWS Clouding Services including payment role. Responsible for development of backend apis in Java (Spring Boot Framework). Implementedload-balancingwithnginxtoallowNodeJSinstancestohandleconcurrentusers. Node.js, MongoDB with Mongoose, TypeScript and Express & express middleware Used MySQL and NoSQL on the backend Worked closely with System Administrators to take ownership of the product's operations and metrics Worked on RESTful API design and development Responsible for suggestion of the best solutions to scale the product
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