Adam C.
Senior Software Engineer
Experience
Senior Software Engineer
Comarch
Designed and implemented a data analytics platform integrating React (TypeScript) with FastAPI microservices.
Developed custom React components, dynamic charts with Recharts, and interactive tables powered by React Query and Redux Toolkit.
Created secure RESTful APIs and async workers in Python to process millions of financial transactions daily.
Integrated PostgreSQL, Redis, and Celery for background task orchestration.
Built real-time data pipelines using WebSockets and Server-Sent Events (SSE).
Deployed containerized applications using Docker, Kubernetes, and Helm charts on AWS EKS.
Implemented continuous integration and automated testing through GitHub Actions and PyTest.
Built and monitored system performance with Prometheus and Grafana.
Collaborated with product and data teams in Agile sprints, mentoring junior developers and enforcing code quality.
Delivered a real-time financial dashboard visualizing 1M+ data points with <300ms latency.
Reduced API response time by 50% via async I/O and optimized database queries.
Standardized reusable React component library adopted across 5 enterprise products.
Technologies: React, TypeScript, Redux Toolkit, React Query, Python, FastAPI, PostgreSQL, Redis, Celery, Docker, Kubernetes, AWS, Prometheus, Grafana, PyTest, GitHub Actions, Agile.
Full Stack Developer
STX Next
Built responsive React frontends with Hooks, Context API, and Ant Design UI library.
Developed RESTful and GraphQL APIs with Django REST Framework, connected to PostgreSQL.
Implemented advanced data filtering and aggregation logic on the backend.
Managed background tasks with Celery and RabbitMQ for real-time notifications.
Created interactive dashboards using Chart.js and Highcharts integrated into React components.
Wrote end-to-end tests with Cypress, Jest, and PyTest.
Integrated third-party services such as Stripe, Google Maps, and OpenAI API.
Automated deployments using Docker, GitLab CI/CD, and Ansible scripts.
Conducted peer reviews, mentoring sessions, and architectural design discussions in Agile teams.
Delivered B2B finance dashboard used by over 120 enterprise customers.
Reduced frontend bundle size by 35% through tree-shaking and code splitting.
Improved backend scalability with async Django views and caching strategies.
Technologies: React, JavaScript, TypeScript, Python, Django, Django REST Framework, PostgreSQL, Redis, Celery, RabbitMQ, Docker, GitLab CI/CD, Chart.js, Cypress, Jest, Agile.
Full Stack Developer
SoftServe
Built interactive React dashboards using Hooks, D3.js, and WebSockets for real-time sensor visualization.
Designed and deployed RESTful APIs using Flask with SQLAlchemy ORM.
Integrated JWT-based authentication, role management, and audit logging.
Implemented data storage with PostgreSQL and caching via Redis.
Automated data ingestion pipelines using Celery and Airflow.
Deployed scalable microservices to Google Cloud (GKE) using Docker and Kubernetes.
Enhanced UI/UX performance through memoization, lazy loading, and bundle optimization.
Introduced integration tests with PyTest and Cypress improving reliability by 25%.
Developed an IoT dashboard handling 10K+ concurrent devices.
Increased API throughput by 40% through query optimization and connection pooling.
Recognized for leadership in refactoring monolithic codebase to microservices.
Technologies: React, Python, Flask, SQLAlchemy, PostgreSQL, Redis, Docker, Airflow, D3.js, WebSockets, JWT, Kubernetes, Cypress, PyTest, Agile.
Backend Developer
Future Processing
Designed and developed Django REST APIs for secure medical record handling.
Created dynamic admin dashboards and form builders using React and Bootstrap.
Implemented database schemas, migrations, and indexing with PostgreSQL.
Built test automation suite with unittest and Selenium.
Participated in Agile ceremonies and ensured high-quality delivery through code reviews.
Delivered HIPAA-compliant medical data backend serving 5M+ records.
Reduced system downtime by 35% via fault-tolerant API refactoring.
Promoted after consistent high performance and reliability in production delivery.
Technologies: Python, Django, React, PostgreSQL, REST APIs, Bootstrap, Selenium, unittest, Docker, Git, Agile.
Summary
Highly skilled Senior Software Engineer with over 10 years of experience developing and deploying scalable, data-driven web applications using React and Python. Specialized in designing high-performance full-stack architectures, integrating RESTful and GraphQL APIs, and optimizing frontend-backend communication. Adept at building modular, reusable components with React Hooks and TypeScript, and implementing robust backend services with Python (Django, FastAPI, Flask).
Strong background in microservices, cloud deployments (AWS, GCP, Azure), and CI/CD automation with Docker and GitHub Actions. Experienced in Agile teams, code reviews, and mentoring developers to deliver production-ready software. Passionate about clean architecture, automated testing, and performance optimization, ensuring every line of code is maintainable, efficient, and aligned with business goals.
Languages
Education
Singapore University of Technology and Design
Bachelor’s Degree · Computer Science · Singapore
Certifications & licenses
AWS Certified Developer – Associate
Python Advanced Developer
React Professional Frontend Engineer
Similar Freelancers
Discover other experts with similar qualifications and experience
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.