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A highly experienced software developer and analyst with over 30 years of expertise in employing diverse software development languages, tools, and platforms to enhance, automate, and optimize processes. Demonstrates a proven ability to work effectively both independently and within team environments, think creatively, solve complex challenges, and deliver high-quality solutions. Proficient in full stack development, encompassing both back-end and front-end technologies, with extensive experience in cloud technologies, database management, and data visualization.
I’m a seasoned software and systems engineer with over 20years of experience building reliable, scalable applications in cloud environments like Azure. My work spans full-stack development, infrastructure automation, and system design, with a strong focus on performance, security, and maintainability. I’ve led teams through digital transformations, implemented CI/CD pipelines, and optimized architectures for distributed systems. I’m passionate about continuous learning and enjoy solving complex problems through thoughtful engineering. Outside of work, I freelance, contribute to open-source projects, and mentor aspiring developers.
Ordered to Chicago by Steve Jobs back in the day and since brought the internet and now doing mostly mobile and migrations with international teams with several apps in the App Store today with backends in the cloud/AWS/GCP. Working from home with the kids nearby. Hosted the first iOS dev camp in the midwest in my living years ago, now bringing the cost of mobile dev down with new frameworks and saas. Saved and deployed first arbitrage trading platform back in the day, Now looking for the next challenge.
Hi there, I'm a software systems developer specializing in low-level programming (Nim & C), and passionate about developing hard real-time solutions. Show me a bottleneck and I'll fix it with joy. My two decades of programming experience -- including game-programming, legacy code maintenance and research-related tooling -- makes me qualified to implement your project. I'm a good communicator, easy to work with, and looking forward to hear from you.
Hi, I’m Daniel Duan, a Senior iOS Software Engineer based in Sunnyvale. I’ve been building iOS apps professionally for over a decade, with a focus on performance, architecture, and user experience. My background includes working at companies like Apple, Lyft, and drchrono, where I’ve contributed to everything from system-level frameworks to consumer-facing apps used by millions.
I’m a Unity developer with over a decade of experience building games across indie teams, mid-size studios, and remote setups. I’ve led multiplayer implementations, created over 40 prototypes of hypercasual games,optimized live games with 25K+ DAU, and built award-winning titles. Equally comfortable prototyping solo or scaling production code in structured teams. I value clean architecture, performance, and staying player-first in every decision.
I'm a committed, team-oriented, hustler with strong communication skills and over 10 years of working experience. Using a wide array of platforms, systems, development tools and languages. I am able to work closely with UX and graphics designers to develop responsive interfaces. I believe in data-driven visualization to influence decisions on how to build dynamic interfaces to support designs.
IT Professional with 10+ years of experience in Data Engineering, Machine Learning, and Software Development, specializing in big data processing, ETL pipelines, and predictive analytics. Strong expertise in SQL optimization (Oracle, ClickHouse, SQL Server), Python, PySpark, and cloud platforms (GCP). Proven track record in credit risk modeling, real-time analytics, and high-performance database design. Skilled in automating workflows, building scalable data architectures, and deploying machine learning models to drive business insights. Combines technical proficiency with strategic problem-solving to deliver efficient, data-driven solutions.
Senior full stack commercial software developer with 9 years of experience put of which the past 7 years are Flutter/Dart based while utilizing various tech stacks such as: RESTful APIs, Node.js, Google Cloud Platform, Firebase, Payment gateways (PayPal and Stripe), AI, ML, LLMs and many more. I have developed over 20+ applications of various scales and dynamics. I have a Master's Degree in Advanced Computer Science and Bachelor's Degree in Computer Science.
After more than 10 years of experience as a CTO for an IoT company focused on B2B, I have developed an expertise in the conception and production of complex Iot and IIoT products from A to Z, from the definition of all the architectures and the development of all the needed software and hardware parts, being either embedded with a strong expertise in Zephyr RTOS, in the Cloud using AWS and Spring Boot or a frontend using Angular.
At Techamana, we maintain the highest standards in developer selection. Our Database Design experts undergo a comprehensive 4-step vetting process that evaluates technical skills, problem-solving abilities, communication skills, and team and culture fit. Only the top 5% of applicants pass our rigorous screening, ensuring you work with exceptional talent who can deliver outstanding results for your projects.
Rigorous coding challenges and problem-solving tests to evaluate Database Design proficiency and best practices.
Thorough examination of past projects and contributions to open-source Database Design repositories to assess real- world experience.
Video responses for open-ended questions to assess problem-solving ability, communication skills, and team and culture fitment.
When hiring a Database Designer, seek entity-relationship modeling, 3NF normalization, and indexing strategy expertise.
Candidates should design for relational (PostgreSQL/MySQL) and NoSQL (MongoDB/Cassandra), create warehousing schemas, and manage ETL processes.
Industry insights and best practices
Database design is crucial for building efficient and scalable applications. Modern database design principles focus on normalization, data integrity, and performance optimization.
Relational databases are widely used for storing structured data, and proper design is crucial for performance and scalability.
NoSQL databases are used for storing unstructured or semi-structured data, and their design requires different considerations.
Data warehousing involves designing databases for storing and analyzing large amounts of data for business intelligence.
Data modeling is the process of creating a visual representation of the data structure, which is essential for database design.
Majority of our clients choose to continue working with our talent after their initial project
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