Hire the Best Database Freelancers
in Poland

I am a professional freelancer with THIRD PARTY LIABILITY INSURANCE for over two and a half million dollars, so you are in safe hands. I am Microsoft Certified Trainer, Office 365, GCP, AWS, and Azure Expert. Honored as Microsoft Most Valuable Professional in Azure area. I cover architecting, security, administrating, and migration of all three major clouds – Azure, AWS, and GCP. Apart from the main area of Cloud expert in the field of infrastructure servers Windows Server 2003-2016, Microsoft Active Directory, Hyper-V Private Cloud, IIS, System Center, SQL. Private Cloud, System Center, Hyper-V, Open Stack Expert, and all Microsoft products Expert. Linux Server administrator. I am the holder of certificates: • pSeries AIX UNIX Support • First Certificate in English • PRINCE2 Practitioner • Microsoft Certified: Azure Administrator Associate • Microsoft® Certified Solutions Expert: Cloud Platform and Infrastructure • Microsoft® Certified Solutions Associate: Cloud Platform • Microsoft® Certified Solutions Expert: Productivity • Microsoft® Certified Solutions Expert: Data Management and Analytics • Microsoft® Certified Solutions Associate: Windows Server 2016 • Microsoft® Certified Solutions Associate: Windows 10 • Microsoft Specialist: Configuring Windows Devices • Microsoft Specialist: Architecting Microsoft Azure Solutions • Microsoft Certified Solutions Developer: Azure Solutions Architect • Microsoft Specialist: Developing Microsoft Azure Solutions • Microsoft® Certified Solutions Expert: Data Platform • Microsoft Specialist: Implementing Microsoft Azure Infrastructure Solutions • Microsoft® Certified Solutions Associate: Office 365 • Microsoft® Certified Solutions Expert: Private Cloud • Microsoft® Certified Solutions Expert: Messaging • Microsoft® Certified Solutions Associate: SQL Server 2012/2014 • Microsoft® Certified Solutions Associate: Windows Server 2012 • Microsoft® Certified Solutions Expert: Server Infrastructure • Microsoft® Certified IT Professional: Enterprise Administrator on Windows Server 2008 • Microsoft® Certified Solutions Associate: Windows Server 2008 • Microsoft® Certified Technology Specialist: Windows Server 2008 Applications • Microsoft® Certified Technology Specialist: Windows Server 2008 Network • Microsoft® Certified Technology Specialist: Windows Server 2008 Active Directory • Microsoft® Certified Technology Specialist: Microsoft Exchange Server 2010

Do you have a slow SQL Server query, a broken SSIS package, or a complex stored procedure that needs fixing? I am a Senior T-SQL Developer and Database Engineer with extensive experience in high-transaction environments where business logic resides within the database ("Thick Database" architecture). I specialize in troubleshooting, optimizing, and developing robust database solutions. Whether you need a quick fix for a performance issue or a long-term partner for backend development, I can help. HERE IS HOW I CAN HELP YOU: SQL PERFORMANCE TUNING I will analyze your slow queries and Execution Plans to reduce runtimes from minutes to seconds. I specialize in indexing strategies and code refactoring. T-SQL DEVELOPMENT & BUG FIXING I can write or fix complex Stored Procedures, Functions, Triggers, and Views. I have a strong background in L3 Support, so I am used to finding root causes quickly. ETL & DATA INTEGRATION (SSIS) I can build, fix, or modify SSIS packages. I have experience integrating data from various sources, including Oracle and third-party APIs. MIGRATION & DATA INTEGRITY Need to move data or update your schema? I write safe, reliable migration scripts to ensure your data remains consistent. WHY WORK WITH ME? - I am communicative and transparent (years of experience in direct client support). - I focus on long-term stability, not just quick patches. - I am available for ad-hoc tasks and part-time cooperation. Tech Stack: Microsoft SQL Server, T-SQL, SSIS, Oracle (Integration), SSMS, Git. Let's discuss how I can improve your database performance today!

Hello! I’m Ewa. I am a dedicated freelancer with a global perspective, specializing in customer service for both the Spanish and Polish markets. With extensive experience in various support channels—including call support, email, and chat service -I bring a comprehensive understanding of client needs and expectations. My experience as a project coordinator (AI field) has honed my organizational skills and enhanced my ability to manage multiple tasks efficiently. In addition to my project management skills, I offer professional copywriting and translation services, ensuring your content is not only accurate but also engaging for your target audience. Moreover, I am skilled in mystery shopping and data research, providing valuable insights and analyses to help businesses improve their offerings. I also teach Spanish, helping others enhance their language skills and confidence. I am passionate about delivering high-quality work and building long-term relationships with my clients. Feel free to reach out- I’d be more than happy to discuss how I can assist you with your project!

I build and rescue software where weak engineering gets expensive. ⭐ 10+ years delivering software for billion-dollar enterprises ⭐ Enterprise delivery for PPG & Thomson Reuters / engineering experience from JPMorgan, Google, Nike, Uber & Bank of America ⭐ Make Certified Partner + Zapier Solutions Partner ⭐ 12,000+ websites optimized in one production ecosystem ⭐ 16,000+ orders processed through a platform we delivered ⭐ 20× API performance improvement on a live franchise platform ⭐ 92% client return rate - our first client is still our client today And one rule: no junior handoff. We’ve spent years inside enterprise environments where “we’ll clean it up later” becomes a six-figure problem. That changes how we build. I’m Ihar, founder of Salamander Prime Solutions. When you hire me, you get one accountable senior engineer with our senior EU engineering core behind the delivery. The engineer you meet is the engineer who does the work. Backend, QA, DevOps, automation and delivery support come in when the project needs them. That is how we work. No junior bench. No anonymous handoff. No client poaching. What we are strongest at: ✓ Backend & APIs - business logic, auth, databases, caching, integrations, production fixes ✓ Automation & orchestration - Make, Zapier, webhooks, CRM workflows, reconciliation, retries, state handling ✓ Operational platforms - portals, order systems, approvals, internal tools, transaction-heavy workflows ✓ Data & CRM - pipelines, Salesforce, attribution, identity resolution, reporting, source-of-truth problems ✓ Web platforms - WordPress, WooCommerce, performance, checkout, integrations, migrations ✓ Legacy recovery - slow APIs, fragile integrations, poor visibility, systems nobody wants to touch anymore ✓ AI-assisted SDLC - Claude Code, Cursor, ChatGPT and agentic workflows across analysis, implementation, QA and documentation We care about ownership, observability, edge cases, handover and what happens after release - because production is where software starts proving whether it was engineered properly. Why clients bring us in: 🌍 Senior European engineering team 🧠 Senior engineers stay hands-on from first call to release ⚙️ Make Certified Partner + Zapier Solutions Partner 🔒 White-label friendly. No client poaching. 📋 Investigation, coordination and QA included on the first task 🏢 Enterprise delivery discipline without enterprise-vendor overhead You can hire another freelancer. Or you can put a senior engineering core behind the problem. If the work is fragile, stuck, integration-heavy, or simply too important to get wrong - send me the problem! We’ll tell you quickly whether we should own it.

"Working with Andriy was awesome. He helped me out with some bugs on my REACT/NODE website. He completed a task quickly and surprised me with excellent skills. He is a master in his domain, so in case you need a freelancer, Andriy is an A+++ recommendation. Superb!"   - Andrei C. ――――――――――――――――――――――――――――――――――――  • Do you want new shiny website filled with rich functionality?  • CMSs aren't flexible enough for you, you need more features?  • You need someone to figure out and update complex project?  • Interested in custom enterprise solution? Then contact me and I will turn your ideas into reality. Over ten years developing commercial software gives me the insight into implementing robust, secure and maintainable software. Healthcare and finance industries are not foreign to me. Also I can do for you:  ✔ Database development  ✔ DevOps tasks, such as CI/CD, deployments and automation (see my specialized profile)  ✔ Organizing other developers work I'm attentive to details and like to get the job done right. I specialize in React/NodeJS/JavaScript. ―――――――――――――――――――――――――――――――――――― Some of my skills: Programming languages:  • JavaScript  • TypeScript  • C#  • PHP  • Java Frontend:  • React (+Next.js) - with SPA and Server-side rendering  • Redux for JavaScript  • HTML/CSS  • jQuery, Twitter bootstrap  • SPA frameworks (AngularJS, Durandal, Aurelia)  • Universal applications (Server-side rendering)  • CKEditor Backend:  • NodeJS (including Express)  • ASP.NET, ASP.NET MVC, ASP.NET Web Api  • Firebase Databases:  • MySQL  • MS SQL Server  • Oracle  • MongoDB Integrations:  • Google Analytics  • New Relic  • Twitter  • Facebook APIs  • Some AWS (Cognito, API Gateway) Desktop:  • .NET Windows Forms VCS:  • Git  • SVN  • Mercurial Scripting:  • Bash  • Microsoft batch files Other:  • Internet security  • Cryptography  • Vim  • Applied Mathematics background  • GraphQL (+Relay)  • Functional Programming

Hi there! 👋 I’m a motivated and detail-oriented freelancer specializing in data entry, virtual assistance, and administrative support. Whether it’s managing spreadsheets, organizing information, or handling repetitive tasks with precision - I’m here to help you keep everything running smoothly. I take pride in being accurate, reliable, and highly organized. My approach is always careful and thorough - I double-check every detail to ensure the highest quality of work. I enjoy learning new tools and systems, and I’m always eager to expand my skills while delivering value to every project I take on. ✅ What I can help you with: Data entry & data cleaning Internet research & data collection File organization and database management Virtual assistance & administrative tasks Excel, Google Sheets, and document formatting Email and calendar management Other general office support tasks I’m available almost anytime and always quick to respond — you can count on smooth communication and timely delivery. If you’re looking for someone reliable, ambitious, and ready to take on new challenges, let’s connect! I’d love to help make your work easier and your projects successful.