Winmill Software

Role Description We are looking for a Full Stack Developer to help build and enhance a modern cloud-native platform that combines web applications, AI-powered document processing, secure authentication, payment integrations, and automated workflows. In this role, you'll work across the entire technology stack, developing: - Frontend applications with React and TypeScript - Backend services using Bun and Hono - Leveraging the Microsoft Azure ecosystem to deliver scalable and secure solutions You'll also have the opportunity to work with emerging AI technologies, including document intelligence and automation capabilities, while helping create seamless user experiences. Qualifications - 4+ years of experience as a Full Stack Developer - Strong experience with React and TypeScript - Experience building backend services and APIs using TypeScript-based frameworks - Experience working with PostgreSQL or other relational databases - Strong understanding of RESTful API design and integrations - Experience working with Microsoft Azure cloud services - Familiarity with Microsoft Entra ID, MSAL, or similar authentication platforms - Experience integrating third-party APIs and external services - Experience with Git-based workflows and CI/CD pipelines - Understanding of cloud-native application architecture and deployment practices - Strong problem-solving, communication, and collaboration skills Requirements - Develop Modern Web Applications – Build responsive frontend experiences using React 18 and TypeScript - Build Backend APIs & Services – Develop scalable APIs and business logic using Bun, TypeScript, and Hono - Leverage AI Technologies – Integrate Azure AI Document Intelligence and Azure Foundry solutions to automate document processing and business workflows - Manage Cloud-Based Data – Design and maintain data solutions using Azure Database for PostgreSQL - Implement Secure Authentication – Configure and maintain identity and access management using Microsoft Entra ID and MSAL - Integrate Payment Solutions – Develop and maintain payment workflows through Stripe APIs - Manage File Storage – Implement secure file upload, storage, and retrieval using Azure Blob Storage - Deploy & Maintain Applications – Support cloud deployments using Azure App Services, containerized environments, and Azure infrastructure - Automate Development Processes – Build and maintain CI/CD pipelines using GitHub Actions and Azure DevOps - Enable Communication Services – Implement email and communication workflows through Azure Communication Services - Collaborate Across Teams – Work closely with engineers, stakeholders, and product teams to deliver business value - Support Testing & Delivery – Participate in code reviews, testing, troubleshooting, and continuous improvement initiatives Benefits - 💵 USD Salary Compensation - 🌍 100% Remote Work – Work from anywhere! - 📈 Exciting, Diverse Projects – Work on impactful, real-world solutions - 🚀 Career Growth Opportunities – Expand your fullstack expertise across projects - 🤝 Supportive & Agile Team Environment – Collaborate with experienced engineers - 👊👊 Team Building Activities – Be part of a community that values connection and collaboration

Role Description We are looking for a WordPress Developer to join our remote-first engineering team. In this role, you’ll support ongoing website enhancements, troubleshoot issues, and implement new features across various WordPress-based projects. You’ll work closely with our team to ensure high-quality execution, stable performance, and a smooth user experience across all sites you help maintain. If you enjoy building, optimizing, and refining WordPress sites while working flexibly and collaboratively, we’d love to hear from you! Qualifications - 4+ years of professional experience working with WordPress. - Strong experience with WordPress site maintenance and support. - Proven experience developing custom WordPress themes and pages. - Hands-on experience with Gutenberg and/or Kadence block editors. - Strong PHP development skills. - Experience using Git for version control and collaborative development. - Solid understanding of MySQL databases. - Experience managing websites hosted on WP Engine. - Knowledge of responsive design and cross-browser compatibility. - Strong problem-solving and debugging skills. - Ability to work independently and manage multiple priorities. Requirements - Maintain, update, and optimize WordPress websites to ensure performance, security, and reliability. - Develop custom WordPress pages, templates, and themes based on business and design requirements. - Build and manage content using modern block editors, including Gutenberg and Kadence. - Troubleshoot website issues, identify root causes, and implement effective solutions. - Collaborate with designers, content creators, and stakeholders to deliver user-friendly experiences. - Manage code repositories and participate in version control processes using Git. - Work with MySQL databases to support website functionality and data management. - Configure, manage, and deploy websites hosted on WP Engine. - Perform website testing, quality assurance, and ongoing improvements. - Follow WordPress development best practices and coding standards. Benefits - USD Salary Compensation - 100% Remote Work – Work from anywhere! - Exciting, Diverse Projects – Contribute to different WordPress implementations across industries. - Career Growth Opportunities – Take on more complex tasks as you expand your skills. - Supportive & Agile Team Environment – We value collaboration, communication, and continuous learning. - Team Building Activities – Join a community of professionals who connect through meaningful virtual experiences.

Role Description We are looking for a Software Engineer (Fullstack Developer) to join our development team and grow their career while working on real-world, client-facing applications. In this role, you’ll contribute to the design, development, and customization of ASP.Net C# applications, working across both backend and frontend technologies. This is a hands-on opportunity to learn best practices, collaborate with experienced engineers, and build secure, scalable solutions while following a structured Secure Software Development Life Cycle (SSDLC). If you’re eager to learn, enjoy problem-solving, and want exposure to fullstack development, this role is for you. Qualifications - 3-4 years of experience or strong academic background in Software Engineering or related fields. - Experience of ASP.Net and C#. - Familiarity with HTML, JavaScript, and AJAX. - Understanding of SQL databases, preferably SQL Server. - Experience working with APIs, XML, or web services. - Willingness to learn secure development practices (SSDLC). - Good communication skills and ability to work in a remote team. - Strong desire to learn, grow, and take on new challenges. Requirements - Develop and maintain ASP.Net C# applications as part of an agile development team. - Work with HTML, JavaScript, AJAX, and web server processing to build fullstack features. - Create, update, and optimize SQL Server queries, stored procedures, and functions. - Integrate applications using XML, web services, APIs, and third-party services (such as email or online payment processing). - Configure and customize existing Winmill applications to meet client-specific requirements. - Design and implement new software solutions for Winmill clients under guidance from senior engineers. - Learn and apply our Secure Software Development Life Cycle (SSDLC) to ensure high-quality and secure code. - Participate in code reviews, debugging, and testing activities. Benefits - 💲 USD Salary Compensation - 🌍 100% Remote Work – Candidates must be located in Mexico or LATAM - 📈 Career Growth – Learn from experienced engineers and grow into more complex responsibilities - 🚀 Hands-on Experience – Work on real client applications from day one - 🤝 Supportive Team Environment – Mentorship, collaboration, and knowledge sharing - 👊🤛 Team Building Activities – Be part of a global community, not just a job Company Description We are a remote-first, collaborative team focused on delivering reliable and secure software. Our approach includes: - Close collaboration with senior developers and cross-functional teams. - Learning by doing, with continuous feedback and mentorship. - Clean, maintainable code following best practices. - Secure development standards embedded into our workflow (SSDLC). - Agile methodology with iterative development and clear priorities.

Role Description We are looking for a QA Manual Tester to ensure the quality and reliability of a digital membership card solution that allows users to receive, store, and access digital cards seamlessly—similar to how ticketing platforms deliver passes directly to a user’s phone wallet. In this role, you will be responsible for validating end-to-end functionality across web and mobile-friendly experiences, ensuring that digital cards are generated, delivered (via email or SMS), and accessed without issues. You’ll work closely with developers and stakeholders to identify bugs, improve usability, and guarantee a smooth user experience. This is a great opportunity for someone who is detail-oriented, proactive, and passionate about delivering high-quality, user-focused products. Qualifications - 3–4+ years of experience as a QA Manual Tester. - Strong experience designing and executing test cases. - Experience testing web applications and mobile-responsive platforms. - Familiarity with bug tracking tools (e.g., Jira, Azure DevOps, etc.). - Understanding of software development lifecycle and Agile methodologies. - Experience with API testing (basic level is a plus). - Strong attention to detail and analytical thinking. - Excellent communication skills for documenting and reporting issues. - Ability to work independently and manage testing priorities. Requirements - Perform Manual Testing – Execute test cases to validate functionality, usability, and performance of the platform. - Validate End-to-End Flows – Ensure digital membership cards are correctly generated, delivered (email/SMS), and accessible. - Identify & Report Bugs – Document issues clearly with steps to reproduce, expected vs. actual results. - Collaborate with Developers – Work closely with the engineering team to troubleshoot and resolve defects. - Test Across Devices – Validate responsive behavior and mobile-friendly experiences. - Support Release Cycles – Participate in regression testing before deployments. - Improve Test Coverage – Help define and refine test cases based on evolving requirements. - Ensure User Experience Quality – Validate that the product is intuitive and error-free from the user’s perspective. Benefits - 💵 USD Salary Compensation - 🌍 100% Remote Work – Work from anywhere! - 📈 Exciting, Diverse Projects – Work on impactful, real-world solutions. - 🚀 Career Growth Opportunities – Strengthen your QA expertise across projects. - 🤝 Supportive & Agile Team Environment – Collaborate with experienced engineers. - 👊👊 Team Building Activities – Be part of a community that values connection and collaboration.

Role Description We are looking for a Fullstack Developer to help build a mobile membership card solution that enables users to receive, store, and access digital membership cards seamlessly—similar to how ticketing platforms deliver passes directly to a user’s phone wallet. In this role, you’ll work across the stack using React (frontend), .NET (backend), and SQL Server, contributing to a streamlined system that generates and distributes digital cards via email or SMS. While the product includes a mobile component, it will not require a traditional mobile app, focusing instead on lightweight, accessible experiences. Qualifications - 3+ years of experience as a Fullstack Developer. - Strong experience with React for frontend development. - Solid experience with .NET for backend services. - Hands-on experience with SQL Server or similar relational databases. - Experience building and consuming RESTful APIs. - Familiarity with email/SMS integrations or notification systems (preferred). - Understanding of responsive or mobile-friendly design principles. - Ability to work in environments with minimal UI/UX requirements. - Experience working in Agile teams with Git-based workflows. - Strong problem-solving skills and ability to deliver simple, effective solutions. Requirements - Build a Digital Membership Card System – Develop functionality to generate and distribute digital membership cards. - Develop Frontend Features – Use React to create simple, user-facing components for card access and interaction. - Build & Maintain Backend Services – Implement APIs and business logic using .NET. - Manage Data Storage – Work with SQL Server to store and retrieve membership and card data securely. - Enable Card Distribution – Integrate email/SMS workflows to deliver cards to users. - Ensure Mobile Compatibility – Optimize experiences so cards can be easily saved to mobile wallets. - Collaborate with Internal Team – Work closely with engineers and stakeholders to align on functionality and delivery. - Support Testing & Delivery – Partner with internal team members for validation and iteration. Benefits - 💵 USD Salary Compensation - 🌍 100% Remote Work – Work from anywhere! - 📈 Exciting, Diverse Projects – Work on impactful, real-world solutions. - 🚀 Career Growth Opportunities – Expand your fullstack expertise across projects. - 🤝 Supportive & Agile Team Environment – Collaborate with experienced engineers. - 👊👊 Team Building Activities – Be part of a community that values connection and collaboration.

Role Description We are looking for a Senior Penetration Tester/Cybersecurity Engineer to join our cybersecurity practice and lead high-impact security assessments across web, mobile, and network environments. In this role, you will: - Simulate real-world attacks, uncover critical vulnerabilities, and deliver actionable insights that help clients strengthen their security posture. - Think like an attacker, chaining vulnerabilities, developing custom tools, and executing advanced exploitation techniques. - Play a key role in client communication, translating technical findings into clear business risks for both technical and executive audiences. If you’re passionate about offensive security, thrive on complex challenges, and enjoy pushing the boundaries of ethical hacking, this role is for you. Qualifications - 4–6+ years of experience in Penetration Testing and Security Assessments. - Bachelor’s degree in Computer Science, Information Security, or related field (or equivalent experience). - Certifications such as OSCP, OSCE, GIAC, or Pentest+ (strongly preferred). - Proven experience across web, mobile, and network penetration testing. - Strong knowledge of security tools (e.g., Burp Suite, Nmap, Metasploit, Wireshark, OWASP ZAP, Kali Linux, etc.). - Experience with scripting or automation (Python, Perl, Ruby, or Bash). - Ability to develop or modify exploits, tools, or shellcode. - Solid understanding of networking, protocols, and application architectures. - Experience with static and dynamic analysis methodologies. - Familiarity with reverse engineering, source code review, or malware analysis (preferred). - Experience participating in CTFs, bug bounties, or security competitions (nice to have). - Ability to chain vulnerabilities and demonstrate real-world risk through post-exploitation. - Strong written and verbal communication skills in English (C1–C2). Requirements - Conduct Penetration Testing – Perform web, mobile, and network penetration testing using both manual and automated techniques. - Simulate Real-World Attacks – Execute blended and chained attack scenarios to uncover complex vulnerabilities. - Exploit & Validate Findings – Identify, exploit, and demonstrate real-world risk to client environments. - Develop Tools & Scripts – Create custom scripts, tools, or methodologies to enhance testing processes. - Deliver High-Quality Reports – Produce clear, comprehensive reports for both technical and executive audiences, including remediation guidance. - Assess Security Architecture – Evaluate systems across all layers to identify design and implementation flaws. - Support Engagement Scoping – Assist in defining scope and approach for prospective security engagements. - Stay Ahead of Threats – Continuously research emerging vulnerabilities, tools, and attack techniques. Benefits - 💰 USD Salary Compensation - 🌍 100% Remote Work – Work from anywhere! - 📈 Exciting, Diverse Projects – Work across industries and security domains. - 🚀 Career Growth Opportunities – Expand into advanced offensive security and research. - 🤝 Supportive & Agile Team Environment – Collaborate with experienced engineers and security professionals. - 👊👊 Team Building Activities – Join a community that values connection and collaboration. Company Description We are a remote-first, cross-functional team focused on building high-quality software through collaboration, agility, and innovation. Our development approach emphasizes: - Daily commits to ensure rapid iteration and continuous improvement. - Autonomous problem-solving, with a bias toward action. - Honest and constructive feedback, fostering a culture of learning. - Agile methodology, with short, incremental development cycles. READY TO APPLY? If you’re a Senior Penetration Tester ready to take on complex security challenges and make a real impact by strengthening systems from the inside out, we’d love to hear from you. Apply now and help us build more secure digital environments 🚀.