Sudoku Solving Projects

Senior full stack developer | client-facing communication

Seeking a seasoned Senior Full Stack Developer with excellent client-facing communication skills. Must architect and implement robust web applications, handle frontend and backend development, optimize performance, ensure security, and integrate APIs. Responsibilities include translating client requirements into technical solutions, leading code reviews, mentoring junior developers, and delivering clear progress updates. Ideal candidate demonstrates strong problem-solving, stakeholder management, and a track record of successful end-to-end project delivery.

Looking for a Web Developer

I’m looking for a skilled and motivated web developer partner to collaborate on building a new project/business idea. I’m seeking someone interested in long-term growth, ownership, and teamwork rather than only freelance contract work. About the Project We are planning to build a modern web-based platform focused on solving real user problems and scaling into a sustainable business. Full project details can be discussed privately after an initial conversation. Who I’m Looking For Strong experience in frontend and backend web development Knowledge of modern stacks such as: React / Next.js / Vue Node.js / Express PHP / Laravel Python / Django SQL / NoSQL databases Experience with deployment, APIs, and scalable architecture Good communication and problem-solving skills Interested in partnership / startup mindset

We are looking for an experienced Full Stack Developer

Project Stack - Frontend: React.js - Backend: Laravel / PHP - Database: MySQL (if applicable) - Version Control: Git What We Need We are looking for someone who can: - Debug and fix frontend and backend issues - Resolve API integration problems - Troubleshoot server or deployment-related errors - Improve existing code where necessary - Work through issues during a live online remote session Requirements - Strong experience with React and Laravel - Able to communicate clearly in English - Good debugging and problem-solving skills - Experience with REST APIs - Familiar with remote collaboration tools (Zoom, Google Meet, AnyDesk, TeamViewer, etc.)

STR Property Manager Remote - Europe-The Americas

Remote STR Property Manager for Europe & the Americas: Seeking an experienced remote manager to oversee a small portfolio of short-term rentals. Responsibilities include managing reservations, coordinating guest communications, overseeing maintenance and turnovers, optimizing occupancy and revenue, and upholding high property standards. Ideal candidates are detail-oriented, highly organized, adept at problem-solving, and experienced with booking platforms and local vendors. Proven track record in delivering exceptional guest experiences and efficient remote operations required.

Virtual Assistant / Customer Support & Dispatch Coordinator

Job Type: Remote Hourly rate is $6 (possible raise if you do a good job) 11 AM - 9 PM EST Mon - Fri Industry: Delivery / Customer Service / Dispatch Support Job Overview: I am looking for a reliable, organized, and responsive virtual assistant to help manage customer service and basic dispatch-related communication for my delivery business. The role is mainly focused on confirming incoming payments, helping resolve issues between drivers and customers, and handling day-to-day support problems as they come up. This is a customer service and operations support role. I do not need someone who is overly sales-focused. I need someone calm, professional, detail-oriented, and good at solving problems quickly. Main Responsibilities: - Monitor incoming payments and confirm that payments have been received - Communicate with customers and drivers regarding order-related issues - Help resolve problems during deliveries - Assist with driver/customer communication when delays or misunderstandings happen - Help coordinate solutions if a driver has an issue during a delivery - Keep order communication organized and clear - Escalate serious issues when necessary - Provide fast, professional, and polite customer service Ideal Candidate: - Speaks and writes English well - Has previous virtual assistant, customer service, or dispatch experience - Is highly responsive and dependable - Can stay calm under pressure - Has strong communication and problem-solving skills - Pays close attention to detail - Can follow systems and instructions carefully - Is comfortable communicating with both customers and drivers - Can work independently without needing constant supervision Workload: The business handles up to about 12 orders per day at maximum, so this is not a high-volume call center environment. However, I need someone who can remain available during working hours, respond quickly, and help keep operations smooth. What I Need Most: - Reliability - Good judgment - Clear communication - Fast response times - Professionalism - Ability to solve issues without creating more confusion

Senior Software Engineer for Technical Interviews

We are looking for a senior software engineer with strong communication skills to support technical interviews and candidate evaluations. Requirements * 5+ years of software development experience * C1–C2 level English communication skills * Experience conducting technical interviews or candidate assessments * Strong analytical and communication abilities * Comfortable discussing software architecture, engineering practices, and technical problem-solving Preferred * Native Spanish speaker (bonus, not required) * Experience mentoring or leading engineering teams Ideal Candidate This role is ideal for experienced developers who enjoy technical discussions, interviewing, mentoring, and evaluating engineers more than daily hands-on coding work. Responsibilities * Conduct technical interviews * Evaluate candidate skills and communication * Provide structured interview feedback * Help improve hiring quality and interview processes Remote work available. ***Prefer*** Latam and Europe developers

Web Developer (Python, React) – Strong English Required

We are looking for an experienced Fullstack Web Developer to join a freelance project. The ideal candidate is highly proficient in Python for backend development and React for frontend development. Excellent English communication skills, equivalent to a native speaker, are required to ensure smooth collaboration and clear understanding of project requirements. Project Scope: - Build, maintain, and optimize web applications with Python backend and React frontend. - Collaborate on designing APIs, data models, and UI components. - Troubleshoot and resolve technical issues efficiently. - Ensure code quality, maintainability, and scalability. Deliverables: - Fully functional web application meeting project specifications. - Well-documented code and instructions for deployment. - Regular progress updates during the project. Skills Required: - Python (Django, Flask, or FastAPI experience preferred) - React.js / React Native - REST API development and integration - Git / version control - Strong problem-solving and debugging skills - Excellent written and spoken English Timeline: - Flexible timeline; specific milestones will be discussed upon hiring. We welcome proposals from experienced freelancers who can demonstrate prior work in similar projects. Please include relevant portfolio examples in your proposal.

Freelance Customer Support Agent Needed

We are looking for a professional and reliable customer support agent to assist with handling customer inquiries and providing a smooth support experience. The role involves responding to customer questions, resolving issues, and ensuring accurate communication and record-keeping within our support system. Key Responsibilities: Respond to customer inquiries via phone, email, chat, or support channels Provide clear and accurate information about products or services Investigate customer complaints and service issues Troubleshoot problems and offer appropriate solutions Escalate complex cases to the relevant internal teams Process orders, returns, refunds, and exchanges Maintain accurate and up-to-date customer records This is an ongoing opportunity for someone dependable, organized, and customer-focused. Strong communication and problem-solving skills are required. Experience in customer support or help desk roles is an advantage—please send your proposal.

Google Ads Conversion Tracking Expert (GA4 + GTM)

Hi, We are looking for an experienced Google Ads / GA4 tracking expert for a short on-call session to review and fix our conversion tracking. #.Current status: --Google Ads, GA4, and GTM are already set up --Acuity Scheduling is integrated --Events are firing in GA4 (e.g., purchase/booking confirmation) --However, conversions are not correctly showing or optimizing in Google Ads #.What we need: --Quick audit of the current setup (screen share / call) --Identify what is wrong in the tracking flow --Fix the issue live (if possible) --Ensure conversions are properly tracked and usable for Google Ads optimization ---- ---- This is NOT a full setup project — everything is already implemented. We just need an expert to review, troubleshoot, and fix the conversion tracking issue efficiently. #.Requirements: Strong experience with GA4, Google Ads conversions, and GTM Experience with cross-domain tracking (Acuity or similar booking tools is a plus) Ability to quickly diagnose and solve tracking issues Please apply only if you are confident you can review and fix this on a live call. Thank you.

Mid level Full Stack Developer (Node.js, React, MongoDB)

Description: We are seeking a mid-level Full Stack Developer to join our team for an exciting project. If you're passionate about web development and have experience with Node.js, React, JavaScript (JS), TypeScript (TS), and MongoDB, we want to hear from you! Key Responsibilities: - Develop and maintain backend services using Node.js. - Build and enhance front-end applications using React and ensure seamless integration with backend services. - Write clean and efficient code using JavaScript (JS) and TypeScript (TS). - Work with MongoDB for data storage and management. - Collaborate with the team to solve technical problems and deliver high-quality software solutions. Required Skills: - Experience with Node.js and building backend services. - Strong knowledge of React for front-end development. - Proficiency in JavaScript (JS) and TypeScript (TS). - Experience with MongoDB for database management. Good to Have: - Familiarity with AWS (Amazon Web Services). - Experience with Microservices architecture. Location: Candidates must be based in the United States or Canada. Duration: This is a freelance position with an initial project duration of 6 months (potential for long-term work based on performance).

opportunity

Senior Game Developer (Unity / Cocos3D) – US Only

Are you a seasoned game developer ready to craft next-level gaming experiences? We’re looking for a US-based Senior Game Developer with deep expertise in Unity or Cocos3D to join our innovative team. What You’ll Do: - Build and optimize high-quality games for mobile and desktop platforms. - Bring game ideas to life with clean, efficient, and scalable code. - Collaborate with designers, artists, and fellow developers to create engaging gameplay. - Troubleshoot and enhance existing game systems for performance and stability. - Mentor junior developers and share your technical expertise. - Stay ahead of industry trends and implement best practices in game development. What We’re Looking For: - US-based only (remote work). - Proven track record as a senior game developer with published titles. - Expert in Unity3D (C#) or Cocos3D (C++/Lua). - Strong knowledge of game physics, AI, animations, and multiplayer systems. - Experience optimizing performance across platforms. - Excellent problem-solving skills and attention to detail. - Great communication skills and ability to thrive in a remote environment. Bonus Points: - Experience with AR/VR or multiplayer online games. - Knowledge of shaders or graphics optimization. - Familiarity with cloud game services like PlayFab or Firebase. Why Join Us: - Work remotely from anywhere in the US. - Competitive pay for top-tier talent. - Be part of exciting, high-profile game projects with creative freedom.

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CRM & Customer Support System Implementation Specialist

Project Overview We are building a complete customer service operation from scratch and are looking for an experienced professional (or small team) to design, implement, and deploy an end-to-end system. This includes CRM setup, customer support/ticketing system, communication integrations, reporting dashboards, and workflow automation. Scope of Work • Set up and configure a CRM system (HubSpot) • Implement a customer support/ticketing system (Zendesk, Freshdesk, or equivalent) • Integrate communication channels (Email, Phone, Live chat, (WhatsApp/social) Chatbot • Design workflows (Ticket routing, SLA tracking, Escalation processes) • Build reporting dashboards (Response time, Resolution time, KPIs) • Create knowledge base (internal + customer-facing) • Ensure all systems are integrated and working seamlessly Key Deliverables • Fully configured CRM system • Functional support/ticketing platform • Omnichannel communication setup • Automated workflows and SLAs • Reporting dashboards • Documentation (SOPs / system usage guides) • Basic team training (optional but preferred) Required Skills & Experience • Proven experience implementing CRM systems • Strong background in customer support platforms • Experience with API integrations and automation tools • Ability to design scalable workflows and processes • Experience building dashboards and reporting systems • Strong problem-solving and system architecture skills Preferred Experience • Experience building systems from scratch • Knowledge of customer experience (CX) frameworks • Experience working with service-based businesses or contact centres What We’re Looking For • Someone who can take ownership of the full system setup • Practical, solution-focused approach • Clear communication and structured delivery • Ability to recommend the best tools (cost vs performance) Application Requirements • Examples of similar systems built • Recommended tools/platforms and justification • Estimated timeline • Proposed approach • Rate (fixed)

opportunity

Mobile App Developer (React Native)

- Job Description: We are seeking a talented and motivated Mobile App Developer with expertise in React Native to join our team. You will be responsible for developing high-quality mobile applications for both iOS and Android platforms. - Responsibilities: Develop and maintain mobile applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Troubleshoot and optimize performance for mobile applications. Ensure code quality, security, and efficiency. Stay up to date with new trends and technologies in mobile development. - Required Skills: React Native (3+ years of experience) Strong proficiency in JavaScript, including ES6+ features Experience with mobile development frameworks (e.g., Redux, React Navigation) Familiarity with APIs (RESTful, GraphQL) Understanding of mobile development best practices and UI/UX principles Experience with debugging, performance testing, and app deployment (iOS/Android) Knowledge of version control systems like Git Ability to work with third-party libraries and APIs - Nice to Have: Experience with native mobile app development (Swift, Kotlin, Objective-C, Java, etc.) Familiarity with cloud services (AWS, Firebase) Experience with CI/CD for mobile apps Knowledge of testing frameworks (e.g., Jest, Detox) - Preferred Qualifications: Strong problem-solving skills and ability to work independently. Excellent communication skills and a collaborative team player. - Location: Remote (US/Canada-based preferred)

opportunity

React Native Developer for Premium Platform (5+ yrs)

A. Project Overview We are looking for a Senior React Native Developer with 5+ years of experience to support the development of a premium invite-only networking and event intelligence platform. This platform is designed for investors, founders, institutional members, and high-net-worth individuals, combining: 1. Intelligent networking 2. AI-powered matchmaking 3. Event lifecycle management 4. Concierge workflows 5. Secure member-only access This is an MVP-focused project with long-term scalability in mind. B. Required Experience The applicants must have: 1. 5+ years of development experience. 2. Strong hands-on expertise in React Native (Expo). 3. Experience building production-grade mobile applications. 4. Strong API integration experience. 5. Experience with authentication, notifications, and real-time features. 6. Good understanding of scalable application architecture. C. Required Skillset 1. Applicants should have strong hands-on experience with: React Native (Expo) React.js / Next.js TypeScript Node.js / Express.js Supabase & PostgreSQL REST API integration Authentication, RBAC & RLS Tailwind CSS Real time systems & push notifications OpenAI API integrations Git / GitHub Vercel deployment workflows Mobile app deployment (iOS & Android) Scalable full-stack architecture 2. Additional Requirements: 5+ years of professional development experience. Strong React Native expertise. Experience building production-grade applications. Good communication and problem-solving skills. D. Scope of Work 1. Web Application: Member dashboard Event listings & lifecycle workflows Concierge/admin panel Member directory Authentication & onboarding 2. Mobile Application React Native (Expo)-based iOS & Android app Secure onboarding and authentication Member profile flows Event participation experience Push notifications Matchmaking & networking interactions Real time updates and notifications 3. Backend & API Integration Supabase integration PostgreSQL database Authentication & RBAC Row-Level Security (RLS) Real time synchronization API integrations 4. Additional Responsibilities Performance optimisation App Store / Play Store deployment support Collaboration with internal UI/UX and QA team Code quality and scalable architecture implementation E. Important Notes 1. This is a premium-quality platform with strong focus on performance, scalability, security, and polished user experience. 2. UI/UX design and QA/testing support may be partially handled by our internal team. 3. Long-term collaboration opportunity available after MVP delivery. To Apply please share: 1. Relevant React Native projects 2. Portfolio / GitHub / live apps 3. Years of React Native experience 4. Availability NOTE: Only experienced freelancers (5+ Years) with strong React Native expertise should apply.

opportunity

Senior eCommerce CMS Developer (Java, .NET, AWS)

About Us: We are a rapidly growing eCommerce company focused on delivering innovative online shopping experiences. We're seeking a skilled eCommerce CMS Developer with experience in Java, .NET, and AWS to join our development team. This is an exciting opportunity to contribute to the growth and evolution of our online platform. Responsibilities: *Develop, maintain, and enhance our eCommerce Content Management System (CMS) using Java and .NET technologies. *Implement scalable solutions leveraging AWS cloud services to ensure high availability, performance, and security of our platform. *Work closely with product, design, and marketing teams to integrate CMS features that improve user experience and drive business growth. *Develop APIs and integrations with external services, ensuring seamless and efficient communication. *Optimize and refactor existing CMS components to ensure better performance and scalability. *Collaborate with cross-functional teams in an Agile environment to meet project deadlines and requirements. *Participate in code reviews, troubleshooting, and debugging. Required Skills & Qualifications: *Proven experience in eCommerce CMS development with a focus on Java and .NET. *Strong understanding of AWS services (EC2, S3, Lambda, RDS, CloudFront, etc.). *Solid experience with database management and optimization (SQL, NoSQL). *Experience with RESTful API development and integrations. *Familiarity with CI/CD pipelines and version control (Git). *Strong problem-solving skills and the ability to work in a fast-paced, dynamic environment. *Excellent communication skills and the ability to collaborate with cross-functional teams. Preferred Skills: *Experience with popular eCommerce platforms (Shopify, Magento, WooCommerce, etc.) is a plus. *Familiarity with containerization technologies like Docker. *Previous experience working in Agile teams.

Senior Data Engineer

We are looking for a Senior Data Engineer to serve as a technical leader within our Analytics Engineering team. In this role, you will design and build scalable data platforms and high-impact data products that power critical business decisions, analytics, and machine learning use cases. You will work cross-functionally with engineering, product, data science, and business teams to deliver reliable, high-quality data solutions while setting standards and best practices across the organization. Design, build, and maintain scalable data pipelines and data products Architect robust data models and transformation frameworks Lead end-to-end data platform initiatives (design → development → deployment) Define and implement best practices for data quality, testing, and observability Collaborate with cross-functional teams to gather requirements and deliver solutions Optimize data systems for performance, scalability, and cost-efficiency Mentor engineers and contribute to team-wide technical standards Drive adoption of modern data tools and frameworks Build reusable components and improve overall platform efficiency 5+ years of experience in Data Engineering or Analytics Engineering Strong expertise in SQL and Python Experience building and maintaining large-scale data pipelines Hands-on experience with: Cloud platforms (AWS, GCP, or Azure) Data warehouses (Snowflake, BigQuery, Redshift) Data transformation tools (dbt or similar) Workflow orchestration tools (Airflow, Dagster, etc.) Strong understanding of data modeling, ETL/ELT, and data architecture Experience with CI/CD and DevOps practices for data systems Ability to lead complex projects and work across teams Strong communication skills (technical + non-technical) Experience supporting machine learning workflows Knowledge of data governance and data quality frameworks Experience with cost optimization (FinOps) Background working in startup or high-growth environments Experience building internal data platforms or shared infrastructure Strong problem-solving and system design skills Passion for building scalable and maintainable systems Ability to work with ambiguity and drive clarity Leadership mindset with a focus on mentoring and collaboration Continuous improvement mindset with attention to quality and performance Experience with real-time data processing Exposure to data observability tools Experience designing semantic layers or metrics layers Job Skills