Freelance Software Development Jobs

Software Development Support

We are a IT Service company that helps developers to find more opportunity to get hired. Actually, developers need helps for their security and identification. Now, we're looking for supporters (who are living in EU countries) in various fields to help developers.

Software Developer for Interviews & Client Communication

I’m looking for a software developer who is fluent in both English and Spanish and also has strong social and communication skills. This role combines technical knowledge with people skills, including handling meetings such as interviews and communicating with clients or candidates. You will represent the project in conversations, conduct or assist with interviews, and support basic coordination while also having a solid background in software development. Requirements - Fluent in English and Spanish - Minimum 2–3 years of experience in software development - Strong communication and social skills - Comfortable leading or participating in interviews and meetings - Professional, reliable, and organized Responsibilities - Conduct and manage interviews - Communicate with candidates and clients in English and Spanish - Participate in technical discussions when needed - Schedule meetings and handle follow-ups Skills Required - Software Development - Interviewing - Communication - Bilingual (English/Spanish)

I need TRIZ software programs

I need a person who can help me to download/buy TRIZ software tools, and related documents for latest version. Here is a list which I need now. - innovator 5.0 - goldfire innovator 5 - invention - techoptimizer 3.5 - techniques 5.0 If you help me to get a free version for above tools, then I will pay bonus.

Software Tester / QA Engineer

Job Description We are looking for a detail-oriented Software Tester (QA Engineer) to ensure the quality and reliability of our software products. You will work closely with developers and product managers to identify bugs, improve performance, and deliver high-quality applications to users. Responsibilities Analyze requirements and create test plans, test cases, and test scenarios Perform manual and/or automated testing of web and mobile applications Identify, document, and track bugs using defect tracking tools Execute functional, regression, integration, and system testing Collaborate with development teams to resolve issues Ensure software meets quality standards before release Participate in reviews and provide feedback on product usability Requirements Bachelor’s degree in Computer Science, IT, or a related field (or equivalent experience) Experience in software testing or quality assurance Knowledge of SDLC and STLC Familiarity with testing tools (e.g., Selenium, JIRA, TestRail, Postman) Basic understanding of SQL and APIs (preferred) Strong analytical and problem-solving skills Good communication and documentation skills

Removing Data off a Software System

We are migrating software systems, and having been on one software system for the last eight years, once our contract has ended they will no longer host the data on our existing environment. I would like to manually download all the data on the system, things like invoices and employee records, amongst other things, so that if I ever need to refer back to it, I can do so. I would like someone to go section-by section through the system, and manually download all relevant data. I would estimate that this may take around 1-2 weeks based on the amount of information in the environment.

I need 3D desiger using solidworks software

We are seeking a proficient 3D designer with expertise in SolidWorks to assist in the development of innovative designs for our upcoming projects. The ideal candidate will possess a strong understanding of 3D modeling, simulation, and product visualization. Responsibilities include creating detailed 3D models, assemblies, and technical drawings, as well as collaborating with our engineering team to refine concepts. A keen eye for detail and creativity is essential. If you are passionate about design and possess a solid background in SolidWorks, we encourage you to submit your proposal for consideration.

Video Editor - Software product Demo

PROJECT OVERVIEW: I need a professional demo video (2-3 minutes) for WalletDiscover, a desktop cryptocurrency wallet recovery application. The video will highlight our unique "Manual Search Method" feature and be used for marketing on our website and YouTube channel. ABOUT THE APP: WalletDiscover is a professional tool for authorized wallet recovery. It supports Bitcoin, Ethereum, Solana, and other major networks. The app has 2 search modes, but we want to focus on the Manual Method of ultimate pricing version for this video. KEY FEATURE TO HIGHLIGHT (Manual Method): - Users can specify exact private key ranges to search - Customizable search patterns and parameters - Sequential or random scanning within defined ranges - Real-time statistics and progress tracking - Professional UI with live wallet generation display YOUR TASK: 1. Ensure the app functions correctly at a resolution of 1280 x 720 on your operating system. 2. Test the Manual Search Method specifically: - Navigate to the mode selector - Configure a small range (e.g., 100-1000 keys) - Start a test scan - Observe the statistics and UI behavior 3. Record 3-5 minutes of raw footage showing: - Installation process (optional) - Main interface overview - Manual Method configuration screen - Active scanning with live statistics - Results panel and activity log Note: No account creation required. If you're ready, I am prepared to provide the license key for the ultimate version, valid for one day. 4. Using your recorded footage (and any additional footage I provide), create a professional 2-3 minute demo video that includes: Required Elements: ✓ Opening title card with WalletDiscover logo ✓ Brief intro (5-10 seconds): "What is WalletDiscover?" ✓ Main focus (60-90 seconds): Manual Search Method demonstration - Show the mode selection - Highlight customization options - Display live scanning action - Emphasize speed and statistics ✓ Secondary features (20-30 seconds): Quick overview of other modes ✓ UI/UX showcase (15-20 seconds): Clean interface, professional design ✓ Call-to-action ending (5-10 seconds): Download link + website Technical Requirements: - Resolution: 1080p (1920x1080) minimum - Frame rate: 30fps or 60fps - Length: 2-3 minutes - Aspect ratio: 16:9 (horizontal) - Audio: Background music (royalty-free, upbeat/tech style) - Captions: Key feature callouts and text overlays - Transitions: Smooth, professional (not overly flashy) - Color grading: Match the app's dark theme (navy/green accent colors) Style Reference: Think modern SaaS product demos - clean, professional, focused on functionality. Similar to: Notion, Figma, or VS Code demo videos. DELIVERABLES: 1. Raw footage files (3-5 minutes of app screen recordings) 2. Final edited video (MP4, 1080p) 3. Project file (Premiere/Final Cut/DaVinci - optional but appreciated) 4. 2 revisions included WHAT I'LL PROVIDE: - WalletDiscover logo (PNG, transparent background) - Website URL and download link - Support during testing if you encounter issues REQUIREMENTS: ✓ Portfolio with 2-3 similar software/app demo videos ✓ Proficiency in Adobe Premiere, Final Cut Pro, or DaVinci Resolve ✓ Experience with screen recording editing and motion graphics ✓ Ability to run desktop applications for testing (Windows/macOS/Linux) ✓ Good understanding of pacing and storytelling for product demos ✓ Available for 1-2 revision rounds

Seeking Friendly Part-Time Remote Collaborators

I am a sub-team lead working with senior software engineers across multiple development disciplines. We are currently looking for part-time remote professionals for a long-term collaboration. Role: Researching, collecting, and analyzing information across various software development fields Experience Level: Early to mid-career professionals Location: North America, Europe, or South America Communication: Available for real-time communication via chat or video calls when needed Compensation: Monthly rate is flexible and based on performance and work quality If your background matches these requirements, we would be happy to discuss the details and move forward quickly.

Full Stack dev Python/ ReactJS for AI Documentation dashboard

Description Experience Level: Expert Estimated project duration: Ongoing Full Stack Developer - AI in Healthcare Project - 0-15 hours per week to strengthen our innovative start-up team. In this position, you will play a key role in the further development of our AI-based software product and work closely with our senior developer. Your core tasks: - Further development of our Flask-based backend architecture - Design and optimisation of the ReactJS frontend interface - Implementation of DevOps practices to improve deployment - Contributing to the redesign of our database structure - Testing and developing the proof of concept for our AI software product - Scaling product usage and performance optimisation Your profile: - In-depth experience in Python development, especially with Flask - Comprehensive knowledge of ReactJS and modern frontend development (OPTIONAL ) - Familiarity with AWS services, especially EC2 - Experience with DevOps tools and practices - Knowledge of VM/US engine technologies is an advantage - Structured and efficient way of working - Proactive communication and teamwork skills Desirable: - German language skills (working language is English) - Experience in developing or improving AI products

Full-Stack Developer Needed for Web & Mobile Solutions

I am seeking a skilled Full-Stack Developer capable of delivering robust, end-to-end technical solutions tailored to client needs. The ideal candidate has strong experience across web and mobile development and can independently handle the full software development lifecycle. Scope of Work & Responsibilities: Design, develop, and maintain high-quality, scalable web and mobile applications Build custom websites and E-Commerce solutions based on defined business requirements Integrate third-party APIs into existing systems Analyze project and market requirements to inform technical decisions Optimize on-page performance for usability, speed, and search visibility Design and implement efficient data structures and algorithms Develop and manage databases to ensure data integrity and performance Required Skills & Qualifications: Proven experience as a Full-Stack Developer or in a similar role Strong proficiency in web, mobile, and software development Hands-on experience with E-Commerce platforms and custom website development Solid experience with API integration Understanding of on-page optimization best practices Strong knowledge of data structures, algorithms, and database systems What I’m Looking For: A reliable developer who can focus on building and improving applications and websites, deliver clean and maintainable code, and collaborate effectively to achieve project goals.

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Commercial software for Accounting UK

Looking for Developers to Build an HMRC-Compliant Accounting Platform I’m looking for a developer or team to build an online accounting and tax platform similar to Capium/Sage/Apari Software/BaseTax Limited /Blueprint Labs/ BTCSoftware by Bright/CalCal Ltd fully compliant with *HMRC requirements* (Making Tax Digital). Platform Goals: * Enable businesses and accountants to submit VAT, Income Tax, and payroll data digitally. * Support secure digital record-keeping-with audit trails. * Direct API submission to HMRC (MTD-compliant). * Role-based accounts (admin, accountant, client). * Cloud-based document management and dashboards. * Automated calculations for VAT, payroll, and tax returns. * Scalable, secure, GDPR-compliant web application (mobile-friendly optional). Technical Requirements: * Integration with HMRC APIs(sandbox testing first). * OAuth 2.0 authentication for users. * Complete audit logs and secure data handling. * Optional: notifications, reporting, and analytics. What I’m Looking For: * Experience with tax/accounting software or HMRC API integration * Ability to deliver an *MVP first*, then scale. * Portfolio of similar projects. * Suggested tech stack, timeline, and cost estimate. Think Capium + HMRC MTD compliance but modern, user-friendly, and scalable.

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Healthcare AI Safety and Governance Software Platform

We are seeking a software development company to design and build a healthcare AI safety and governance platform intended for use by hospitals and health systems. The platform will support risk management, oversight, and regulatory documentation for AI systems used in patient care. It will not provide clinical decision support or automated clinical decisions. Core capabilities will include: • A registry of AI systems used within a healthcare organization • Structured pre-deployment safety and equity assessments • Post-deployment monitoring for performance degradation and use outside approved scope • Incident and override logging with full audit trails • Governance workflows and exportable, audit-ready documentation The system must be deterministic, auditable, and explainable, with strong access control and traceability. Any AI components, if used, should be limited to documentation or reporting support. This is a regulated, safety-critical software project. Experience with healthcare, medical, or compliance-driven systems is strongly preferred.

Growth Specialist for Custom Software & Games

Please, no bots or AI written applications, we just need sincerity. We are a small team of game developers. We love building custom games and software for our clients. We take pride in our work, but we have one problem: we are developers, not salespeople. The Job We are looking for a freelance partner to help us grow and find clients. We need someone honest who can get results. Your main goal is to find clients who need custom game development. This role focuses on commission. If you bring in work, you make money. We believe in sharing the success. What Is Expected? Find Leads: Look for businesses or agencies that might need a game (for marketing, training, or events). Reach Out: Contact them via email, LinkedIn, or phone. You need to be good at starting a conversation. Pitch Us: Explain what we do and why it helps them. Who We Are Looking For Self-Motivated: We won't stand over your shoulder. You need to be organized and get things done on your own. Honest: We value real relationships. Tech-Savvy: It helps if you understand the gaming or tech world, but it’s not required. Please ignore the "fixed price" listed on this platform. We want to pay you a commission on every project you close. If you are confident you can find us our next contract, please reply with two things: What kind of companies would you contact first? What is your expected commission rate? Note: Please only apply if you are serious and you believe you can do the job. Let’s respect each other’s time.

Software Engineer

Senior Software Developer (JavaScript / C# / Python) We are looking for a highly skilled Software Developer with excellent English communication skills and strong experience in JavaScript, C#, and Python. This role requires solid technical judgment, the ability to work independently, and clear communication with both technical and non-technical stakeholders. Requirements Excellent spoken and written English communication skills Strong hands-on experience with JavaScript, C#, and Python Solid understanding of software engineering fundamentals Experience designing, building, and maintaining scalable applications Strong problem-solving and analytical skills Ability to clearly explain technical concepts and decisions Experience working with APIs, databases, and cloud-based systems Comfortable collaborating in distributed or remote teams

Business Development Manager

About the Role We are seeking a results-driven Business Development Manager to identify new business opportunities, build strong client relationships, and drive sustainable revenue growth. The ideal candidate is strategic, commercially minded, and confident in negotiating and closing deals. Key Responsibilities Identify, develop, and execute new business opportunities and partnerships Build and maintain long-term relationships with clients and stakeholders Conduct market research to identify trends, competitors, and growth areas Prepare and deliver compelling sales presentations and proposals Negotiate contracts and close deals to meet or exceed revenue targets Collaborate with marketing, sales, and leadership teams to align strategies Track performance metrics and provide regular reports to management Requirements Proven experience as a Business Development Manager or similar role Strong understanding of sales strategies and market dynamics Excellent communication, negotiation, and presentation skills Ability to build relationships with clients at all levels Strategic thinker with a results-oriented mindset Proficiency in CRM tools and Microsoft Office Bachelor’s degree in Business, Marketing, or a related field (preferred) What We Offer Competitive salary with performance-based incentives Opportunities for career growth and professional development Collaborative and dynamic work environment How to Apply If you are passionate about driving growth and building successful partnerships, we would love to hear from you. Please submit your CV and a brief cover letter outlining your experience. We are an equal opportunity employer and value diversity in our workplace.

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Lead generator required

We are looking for a long-term lead generation experts. Primary requirements to generate leads in UK. to achieve the target there is no restriction on how you generate leads. If you are expert in any of the following digital Marketing categories, feel free to bid. Adsence, Affiliate Marketing Content Marketing Conversion Optimization eCommerce Marketing Email Marketing Growth Marketing Influencer Marketing Mobile Marketing Podcast Marketing SEM, Google Ads & PPC SEO UGC Videos Video Marketing Viral Marketing Web Analytics Also, if you are in Sales and Marketing then you can apply if you are using any of the following methods to generate leads and sales. Branding, Direct Marketing Events Management Exhibition Marketing Fundraising Loyalty Marketing Mystery Shopping Public Relations Sales and Calls Surveys I hope with all above methods this advert is bit flexible for all who are interested to apply. We are looking for multiple roles. We are an IT company, hence there is no boundaries of where client is from. Clients can be from UK to China, any EU country, Asian country or African. Customer leads outside UK are also welcome. Product and Services are online based hence easy to address to customers all over the world. Software products sales/marketing experience required, online/offline selling any software would be useful. This job may require frequent voice communication with clients, hence fluent English-speaking skills are important. We are also looking for a long-term Lead generation Expert. It’s for a software vendor client, hence software product and services sales experience required. Software development company looking for leads in UK public and private sector. Main responsibility is to look for software development projects and services. You can also bid if you have experience in public sector auction and public sector contract finder. ~Thanks

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Modern Quizzy development

I’m leading Quizzy(StudyByte), an online learning platform that’s already up and running, and I’m now looking to level it up with modern, AI-driven features. I need a solid full-stack developer who knows what they’re doing—someone comfortable with the MERN stack, writing clean code, and taking ownership of real features like AI study tools, personalized learning, dashboards, and engagement systems. I’m easy to work with, but I’m strict about quality, timelines, and communication, so I’m looking for a developer who treats this like a serious product, not a quick gig. If you’re reliable, proactive, and enjoy building meaningful software, we’ll work well together.

IFTA Calculation SAAS needs clients

Hello, I've developed a software that calculates truck's mileage through states required by International Fuel Tax Agreement. Any owner/operator/manager that has more than 5 vehicles which don't have GPS would be my target. I need someone to find me clients and for that I would be willing to discuss some percentage of earning rather than fixed priced sallary. If there is anyone interested, please write back with your questions/offer. The $ number here is symbolic. PS In ideal world, looking for someone for longterm. This is not "First come first serve" type of job, I'll review all the applicants so no rush its more important to compile your thoughts and answer as if you're taking interest in this exact work ;-) Best, B

Senior Full-Stack Developer

We are seeking a highly skilled Senior Full-Stack Developer with extensive expertise in both frontend and backend development. The ideal candidate should have a proven track record of enhancing and updating backend infrastructure. Applicants are required to submit a video via Loom demonstrating their relevant experience in this area. Additionally, please provide a concise summary detailing your approach to updating backend infrastructure. This project offers an opportunity to contribute significantly to our development team, working on innovative solutions and optimizing system performance.

React.js Website Developer Needed

I am looking for a React.js developer who can work on our ongoing project. Code & Project Observations: Redux/Store Configuration is missing at ideal for handling . No clear service layer or hooks separation at much logic is embedded inside components, which may become harder to scale. Expected budget: $2k Timeline: 1 month Hope to chat with you soon.