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**Junior Software Engineer (AI & Product Development) - USA Based** We are an early-stage startup building AI-powered products and are looking for a motivated Junior Software Engineer based in the United States to join our growing team. We're not looking for someone who knows everything. We value curiosity, creativity, ownership, and a genuine interest in learning new technologies. If you enjoy solving problems, experimenting with ideas, and building things from scratch, we'd love to hear from you. **What You'll Work On** * Building and improving web applications and internal tools * Integrating AI/LLM APIs into real-world products * Developing backend services, APIs, and automations * Working with product and design teams to turn ideas into features * Testing, debugging, and improving existing systems * Exploring new technologies and helping shape technical decisions **Preferred Skills** * Experience with one or more programming languages such as Python, Java, or C# * Basic understanding of SQL * Experience consuming APIs and working with JSON data * Familiarity with Git and collaborative development workflows * Exposure to cloud platform; AWS is a plus * Interest in AI, LLMs, agents, automation, RAG, or data-driven applications **Who You Are** * USA-based * Naturally curious and eager to learn * Open-minded and comfortable adapting to change * Creative in approaching technical challenges * Dedicated, reliable, and able to take ownership of tasks * Strong communicator who enjoys collaborating with others * Excited by the pace and opportunities of a startup environment **What Matters Most** We care less about the number of years on your resume and more about your ability to learn, contribute, and grow. Show us projects you've built, problems you've solved, or anything that demonstrates initiative and passion for technology. When applying, please include: * Resume * GitHub, portfolio, or personal projects * A short introduction explaining why you're interested in startups and AI * Your hourly rate (can reach up to $60) and weekly availability (at least 15hr/week)
Project ID: 40494207
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Active 6 days ago
Location: United States
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100 freelancers are bidding on average $34 USD/hour for this job

Hi — Elias here from Miami. I see you're looking for a junior software engineer focused on AI and product development within an early-stage startup. It's crucial to build a solid foundation for your products, ensuring they can adapt and scale as your user base grows. What usually matters most here is the balance between rapid development and long-term maintainability. A common issue in new projects is over-engineering or missing key integrations that can streamline workflows. The tricky part is usually ensuring your architecture can handle future expansion without significant rewrites. My approach would start with a clear modular design, allowing for easy updates and integrations as your product evolves. I would emphasize using solid API structures and a robust database schema, ensuring reliability and performance. My experience includes developing scalable web applications and AI features, so I understand the nuances of integrating AI into existing workflows. A few questions to better understand the scope: Q1 – What user roles and permissions do you envision for the initial launch? Q2 – Are there specific AI functionalities you want to prioritize for the MVP? Q3 – How do you plan to handle integrations with existing tools or platforms? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 10 days
8.5
8.5

Hello, I have reviewed your Junior Software Engineer role and understand you are looking for a motivated developer to contribute to AI-powered product development, backend services, API integrations, and experimentation with modern technologies in a startup environment. I have 10+ years of experience in software development, working across Python, JavaScript, backend APIs, SQL databases, cloud services, and AI/LLM integrations including RAG systems, automation workflows, and data-driven applications. I am comfortable building scalable web applications, integrating third-party APIs, and collaborating with product and design teams to deliver features end-to-end. I have strong experience working with Git-based workflows, REST APIs, JSON data handling, database design, and cloud deployments (AWS-style environments). I am particularly interested in AI systems, automation, and building intelligent applications that solve real-world problems. I am highly adaptable, focused on clean engineering practices, and comfortable working in fast-paced startup environments where ownership and experimentation are key. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND PROVIDE ASSISTANCE FROM DEVELOPMENT TO DEPLOYMENT AND CONTINUOUS IMPROVEMENT. I am available for 15+ hours per week and open to long-term collaboration. I eagerly await your positive response. Thanks. Christina
$40 USD in 40 days
7.7
7.7

Hello, I hope you're doing well! I understand you are looking for a USA-based Junior Software Engineer to help build AI-powered products, web applications, APIs, automations, and internal tools while contributing to an early-stage startup environment. I have experience working with Python, APIs, SQL, cloud-based systems, AI integrations, automation workflows, and collaborative Git-based development, with a strong focus on learning quickly, solving problems, and delivering reliable solutions. I will contribute across product development, backend services, AI integrations, testing, and technical exploration while taking ownership of assigned tasks and maintaining clear communication with the team. Q1: What is the primary technology stack currently used for your products? Q2: Are the initial projects focused more on AI integrations, web applications, or backend infrastructure? Q3: What level of overlap with your team's working hours is expected each week? Looking forward to learning more about the startup and contributing to the growth of your AI products!
$38 USD in 40 days
7.4
7.4

Hi I can support your AI and product development work as a junior software engineer who is comfortable learning fast, building from scratch, and contributing across web apps, APIs, automations, and AI-powered features. I have experience with Python, JavaScript, SQL, REST APIs, JSON data handling, Git workflows, backend services, web applications, cloud basics, and AI/LLM API integrations. The main technical challenge in an early-stage AI startup is turning experimental ideas into useful product features without creating messy or hard-to-maintain code. I will solve this by writing clean, testable code, documenting my work, asking the right questions, and improving features through quick feedback cycles. I can help integrate LLM APIs, build internal tools, debug existing systems, create backend workflows, and support product/design teams as ideas move into development. I am especially interested in AI agents, automation, RAG-style workflows, and practical AI products that solve real user problems. My focus will be taking ownership of assigned tasks, learning quickly, and contributing reliable work in a collaborative startup environment. Thanks, Hercules
$50 USD in 40 days
7.5
7.5

Hello, I have carefully reviewed the project requirements for the AI Junior Software Engineer position based in the United States. I am excited about the opportunity to work on building AI-powered products, integrating AI/LLM APIs, developing backend services, and collaborating with product and design teams. Let's chat and discuss it further. To handle your project, I will start with leveraging my expertise in Python, Java, and Git to build and improve web applications, integrate APIs, and develop backend services. My approach involves a strong focus on testing, debugging, and continuous improvement to ensure high-quality deliverables. I am committed to delivering efficient web applications, seamless API integrations, and robust backend services to meet your project goals. Before signing-off my bid, I would like to ask a question, i.e., how do you envision scaling the AI-powered products in the future? Best Regards, Aneesa.
$15 USD in 40 days
6.3
6.3

Hi There!!! ★★★★ ( AI product engineering role focused on backend, APIs and LLM integration in a startup environment ) ★★★★ Project understanding: I understand you are looking for a USA-based junior software engineer to join your AI startup team. The role involves building web apps, backend APIs, integrating AI/LLM services, working with SQL databases, debugging systems and collaborating closely with product and design teams. Services: ⚜ Backend development using Python / Java / C# ⚜ API development and third-party integrations (JSON based systems) ⚜ AI/LLM integration for real-world product features ⚜ Database handling with SQL design and optimization ⚜ Git based collaborative development workflow ⚜ Cloud exposure support (AWS and scalable systems) ⚜ Debugging, testing and system improvements I have hands-on experience building backend systems and working with APIs, databases and automation tools. I enjoy learning new stacks and contributing in fast-moving product teams. My approach is simple—understand the product goal, build clean scalable modules, integrate APIs properly and keep improving based on feedback. I am very interested in AI driven systems and startup culture where I can grow while contributing real value. I would be happy to discuss how I can support your engineering team. Warm Regards, Farhin B.
$16 USD in 40 days
6.7
6.7

With over 10 years of experience as a Full-Stack Developer, I bring a versatile skill set to the table that aligns with your project needs. My fluency in Java and PHP, two of the preferred programming languages in your project description, can provide the scalability and reliability you are seeking for your start-up. Additionally, my command over OCR, NLP, prompt engineering, and other generative AI tools is backed by a strong portfolio that showcases my expertise in working with RAG pipelines, vector databases and more. My interest in trading and finance also complements your preference for someone who thrives in an entrepreneurial environment. I'm accustomed to meeting tight deadlines, troubleshooting issues and learning new technologies quickly - attributes that are essential for a rapid-growing start-up like yours. Finally, as an individual who highly values open communication and collaboration with clients throughout every stage of the project lifecycle, I assure you that I'll prioritize understanding your requirements accurately. These characteristics combined with my competitive hourly rate could be just the winning combination your start-up requires. Looking forward to discussing how I can add value to your team!
$20 USD in 40 days
7.0
7.0

Hello, I am a USA-based junior software engineer eager to join your AI product team. I enjoy building web apps and backend services, learning LLMs and automation, and working with Python, SQL, REST APIs, Git, and cloud tools. I can share my resume, GitHub, portfolio, a short introduction, and discuss hourly rate and weekly availability. Thank you for considering my application — Sherman
$38 USD in 40 days
6.1
6.1

Greetings, I’m a software engineer with experience building web applications, backend APIs, AI-powered tools, and workflow automations using Python, JavaScript, SQL, and cloud services. I enjoy working in startup environments where I can take ownership, learn quickly, and help turn ideas into real products. I have hands-on experience integrating LLM APIs, developing scalable backend services, working with Git-based workflows, and collaborating across product and engineering teams. I’m passionate about AI, automation, and building practical solutions that create real business value. Why work with me? ★ Proven track record: 75 successful projects with 5-star reviews ★ Expertise in Node.js, Angular, React, Express, Python, Django, Flask, PHP, WordPress, Laravel, Codeigniter and more ★ Responsive, deadline-focused, and committed to results ★ 3 months of free post-launch support Let’s schedule a quick chat to discuss your preferred tech stack, timelines, and launch goals. I’m confident I can bring your vision to life. Best regards, Samar H.
$15 USD in 40 days
6.1
6.1

Hello dear, Greetings from MD. Toriqul Islam! We are a dedicated Web Design & Development team with over 10+ years of industry experience. I’m Engineer Toriqul Islam, an experienced Computer Science & Engineering graduate from RUET. We specialize in building modern, scalable, and user-friendly digital solutions tailored to business needs. What I Offer We help businesses grow online by delivering: • Clean, modern, and responsive website designs • High-performance and scalable web applications • User-focused UI/UX for better engagement and conversion My Technical Expertise We work across a wide range of technologies, including: • Frontend: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React • Backend: Node.js, PHP, Laravel, .NET, CodeIgniter, Ruby on Rails, Python • CMS & Platforms: WordPress • Database: MySQL, MongoDB • Mobile Development: React Native, Flutter, and more Why choose me? ✔️ Clean, optimized, and well-documented code ✔️ Reusable and scalable components ✔️ On-time delivery with complete requirement fulfillment We are confident in our ability to turn your ideas into a powerful digital product. Let’s discuss your project and make it a success. Looking forward to working with you! Best Regards, Md. Toriqul Islam
$15 USD in 40 days
6.3
6.3

Hello, I came across your opportunity and found the combination of AI, product development, and startup culture very exciting. I have experience building web applications, REST APIs, automation systems, and AI-powered solutions using Python, Django, Flutter, SQL, AWS, and modern development workflows. I've worked on projects involving LLM integrations, workflow automation, scalable backend systems, and cloud deployments. I understand the posting mentions USA-based candidates. Before applying further, I'd like to confirm whether you are open to working with experienced international remote developers. If so, I'd be happy to share my resume, GitHub/projects, availability, and relevant experience building AI-driven products and SaaS platforms. I look forward to hearing from you. Best regards, Jemin Sagar
$25 USD in 40 days
6.4
6.4

Hey there, after careful review of your requirements, I am confident that I can successfully contribute to your project, and I hereby submit this proposal. I understand that you are seeking a Software Engineer with a strong interest in AI development who can support software engineering tasks, collaborate with the team, and contribute to building reliable and scalable solutions. I have experience in software development, AI-powered applications, API integrations, backend systems, and modern development workflows. This demonstrates that my skills are a good fit for your project. To realize this project, I would begin by understanding your existing systems, development processes, and project objectives to ensure effective collaboration from the start. I can assist with feature development, debugging, API integration, backend and frontend tasks, AI-related functionality, testing, and documentation while maintaining clean and maintainable code standards. Additionally, I am comfortable working in agile environments, learning new technologies quickly, and contributing proactively to project success and long-term product growth. I can provide solution and my experience for this project via a private chat. I have got ideas brewing for your project, but I’d like to make sure they are aligned with what you want. Warm regards Ruslan
$30 USD in 40 days
5.8
5.8

With over 12 years of experience in system administration, network engineering, and DevOps, I am confident in my ability to contribute to your startup as an AI Junior Software Engineer. My passion has always been using technology to create automation and drive operational excellence – which is exactly what your project needs. My skills in Git, PHP, and SQL combined with a deep understanding of modern DevOps practices align perfectly with your requirements for developing backend services, APIs, and automations. One of the challenges I enjoy the most is integrating different technologies into real-world products. As an AI Junior Software Engineer with a natural curiosity and eagerness to learn, I am excited by this prospect in your project description. In addition to my proficiency in Python and Java, I have experience consuming APIs, working with JSON data, and even deploying on cloud platforms such as AWS. My collaborative approach makes me a strong communicator which I believe will be beneficial in working closely with your product and design teams to turn ideas into features.
$38 USD in 40 days
5.5
5.5

I understand you need a US-based Junior Software Engineer to build and improve web applications and internal tools for your early-stage startup focused on AI-powered products. My experience developing internal dashboards using Python and React for a previous AI project led to a 15% reduction in data processing time. I will construct a functional web application prototype using Flask for the backend and React for the frontend, integrating it with any necessary AI models via API calls. For internal tools, I'll leverage Python with libraries like Pandas and Streamlit for data manipulation and visualization, ensuring clear and interactive user interfaces. What specific AI models are currently in development or planned for integration into these initial applications? Ready to start as soon as you confirm scope.
$46 USD in 7 days
5.2
5.2

Hello, Greetings , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Java, Git, Python, PHP, AI Development, Software Architecture, SQL and API Development. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. 've built, problems you' Looking forward to hearing you back and discussing all details.. Your Sincerely
$50 USD in 35 days
4.5
4.5

Hello, Early-stage AI products fail when backend logic, API integrations, and LLM workflows are built without clear structure, leading to fragile systems and hard-to-scale prototypes. I focus on building clean, modular backend services, integrating AI/LLM APIs, and developing reliable data-driven applications with proper API design, SQL modeling, and Git-based collaboration workflows that support fast iteration in startup environments. Experience building API-driven applications, AI integrations, automation tools, and backend systems with Python, SQL, and modern web service architecture. 1. What specific AI use cases are you prioritizing first (RAG systems, agents, automation workflows, or LLM-powered user features)? 2. What backend architecture is currently in place (monolith, microservices, or early prototype scripts), and how is data currently stored? 3. Are you expecting this role to focus more on feature development, or also include system design and infrastructure decisions (AWS, scaling, deployment pipelines)? Best regards, Fahad
$25 USD in 40 days
4.1
4.1

Hi, I've worked on building and maintaining complex workflows using n8n, integrating various AI/ML APIs, and developing backend services for automations. My experience aligns well with your needs, especially with integrating AI into real-world products. Let's start with a small project to align before larger tasks. Best Regards, Ivica
$38 USD in 40 days
4.3
4.3

Hello, I have experience with integrating AI and LLM APIs into applications and developing backend services for tools like e-commerce platforms and internal dashboards. I can build scalable web applications that efficiently leverage AI for enhanced user experiences and automate processes through robust APIs. For instance, I can design a feature that uses AI to provide personalized product recommendations based on user behavior. Let's discuss!
$20 USD in 40 days
4.3
4.3

Hi, I'd be interested in helping your startup build and improve AI-powered products. What I like about this role is that it's not only about writing code, but also learning fast, experimenting, and turning product ideas into working features. I'm comfortable working on web apps, backend APIs, internal tools, automations, debugging, and API integrations. I also have hands-on interest in AI/LLM workflows, including OpenAI-style API integration, agents, RAG concepts, JSON-based API work, and building practical tools around real product needs. My background includes Python, JavaScript/TypeScript, SQL, Git-based collaboration, REST APIs, backend services, and cloud-aware development. I'm not someone who needs every detail handed over before starting - I can investigate, ask the right questions, break tasks down, and take ownership of small features from idea to delivery. I'm especially interested in startups because the work is direct and meaningful. You can build something, test it quickly, learn from users, and improve it without too much red tape. That kind of environment fits me well. I am looking forward to working with you. Best regards. Daniel
$50 USD in 40 days
4.5
4.5

Dear Client, Hello dear! I’m Md Toriqul Islam, a Full-Stack Developer and Computer Science & Engineering graduate from RUET with 10+ years of experience building web applications, APIs, automation systems, and AI-integrated solutions. I understand you are looking for a motivated engineer to help build AI-powered products, backend services, internal tools, and automation workflows. I have hands-on experience developing scalable applications, integrating APIs, working with cloud platforms, and transforming product ideas into reliable, production-ready features in fast-paced environments. I have rich experience in AI-enabled development. I am skilled in Python, Node.js, SQL, AWS, REST APIs, Git, automation, and LLM integrations. I’m ready to start immediately and would be happy to discuss this opportunity. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$15 USD in 40 days
5.6
5.6

Iloilo City, United States
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