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About careerpulse
careerpulse is a forward‑thinking real‑estate technology company that empowers buyers, sellers, and agents with instant, data‑rich property insights. Our mission is to transform the way people discover and evaluate homes by combining cutting‑edge AI with a seamless, mobile‑first user experience. With a growing portfolio of over 200,000 active listings and a dedicated team of developers, designers, and data scientists, careerpulse is positioned at the intersection of real‑estate innovation and artificial intelligence. We’re looking for a talented freelance backend engineer to help us elevate our chat widget, turning plain text responses into dynamic, responsive property cards that drive engagement and conversions.
Why This Role Matters
In today’s digital real‑estate landscape, the ability to deliver instant, actionable information directly within a chat interface is a game‑changer. Our current chat widget, built with vanilla HTML/CSS/JS, communicates with a Flask backend that leverages OpenAI’s function‑calling feature. However, the pipeline is not yet delivering the high‑quality, structured responses we need, and the mobile user experience requires refinement. By joining careerpulse, you’ll play a pivotal role in bridging the gap between AI intent and user‑friendly UI, ensuring that every property listing is presented as a polished, responsive card complete with images, price, specs, and a clear call‑to‑action.
Key Responsibilities
- Design and implement robust backend logic for handling OpenAI function calls, ensuring that each request returns a well‑structured JSON payload that the front‑end can render as a responsive property card.
- Integrate real‑time listing data from our proprietary API, applying caching, rate‑limiting, and error‑handling strategies to maintain performance and reliability.
- Collaborate with the front‑end team to define the exact schema of the payload, including image URLs, pricing, property specs, and CTA links.
- Optimize mobile UX by working closely with UI/UX designers to ensure that the chat widget adapts gracefully to various screen sizes and orientations.
- Implement comprehensive testing (unit, integration, and end‑to‑end) to guarantee that function calls, data transformations, and API responses meet our quality standards.
- Document your work thoroughly, including API specifications, data models, and deployment instructions, so that future engineers can maintain and extend the system.
- Provide actionable insights on performance bottlenecks, potential feature enhancements, and best practices for scaling the solution.
Essential Qualifications
- Proven experience building Python/Flask applications that interact with external APIs.
- Deep familiarity with OpenAI’s function‑calling API (or equivalent Anthropic/Claude function calling) and the ability to design JSON schemas that capture complex data structures.
- Strong understanding of RESTful API design, authentication, and rate‑limiting.
- Experience with JSON schema validation and data serialization.
- Solid grasp of frontend integration principles, including how back‑end payloads map to UI components.
- Proficiency with Git, Docker, and CI/CD pipelines for automated testing and deployment.
- Excellent problem‑solving skills and a meticulous attention to detail.
- Strong communication skills, with the ability to articulate technical concepts to non‑technical stakeholders.
Preferred Qualifications
- Prior work on real‑estate or property‑listing platforms that required real‑time data fetching and rendering.
- Experience with mobile‑first design and responsive front‑end frameworks (React, Vue, or similar).
- Knowledge of AI/ML model deployment best practices, including monitoring and logging.
- Familiarity with OpenAI’s newer capabilities such as GPT‑4o, embeddings, and advanced function calling.
- Background in performance optimization (e.g., caching strategies, async I/O, profiling).
- Experience with Agile/Scrum development cycles and remote collaboration tools.
Skills & Competencies
- Python & Flask – Advanced coding, modular architecture, and micro‑service patterns.
- OpenAI API & Function Calling – Designing intents, crafting function definitions, and parsing responses.
- JSON & Data Modeling – Schema design, validation, and transformation.
- API Integration – Consuming third‑party services, handling pagination, and error recovery.
- Testing & QA – Unit tests (pytest), integration tests, and automated end‑to‑end scenarios.
- DevOps – Docker, GitHub Actions, and cloud deployment (AWS/GCP/Azure).
- Collaboration – Cross‑functional teamwork, clear documentation, and agile communication.
- UX Sensibility – Understanding how backend data translates into user‑friendly UI components.
Career Growth & Learning Opportunities
While this role is structured as a freelance engagement, careerpulse values long‑term partnerships. Successful candidates may be invited to join our core engineering team on a full‑time basis, where you’ll have the chance to shape product strategy, mentor junior developers, and lead future AI‑driven initiatives. You’ll also gain exposure to cutting‑edge AI technologies, real‑time data pipelines, and large‑scale web applications—skills that are highly sought after in the tech industry.
Work Environment & Culture
careerpulse embraces a remote‑first, flexible work culture that encourages autonomy, continuous learning, and a healthy work‑life balance. Our engineering team operates in short, focused sprints, with daily stand‑ups and bi‑weekly retrospectives. We foster an environment where ideas are welcomed, experimentation is encouraged, and success is celebrated. As a freelance engineer, you’ll have direct access to product managers, designers, and senior engineers, ensuring that your contributions are visible and impactful.
Compensation, Perks, & Benefits
We offer a competitive fixed‑price contract based on milestones, with the potential for hourly billing if that aligns better with your workflow. The budget for this project is flexible and will be negotiated based on your experience and the scope of deliverables. In addition to fair compensation, you’ll receive:
- Access to careerpulse’s internal knowledge base and documentation.
- Regular feedback and performance reviews.
- Opportunities to attend industry conferences and workshops.
- Potential for future collaboration on additional AI and real‑estate projects.
How to Apply
If you’re excited to bring your backend expertise to a fast‑moving, AI‑driven real‑estate platform, we’d love to hear from you. Please submit a brief proposal that includes:
- 2–3 examples of function‑calling work you’ve completed (OpenAI, Anthropic, or other AI platforms).
- A short note on how you would structure the backend handler for this project (one paragraph).
- Your preferred timeline and proposed budget (fixed price).
Send your proposal through the Upwork link below or attach it to your application. We’ll review all submissions carefully and select the freelancer who demonstrates the best blend of experience, creativity, and value.
We look forward to collaborating with you to create an engaging, AI‑powered chat experience that sets careerpulse apart in the real‑estate market.
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