Source Job

• Design, build, and ship end-to-end product features across frontend and backend systems.
• Lead the development of complex, data-heavy user interfaces.
• Build and evolve backend services and APIs that integrate with internal systems.

Mainstay is a market intelligence platform for managing homes in the single family rental industry. As an AI native company founded within Opendoor in 2024, they turn complex data into clarity and recently raised a Series A round led by Khosla Ventures.

• Partner with product, data, and engineering leaders to design intuitive solutions for complex matching and identity problems.
• Design and build backend services that support real-time and batch matching workflows.
• Develop and maintain user-facing web interfaces that enable inspection, investigation, and human-in-the-loop workflows.

Wiser Solutions is the global leader in omnichannel retail intelligence, empowering over 750 global brands and retailers to gain a decisive advantage at every consumer decision point. Every day, Wiser collects and analyzes billions of online and in-store data points with 98% accuracy, offering a single trusted source of insights into pricing dynamics, promotional effectiveness, competitive activity, and retail execution.

• Design, develop, and maintain scalable services that support the diverse activities of a high-throughput laboratory.
• Develop both front-end and back-end applications.
• Implement and manage CI/CD pipelines using GitLab.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women’s health, and organ health, aiming to make personalized genetic testing and diagnostics part of the standard of care. The Natera team consists of statisticians, geneticists, doctors, scientists, business professionals, and software engineers from world-class institutions, who care deeply for their work and each other.

• Design, develop, and maintain full-stack web applications, ensuring high performance, scalability, and security
• Implement new features and enhancements in a well-tested, maintainable, and efficient way
• Collaborate with product managers and UX designers to create intuitive, responsive, and accessible interfaces

Exadel is an AI-first global tech company with 25+ years of engineering leadership. We have 2,000+ team members and 500+ active projects powering Fortune 500 clients, and our people are ambitious, collaborative, and constantly evolving.

• Partner with cross-functional teams to create innovative features and developer experiences with our APIs
• Rapidly prototype and implement new product features from ideation to production
• Collaborate closely with early access developers to deliver scalable and efficient API features

Quora's mission is to grow the world's collective intelligence, providing platforms like Quora and Poe for knowledge sharing and AI interaction. They foster a culture of transparency and collaboration within their global teams, encouraging idea-sharing and experimentation.

• Build and ship features across frontend and backend systems
• Move seamlessly between Next.js, SvelteKit, and Hono depending on what the problem requires
• Work with Postgres as the primary data layer, designing schemas and optimizing queries

SERHANT. is the most followed real estate brand in the world, calibrated for the marketplace of tomorrow, delivering proven results for buyers, sellers, and developers. SERHANT. revolutionizes the traditional brokerage model by innovating through media and content creation and is powered by a full-service in-house film studio as well as an amplification platform.

• Build REST APIs that power core customer experiences
• Build customer-facing React components
• Configure monitoring for backend services

Atlassian's software products help teams all over the planet, and their solutions are designed for all types of work. They believe that the unique contributions of all Atlassians create their success and strive to incorporate everyone's perspectives and experience.

• Design, develop, and maintain scalable web applications using JavaScript, TypeScript, React, and Next.js
• Build and support backend services and APIs using Python
• Develop, containerize, and deploy applications using Docker within complex infrastructure environments

Quantiphi is an award-winning Applied AI and Big Data software and services company, driven by a deep desire to solve transformational problems at the heart of businesses. Headquartered in Boston, with 4,000+ professionals across the globe, they foster a culture built on transparency, diversity, integrity, learning and growth.

• Own the maintenance and enhancement of the Node.js API and ReactJS frontend
• Implement advanced improvements to the Hapi.js backend and MobX-based state management
• Optimize the GraphQL data access layer for efficient and reliable data flow

Exadel is an AI-first global tech company with over 25 years of engineering leadership. They have 2,000+ team members and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

• Sitting at the intersection of Engineering, Product, and Design, you will own features from idea to deployment and user feedback.
• You'll collaborate with Product & Engineering leadership to define requirements, user flows, and success metrics.
• You'll design scalable, maintainable full-stack solutions (React, Node.js, Python) that integrate seamlessly with their EHR and AI services.

Blackbird Health offers virtual and in-person mental health services for children and young adults in Pennsylvania, Virginia, and New Jersey, with plans to expand to new states in 2026. Their teams are integral to the success of their patients and mission, and they welcome compassionate, inspired thought leaders to their growing organization.

• Design, develop, and maintain server-side applications using Node.js, Go, or Python.
• Build modern user interfaces with ReactJS.
• Design and develop APIs following best practices.

Software Mind develops solutions that make an impact for companies around the globe. They build cross-functional engineering teams that take ownership and crave more, always on the lookout for talented people who bring passion and creativity to every project.

• Design, develop, and maintain scalable services for a high-throughput laboratory.
• Develop both front-end and back-end applications and manage CI/CD pipelines.
• Collaborate with end-users and optimize AWS cloud architecture for performance.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women’s health, and organ health. The Natera team consists of highly dedicated statisticians, geneticists, doctors, laboratory scientists, business professionals, software engineers and many other professionals from world-class institutions, who care deeply for our work and each other.

• Build and maintain features using Next.js (App Router) on the frontend.
• Develop APIs and backend services with NestJS.
• Work with TypeScript across the full stack.

Catch Creation is a global eCommerce company built for the digital age. They create, grow, and manage online brands that inspire customers and deliver real value through exceptional products and experiences. Their team thrives in a fully remote environment, combining creativity, data-driven strategy, and innovation to build scalable eCommerce solutions that perform.

• Build and evolve web applications and dashboards.
• Improve and maintain existing platforms: refactors, performance, UX improvements, and reliability work.
• Design and implement APIs + data models that make data easy to query, audit, and reuse.

Open Energy Transition (OET) is a remote-first non-profit building open-source tools and data for energy and grid planning. OET exists to make energy planning more transparent, reproducible, and accessible, and to help open approaches become the global standard by 2030.

• Design, build and launch new multi-product features and improve the overall quality of SmarterDx’s apps
• Design, build and launch reusable frontend components that are fully featured, responsive, and accessible to improve the overall quality of SmarterDx’s apps
• Collaborate across disciplines to understand our users and iterate on new ideas

SmarterDx, a Smarter Technologies company, builds clinical AI that is transforming how hospitals translate care into payment. Founded by physicians in 2020, their platform connects clinical context with revenue intelligence. SmarterDx has a fast-moving, high-impact environment where you can focus on what matters with smart, supportive, and mission-driven colleagues.

• Collaborate with other developers, product owners and managers, and business stakeholders to craft new product features and improvements for our platform
• Bring projects from initial concept through all cycles of development: from project definition to development, debugging, initial release and subsequent iteration
• Build enterprise level solutions, ensuring scalability, supportability and maintainability

Bluelight is a leading software consultancy dedicated to designing and developing innovative technology that enhances users' lives. They are in an exciting phase of expansion and continually seeking exceptional talent to join its dynamic and diverse community.

• Design, develop, and maintain scalable web applications and services across the full stack.
• Build intuitive and responsive user interfaces using React.js with JavaScript/TypeScript.
• Develop backend services and APIs using Python or Node.js, integrating with SQL/NoSQL databases and cloud services.

Sigma Software builds high-quality software for global companies, combining modern technologies with a culture of innovation. They are a skilled, collaborative team working on complex integrations and scalable systems in a fast-paced environment.

• Integrate user payment functionality and develop dashboards that manage personal and private user data.
• Build automated workflows using custom LLMs to analyze and review customer data.
• Work with external APIs to develop a marketplace where entrepreneurs can sell or market products directly on the platform, including observability and system health monitoring.

US Black Chambers Community Economic Development Corporation (USBC CEDC) supports the financial education and training needs of the U.S. Black Chambers, Inc. (USBC). They are committed to providing visionary leadership and advocacy in the realization of economic empowerment.

• Build Full-stack solutions with various technologies and languages.
• Implement well-scoped, scalable solutions that support business growth and operational efficiency
• Collaborate closely with product and design partners to translate requirements into thoughtful technical solutions

Nabis is the #1 licensed cannabis wholesale platform in the world. They supply $1B+ worth of cannabis products per year from hundreds of brands to retailers across California, New York, and Nevada and are backed by Y Combinator. They are building an innovative technology-first platform to scale the entirety of the cannabis industry and their team includes luminaries and celebrities such as DoorDash co-founder Stanley Tang, NFL Hall of Famer Joe Montana, Gmail creator Paul Buchheit, and Twitch co-founder Justin Kan.

• Design, develop, and maintain full-stack solutions using React.js, Next.js, TypeScript, C#, .NET Core, and ASP.NET MVC.
• Build and consume RESTful APIs, ensuring scalability, performance, and maintainability.
• Contribute to the design and evolution of full-stack application architecture.

EX Squared LATAM partners with engineering-driven organizations to design, build, and evolve business-critical digital platforms. They are looking for a senior, hands-on engineer with strong technical judgment, autonomy, and accountability.