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Write clean, modular, extensible and well-tested code that supports long-term maintainability and scalability. Design, build, and debug complex distributed systems across the full stack. Collaborate with engineers to design scalable, well tested, and well documented web architecture, including APIs and backend systems.

StackAdapt empowers marketers to reach, engage, and convert audiences with precision through its AI-powered marketing platform.

• Lead and mentor a team of 3-4 talented engineers within full-stack web engineering.
• Act as a hands-on manager and participate in project design and implementation.
• Plan and architect scalable web APIs and backend systems, and build UI components.

StackAdapt empowers marketers to reach, engage, and convert audiences with precision using their AI-powered marketing platform. They seamlessly connect brand and performance marketing to drive measurable results. They are known for a diverse and supportive workplace.

• Design, implement, and scale backend services in .NET Core and front-end applications.
• Design and evolve highly scalable, reliable systems for high-traffic environments with strong observability and extensibility.
• Collaborate closely with Product, Design, and Data from discovery through launch to deliver impactful features.

JustAnswer is the leading AI + Human professional services platform, on a mission to revolutionize how people access expert help. JustAnswer has a 200+ engineer organization that delivers at pace and fosters a positive, collaborative culture focused on learning, impact, and continuous improvement.

Independently deliver features end-to-end. Work across the stack, shipping new functionality, refactoring existing systems, and improving reliability. Collaborate closely with a team of senior engineers and product owners.

CivCheck is transforming how cities manage plan review and building code compliance.

• Work with Design and Product teams to build a web UI that is beautiful, performant, and well-engineered.
• Architect and build the backend/API to optimize for performance, growth, scalability, ease of future development, and code quality.
• Write unit, functional, and integration tests to ensure maximum code and product quality.

The Athletic brings sports fans the most comprehensive stories about the teams, sports, and athletes they love, powered by one of the largest global newsrooms in sports media. The Athletic has a newsroom of 500+ full-time staff and delivers in-depth coverage of hundreds of professional and college teams.

• Design, develop, and maintain high-quality, scalable web applications and platform services.
• Build robust backend services and APIs using modern frameworks and cloud-native patterns.
• Provide architectural direction, evaluate technical trade-offs, and guide long-term platform evolution.

We are seeking an experienced Senior Fullstack Developer who excels in both hands-on engineering and leading projects.

• Ramp on full-stack architecture including backend services, frontend applications, APIs, and data flows.
• Take ownership of a feature area such as user dashboard, transaction flows, admin tools, or API integrations.
• Partner with product, design, and compliance teams to make pragmatic tradeoffs on user experience, performance, and regulatory requirements.

Bastion enables financial institutions and enterprises to issue regulated stablecoins, generate revenue on reserves, and expand their ecosystems.

• Develop, test and iterate on product features spanning frontend, backend, and cloud infrastructure.
• Work closely with product, design, QA, and business teams to translate requirements into production-ready features.
• Design and build integrations with third-party services such as social media, eCommerce, AI and financial services.

They are a VC-funded creator marketplace app connecting eCommerce brands with everyday social media users. They are a high-growth, remote-first startup that offers a flexible 4- day work week, with a small, collaborative team.

Build and enhance core Getlabs applications across web, mobile (iOS), internal tools, and backend APIs. Develop end-to-end features across the stack, including frontend UI, backend APIs. Contribute to secure, HIPAA and SOC 2 compliant systems.

Getlabs is the leading platform for at-home diagnostics improving patient adherence and closing gaps in care with same-day, nationwide availability.

• Contribute to both frontend and backend development.
• Collaborate with the team to refine requirements and participate in code reviews.
• Work within Agile workflows and assist in debugging and resolving production issues.

Oddball believes that the best products are built when companies understand and value the things they are working on.

• Build, ship and iterate on core product features using Next.js.
• Own product modules end-to-end, from implementation to production rollout and iteration.
• Implement responsive, accessible UIs using TypeScript, TailwindCSS, and established design systems.

Ruby Labs is a leading tech company that creates and operates innovative consumer products. They offer a diverse range of opportunities across the health, education, and entertainment industries; their teams are driving the future of consumer-led products.

Help design and develop innovative orchestration features end-to-end. Own and drive enhancement in the orchestration frontend. Work on complex systems and a variety of programming languages and technologies.

dbt Labs is the pioneer of analytics engineering, helping data teams transform raw data into reliable, actionable insights.

• Accelerate the execution of high-impact initiatives on the Cards team.
• Ship features end-to-end, working across the TypeScript/NextJS/GraphQL stack.
• Collaborate with a fast-paced, high-autonomy team to deliver meaningful product impact.

Keep provides businesses with a comprehensive suite of cross-border banking services, offering everything from credit cards to deposit accounts.

• Lead end-to-end delivery and drive technical direction across a real-time, high-scale product surface.
• Architect, build, and evolve systems spanning backend services and modern web UIs that power live calling workflows.
• Partner closely with Product and Design, shaping the roadmap as engineering, product, and design are equal partners.

Orum's AI-powered suite frees salespeople to do what they do best: connect, listen, and sell.

• Build and maintain modern front-end web applications for customer, partner, and internal-facing experiences.
• Implement new features using React and TypeScript, integrating with Ruby on Rails backend APIs.
• Write automated front-end tests and monitor application performance to ensure a high-quality UI.

Cybrid is a Series A fintech startup building the next generation of crypto-powered global payments infrastructure.

• Build impactful user-facing features in collaboration with engineers and cross-functional partners.
• Design and implement performant, scalable, and reliable solutions.
• Incorporate the latest AI technologies, tools, and workflows into the platform.

Office Hours is a consulting platform and marketplace helping people earn by sharing what they know and connecting companies with expert advisors on demand.

• Design, develop, and maintain full-stack features using Python on the backend and React with TypeScript on the frontend.
• Build and evolve backend APIs and services to support complex workflows and integrations.
• Contribute to system architecture, ensuring scalability, security, and maintainability.

Our client builds digital platforms for local governments, helping modernize public-sector operations with secure, scalable web applications.

• Implement new features and functionality within Localize’s core product.
• Develop and maintain REST APIs with Node/Express/MongoDB that power the frontend application.
• Modernize and evolve an existing codebase to improve patterns and architecture.

Localize's platform is used by 700+ companies to automate the translation of their web and mobile applications to bring their products & services to new markets.

• Collaborate with Product Managers, Designers, and Backend Engineers to design and implement user interfaces.
• Drive the architecture and design of complex frontend systems using modern frameworks and libraries.
• Optimize application performance and loading times, focusing on frontend efficiency and user satisfaction.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women’s health, and organ health.

Define the frontend architectural vision for complex products, design scalable component systems and UI frameworks, and translate product requirements into robust technical architecture. Lead performance optimization, accessibility, security, and scalability initiatives. Build reusable libraries and design systems, review code paths, and mentor senior engineers.

Emergent is reimagining how software gets built to democratize development, enabling anyone with an idea to become a creator.