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Latin America

  • Build and ship fullstack product features across candidate and recruiter experiences, from API and data model design to frontend implementation.
  • Improve real-time AI-powered experiences using model orchestration, streaming UX, and tool/function-calling patterns.
  • Partner across product, design, and platform teams to take ambiguous problems from definition to production rollout.

Ruby On Rails React TypeScript API Design AI Integration

20 jobs similar to Senior Software Engineer, Fullstack

Jobs ranked by similarity.

LATAM

  • Build and ship MVPs fast, working hands-on with LLMs, APIs, and AI-assisted workflows.
  • Use tools like Copilot, Cursor, GPT, and Claude daily to ship AI-powered product inside high-growth startups.
  • Work fully remote with flexible schedules, part-time or side gig, with some US time overlap.

Futureproofing is a talent platform focused on embedding high-caliber engineers into startups building AI-driven products. They match intentionally, not through keyword filtering, and focus on output, ownership, and shipping speed in a developer-first model.

Global

  • Build full-stack features across React, React Native, and Node.js, including AI chat UI and workflows.
  • Design and implement AI systems such as tool-using agents, RAG, and human-in-the-loop flows.
  • Ensure system reliability, scalability, and performance while mentoring team members.

WorkHero is building the AI-powered back office for the skilled trades, starting with the HVAC industry. They are a small, senior team with deep experience in AI, product, and the trades.

$186,807–$232,578/yr
Canada

  • Own hard problems end-to-end, from framing to shipping to measuring impact.
  • Work across the stack as a generalist, going wherever the problem leads.
  • Leverage AI agents for volume and spend your time on the parts that need a person.

Babylist is a platform helping families navigate baby registries and the challenges of raising a child. The team is around 65 engineers, profitable for eight years, with over $750M in revenue in 2025.

LATAM

  • Partner with product, exec leadership, design, sales, and marketing to build simple, effective solutions.
  • Champion AI development practices and mentor the engineering org to boost sprint velocity and code quality.
  • Build and run scalable systems with high security and work on evolving legacy architecture toward a modern stack.

South Geeks engages top Software Engineers, Security Experts, and Data Analysts from Latin America for global clients. For over 8 years, they've helped scale companies with a people-centered culture of innovation and collaboration.

Global

  • Delivering product features with AI coding agents as your primary implementation loop, writing specs and context-rich tasks that carry architecture and team standards.
  • Reviewing and verifying agent-generated code with the same rigor you would apply to a colleague's, catching errors before production.
  • Taking full ownership of every feature end-to-end: clarifying requirements, owning quality and test coverage, and monitoring post-release.

airSlate is a global SaaS technology company that develops no-code workflow automation, electronic signature, and document management solutions. The company serves over hundreds of millions of users and more than one million customers worldwide, with a team across 20 countries and a culture focused on growth and innovation.

Brazil

  • Design, develop, and optimize user experiences across consumer applications and internal healthcare platforms using Next.js, React, and TypeScript.
  • Build AI-powered user experiences including conversational interfaces and streaming AI responses, leveraging tools like Cursor, GitHub Copilot, and Claude.
  • Collaborate with cross-functional teams, contribute to shared component libraries, and ensure performance, accessibility, and security standards.

They build modern digital healthcare experiences using cutting-edge frontend technologies and AI-powered development workflows. They are a remote-first organization focused on ownership and autonomy, with a collaborative team of experienced professionals.

LATAM

  • Build responsive applications using Next.js, React, and TypeScript, translating Figma designs into pixel-accurate components.
  • Use AI tools like Cursor and GitHub Copilot to accelerate development and improve code quality.
  • Create fast, secure interfaces optimized for Core Web Vitals and HIPAA compliance.

LumiMeds is a fast-growing U.S.-based telehealth startup focused on weight management and long-term metabolic health. They are a remote-first, globally distributed team that values clarity, accountability, and initiative.

Global

  • Build and ship full-stack, AI-native products, internal platforms, prototypes, and production applications.
  • Design and implement agentic AI applications, LLM workflows, RAG systems, document-processing pipelines, and other applied AI solutions.
  • Translate ambiguous business, product, or client needs into scalable technical systems.

Infinity Constellation is a holding company building full-stack AI businesses, ranging from rapidly prototyping new products to embedding with companies to solve real-world problems. We are a focused network of builders who move quickly and create leverage across companies with AI at their core.

Latin America

  • Design and develop scalable web applications and backend services using Ruby on Rails and microservices.
  • Collaborate with cross-functional teams to translate product requirements into clean, maintainable code.
  • Mentor and support team members while leading engineering efforts and staying on the cutting edge.

Nortal is a digital transformation company delivering complex solutions for global enterprises and public sector organizations, now leading an AI-driven transformation era. They value autonomy, open communication, and diversity, with a close-knit remote team across LATAM.

$142,723–$172,723/yr
US

  • Architect and build full-stack features optimized for scalability and performance across Go, React, TypeScript, PostgreSQL, and Redis.
  • Leverage AI coding agents such as Claude Code and Cursor as a core part of your daily workflow while retaining full accountability for correctness, security, and design decisions.
  • Own testing strategy across frontend and backend code you ship, including internal tooling and agentic workflows.

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure, trusted by the U.S. Department of War and Fortune 500s. The company is remote-first, open-source, and has a globally distributed team built for autonomy and ownership.

Europe

  • Design, develop, test, and deploy scalable full-stack applications using Python, React, and TypeScript.
  • Leverage AI-assisted coding tools to improve productivity and maintain code quality.
  • Collaborate with cross-functional teams in an Agile remote environment to deliver reliable digital solutions.

The company builds modern software solutions while leveraging AI-assisted development tools to accelerate engineering workflows. They offer a remote-first, flexible working environment with a focus on innovation and continuous learning.

Global

  • Own the web client for a global learning platform serving learners, teachers, staff, and enterprise reps.
  • Build with React and TypeScript, co-design API contracts, and own the release pipeline end-to-end.
  • Work 100% remotely with European time zone preference, using AI tools like Claude Code daily.

Berlitz is a global language education company with nearly 150 years of expertise, building a new online learning platform for languages and skills. They foster an inclusive culture and offer a remote, autonomous work environment with high impact across the organization.

$145,000–$175,000/yr
US

  • Work closely with product owners to design, implement, and deploy systems that scale our e-commerce, content, and fulfillment operations.
  • Deliver elegant, effective software quickly, using AI to accelerate without sacrificing quality or ownership.
  • Provide thought leadership on process, tooling, systems, and software architecture — including how we adopt and get leverage from AI.

B-Stock is the world's largest B2B re-commerce platform, connecting sellers and buyers of returned, trade-in, and overstock inventory. The company is backed by top investors including Spectrum Equity and True Ventures, and fosters a culture of trust, data-driven decisions, and a circular economy.

North America

  • Build and ship customer-facing products across web, desktop, and mobile.
  • Design, develop, and maintain backend services, APIs, and cloud infrastructure.
  • Take ownership of high-leverage problems and collaborate across a small engineering team.

This company operates an ambitious AI research and product environment spanning web, desktop, mobile, backend, and AI systems. It is a small, collaborative engineering team that values autonomy, technical excellence, and low-ego collaboration.

Mexico

  • Design and improve features for Yelp Host to help businesses connect with customers via voice AI at scale.
  • Work on projects like call intelligence using LLMs to analyze phone calls and deliver insights.
  • Write clean, maintainable code in Python, JavaScript, and React, leveraging AI coding tools.

Yelp builds innovative tools that connect people with great local businesses, including voice AI agents for restaurants. The company values cooperative teamwork, authenticity, and creative solutions, employing a global distributed team.

US

  • Build and mature the Stratusphere platform using agent-first development practices, including web interfaces, backend services, and agent tooling.
  • Scrutinize AI-generated plans and code to ensure scalability, maintainability, and rigorous testing standards.
  • Collaborate cross-functionally with engineering, product, and customer teams to design and evolve autonomous systems for cloud optimization.

StratusGrid builds Stratusphere, a multi-agent platform that turns cloud complexity into measurable outcomes by coordinating specialized infrastructure agents. We are a team of builders and operators focused on trustworthy automation and real business impact, working at the intersection of cloud engineering, product, and customer outcomes.

Europe South America

  • Lead a high-velocity engineering team developing advanced AI tools and data platforms.
  • Set goals, facilitate technical discussions, and ensure high code quality through frequent reviews.
  • Mentor team members, conduct performance reviews, and drive personal and career growth.

Toptal is a global network of top talent in business, design, and technology that enables companies to scale their teams on-demand. With over $200 million in annual revenue and a fully remote workforce, Toptal fosters innovation and social interaction across borders.

India

  • Own work end to end from discovery to production deployment.
  • Design and build data foundations and full-stack applications on top of them.
  • Use AI coding agents as a primary build accelerator to ship production-grade AI systems.

We help companies design, build, and deploy AI agents that automate complex workflows, delivering reliability and efficiency gains. We are a small, fast-moving, ownership-driven team that thrives on building quickly and seeing results in days, not months.

$60,000–$70,000/yr
Latin America Unlimited PTO

  • Own the codebase end to end as the primary engineer: ship features, fix issues, and keep production healthy.
  • Get the stack quiet by automating the manual processes that still eat time today.
  • Root-cause and resolve production incidents in live systems with paying customers.

They are an established, profitable US-based B2B SaaS company behind a decade-old sales-engagement platform for cold email and outreach automation. The team is small and lean, and this is the most important engineering hire on the product.

UK

  • Design and implement full-stack product features across backend services and frontend interfaces, ensuring strong performance, reliability, security, and maintainability.
  • Take ownership of features from requirements through deployment and production support, using AI coding assistants to accelerate development.
  • Collaborate closely with product managers and engineers in an agile, feedback-driven environment focused on continuous improvement.

The company builds a modern data intelligence platform that enables organizations to discover, govern, and trust their data. They are a remote-first team with an agile, collaborative culture focused on continuous improvement and innovation.