Source Job

Global Unlimited PTO

  • Own the voice channel end to end, including telephony and CPaaS integrations, streaming speech-to-text and text-to-speech pipelines, and realtime model orchestration.
  • Build product features across the stack, including web chat front ends in React/TypeScript, backend services in Scala and Python, and infrastructure on GCP.
  • Design for multi-tenant scale, with one codebase serving many partners through configuration rather than forks.

React TypeScript Scala Python GCP

16 jobs similar to Senior Full Stack Engineer (Realtime & Voice) Customer Experience Platform

Jobs ranked by similarity.

Canada Unlimited PTO

  • Own the voice channel end-to-end, including telephony, streaming pipelines, and realtime model orchestration.
  • Build product features across React/TypeScript front ends, Scala/Python services, and GCP infrastructure.
  • Design for multi-tenant scale, maintain revenue-critical deployments, and raise the engineering bar through code review and mentoring.

Hopper is a travel platform that uses AI and fintech to provide transparency, flexibility, and savings to travelers globally. The company has been downloaded over 120 million times, is backed by over $750 million USD in private capital, and is the #3 largest online travel agency in North America, with a culture of entrepreneurialism and dynamic teams.

Global Unlimited PTO

  • Own the voice channel end to end, including telephony, speech pipelines, and latency budgets.
  • Build product features across the full stack using React/TypeScript, Scala/Python, and GCP.
  • Design for multi-tenant scale and implement safety, compliance, and observability systems.

Hopper uses data and machine learning to offer fintech products and travel services, aiming to become the leading travel platform globally. The company's app has been downloaded over 120 million times, it is the #3 online travel agency in North America, and has raised over $750 million in private capital.

US

  • Own the realtime voice stack and call-data platform end to end, including voice agents, streaming, and analytics.
  • Write clean scalable code, oversee voice pipeline reliability, and optimize latency and cost.
  • Mentor team members, collaborate across disciplines, and manage infrastructure as code.

WorkHero builds an AI-powered back office for skilled trades, starting with the HVAC industry. It combines expert office managers with automation and AI tooling to help small teams handle invoicing, permits, scheduling, and paperwork.

$150,000–$180,000/yr
Canada 4w PTO

  • Build across the product stack from Rails APIs to React/TypeScript frontends, owning problems end-to-end from customer conversation to production.
  • Work directly with founders, designers, and engineering in a high-trust, autonomous environment where AI is embedded across your workflow.
  • Ship features live, validate with data, and maintain long-term ownership of what you build, with light ceremony and high accountability.

Great Question is an all-in-one AI customer research platform that helps teams recruit participants, run research, and share insights. Backed by world-class investors, the company has a small team culture built on high trust, high agency, and high emotional intelligence.

$101,600–$114,300/yr
UK 6w PTO

  • Write clean, maintainable, and efficient full-stack code in C# or TypeScript.
  • Collaborate with cross-functional teams to translate product requirements into technical solutions.
  • Participate in code reviews and contribute to improving software development processes and culture.

Paloma is a healthcare technology company focused on making children's autism and ADHD assessments available on the NHS within 4 weeks of GP referral. They have a team of 120 people, over 80 of whom are clinicians, and a culture centered on transparency, community, and staff development.

$88,000–$132,000/yr
Europe

  • Own features across the full stack from discovery to release.
  • Engage directly with customers to surface real pain points.
  • Build pragmatic software balancing customer value and maintainability.

They are building an AI-powered phone assistant for small and medium-sized businesses. They are a remote-first team in a high-growth startup environment.

Europe Unlimited PTO

  • Lead and build features end-to-end for WeTravel's Team Supply, turning the product into a network.
  • Work across TypeScript/React frontend and Ruby on Rails backend, taking ownership from conception to production.
  • Collaborate with product and mentor engineers to shape the operating system for the multi-day group travel industry.

WeTravel builds tools for travel businesses, enabling organizers to create trip proposals, process payments, and manage customers. With 8,000 organizers and over a million travelers served, the company is a category leader growing its platform from $1B to $10B in travel experiences.

Unlimited PTO

  • Partner with cross-functional teams to define and validate new features end-to-end.
  • Build user-facing experiences in JavaScript/TypeScript and React that delight customers.
  • Design and implement REST API endpoints and microservices using Python or Java, backed by PostgreSQL.

Canopy is a fast-growing SaaS company building simple, powerful software for accounting firms. We place a strong emphasis on delighting our customers, spotting and solving problems, and being good people along the way.

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.

CoderPad builds the future of technical interviewing and assessment with a remote-first culture across Latin America. The company emphasizes AI-assisted development and small, reviewable changes with high-quality code review.

US

  • Design and build user-facing systems and integrations for secure, next-gen interfaces.
  • Own the frontend experience layer, converting complex operator requirements into reliable UIs.
  • Work hands-on building and operating systems in partnership with product designer and engineering teams.

Ruya AI is a venture-backed defense-tech company building AI-native intelligent software for sovereign institutions. They are headquartered in Massachusetts with offices across the US, Europe, and the Middle East, and are expanding their engineering team with people who demonstrate strong ownership and judgment.

Philippines

  • Develop multi-agent architectures using CX Agent Studio and programmatic Code Agents with Python/TypeScript.
  • Write custom code tools, tool callbacks, and leverage GECX engineering CLI for automated workflows.
  • Program enterprise integrations and automate quality evaluation via CI/CD pipelines.

TTEC Digital pioneers engagement and growth solutions that fuel exceptional customer experience. They have 1,800+ employees and are part of TTEC Holdings, with a culture focused on employee experience and diversity.

Europe 4w PTO

  • Build and ship frontend + backend features end-to-end.
  • Develop modern React applications and Python/FastAPI services.
  • Own tickets from implementation through self-QA, proactively thinking through edge cases.

Altamira is a software development outsourcing company focused on EdTech, Fintech, eCommerce, and Pharma. With teams in Slovakia, Ukraine, and the Middle East, we foster a culture of trust and ownership, with ambitions to grow across Europe and the US.

Colombia

  • Co-lead design and development of software infrastructure for scalable, reliable, and performant systems.
  • Drive development of sophisticated stateful web applications with React and backend services.
  • Mentor engineers and foster a culture of technical excellence through code reviews and workshops.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. They are a remote-first company with a strong culture of connection and global inclusion.

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.

$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.

US Unlimited PTO

  • Own features from design handoff through production, collaborating with Product, Design, and customers.
  • Build and maintain React frontends with complex data visualization and real-time updates.
  • Work across the stack including Python backend services, PostgreSQL, Redis, and async task queues.

Virtualitics is an AI-native readiness applications company for defense, government, and critical infrastructure. They are a small, fast-moving team of scientists, strategists, and servicemembers with a culture focused on results, transparency, and compassion.