Source Job

  • Further develop and refine our AI candidate screening platform.
  • Contribute to new features such as AI-assisted interview prep, candidate outreach CRM, and new hire onboarding tools.
  • Help define Ref's technical vision, tech stack, and roadmap.

Python AWS FastAPI Docker Kubernetes

20 jobs similar to Founding Engineer

Jobs ranked by similarity.

$40–$50/hr
US

  • Assist in prompting, evaluating, fine-tuning, and maintaining large language models (LLMs) for AI features
  • Support the creation, monitoring, and troubleshooting of backend API services that interact with ML models
  • Collaborate with cross-functional teams to integrate AI into existing and new Rocket Lawyer products

Rocket Lawyer is the largest and most widely used online legal service platform in the world. They have helped over 30 million people create over 50 million legal documents and get their legal questions answered. They have offices in North America, South America, and Europe and we are told they value a collaborative and supportive work environment, where they celebrate learning and growth.

Global

  • Build and manage AI-assisted sourcing pipelines across UX/UI, web design, technical, and operational roles
  • Identify and engage candidates with strong experience in web and customer-facing digital experiences
  • Partner with hiring managers to translate experience design, business needs, and growth system requirements into clear talent profiles

WON.AI is building the next generation of growth systems for modern brands. They combine behavioral intelligence, AI, and experience architecture to uncover what truly drives profit—then translate those insights into scalable customer experiences and systems that compound performance over time.

Europe

  • Build AI-powered features and agentic workflows
  • Integrate AI into real products and business processes
  • Contribute to AI-Driven Development practices across projects

They are looking for an AI Developer who doesn’t enjoy doing the same work twice, building AI-powered features and agentic workflows integrating AI into real products and business processes. The company values flexibility and adaptability.

US

  • Conduct code reviews across the platform codebase.
  • Build and maintain integrations with enterprise systems including SharePoint (via Microsoft Graph API), GitLab, EPDM, and internal Hub services.
  • Develop and maintain LLM API integrations across multiple providers.

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, they partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas.

EMEA Unlimited PTO

  • Identify friction in business processes using empathy and judgement.
  • Build, code, and deploy automations end-to-end using modern AI tooling.
  • Turn slow, manual processes into seamless, AI-driven workflows.

DoiT is a global technology company that works with cloud-driven organizations to leverage the cloud to drive business growth and innovation. They combine data, technology, and human expertise to ensure their customers operate in a well-architected and scalable state.

Europe

  • Architect, develop, and maintain scalable backend services for AI applications.
  • Integrate 3rd party APIs such as Twilio, WhatsApp, and OpenAI.
  • Design and improve multi-agent orchestration frameworks for AI conversations.

Tuotempo transforms healthcare experiences through intelligent digital solutions, offering a patient engagement platform. They empower medical professionals by streamlining operations and enhancing patient experiences with their cloud-based CRM system, boasting a remote-first culture with hubs in Bologna and Barcelona.

US Unlimited PTO

  • Identifying inefficiencies across Sales, Marketing, and RevOps and proactively fixing them
  • Building and shipping AI-powered workflows, tools, and MVPs (internal-first, occasionally customer-facing)
  • Automating repetitive GTM processes (lead enrichment, outbound personalization, CRM workflows, routing, etc.)

Tiger Data empowers developers and businesses with the fastest PostgreSQL platform designed for transactional, analytical, and agentic workloads. As a globally distributed, remote-first team, they are committed to direct communication, accountability, and collaborative excellence, shaping the future of data infrastructure.

Canada Ireland Netherlands UK Unlimited PTO

  • Shape and scale the core infrastructure behind GitLab CI, integrating AI into CI/CD workflows.
  • Design, build, and iterate on AI-assisted and agentic CI experiences, defining patterns for measuring success and instrumenting behavior in production.
  • Harden the CI pipeline execution infrastructure, addressing database access patterns, background processing, and job orchestration for enterprise-scale AI-driven automation.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. With over 50 million registered users, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange, empowering team members to reach their full potential while collaborating with industry leaders to solve complex problems.

EMEA

  • Design and maintain FastAPI backend services powering the data collection and delivery pipeline
  • Build and iterate React interfaces for internal teams, contributors, and clients
  • Architect AI-powered pipelines for quality assurance, classification, and dataset delivery

Pragmatike is recruiting for an early-stage startup that's building a distributed AI data infrastructure platform. They provide real-world training data to AI companies through a global network of contributors and focus on building scalable, AI-native pipelines.

US

  • Partner with Sales, Customer Success, and Marketing to identify and prioritize high-leverage AI automation opportunities
  • Design, build, and deploy AI-enabled services and agent-based workflows end-to-end
  • Ensure solutions meet security, compliance, and governance standards

Quantum Workplace helps leaders build thriving teams that are aligned, empowered, and valued. They are an HR technology company with over 20 years in the space and have partnered with thousands of organizations.

North America Canada

  • Build solution-ready LLM-enabled applications that span backend logic, data orchestration, and front-end UI
  • Operate in the field, working side-by-side with customers to adapt, deploy, and iterate in live environments
  • Codify reusable assets—libraries, prompts, scaffolds—to accelerate future engagements

ServiceNow is a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500®. Their intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work.

Global

  • Design and develop an AI-powered productivity analytics platform.
  • Build scalable LLM pipelines and create a meta-workflow system.
  • Develop system-level prompt engineering and build an evaluation framework for AI output quality control.

Appflame is a Ukrainian product-driven tech company committed to building world-class products. They have 500+ team members and offices in Kyiv, London, Limassol, and a co-working hub in Warsaw; they value bold, driven people who are passionate about building real products.

$150,000–$200,000/yr
US Unlimited PTO

  • Define and own the overall technical vision, platform architecture, and engineering roadmap in alignment with product strategy and company growth.
  • Lead, recruit, and scale a world-class engineering organization, including hiring standards, team design, mentorship, and technical culture.
  • Oversee the design, development, and reliability of Neuroscale's backend systems, agents, talent matching models, orchestration layers, APIs, data workflows, and ext. integrations.

Neuroscale is transforming talent acquisition into a science by building an intelligent recruiting platform. They aim to unify sourcing, screening, outreach, and hiring with AI, focusing on specialized recruiters and modern AI tools to create a new foundation for hiring.

Europe

  • You will play a key role in enabling our organisation to scale efficiently.
  • Roughly ⅔ of your time will be hands-on technical work: designing solutions, steering and reviewing AI-generated code, developing new ideas, and reviewing others' contributions.
  • Guide and support engineers by setting a strong example.

OLX is building marketplace sustainable ecosystems that millions of people depend on every month to buy and sell cars, find homes, land jobs, and trade secondhand goods. They have 50+ nationalities and 7 markets.

$111,100–$185,100/yr
US

  • Design architecture for AI-enabled applications and services
  • Build reusable AI services and APIs
  • Implement LLM integrations, RAG pipelines, and agent-based systems

Crum & Forster (C&F) provides specialty and standard commercial lines insurance products through admitted and surplus lines insurance companies. They have over 2500 employees and are known for their employee-first focus and commitment to diversity, equity, and inclusion.

Latin America

  • Design, build, and deploy AI-powered features and applications rapidly.
  • Integrate LLMs and AI models into existing products, handling the full stack.
  • Build robust APIs and backend services to power AI features.

Clara is the fastest-growing company in Latin America, providing solutions for businesses to manage payments. They have over 20,000 customers and are backed by top investors, fostering a fast-paced, supportive environment across the Americas.

$160,000–$200,000/yr
US

  • Serve as a principal software engineer for AdSmart products.
  • Architect and develop mission‑critical backend services using microservices.
  • Drive integration of LLMs, AI agents, vector search, and ML‑based personalization.

NBCUniversal is a leading media and entertainment company, creating world-class content across film, television, and streaming. They own brands like NBC, Telemundo, and Peacock, and operate industry-leading theme parks and experiences.

Global

  • Proactively building our pipeline of exceptional talent.
  • Connecting with outstanding professionals.
  • Keeping your information on file and reaching out when a position becomes available.

GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Their mission is to enable everyone to contribute to and co-create the software that powers our world.

$125,000–$140,000/yr
US Unlimited PTO

  • Collaborate with product managers and designers to build business-critical features.
  • Ship production-ready code across the stack: Typescript, React, GraphQL, Node.js, PostgreSQL, AWS.
  • Proactively fix production and development issues to accelerate your growth as an engineer.

Transcend is the compliance layer for customer data, enabling enterprises to activate AI responsibly and at scale. They are growing quickly and backed by top-tier investors, driven by the belief that building robust infrastructure for responsible AI and data rights is impactful.