Source Job

• Design, build, and maintain scalable full stack applications.
• Develop AI/LLM-powered features that enhance productivity and personalization.
• Collaborate with product stakeholders to define and execute technical vision and strategy.

Katapult Labs brings together exceptional LATAM talent and leading-edge technology to help scale U.S. startups. With an AI-first approach, they create world-class solutions in product, engineering, and business growth, partnering with top founders from networks like 8VC and Action Capitals.

• Architect a New Suite: You will be pivotal in building a brand-new product suite that spans multiple internal products and companies, tackling challenges in scalability, reusability (Monorepo), and multi-tenancy.
• Own the Full Vertical: You won’t just hand off APIs. You’ll design resilient backend services (Node.js/Kotlin) and consume them in rich, AI-native UIs (Next.js/React).
• Build AI-Native Experiences: From backend agents using LangChain to streaming generative UIs with the Vercel AI SDK, you will bring AI into the core of the user experience.

They are on a mission to make hotel operations effortless. Their cloud-native platform already powers thousands of properties worldwide, and they're doubling down on AI-driven automation to remove the busy-work from hospitality.

• Own and evolve Insights surfaces: Shaping APIs, data models, and UX of entity Insights, records browser, labeling/graph/profile, and audio/chat/file insights.
• Integrate ML the right way: Define typed, versioned contracts and rollout gates between TypeScript (Next.js/Node) and Python model services; use feature flags, canaries, and safe rollbacks.
• Raise search & indexing quality: Manage OpenSearch schemas and analyzers, design reindex/backfill strategies, and run relevance experiments/A‑B tests.

Orcrist is building a next generation data intelligence platform using cutting-edge technologies. Their product (OIP) is a Kubernetes‑based platform delivered as B2B SaaS or as a self‑hosted/on‑prem solution, including air‑gapped deployments.

• Ship user-facing features across the stack (backend, frontend, UI/UX) that are reliable, scalable, and delightful.
• Drive down recurring bugs and increase unit, integration, and e2e test coverage.
• Contribute to architecture decisions and patterns that scale across Core and Ecosystem teams.

N8n is the open workflow orchestration platform built for the new era of AI. They provide technical teams the freedom of code with the speed of no-code, so they can automate faster, smarter, and without limits. They have grown into a diverse team of over 220+ employees.

• Dive deep into our existing codebase to build a thorough understanding of our architecture.
• Write clean, well-documented TypeScript and Node.js code across backend services, APIs, and frontend features.
• Manage your work through Jira; picking up tickets, contributing to sprint planning, and keeping tasks and statuses accurate.

Culmen International enhances international safety and security, strengthens homeland defense, advances humanitarian missions, and optimizes government operations. With experience in over 150 countries, they support their clients to accomplish critical missions in challenging environments.

• Design, build, and maintain scalable distributed applications using modern full-stack frameworks.
• Take end-to-end ownership of features across frontend and backend systems.
• Develop high-quality frontend experiences using TypeScript and Next.js.

Smart Working connects experienced professionals with long-term, full-time remote roles where engineering excellence truly matters. They aim to remove geographic barriers and match top talent with global teams building high-impact, mission-critical products, partnering with companies that value precision, ownership, and long-term growth.

• Lead architecture and design for features that integrate with large language models, diffusion models etc.
• Hold a high bar for technical quality of AI features at Webflow while taking a pragmatic approach to delivering value to users incrementally.
• Stay up-to-date on AI/ML advancements to assess their relevance for the organization's strategy.

Webflow is building the world’s leading AI-native Digital Experience Platform as a remote-first company. They empower teams to design, launch, and optimize for the web without barriers, with a creative culture of trust and transparency.

• Design, develop, and maintain scalable full-stack applications.
• Create AI/LLM-powered features that enhance productivity and personalization.
• Integrate the platform with third-party services to enable efficient data exchange.

Katapult Labs unites LATAM talent with technology to scale U.S. startups. They leverage AI to create solutions in product, engineering, and business growth, partnering with founders from networks like 8VC and Action Capitals.

• Write well-designed, testable, efficient code by using best software development practices.
• Work closely, collaboratively, and creatively with product owners to build a user experience to support the business users' needs.
• Work well in a team environment of 4 - 5 developers, but taking individual ownership of deliverables and ensuring quality through comprehensive unit tests.

Provectus specializes in AI and ML technologies, cloud services, and data engineering. They pride themselves on their ability to innovate and push the boundaries of what's possible.

• Implement and maintain open source AI integrations, frameworks and example applications.
• Build and maintain public sample applications, SDK extensions, notebooks, and reference implementations demonstrating AI and cloud storage best practices.
• Contribute to open source projects through code contributions, issue triage, reviews, and ongoing maintenance.

Backblaze is the object storage leader in the open cloud movement, fueling customer success with cloud storage built purposefully to unlock budgets and unleash innovators. Founded in 2007, they scaled the business with less than $3 million in outside funding until 2021 and is now a public company with over $136M ARR while managing over three billion gigabytes of data storage for 500K+ customers in 175+ countries.

• Build and ship full stack features integrating frontend (Angular, Typescript) and backend (Node/Python).
• Design and implement agentic workflows including tool-calling and multi-step reasoning pipelines.
• Integrate and maintain connections to external services, data sources, and APIs for agent execution.

LMI accelerates government impact with innovation and speed, bringing commercial-grade platforms and mission-ready AI to federal agencies. They focus on agility and collaboration, serving the defense, space, healthcare, and energy sectors.

• Work closely with the founding team to design and build the world’s best management training solution, powered by state-of-the-art AI models.
• Produce high-quality software with minimal bugs, clean code, and lasting architecture.
• Serve as a role model as we build the best culture in the industry: a place where excellence and honesty can coexist with kindness, playfulness, and supportiveness.

Tenor is on a mission to transform leadership development by making every manager more effective through the power of AI. The company's platform lets managers practice hard conversations with realistic voice AI characters and gives them instant feedback to help them improve.

• Architect and implement AI-assisted workflow building capabilities.
• Design systems that provide LLMs with the right context: workflow state, user intent, constraints, and history.
• Build tool-driven agent behaviour: calling internal tools, validating outputs, correcting mistakes, and recovering gracefully

n8n is the open workflow orchestration platform built for the new era of AI. They give technical teams the freedom of code with the speed of no-code, so they can automate faster, smarter, and without limits. Since their founding in 2019, they’ve grown into a diverse team of over 220 working across Europe and the US, connected by a shared builder spirit and with their centre of gravity in Berlin.

• Drive the development of robust, scalable applications using a serverless-first mindset on AWS.
• Design, build, and integrate solutions that utilize agentic AI, applying modern AI design patterns to automate and enhance complex workflows.
• Champion modern, AI-assisted software engineering processes, leveraging tools like Claude Code to multiply team’s effectiveness.

Trajector specializes in medical evidence services, guiding clients through disability benefits. As part of a global team of over 1,800, they streamline the path to benefits, driven by urgency and data to improve lives.

• You improve the product, faster, and easier to sell, working directly with the CTO.
• You review pull requests thoroughly, you pair-program when it helps, and you keep the ticket system clean.
• You care about the product because you want to understand what customers actually need.

Elara builds software for maintenance teams. They offer a cloud-based, mobile-first solution built for people who spend their days looking after equipment, machines, and buildings and have been working with Excel, paper, or WhatsApp. The company started in 2020 and became part of the BEUMER Group in 2025.

• Contributing to the development of large-scale GenAI solution in Kibana.
• Act as an important and communicative part of an engaged and spirited team, working with data scientists and product teams to integrate AI-driven solutions.
• Produce frontend user interfaces that look amazing and produce the best customer experience.

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter.

• Architect and implement AI-powered capabilities: code generation, intelligent node creation, and workflow optimization
• Integrate LLM APIs and embedding models for text-to-workflow and natural language code suggestions
• Design and iterate on prompts to improve model output and user experience

N8n is an open workflow orchestration platform built for the new era of AI. They give technical teams the freedom of code with the speed of no-code, so they can automate faster, smarter, and without limits. The company has a diverse team of over 220 working across Europe and the US.

• Build the Developer Platform: Design/implement internal tools, workflows, and infrastructure. Your work will shape how engineers build, test, deploy, and operate software.
• Own the DevEx Ecosystem: Improve monorepo tooling, CI/CD pipelines, build systems, and documentation. Help engineers navigate and extend the codebase effectively.
• Design for Humans and AI: Help evolve our development environment for AI-assisted coding and agentic workflows. This includes structuring documentation and code patterns so both humans and LLMs can work effectively within the repository.

Smarter Technologies is the automation and insight platform for healthcare efficiency. As a leading AI-powered revenue cycle management (RCM) platform, they combine proprietary agentic agents, human-in-the-loop AI agents, clinical ontology, and global financial and administrative services.

• Lead the architectural design and implementation of EASE features including developing APIs, UX, and automated tests
• Gathering stakeholder feedback and defining features to meet customer needs
• Writing proposals, carrying out code experiments, and building prototypes

H2 Analytics is redefining how professionals train for high-stakes environments through advanced simulation and data-driven tools. They build EASE (Exercise Architect Suite), a tool used by military, intelligence, law enforcement, and emergency response organizations to develop mission-critical training exercises.

• Use requirements from product manager to develop features that clients will love
• Use best practices to create great code
• Connect with your remote team daily to coordinate activities

Founders Workshop creates web and mobile apps for non tech founders of tech startups. They partner with their clients to provide exactly what they need to get their first version software into the market on time and on budget.