Senior AI Engineer
The Staff ML Engineer will architect and build Spara’s core AI engine responsible for intelligent interactions across chat, email, and voice channels. Key responsibilities include defining success criteria, running evaluations to ensure best-in-class performance, and crafting user experiences via prompt engineering and foundation model orchestration. The role requires a high degree of autonomy and collaboration with leadership to shape the product roadmap and technical vision.
Staff/senior Backend Engineer (Node.js)
The Staff/Senior Backend Engineer will be responsible for enhancing and scaling the backend systems powering the Mimica platform, primarily using the MERN stack. Key responsibilities include designing scalable architecture, developing high-performance backend services and APIs, and ensuring performance and reliability of existing components. This role offers the opportunity to shape the technical direction, processes, and culture as a member of the early engineering team.
Senior Full-Stack Developer
The role seeks a Senior Fullstack Developer with over 5 years of experience to build scalable web applications using Node.js, TypeScript, React, and Next.js. Key responsibilities include designing and maintaining end-to-end applications, building APIs, managing AWS deployments (S3, EKS, RDS), and optimizing system performance. The ideal candidate must have hands-on experience with various databases and cloud services.
Frontend Developer
The role involves building modern, responsive, and scalable web applications for SaaS platforms using React.js and Next.js, working closely with engineering and product teams. Key responsibilities include developing reusable UI components, integrating with backend APIs, and ensuring optimal application performance. Candidates should leverage strong proficiency in core frontend technologies and adhere to GitOps-driven CI/CD workflows.
Senior Backend Engineer
Squads is seeking a Senior Backend Engineer to develop high-performance services in Rust for Altitude, a self-custodial business account platform. Key responsibilities include owning the architecture and production of services powering Altitude, such as real-time settlement engines and bulk payment APIs. Candidates must have 5+ years of backend experience shipping production services and strong skills in languages like Rust/Go/C++, along with expertise in PostgreSQL, Redis, and AWS.
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Senior Backend Developer - Neuro Squad
The Senior Backend Developer will join the Neuro team to design and build robust backend systems powering the company's AI/ML infrastructure, focusing on the Roam and Spark engines. Key responsibilities include owning backend and API development for ML-based services, creating LLM client layers, and ensuring scalable, reliable inference services. The role requires strong proficiency in Python/FastAPI and experience deploying services on cloud platforms like GCP.
Senior Software Engineer
Shakepay is seeking a Senior Software Engineer to help reimagine how Canadians build wealth using Bitcoin products. Responsibilities include participating in building future financial products, writing high-quality, well-tested production code, collaborating on technical vision, and participating in on-call rotations.
Software Engineer
Stepful is seeking a Software Engineer with 3+ years of experience to develop and iterate on their Learning Management System and innovative career services, including leveraging generative AI. Responsibilities span across developing world-class learning experiences, empowering the internal workforce, managing content at scale, and ensuring data reliability. The role requires deep expertise in parts of their stack (React, Typescript, Ruby on Rails, PostgreSQL) and a strong drive to make an impact in people's lives.
Mission Operations - Full-Stack Developer, CI/CD & Test Environments (rust)
This role seeks a Full-Stack Developer passionate about CI/CD and test automation to join the Mission Operations Ground DevOps team. Key responsibilities include developing and maintaining mission-critical ground software for satellite command and control, establishing robust CI/CD pipelines, and building representative test environments. The developer will ensure seamless integration, testing, and deployment of software components across the full development lifecycle.
Senior Full-Stack Engineer, Backend Oriented (avalor)
Zscaler's Avalor team is seeking a Senior Fullstack Engineer to develop and maintain high-quality, scalable backend services within a microservices architecture using Java/Spring Boot. The role involves providing architecture leadership, mentoring team members, and delivering high-quality features for a high-scale web environment.
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Senior Infrastructure Engineer
The Senior Backend Infrastructure Engineer will design and implement distributed systems, infrastructure, and APIs powering Macroscope's core product. Key responsibilities include leading projects on backend scalability, reliability, and performance, and partnering with engineering to establish best practices in cloud infrastructure and monitoring. This role involves close collaboration with founders to define the product and company trajectory.
Mobile Developer - React Native
The role involves developing and maintaining offline-first mobile applications using React Native/React, with mandatory native Kotlin experience for custom Android modules. Key responsibilities include end-to-end ownership, implementing offline-first architecture with local databases like SQLite, and optimizing live video streaming over harsh networks. Engineers will build two main apps: one for controlling a SmartMast unit using WebSockets and ROS 2, and another for securely reporting illegal activity at sea, featuring geolocation and secure uploading capabilities.
Senior Software Engineer I
The Senior Software Engineer I will play a key role in building horizontal GenAI solutions within the Tempus One Platform engineering team, connecting real-world evidence to deliver actionable insights in precision medicine. Responsibilities include owning and delivering projects aligned with quarterly goals, collaborating on goal setting, and writing flexible, reusable, and efficient code. The role involves technical leadership, evaluating tradeoffs, mentoring junior staff, and utilizing GenAI tools daily.
AI Engineer
The AI Product Engineer will join an engineering-driven company focused on reshaping business immigration using AI, automation, and intelligent interfaces. Key responsibilities include shipping AI-native product experiences, building LLM-powered agents for complex workflows, and contributing to the core AI product stack (orchestration, context engineering, retrieval systems). This is a highly cross-functional role requiring demonstrated experience shipping AI features into production and fluency with modern LLM tooling.
Fractional Senior Backend Software Engineer
This is a remote, fractional Senior Backend Software Engineer role contributing to Everywai's AI software company, focusing on architecting and scaling the backend for the Velora app. Key responsibilities include developing and optimizing mission-critical components like the Relay Engine (real-time sermon analysis) and Sync Engine using TypeScript, GraphQL, and AWS infrastructure. The role requires driving system performance, security, and upholding high code quality standards.
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Backend Engineer (multiple Positons)
The role seeks an experienced Backend Engineer to architect and scale an AI-native platform that autonomously finds and fixes software vulnerabilities. Key responsibilities include designing scalable infrastructure, solving complex challenges in code execution and agent orchestration, and leading backend engineering best practices. This is a crucial role in building a product designed to redefine enterprise security for thousands of users.
Senior Software Engineer
The role seeks a Senior Software Engineer to join the Fintech team focused on building collaborative money management platforms for small businesses. Key responsibilities include end-to-end feature ownership, system/infrastructure management for scale, and cross-functional partnership. Candidates must have 3+ years of experience, demonstrate the ability to ship high-quality code, and be proactive in driving technical improvements.
Software Engineer, Detection
Doppel is hiring Software Engineers across all levels to build an AI-native social engineering defense platform. The role involves designing scalable systems to monitor digital assets and leverage AI agents to identify and neutralize threats like scams and deepfakes. Candidates should be fast-moving engineers looking to have an outsized impact on a high-performing, lean team using technologies like Python/React.
Software Engineer
Relay is seeking a curious, impact-driven Software Engineer with 2+ years of experience to join their team building collaborative money management platform products for small businesses. Key responsibilities include owning end-to-end feature development, managing production systems for reliability and scale, and collaborating cross-functionally. The role requires taking smart risks, shipping high-quality code, and influencing technical direction in a fast-growing fintech environment.
Software Engineer, Product
Doppel is seeking fast-moving, customer-obsessed engineers to join their lean, high-performing team to build an AI-native social engineering defense platform. The role involves designing scalable systems to monitor digital assets and leverage AI agents to identify and neutralize threats across various channels. The work requires expertise in both backend technologies like Python and Google Cloud, and frontend technologies like ReactJS and Typescript, with an in-person presence required 3 days a week in NYC.