Senior Full-Stack Software Engineer (On-site)

Compensation: $150K - $200K

We are hiring a Senior Full-Stack Software Engineer to join a fast-paced, high-growth AI company dedicated to building the next generation of autonomous digital workers. This is an on-site, full-time position in San Francisco, CA.

As a Senior Full-Stack Software Engineer, you will play a crucial role in shaping the future of AI and digital workers. Your primary focus will be on driving velocity and end-to-end ownership of products and problems within the engineering team.

Key Responsibilities:

• Architect and build new, complex workflows within our core products.
• Maintain and optimize existing feature-rich workflows to ensure high performance and reliability.
• Act as a critical bridge between Applied Research, Go-To-Market (GTM), Product, and Engineering teams.
• Identify, propose, and implement significant architectural improvements and scalability solutions.
• Drive and enforce technical decisions and best practices across the engineering team.
• Actively contribute to product engineering across the full stack.

Requirements

Senior Member of Technical Staff - Founding Team

Location: San Francisco (On-site)

Employment Type: Full-time

Compensation: $140K - $280K

We are seeking a Senior Member of Technical Staff to join our founding engineering team. As a full-stack generalist, you will play a critical role in developing the "last mile" delivery infrastructure for cutting-edge drugs like cell/gene therapies and biologics.

This role offers the unique opportunity to work across the entire technology stack—frontend, backend, AI infrastructure, and DevOps. Given the compound nature of our product, you will frequently collaborate on short-lived, high-impact project teams focused on specific problems.

Key Responsibilities:

• Outlining the 0-to-1 of project requirements, goals, and roadmaps based on customer needs in the healthcare space.
• Defining complex agentic architectures within a demanding, highly-regulated industry.
• Wrangling a wide variety of cutting-edge agentic AI infrastructure to accelerate drug breakthroughs.
• Leading end-to-end implementation to deliver fast, high-quality iterations to our healthcare customers.

Full Stack AI Engineer (Founding)

Location: San Francisco, CA (On-site)

Employment Type: Full-time

Compensation: $120K - $180K

We are a rapidly growing, funded startup at the intersection of Artificial Intelligence and Growth Technology, building agentic prospecting tools to help companies scale with the power of AGI.

We are seeking a Founding Full Stack AI Engineer to deliver premium-grade products to our high-growth clients. You'll be working on important, high-impact problems at the frontier of technology, where every deliverable is tied directly to a client outcome.

This role involves building advanced tools that leverage cutting-edge AI advancements, including:

• Agentic Infrastructure
• Large Language Models (LLMs) and Prompting
• Retrieval-Augmented Generation (RAG)
• Vector Databases
• Fine-tuning and Few-Shot Learning

Your primary responsibility will be to deliver premium-grade products to our clients (growth teams), enabling sales teams to operate with unprecedented precision and efficiency. If you operate best with a "Hackathon Mentality" and are driven by client-deliverables, you will thrive here.

Founding Engineer - AI Learning Platform

Location: New York City, NY (Hybrid)

Employment Type: Full-time

Compensation: $180K - $250K

We are building the future of learning for the deskless and blue-collar workforce, fundamentally reshaping a $400 billion market by leveraging AI. Our platform transforms traditional training documents into fully gamified, interactive experiences powered by AI tutors.

We are seeking a Senior Staff Engineer with an absolute ownership mentality to join us as a technical leader in our NYC office. You will work directly with founders and other senior engineers who ship at incredible velocity.

Key Responsibilities:

About Octopus by RTG

Octopus by RTG is the tech hiring and outsourcing arm of Robusta Technology Group, dedicated to connecting exceptional tech talent with top-tier organizations across the MENA, GCC, Europe, the US, and Canada. We specialize in building strong, long-term partnerships between skilled professionals and innovative companies. Our mission is to empower growth, innovation, and excellence by matching the right talent with the right opportunities.

Currently, we are hiring for one of our partners who are building a tech-enabled supply chain platform that empowers retailers and brands to launch 20–60 minute delivery services within days. The solutions include:

• ML-based SaaS: Demand forecasting, inventory placement, and white-label customer apps.
• Shared Infrastructure: Dark stores and middle-mile logistics.
• Customer Access: Last-mile delivery and marketing ambassadors.

Position Overview

We are seeking a Senior Lead Engineer to join our team. You will lead 1–2 junior full-stack engineers while remaining hands-on with development. Your role will include driving integrations, implementing and customizing systems, and co-defining technical architecture and roadmaps with the CTO. Lead and mentor junior full-stack engineers while being hands-on in development.

Senior Software Engineer (Backend, AI Infrastructure)

Location: Remote - US only

Compensation: $180K - $300K

We build mission-critical infrastructure that delivers massive amounts of public web data to the companies training the world’s most powerful AI models. Our unique architecture leverages a massive, distributed bandwidth-sharing network to operate a large-scale global crawler, granting us access to high-quality public web data at scale. On top of this, we've built complex pipelines for ingesting, segmenting, and annotating billions of files, including videos, transcripts, and audio, empowering frontier AI labs with essential datasets.

We are a lean, technical team that moves fast, prioritizing high output and low ego. We are seeking a Senior Software Engineer (Backend) with deep expertise to architect scalable solutions and drive technical excellence as we push the boundaries of open web data and AI.

You will join a small, talented team to lead the design and implementation of highly scalable backend systems. Your expertise will be crucial in ensuring the robustness and maintainability of the infrastructure that supports our massive distributed crawler and data processing pipelines. You will play a critical role in shaping the evolution of the internet's role in AI development.

What You'll Be Doing

Senior iOS Engineer (Mobile Lead, Web3 Focus)

Location: Remote - NY or CA preference - will consider US remote

Compensation: $250K - $375K

We are seeking a highly motivated and experienced Senior iOS Engineer to take the mobile lead role in shaping the user experience for an innovative, new asset layer and decentralized platform. This is a unique opportunity to drive the architecture, development, and evolution of our native iOS applications, focusing on delivering a simple, elegant, and trustworthy mobile experience for complex on-chain asset interactions.

You will act as both a hands-on technical contributor and a mentor, shaping the mobile engineering culture alongside product, design, and Web3 teams.

As the Senior iOS Engineer, you will be the mobile expert responsible for defining how users engage with our platform's next-generation asset layer. Your primary focus will be on delivering exceptional UI/UX for consumers, creators, and communities on iOS.

Backend Engineer (High-Performance Trading Infrastructure)

Location: Singapore (Hybrid)

Compensation: $80K - $140K

We are a specialized prime brokerage focused on building robust, institutional-grade infrastructure for large-scale algorithmic trading on a leading platform. We are seeking an exceptional Backend Engineer to build the core infrastructure powering our services, utilizing cutting-edge technologies to meet institutional demands for speed and reliability.

This role offers the opportunity to work on high-performance distributed systems, TEEs (Trusted Execution Environments), advanced cryptography, and next-generation smart contracts.

You will be responsible for designing, implementing, and optimizing the core backend services and blockchain components that enable institutional-grade algorithmic trading. Your work will directly contribute to building systems with the highest standards for performance, security, and low latency.

Key Responsibilities

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Back-End/API Developer.

Responsibilities:

Senior Software Engineer - Fullstack (Remote, North America)

Location: Remote (North America: US or Canada)

Salary Range: $180,000 - $210,000 USD

We are a high-growth technology company at the forefront of revolutionizing security and compliance for businesses worldwide. Our advanced platform is trusted by thousands of companies and is backed by top-tier venture capital firms. We are seeking a highly motivated and experienced Senior Software Engineer - Fullstack to join our impactful, highly collaborative team. Every member is critical in shaping our product and culture, and we offer substantial responsibilities that directly impact our continued growth. This is a fully remote position for candidates residing in the US or Canada.

What You'll Do: