Staff React Native Engineer

Location: New York City (Office)

On-site | Full-time

Compensation: Competitive

Our client is a high-performance technology development firm responsible for building and operating the foundational infrastructure behind the world’s most active digital asset launchpads. The systems managed by this organization are defined by ultra-low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount and the impact of every deployment is immediate.

The organization is seeking an expert React Native Engineer to join its mobile engineering team. This individual will play a pivotal role in building and scaling a world-class mobile application that brings the power of decentralized finance (DeFi) and SocialFi to a global user base. The role involves working across the stack to craft high-performance mobile experiences, shipping at high velocity, and iterating rapidly within a high-growth ecosystem.

Key Responsibilities

Researcher - Automated On-Chain Economic Security

Location: Remote - Preference for NYC but will accept USA + Europe remote working EST hours

Compensation: $120K - $150K

We are the first automated, on-chain economic security system, trusted by leading protocols to manage and secure billions of dollars in assets across the DeFi ecosystem. Our platform helps crypto protocols optimize risk management and capital efficiency by analyzing protocol mechanics and scenario implications using custom EVM simulations. We are seeking a proactive and results-driven Researcher to join our team, reporting directly to the Head of Economic Research & Strategy.

You will play a critical role in conducting in-depth protocol research, modeling risk parameters, and shaping strategic research initiatives across high-impact DeFi projects. This role requires a strong blend of quantitative analysis, risk modeling expertise, and clear communication to both clients and the broader community.

Responsibilities:

We are seeking a Site Technician to support operations at our Bitcoin mining facility in Oklahoma. The ideal candidate has hands-on experience maintaining Bitcoin mining hardware and site infrastructure. This role focuses on reliable day-to-day technical operations, maintenance, and performance optimization under the direction of the Site Manager and Senior Site Technician.

Responsibilities

• Perform daily inspections, maintenance, and repairs on ASIC miners (Bitmain, MicroBT, etc.).
• Monitor power distribution units (PDUs), cooling systems, and network connectivity for stable operation.
• Troubleshoot miner faults, cabling issues, and power irregularities.Assist with installation and setup of new miners and infrastructure components.
• Maintain organized records of work performed, miner status, and inventory.Support implementation of preventive maintenance and site safety programs.
• Coordinate with senior technical staff to minimize downtime and improve efficiency.
• Follow all operational and safety procedures to maintain a clean, compliant work environment.
• Contribute to continuous improvement of site processes and workflows.

Requirements

Full-Stack Engineer, AI Financial Agent

Location: Remote - NYC preference - will accept Remote USA to work EST hours - Will accept LATAM region to work EST hours and also Tel Aviv.

compensation: $160K - $200K

We are a technology company that provides the first automated, on-chain economic security system for crypto protocols, helping them optimize risk management and capital efficiency while safeguarding user funds. Our platform secures billions of dollars in assets for leading protocols by analysing protocol mechanics and scenario implications using world-class custom EVM simulations. We are seeking a proactive and results-driven Full-Stack Engineer to join our AI team and develop our cutting-edge financial AI agent.

As a Full-Stack Engineer reporting directly to the Head of Product & AI, you will play a critical role in working closely with the CEO and the AI team to design and build the full-stack systems that power our financial AI agent.

Responsibilities:

Senior Infrastructure Software Engineer

Location: Hybrid in Miami, Florida

Compensation: $200,000 - $250,000 (Base Salary) + Competitive Equity

We are the world's leading AI medical information platform, backed by top-tier investors and trusted by healthcare professionals at over 10,000 care centers worldwide. Our mission-critical platform powers medical AI used by healthcare providers globally. We are seeking a Senior Infrastructure Software Engineer to architect and scale our infrastructure ecosystem in a demanding, rapid-iteration environment.

As a key member of the Core Engineering team, you will have significant autonomy to make architectural decisions and drive initiatives across service reliability, data pipelines, and security for our large-scale medical AI platform.

Responsibilities:

Tiger Analytics is an advanced analytics consulting firm. We are the trusted analytics partner for several Fortune 1000 companies, enabling them to generate business value from data. Our consultants bring deep expertise in Data Science, Machine Learning and AI. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner.

We are looking for an experienced Business Intelligence (BI) Consultant to join our team in Beaverton, Oregon. The ideal candidate will have a strong technical background in SQL and Tableau, along with proven experience in the Retail domain. This role requires someone who can translate complex data into meaningful insights that support business growth and strategic decision-making.

Key Responsibilities

Software Engineer (Early Team Member)

Location: San Francisco, CA (On-site)

We are a rapidly growing, well-funded startup building an innovative AI-powered productivity tool for professional teams. We help users capture, organize, and utilize insights from their daily conversations, making every meeting more valuable. You'll be joining a small, high-impact team of experienced engineers as employee #5 and play a crucial role in shaping our product and technical foundation.

This is an end-to-end engineering role where you will take ownership of features from conception to deployment. We're looking for a highly motivated and quality-focused individual who takes pride in their craft.

What You'll Do:

Robusta Technology Group (RTG) is a key driver of digital transformation by providing a holistic tech ecosystem. RTG works with its local and international partners to help build digital customer experiences, establish engineering hubs and build ventures across multiple industries and domains. In this pursuit, RTG serves as a catalyst for impact and growth through events, spaces and content focused on creating impact and growth across the different interactions.

Octopus is proud to be part of the Robusta Technology Group (RTG), a leading tech consultancy group. With a decade of experience and a successful track record of delivering over 300 projects across Europe, the Middle East, and North America, RTG has established itself as a preferred employer in the Egyptian market. Octopus and Robusta are building a bridge between Europe and Africa, creating tailored hub solutions to connect companies with top talent across the globe.

Job Overview:

The Data Visualization Engineer is responsible for transforming complex datasets into clear, engaging, and actionable visual insights. This role bridges the gap between data analytics and business decision-making by developing interactive dashboards, visual reports, and storytelling solutions that help stakeholders understand data patterns and trends effectively

Responsibilities

Tiger Analytics is looking for a skilled and innovative Machine Learning Engineer with hands-on experience in Google Cloud Platform (GCP) and Vertex AI to design, build, and deploy scalable ML solutions. You will play a key role in operationalizing machine learning models and driving the end-to-end ML lifecycle, from data ingestion to model serving and monitoring.

Key Responsibilities:

We are looking for a motivated and proactive JavaScript Developer to join our Support & Hands History team. You’ll be working on existing game titles built with PixiJS — supporting, maintaining, and enhancing them, while also collaborating closely on the development and evolution of our internal game library.

Requirements

• At least 1.5 years of commercial experience in JavaScript / Frontend development;
• Hands-on experience with PixiJS — commercial or non-commercial (e.g. pet projects, game jams, educational demos);
• Proven experience working with animations, including: Pixi-Spine, Animated Sprite, animation libraries (e.g. GSAP);
• Experience with version control systems (Git) and understanding of CI/CD processes;
• Experience working with texture generation tools or texture atlases;
• Understanding of game performance optimization and browser debugging;
• Languages: Ukrainian — required; English — B1 level or higher.