Senior Mobile Engineer (React Native)

Remote | Full-Time | Engineering

Compensation: $180K - $250K

We are the largest ecosystem builder on a leading decentralized perpetual exchange, currently building the next generation of DeFi trading. Our mission is to democratize access to global financial markets—including crypto, equities, and commodities—by leveraging decentralized technology. To date, our platform has processed $65B+ in cumulative trading volume, generated eight figures in revenue, and supports over 400,000 registered traders.

We are a small, elite team of individual contributors who value autonomy, ownership, and rapid execution. We are looking for a Senior Mobile Engineer who views React Native as a craft. You will sit at the intersection of engineering, design, and product, turning raw speed into a premium mobile experience that feels intentional and indistinguishable from a native app.

Key Responsibilities:

Location: Remote

Status: Independent Contractor

At eJam, we believe in the power of storytelling through visuals. As we expand our digital footprint, we're seeking a dynamic Video Editor who understands the nuances of creating compelling content for today's fast-paced social media landscape.

Founded in 2017, eJam is a direct-to-consumer brand incubator; focused on creating products that people love. Today, we own and operate a portfolio of brands with products that put you first. We take a unique approach to each brand and every product, making sure that we are fulfilling a real need while helping to shift the status quo.

This is an excellent opportunity for a highly motivated individual, eager to excel in a fast-paced and growth-centric setting. We're looking for someone who understands Video Editing best practices, is deadline-oriented, and detail-focused, and has thrived in a remote role.

Responsibilities

Full Stack Engineer (Web3/DeFi)

Location: Remote Type: Full-Time

Compensation: $150K - $250K

We are a venture-backed fintech lab building the next generation of on-chain investing. Our platform is dedicated to long-term, diversified portfolios and automated rebalancing, bringing the safeguards of traditional finance to the world of DeFi. We aim to abstract away the complexities of blockchain, making it possible for anyone to invest in real-world assets (RWAs), stocks, and bonds fully on-chain.

With over 75,000 users already on board and backing from industry leaders like a16z CSX, Coinbase Ventures, and Uniswap Ventures, we are scaling rapidly. We are looking for a Full Stack Engineer to join our lean, high-throughput team. In this role, you will play a critical hand in developing our flagship product, touching every layer of the crypto stack—from backend infrastructure to front-end Web3 UX.

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.

Octopus by RTG, on behalf of Menthum, is hiring a Mid-Level Graphic Designer with a strong background in animation and visual storytelling. This role offers the opportunity to be part of a creative, fast-paced environment where you’ll help build and elevate Menthum’s visual identity across all digital and offline touchpoints. You will play a key role in developing engaging content that reflects Menthum’s innovative brand and mission.

Key Responsibilities

• Design and develop high-quality visual content including brochures, banners, flyers, digital ads, and social media creatives.
• Create and edit compelling animation videos to be used across digital marketing campaigns, product showcases, and social platforms.
• Ensure all content aligns with brand guidelines and maintains visual consistency.
• Collaborate with marketing and product teams to brainstorm and execute innovative design concepts.
• Continuously evolve and refine Menthum’s brand identity in line with current trends and strategic direction.
• Take ownership of visual projects from concept to delivery, meeting quality standards and deadlines.
• Maintain and regularly update internal brand assets and style guides.

Requirements

Experience & Technical Skills

iOS Designer / Product Engineer (Elite Team, High Impact)

Location: Remote - NYC preferred but would consider strong designers remotely across the US.

Compensation: $200K - $250K

We are a highly profitable, high-growth platform that has enabled creators to generate over $50 million since launching in 2025. Our mission is to simplify the process of supporting anyone in the creator economy. We operate with an uncompromising commitment to talent density—maintaining a small, elite team where every member has outsized ownership and impact.

We are seeking an exceptional iOS Designer / Product Engineer to join us as one of the two dedicated experts jointly owning the entire native iOS application. If you have an extreme attention to detail, live to build beautiful products, and thrive in a fast-paced, high-autonomy environment, we want to hear from you.

You will be a key leader in product design and technical implementation, jointly responsible for the entire user experience, visual quality, and technical integrity of the core iOS application. You will balance design perfection with rapid shipping to deliver features that directly drive platform growth and creator success.

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.

We are currently hiring a Motion Designer for a digital insurance company in KSA on a remote, 1-year contract (subject to extension), offering an exciting opportunity to lead high-impact performance marketing campaigns within a dynamic and data-driven environment.

Main 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.

We are currently hiring a Graphic Designer for a digital insurance company in KSA on a remote, 1-year contract (subject to extension), offering an exciting opportunity to lead high-impact performance marketing campaigns within a dynamic and data-driven environment.

Main 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.

We are currently recruiting on behalf of our client, a Content Creator who combines video production and motion graphics expertise, able to manage end-to-end video projects for the company's events and campaigns. The ideal candidate will be responsible for producing engaging, high-quality video content and motion graphics that support the events, campaigns, and overall brand presence. This role requires both creativity and technical expertise, with the ability to manage projects from concept to final delivery.

Core Responsibilities

• Shoot and edit event content (recaps, reels, interviews, speaker clips, crowd energy).
  
• Create social-first content optimised for LinkedIn, Instagram, TikTok, YouTube, and paid media.
  
• Design and animate intros, title cards, lower-thirds, GIFs, and motion graphics.
  
• Adapt brand assets (logos, colors, templates) into engaging video and animated formats.
  
• Deliver campaign-ready videos and animations with fast turnaround.
  
• Manage video assets, versioning and file organisation for multiple platforms.

Requirements

Skills & Experience