Full Stack Developer (.NET & Angular)

Location: [New York – Local Candidates Only Experience Level: Mid-Senior (8–10 Years)

Industry: IT Services / Finance

Our firm has been retained to find an experienced Full Stack Developer to join a high-performing engineering team. This role is ideal for a developer who thrives in an Agile environment and possesses a deep technical foundation in both modern front-end frameworks and robust back-end systems.

You will be responsible for designing, developing, and maintaining scalable web applications that drive core business functions. You will collaborate with global, cross-functional teams to deliver high-quality features while ensuring the performance, security, and responsiveness of the platform. This is a hands-on role that requires a commitment to clean code, thorough documentation, and proactive problem-solving.

Key Responsibilities:

About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group, a diversified shipping services group with offices in London and Athens. Our main product, The Signal Ocean Platform, allows ship charterers, brokers and owners to securely process, combine and analyse complex arrays of private and public shipping data. Powered by sophisticated machine learning / artificial intelligence technologies, the platform delivers customized, exclusive insights that help our clients achieve performance and efficiency.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We’re looking for a Software Engineer capable of building and maintaining scalable back-end data services (primarily in Python) within the Modelling & Data Services team. Signal’s Software Engineers work closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping.

Senior Firmware Engineer (Blockchain Hardware)

Location: Based UTC -9 and +1

Compensation: $120K - $165K

We are looking for a Senior Firmware Engineer to develop, design, and optimize firmware for our cutting-edge cryptocurrency hardware wallets. In this role, you will be at the intersection of high-stakes security and embedded systems, collaborating closely with hardware and software teams to deliver secure, reliable, and highly efficient firmware solutions.

You will be responsible for the "brain" of our devices, ensuring that our users' digital assets are protected by battle-tested code. From architecting multi-threaded applications to ensuring seamless hardware-software compatibility, you will play a vital role in maintaining and improving both current and next-generation security devices.

Key Responsibilities:

Senior Validator Engineer (Solana)

Location: Remote - Europe only

Compensation: $180K - $300K

We are reengineering blockchain infrastructure from first principles to make global digital markets as precise and dependable as physical systems. Built on Solana, our platform delivers deterministic execution, guaranteed inclusion, and low-latency performance—solving the foundational failures that cause transactions to miss and systems to collapse under pressure.

By placing high-performance compute close to where transactions happen and coordinating execution through our advanced scheduling engine, we empower developers to build scalable applications and give institutions the reliability they demand. We believe financial infrastructure should behave like physics: fast, reliable, and predictable—every time, without exception.

As a Senior Validator Engineer, you will spearhead our engineering efforts surrounding the Solana Validator (both Agave and Firedancer), driving the innovation and implementation of next-generation high-performance distributed systems. You will join a highly proficient team of core engineers who have all contributed to foundational network components.

Our team provides quality assurance for mobile games developed by the company. We work closely with game designers, developers, and product stakeholders to ensure high quality, stability, and an engaging player experience across different mobile devices and operating system versions.

We continuously improve our QA processes step by step, focusing on efficient testing practices and product quality.

We are looking for a Junior Manual QA team member who can perform manual testing of mobile games across different devices and operating system versions.

We work remotely, with formal meetings kept to a minimum — one weekly stand-up, and the rest scheduled based on work needs.

Our focus is on maintaining a balance between game quality and business goals to ensure long-term project sustainability and a positive team atmosphere.

We strive to deliver games that we can truly be proud of :)

Requirements

About Us

At Zyte, we eat data for breakfast and you can eat your breakfast anywhere and work for Zyte. Founded in 2010, we are a globally distributed team of over 250 Zytans working from over 28 countries who are on a mission to enable our customers to extract the data they need to continue to innovate and grow their businesses. We believe that all businesses deserve a smooth pathway to data

For more than a decade, Zyte has led the way in building powerful, easy-to-use tools to collect, format, and deliver web data, quickly, dependably, and at scale. And today, the data we extract helps thousands of organizations make smarter business decisions, secure competitive advantage, and drive sustainable growth. Today, over 3,000 companies and 1 million developers rely on our tools and services to get the data they need from the web.

As a Full Stack Engineer, you will play a crucial role in enhancing our customer-facing applications and backend systems. You will work closely with a diverse and collaborative team, embracing opportunities to innovate and implement scalable solutions. The ideal candidate is comfortable working across the entire technology stack but with a focus on the frontend and has a strong understanding of web applications and technologies.

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.

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 Part-Time MarTech Specialist 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.

Role Overview

We are seeking a highly skilled Part-Time MarTech Specialist to manage, optimize, and enhance Tree’s marketing technology ecosystem. This role ensures accurate data collection, seamless integrations, and reliable tracking across all marketing and product channels. The ideal candidate is detail-oriented, analytical, and deeply experienced with MarTech tools and tracking infrastructures.

Responsibilities

We are looking for a Senior Jira Expert - Software Integrator to join our team of Integrators Consultants in Cairo, Egypt and to work mainly in Enterprise Implementation Environments (Banks, Telecom, Airlines, Governments, etc.) with main focus on Atlassian and Jira related projects.

Requirements

Responsibilities:

·        Implement Jira Software, Confluence, Jira Service Management & related Atlassian products for Infosysta Clients as a complete solution such as Collaboration Solution, Tracking System, Agile Project Management, SDLC/ALM, DevOps, Task Management, and more.

·        Configure & Integrate Jira & related Atlassian products with Client systems.

·        Provide Customer Support on-site or remote with high Quality of Service on Atlassian. Products (Jira Software, Jira Service Management, Confluence, Bitbucket, Bamboo, etc.).

·        Collaborate actively with Developers & Technical Analysts in Infosysta in order to deliver the final project for Clients.

·        Accountable on high Quality of Service and Customer satisfaction.

·        Collect functional and technical requirements from Client when needed and write the technical specifications document.

·        Install, configure and run different tools integrated with Jira & Confluence.

·        Functional & Technical administration of Jira and Confluence.

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