About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group, providing market-leading advanced machine learning and AI-driven intelligence to shipping and commodities professionals worldwide. Our platform delivers tailored, exclusive insights through web, mobile, and API interfaces, enabling clients to make faster, better-informed commercial decisions.

Signal Ocean has recently acquired AXSMarine, a business with over 25 years of experience in the freight and commodities space - and is actively integrating the two companies. The combined business now offers the most comprehensive suite of freight market intelligence available, and we are actively building the team to realise the full potential of the integration.

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.

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

We are looking for a skilled Frontend Developer with 3–5 years of experience building modern, responsive, and accessible web applications. This role is frontend-focused, requiring strong expertise in HTML, CSS, JavaScript, and modern frontend frameworks, along with hands-on experience integrating frontend solutions within Adobe Experience Manager (AEM) or similar enterprise CMS platforms such as Sitecore, Contentful, Storyblok, or WordPress.

We develop the mission-critical services that drive our company's operations, covering everything from the gaming platform to data-driven analytics. We operate as a small, highly experienced unit where architectural discussion and R&D are central to our workflow.

The Mission: We are looking for a proactive engineer to help us scale our high-load platform. Your focus will be a mix of stability, performance engineering, and new feature development. If you enjoy working with distributed systems and conducting performance-based R&D, you’ll fit right in.

Requirements

• 4+ years of commercial experience with Python;
• Strong understanding of algorithms and data structures;
• Solid experience with relational databases (PostgreSQL or similar);
• Experience designing scalable backend systems;
• Good written English (for documentation and communication);
• Native Ukrainian (spoken and written);

Would be plus

• Experience with non-relational databases (Cassandra, Redis/KeyDB, etc.);
• Hands-on experience with Docker and Kubernetes;
• Experience working with high-load or distributed systems.

Senior Automation QA Engineer

Location: Ukraine, Europe

Remote | Full-time

Compensation: Competitive

Our client is seeking a dedicated Senior QA Automation Engineer to oversee the quality assurance for a business-critical healthcare scheduling platform. This application is designed to transition hospital emergency departments from static staff planning to a flexible, dedicated scheduling system. Operating within a high-stakes healthcare environment, the platform must support rapid schedule changes, maintain well-structured data, and provide reliable reporting.

The successful candidate will be responsible for ensuring the stability of core user actions, authentication, and permissions, ensuring that new features and hotfixes do not compromise critical functionality.

Key Responsibilities

Who we are (Company introduction) 

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 remote 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. 

Robusta is a tech agency working with a diverse client base across different sectors & industries on implementing digital transformation programs. Engagements are typically focused on the digitization of existing operations & processes and/or activation of digital customer engagement channels. With a team of 100+ tech and market consultants, robusta maintains an impactful footprint across EMEA and engages with its clients through its two key operations hubs in Egypt and Germany. 

Our Engineering Team

At robusta, Engineers are craftsmen, we take pride in our skills and our target is delivering the right value to our partners. We deeply believe in the Agile & DevOps movements, and we structure and shape our systems and processes accordingly.

Tiger Analytics is a fast-growing advanced analytics consulting firm. Our consultants bring deep expertise in Data Science, Machine Learning and AI. We are the trusted analytics partner for several Fortune 500 companies, enabling them to generate business value from data. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner. We are looking for top-notch talent as we continue to build the best analytics global consulting team in the world.

The Data Engineer will be responsible for architecting, designing, and implementing advanced analytics capabilities. The right candidate will have broad skills in database design, be comfortable dealing with large and complex data sets, have experience building self-service dashboards, be comfortable using visualization tools, and be able to apply your skills to generate insights that help solve business challenges. We are looking for someone who can bring their vision to the table and implement positive change in taking the company's data analytics to the next level.

Requirements

Senior Backend Engineer

Location: US or Europe (Must have solid overlap with EST)

Remote | Full-time

Compensation: $150K - $200K

Our client is an industry-leading DeFi organization building the next generation of trading infrastructure. Operating as the largest builder-code product on a major decentralized exchange protocol, the company has processed over $65B in cumulative trading volume and generated eight-figure revenue over the past year. With a user base exceeding 400,000 registered traders, the platform is at the forefront of democratizing access to global financial markets across crypto, equities, and commodities.

The organization operates as a lean, highly technical team of individual contributors who prioritize autonomy, ownership, and rapid execution. This environment is designed for a Senior Backend Engineer who thrives in 0-to-1 environments and is capable of building ambitious systems from the ground up. This role is central to scaling trading interfaces that manage billions of dollars in daily volume while maintaining high-speed, intuitive user experiences.

Key Responsibilities

Tiger Analytics is pioneering what AI and analytics can do to solve some of the toughest problems faced by organizations globally. We develop bespoke solutions powered by data and technology for several Fortune 100 companies. We have offices in multiple cities across the US, UK, India, and Singapore, and a substantial remote global workforce.

We are seeking a Data Architect – Patient Services to join our Life Sciences practice. In this role, you will be responsible for ensuring the integrity and reliability of Patient Services (PS) data and be the primary bridge between external Patient Services Hub vendors and internal enterprise systems. This is a high-impact role combining technical data modeling with operational stewardship, requiring you to drive data quality, investigate complex lineage issues, and ensure that patient data is "analytics-ready" for strategic decision-making.

Responsibilities:

Blockchain Indexing Specialist

Location: Can do at least 4 hours overlap between 10am-6pm Brazilian time - Cannot hire in Germany or France

Remote | Full-time

Compensation: Competitive

Our client operates a premier real-time blockchain analytics platform utilized by over 5 million crypto traders every month. As a lean, high-performance team of ten, the organization remains at the absolute core of the rapidly expanding decentralized finance (DeFi) industry.

The organization is seeking a Blockchain Engineer to join the core engineering team. This individual will manage and evolve the indexing layer as the platform scales across hundreds of chains and billions of transactions. The mission is to architect and maintain high-performance indexers that ensure the platform remains the fastest and most reliable data provider in the ecosystem. This role is designed for a specialist who thrives in high-throughput environments and possesses a deep technical understanding of blockchain data structures.

Key Responsibilities

Software Engineer (Java Generalist)

Location: US - Open to Europe if happy to overlap with EST

Compensation: $160K - $200K

Our firm has been retained by a high-growth, mission-driven technology company to find a world-class Principal Java Systems Engineer. This is not a role for "glue" engineers who connect off-the-shelf components; this is for the engineer who sees performance ceilings as a personal challenge and prefers squeezing 30% more throughput out of clean Java over renting 30% more cloud compute.

Our client is building a high-performance, publicly visible immutable ledger. In an industry where people "move fast and break things," this team operates like NASA: moving fast while ensuring correctness, performance, and efficiency are 100% right the first time. You will join an elite team where you aren't a cog in the machine—you are the architect building it.

Key Responsibilities: