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 Back-End Engineer with experience in C#, someone who is curious, proactive, and passionate about building high-quality digital solutions. 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.

Technology Stack

About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, helps shipping and commodities professionals navigate their complex decision making. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that support our clients in achieving performance and efficiency. By securely handling and combining private and public shipping data flows, and applying advanced analytics, insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities that are leveraged in the solutions that we offer or can be directly embedded in our client’s system topologies.

About the role: 

You will be leading one of the product teams within the Signal SaaS web application. The focus is on building supporting infrastructure and data visualization features — such as charts, graphs, tables, and maps — that help users interact with complex shipping data. Alongside feature development, the team invests in building reusable components that support both their own roadmap and other teams, with a strong focus on automated testing  inside CI/CD pipelines.

Signal is a group of companies offering products and services in commercial shipping. We combine our deep knowledge of shipping with our passion for applied science, technology and modern management methods.

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that support our clients in achieving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities that are leveraged in the solutions that we offer or can be directly embedded in our client’s system topologies.

About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Senior Full Stack Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. 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.

Technology Stack

About Signal Ocean

Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

Shipping remains one of the world’s most complex and under-digitized sectors - a space where data and digitisation can make a profound difference. In an era defined by global disruptions, from sanctions to supply chain challenges, innovation in this field directly shapes how the world moves goods and commodities. At Signal, we look for people eager to explore this vast, often overlooked domain, and to help build technologies that bring clarity, efficiency, and intelligence to maritime commerce and global trade.

Domain Mastery via Rotation

We don't believe in keeping designers in silos. To design for shipping, you need to understand the whole lifecycle.

Are you excited about diving deep into a specific industry, mastering its challenges, and building a marketing playbook from the ground up?

Keycafe is looking for a Marketing Coordinator who can take ownership of a single vertical — such as vehicle fleets or first responders — and drive end-to-end demand generation. You will research the market, craft strategy, execute campaigns across multiple channels, and ultimately map out the most effective marketing motions for your industry.

You will collaborate closely with Sales, Customer Success, and Product to bring high-quality content and campaigns to life while helping shape the future of our North American marketing efforts. This role requires fluent business English and strong writing abilities.

If you’re a creative, analytical, and detail-oriented marketer who loves testing ideas and producing high-impact assets, we want to hear from you.

About Signal Ventures: Signal Ventures is the venture and strategic investment arm of The Signal Group. The team invests in early-stage technology companies across maritime, logistics, and commodities. Our portfolio includes more than twenty investments and three incubated projects, with successful exits including OilX and DeepSea.

About the role:

Shipping remains one of the world’s most complex and under-digitized sectors - a space where data and AI can make a profound difference. In an era defined by global disruptions, from sanctions to supply chain challenges, innovation in this field directly shapes how the world moves goods and commodities. At Signal Ventures, we look for people eager to explore this vast, often overlooked domain, and to help build technologies that bring clarity, efficiency, and intelligence to maritime commerce and global trade.

We are looking for an analyst to help source, assess and execute early-stage investments across the markets we cover. The role sits in a small team and reports directly to the SVP of Technology Ventures. You will take ownership of the deal flow process, support detailed diligence work and contribute to supporting founders in our portfolio. As you grow in the role, you will have the opportunity to take on increasing responsibility within the Ventures team.

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence technologies, the platform provides tailored, exclusive insights that support our clients in achieving performance and efficiency.

About the role: At Signal, we are committed to finding people who are respectful, inclusive, and team players, embodying these values in every role.

What you will do in this role:

About Signal Ventures: Signal Ventures, the venture capital & strategic investment arm of The Signal Group, is a specialized venture capital firm focused on supporting early-stage technology startups and entrepreneurs in the shipping, logistics, mobility, and commodities sectors. With a track record of over 15 investments, 3 incubation projects, and successful exits for notable companies like OilX and nuTonomy, Signal Ventures is at the forefront of the industry.

About the role: We are currently seeking a highly motivated, analytical and Insightful analyst to join our team on a fixed-term six month contract. The successful candidate will play a pivotal role in managing deal flow and conducting due diligence for a portion of our portfolio. Reporting directly to the SVP of Tech Ventures and working closely with the Signal Ventures team, this role will contribute to the growth and success of Signal Ventures. 

This role is suited for recent graduates (0-2 years of experience) who are eager to get hands-on experience in the VC industry. We value open, rigorous debate and expect this person to bring fresh perspectives, question assumptions, and constructively challenge our thinking. 

Requirements

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, helps shipping and commodities professionals navigate their complex decision making. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that support our clients in achieving performance and efficiency. By securely handling and combining private and public shipping data flows, and applying advanced analytics, insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities that are leveraged in the solutions that we offer or can be directly embedded in our client’s system topologies.

About the role:  We are looking for a motivated and detail-oriented Associate Product Manager to join our Vessels API squad in Athens. This is a hands-on role working with one of the largest vessel datasets in the industry - over 50,000 Tanker, Dry, LNG, and LPG vessels, each with more than 100 key particulars ranging from dimensions and cargo-handling equipment to ownership and sanctions.