We are looking for a Lead FullStack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products.

You will lead a small engineering team consisting of 3 engineers and 2 QA specialists. This is a hands-on role requiring deep involvement in architecture, complex technical challenges, and production development.

We expect you to actively leverage AI tools to improve engineering quality and development velocity.

Responsibilities

• Design and develop scalable backend services and APIs.
• Drive architecture decisions and ensure high engineering standards.
• Write production-ready code and actively use AI tools to accelerate development.
• Solve complex technical challenges and improve system reliability.
• Lead code reviews and maintain code quality across the team.
• Mentor engineers and help increase team productivity.
• Collaborate closely with Product, Design, and QA teams.
• Continuously improve development processes and engineering practices.

Requirements

About the Role

We are looking for a highly skilled Senior Software Engineer (Full Stack) to join our Engineering team. In this role, you will be responsible for designing, developing, and maintaining scalable backend systems, managing databases, implementing DevOps practices, ensuring security compliance, and collaborating closely with frontend teams.

You will play a key role in shaping system architecture, optimizing performance, automating deployments, and mentoring junior engineers while ensuring the delivery of secure, high-quality software solutions.

We are looking for a FullStack Engineer with a strong backend focus to help build and scale Enterprise products.

You will work closely with Product and Engineering teams to develop partner-facing experiences, widgets, and internal applications.

Responsibilities

• Build and maintain frontend applications, widgets, partner portals, and landing pages.
• Design and implement backend services and APIs.
• Prototype new partner integrations and B2B solutions.
• Work closely with Product Managers and Designers from requirements to production.
• Own features end-to-end, including deployment and support.
• Participate in code reviews and architecture discussions.
• Actively leverage AI tools to accelerate development and increase productivity.

Requirements

Backend

• Commercial experience with Node.js and TypeScript.
• Experience building and maintaining REST APIs.
• Good understanding of PostgreSQL and Redis.
• Understanding of asynchronous patterns and message queues.
• Familiarity with JWT and OAuth2.

Frontend

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 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, 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.

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.

Staff Software Engineer - Backend & AI Infra

Remote | Full-time

Location: Based in US to GMT timezones

Compensation: Competitive Compensation Package

Our client is a high-growth technology firm. They are seeking a Staff Software Engineer to spearhead two critical domains: the core agent runtime and backend infrastructure powering a high-frequency trading fleet, and the comprehensive migration of model hosting and agent deployment to in-house, proprietary infrastructure.

This is a foundational, high-impact building role. The successful candidate will design and implement the backend services, runtime engines, and deployment systems that enable a fleet of autonomous agents to operate with superior speed, reliability, and intelligence. By moving away from third-party LLM providers and hosted platforms, this role will establish the sovereign infrastructure necessary for the next generation of autonomous financial software.

Key Responsibilities

Agent Runtime & Backend Development

About LawnStarter

LawnStarter is the nation's leading on-demand marketplace for lawn care and outdoor services, with $100M+ in annual bookings across three brands. We connect homeowners with vetted local Pros for everything from weekly mowing to landscaping, pool care, and beyond.

The Role

The Sr. Automation Engineer in Austin, Texas will serve in a hands-on role responsible for the evaluation and testing of the LawnStarter platform. As a key player in the Company's Engineering operations reporting to LawnStarter’s Engineering Manager and indirectly to the Head of Engineering. The Sr. Automation Engineer will collaborate with software developers and engineers (majority based in Brazil) and cross-functional teams to design, develop, and deploy automated solutions for various processes and systems, utilizing industry-leading automation technologies. Telecommuting permitted from anywhere within continental U.S.

Job Duties

More specifically, the duties of Sr. Automation Engineer at LawnStarter will include:

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

Senior Backend Engineer

Location: EMEA / EU Hours - Authorised to work in EMEA

Remote | Full-time

Compensation: €90K - €130K

Our client is a high-growth fintech leader specializing in simplifying multi-chain DeFi for traditional financial institutions, fintechs, and service providers. By offering a unified API, the platform provides seamless access to on-chain liquidity across all major blockchains for optimized same-chain and cross-chain swaps. The organization is on a mission to enable a fairer, decentralized world while prioritizing exceptional user experiences to make complex technologies accessible to a global audience.

The organization is seeking multiple Senior Backend Engineers to lead the design, development, and maintenance of robust, scalable, and secure backend systems. Reporting to the Backend Lead, the successful candidates will collaborate with cross-functional teams— including frontend developers, product managers, and designers—to deliver high-quality software solutions. The technical environment utilizes a modern stack including Node.js (TypeScript), MongoDB, Redis, and ethers.js, supported by a GitOps CD chain involving Kubernetes and AWS.

Key Responsibilities