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

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

Location: Remote - UK working hours

Remote | Full-time

Compensation: £90K - £110K

We are hiring on behalf of our client, a high-performance financial technology organization specializing in advanced integration service products. The client develops and delivers an innovative, hosted integration platform that enables global financial institutions to maintain a flexible operational infrastructure without requiring internal engineering resources to address connectivity challenges across diverse trading venues.

The successful candidate will join a multi-disciplinary Site Reliability Engineering (SRE) team that actively champions a comprehensive automation culture. The mandate of this department is broad and impactful, covering everything from desktop and laptop infrastructure support to sophisticated data center server provisioning and global vendor network connectivity. While each team member brings distinct areas of technical specialization, the department operates under a shared-responsibility model for the entire production environment. The client is seeking a collaborative, growth-oriented professional who can meaningfully contribute to operational excellence while continuously developing their technical capabilities.

Key Responsibilities

Location: New York, United States • London, United Kingdom (Office)

On-Site | Full-time

Compensation: Competitive Compensation

Our client is a high-growth software development organization and a key contributor to one of the largest and fastest-growing decentralized crypto social networks globally. The platform has achieved massive scale, generating significant revenue and global attention since its inception.

To support this rapid expansion and ensure the continuous uptime of its high-stakes, high-throughput environment, our client is seeking a battle-tested Site Reliability Engineering (SRE) Expert. This individual will be handed ambiguous, critical infrastructure challenges and will be trusted to navigate them end-to-end—scoping solutions, making sound architectural trade-offs, and executing with precision.

Key Responsibilities

Alumil, a leader in the research, development, and production of architectural aluminum systems, is seeking a Software Engineer to join our innovative team.

Your Role

As a Software Engineer, you will play a critical role in designing, developing, and maintaining software solutions that enhance our operational efficiency. You will work closely with cross-functional teams to deliver high-quality software that meets user needs and exceeds expectations.

Key Responsibilities

• Craft, test, and uphold cutting-edge software applications and systems
• Work alongside product and project teams to gather insights and define software requirements
• Identify and troubleshoot software defects and challenges
• Adopt and promote best practices in coding and documentation
• Engage in discussions regarding system architecture and design
• Create software solutions tailored to the needs of our parent company and its subsidiaries
• Enhance existing software while developing new applications
• Collaborate with users and department heads to suggest improvements to current applications
• Estimate timelines for implementation
• Compile deliverables along with user instructions
• Conduct thorough testing to ensure application accuracy

Requirements

Robusta assists organizations in transitioning to a digital-first approach, crafting unforgettable experiences for their customers. We provide strategy, design, product, and technology services to prominent businesses and brands, utilizing our go-to-market expertise to facilitate seamless customer experiences and enhance conversion rates.

About the Role

We are seeking a highly experienced Senior Data Engineer to lead the technical design, implementation, and delivery of an enterprise-grade, AI-ready Data Lakehouse platform. This role is critical in building the foundational data layer for a large-scale digital transformation initiative that will support AI agents, digital workers, and knowledge graph (ontology) systems.

The ideal candidate will have strong software engineering experience with a focus on data pipeline development, data architecture, and scalable distributed systems. You will play a key role in designing and maintaining robust data infrastructure that enables advanced analytics and AI capabilities.

This position also involves technical leadership, mentoring engineering teams in a collaborative co-building model, and ensuring long-term operational ownership.

We are building an ecosystem that combines mining, payments, Bitcoin finance, and education and making it simple and secure for users worldwide to earn and use Bitcoin daily.

We are looking for a Senior / Lead Backend Developer who can take ownership of complex backend systems, drive architectural decisions, and build scalable fintech infrastructure.

Responsibilities

• Lead development of a cryptocurrency payment gateway and related financial services
• Design and implement high-load, scalable backend architectures
• Own integration and orchestration of multiple third-party payment providers
• Drive technical decisions and architecture design across services
• Build and maintain microservices infrastructure with clear separation of concerns
• Optimize system performance under heavy load (latency, throughput, fault tolerance)
• Participate in system design, data modeling, and load calculations
• Collaborate with product, DevOps, and other teams to deliver reliable solutions
• Mentor engineers and influence engineering standards and best practices

Requirements

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.

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.

Job Overview

We are currently partnering with a strategic client in the UAE and are actively expanding their team. We are looking for a skilled Next.js Developer to lead the technical development of a web portal project.

In this role, you will be responsible for the technical design, development, and optimization of a scalable and high-performance portal. You will work closely with the Project Manager, Development Lead, Product Owner, and Scrum Master to ensure successful delivery of the project.

Key Responsibilities

Location: Candidates based in Hong Kong or Singapore

Remote | Full-time

Compensation: $160K - $240K

We are hiring on behalf of our client who is seeking a Principal Software Engineer based in Hong Kong or Singapore to spearhead the design and evolution of core backend systems. This role is instrumental in driving the architecture of services powering wallet operations, transaction processing, and multi-blockchain integrations.

The successful candidate will lead efforts to ensure systems remains fast, reliable, and secure while scaling across global financial markets. Beyond technical implementation, this individual will guide architectural decisions, elevate engineering standards, and mentor senior engineers. The role involves close collaboration with product, security, and leadership teams to align technical execution with company priorities, ensuring infrastructure performs optimally under real-world financial workloads.

Key Responsibilities