Antipollution, a member of V Group, is a leading environmental services provider operating across the Eastern Mediterranean, Egypt, and the Balkans. Through our six business pillars—Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology—we deliver innovative and sustainable solutions with a strong commitment to operational excellence.

As part of our digital transformation journey, we are looking for a Senior Systems & Infrastructure Engineer to join our Technology & Innovation Department and support the Group's IT infrastructure, cloud environment, cybersecurity, and business-critical systems.

Role Responsibilities:

Antipollution, a member of V Group, is a leading environmental services provider operating across the Eastern Mediterranean, Egypt, and the Balkans. Through our six business pillars—Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology—we deliver innovative and sustainable solutions with a strong commitment to operational excellence.

As part of our digital transformation journey, we are looking for an IT Support Specialist to join our Technology & Innovation Department. Reporting to the IT Manager, the role will support the effective planning, coordination, tracking, and delivery of technology projects and operational activities across the Group.

Role Requirements:

As our platform continues to scale, security becomes a core product capability rather than a separate function. We're looking for a Product Security Engineer who can partner directly with engineering teams to build secure systems from the ground up.

This is a highly technical, hands-on role where you'll improve the security of our applications, cloud infrastructure, APIs, and development lifecycle.

Responsibilities

Application Security

• Review application architecture and new product features from a security perspective.
• Identify security vulnerabilities across backend services, APIs, mobile applications, and web platforms.
• Perform threat modeling and security design reviews.
• Support internal and external penetration testing activities.

Secure Development

• Build and improve Secure SDLC across engineering teams.
• Integrate security tooling into CI/CD pipelines.
• Improve developer security practices and provide technical guidance.
• Help engineering teams remediate vulnerabilities.

Cloud & Infrastructure Security

• Improve the security posture of our cloud infrastructure.
• Secure Kubernetes environments, IAM policies, secrets management, and infrastructure components.
• Implement security monitoring and hardening best practices.
• Work closely with Platform and DevOps teams.

Security Automation

Location: Remote - US or EU

Remote | Full-time

Compensation: $160K - $240K

Our client operates a core banking platform designed specifically for digital assets, enabling fintechs and systemically important financial institutions to build, operate, and scale onchain infrastructure. The platform secures over €100B in assets and powers critical operations—including key management, transaction processing, treasury, and compliance—for over 400 global institutions.

Our client is seeking a Principal Security Engineer to lead product security across the entire ecosystem. In this role, security is built directly into the system's architecture rather than applied as a secondary control. The ideal candidate will take ownership of hardening key management, signing workflows, authentication systems, policy enforcement, and multi-chain integrations.

Beyond core product security and vulnerability management, this position plays a pivotal role in shaping the long-term architectural vision of a platform trusted by tier-one financial institutions. As an organization committed to technical excellence, our client also encourages contribution to the broader security community through research, publications, and industry events.

Key Responsibilities

Location: Remote - Based in the United States

Remote  | Full-time

Compensation: $220K - $300K

Job Description

We are hiring on behalf of our client, an elite team of engineers and cryptographers building the infrastructure behind the next generation of financial systems who are seeking a Senior Infrastructure Engineer. This position is responsible for designing, operating, and scaling the core systems that power a highly secure, high-performance platform.

The successful candidate will build and maintain the infrastructure supporting wallet services, transaction processing, and blockchain integrations. Operating at the intersection of distributed systems, cybersecurity, and cloud infrastructure, this individual will ensure the platform remains exceptionally reliable, secure, and performant. This role extends beyond routine infrastructure operations; it requires a strategic mindset to design resilient architectures, automate complex operations, and continuously optimize deployment, monitoring, and security protocols. The engineer will collaborate closely with cross-functional engineering, product, and security teams to deliver an infrastructure capable of handling intensive, real-world financial workloads.

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

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 seeking a highly experienced IT Director to lead and manage the IT department, ensuring the organization’s technology strategy aligns with business goals. The IT Director will oversee all IT operations, infrastructure, security, and projects while providing leadership to the IT team. This is an onsite role requiring a hands-on and strategic approach.

Key Responsibilities:

Senior DevOps Engineer (Remote – Web3/DeFi)

Location: Fully Remote - EU timezone Type: Full-Time

Compensation: competitive

We are seeking a Senior DevOps Engineer to architect and scale the mission-critical infrastructure powering a next-generation decentralized exchange (DEX) and network. In this role, you will be the guardian of our system’s security, scalability, and high availability, ensuring our engineering team can ship rapidly without compromising reliability.

We are a dynamic, forward-thinking, and fully remote team with an ambitious roadmap. This is an opportunity for a reliability-focused engineer who loves automation, security, and performance tuning for high-throughput, low-latency environments. If you thrive on building self-healing systems and are excited by the challenge of shaping the future of finance, we want to hear from you.

Key Responsibilities:

SupportYourApp — міжнародна Intelligent Support-as-a-Service компанія, що надає надійні послуги технічної та клієнтської підтримки, а також сервіси, пов’язані з покращенням клієнтського досвіду зростаючим компаніям вже протягом 15 років. Наразі в нашій міжнародній спільноті 1300+ фахівців.

Ми надаємо послуги по всьому світу, підтримуючи клієнтів 60-ма мовами, співпрацюємо з такими лідерами як MasterCard, Calm та MacPaw, маємо міжнародні хаби, а також розробляємо інноваційні продукти, такі як Quidget, щоб робити клієнтський досвід кращим кожного дня.

Ми зростаємо — і наші системи, сервіси та інфраструктура теж. Нові проєкти, складні задачі та простір для інновацій чекають на тих, хто живе технологіями й готовий впливати на майбутнє наших продуктів.

Наша спільнота стабільно розширюється, тому ми постійно шукаємо нових людей у різні технічні напрями.

Ми раді знайомству з:

• DevOps та Security Інженерами;
• Системними Адміністраторами;
• QA Інженерами;
• Front-end (Vue, React) та Back-end (Node.js, Python) розробниками;
• Project та Product менеджерами;
• та іншими спеціалістами, яким цікаво взаємодіяти з сучасними продуктами та технологіями.

Ми шукаємо людей, які:

Location: London, United Kingdom (Office)

Onsite | Full-time

Compensation: Competitive

We are hiring on behalf of our client, an elite, high-growth software development organization is seeking a highly experienced Staff Platform Engineer. The employer is a major technical contributor to one of the largest and fastest-growing crypto social networks globally, with platforms generating substantial revenue and transaction volume.

This is a critical, high-leverage 0-to-1 opportunity. The successful candidate will join a team of elite builders to take the production platform from its foundational stages to global scale. There is no legacy estate to inherit; this role is responsible for making the core architectural decisions, defining how the engineering team ships code safely, and building a highly reliable, multi-region environment designed to handle immense scale and financial-grade security.

Key Responsibilities