We are OB Streem, a leading end-to-end logistics provider delivering intelligent and innovative solutions in Southeast Europe. Our rich heritage stems from decades of expertise with ORBIT (Orphee Beinoglou International Transports) and Makios Logistics drives our forward-thinking approach in providing excellence in service.

We believe every journey begins with a commitment—to our clients and our team. With a deep-rooted passion and a drive to redefine industry standards, we strive to create seamless logistics solutions that empower businesses and individuals alike. Our mission is to navigate the complexities and challenges of global logistics, ensuring flexibility, reliability, efficiency, and an unwavering focus on customer satisfaction.

As part of the OB Streem family, you will contribute to maintaining a legacy of excellence while being empowered to innovate, collaborate, and make a meaningful impact every day. If you share our vision of transforming logistics into an experience of trust and reliability, we invite you to embark on this exciting journey with us.

We are looking for a Business Analyst to join our Finance Department in our offices in Elefsina.

Tiger Analytics is a global leader in AI and advanced analytics consulting, empowering Fortune 1000 companies to solve their toughest business challenges. We are on a mission to push the boundaries of what AI can do, providing data-driven certainty for a better tomorrow. Our diverse team of over 6,000 technologists and consultants operates across five continents, building cutting-edge ML and data solutions at scale. Join us to do great work and shape the future of enterprise AI.

Requirements

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 currently hiring a Part-Time MarTech Specialist for a digital insurance company in KSA on a remote, 1-year contract (subject to extension), offering an exciting opportunity to lead high-impact performance marketing campaigns within a dynamic and data-driven environment.

Role Overview

We are seeking a highly skilled Part-Time MarTech Specialist to manage, optimize, and enhance Tree’s marketing technology ecosystem. This role ensures accurate data collection, seamless integrations, and reliable tracking across all marketing and product channels. The ideal candidate is detail-oriented, analytical, and deeply experienced with MarTech tools and tracking infrastructures.

Responsibilities

About the Role

Join Excelya as a Laboratory Metrology & Qualification Specialist, where you will play a vital role in ensuring the accuracy and reliability of measurements across our laboratory operations. In this position, you will be responsible for developing, implementing, and maintaining measurement and qualification standards in alignment with regulatory requirements.

The consultant will be responsible for ensuring the accuracy and reliability of metrology, verification, and qualification activities for laboratory instruments, equipment, utilities, and controlled environments. The mission covers both initial and periodic qualification phases, including technical validation according to operational and regulatory requirements (GMP and labor code standards).

Main Responsibilities:

• Health, Safety & Environment (HSE) Responsibilities:
• Apply and promote site HSE policies and procedures.
• Identify and report any hazardous situations, ensuring compliance with safety plans.
• Use personal protective equipment properly and ensure safety devices are not altered.
• Demonstrate exemplary safety behavior while encouraging safe practices among colleagues.
• Support continuous improvement in safety culture.

Core Protocol Developer - Leading DeFi Innovator

Location: Remote - Candidates must be located in an American timezone (this includes North and South America)

Compensation: $120K - $200K

We are a mission-driven team dedicated to simplifying decentralized finance (DeFi) and making sophisticated yield opportunities accessible globally. We translate complex financial strategies into intuitive, one-click products for users and institutions.

As a Core Protocol Developer, you will serve our community and decentralized autonomous organization (DAO), working collaboratively across the full stack. This is a role for a highly motivated, versatile software development specialist with deep expertise in DeFi and smart contract development.

What You'll Be Building:

• Next-Generation DeFi Primitives: Creating innovative products like Leverage Tokens (ERC-20 assets bundling complex actions) and automated strategy Vaults for efficient capital management.
• Protocol Mechanism: Implementing and maintaining core staking and governance features that drive long-term protocol health.

Mobile Engineer (Flutter/Dart) - Decentralized Trading Platform

Location: Remote - US or Europe remote. Must overlap with ET by 4 hours.

Compensation: $140K - $300K

We are a well-funded, innovative financial technology company on a critical mission: to enable anyone with a digital wallet to trade stocks, commodities, currencies, and crypto with unprecedented transparency. We are replacing the opaque, offshore brokerage model with a transparent, permissionless trading stack built entirely on-chain. Every transaction, deposit, and withdrawal is verifiable through open, auditable code. We have secured significant backing from top-tier institutional and crypto-native investors.

We are seeking a highly proficient Mobile Engineer to own and build our native mobile trading experience from the ground up. You will use Flutter and Dart to deliver a high-performance, cross-platform application (iOS and Android) that adheres to strict architectural standards and seamlessly integrates with our on-chain protocols.

Responsibilities:

Lead Frontend Engineer - Decentralized Trading Platform (New York / Full-Time)

Location: New York City (Hybrid)

Compensation: $180K - $300K

We are a well-funded, ambitious technology company on a mission to completely transform how financial markets operate. Our goal is simple: to enable anyone with a digital wallet to trade stocks, commodities, currencies, and crypto with complete transparency. We are replacing the opaque, offshore brokerage model with a transparent, permissionless trading stack built entirely on-chain. Every trade, deposit, and withdrawal is verifiable through open, auditable code. We've secured significant backing from top-tier venture capital and crypto-native investors.

We are seeking a Lead Frontend Engineer to take complete ownership of the client-side architecture for our core trading interface. You will be the technical leader for the frontend team, driving technical decision-making and ensuring a high-performance, resilient user experience for real-time trading. This role requires deep expertise in modern React/Next.js and mastery of complex Web3 integrations.

Key Responsibilities:

About the Job

Join Excelya, where Audacity, Care, and Energy define who we are and how we work. We believe in creating bold solutions and fostering an inclusive environment where collaboration and individual growth go hand in hand.

The Clinical Outcomes Assessment department is looking for an experienced consultant to provide level-3 expertise to support ongoing COA projects. The consultant will work closely with COA and HEOR Biostatistics teams in the context of clinical trials and patient-reported outcomes evaluation.

Main Responsibilities:

As a Psychometrics Expert, the consultant will be responsible for:

Senior Multichain Backend Web3 Engineer

Location: Remote - US/Europe/Latam/Dubai but must have 5hrs overlap with EST

Compensation: $150K - $200K

Join a well-funded, expert-led team building the foundational yield engine for the crypto economy. We are creating the unified layer that intelligently and continuously reallocates capital across Decentralized Finance (DeFi) protocols to maximize returns. This is a ground-floor opportunity to architect the transition to a multi-chain Web3 future.

This is a high-impact role with immense ownership over the most complex and critical aspects of our platform. You will be responsible for designing and building the scalable infrastructure required to connect and manage assets across various blockchain networks, ensuring security, reliability, and efficiency for all on-chain interactions. This role is ideal for engineers who thrive on technical problem-solving in a fast-paced, high-ambiguity environment.

Key Responsibilities & Impact:

Infrastructure & Platform Engineer Job Posting

Location: New York, San Francisco (Office)

Compensation: $185K - $400K

Our client is a rapidly growing technology company operating at the forefront of the high-stakes crypto derivatives sector, a market with annualized revenues in the tens of billions. Their platform is one of the fastest-growing crypto derivatives exchanges, capturing a significant and expanding share of the global market. They are building the next essential feature in this space: Multi-Asset Margin, which will allow users to post various forms of collateral directly on-chain, eliminating the need to liquidate assets into USDC before trading. Their infrastructure is designed to bring multiple trading venues and expanded financial utility directly to the user.

You will join their Infrastructure & Platform team to design, deploy, and operate the core components of their scalable, high-performance systems. You will focus on compute, storage, and networking while working closely with the product team to deliver exceptional speed and reliability in demanding, real-time environments.

What You'll Do: