Staff Full Stack Engineer

Location: New York

On- site | Full-time

Compensation: Competitive

Our client is a premier development organization responsible for building and operating a high-stakes technology stack that powers one of the largest and most active token launchpads in the decentralized finance (DeFi) ecosystem. The systems involved are engineered for low latency and high throughput, operating under constant, significant load where precision and system reliability are critical.

The organization is seeking a Full Stack Engineer to play a vital role in scaling cutting-edge platforms at the intersection of cryptocurrency and social finance. This individual will work across the entire technical stack to deliver high-performance, user-centric applications. The environment is characterized by an intense pace, high expectations, and immediate real-world impact. This role is ideal for a high-agency engineer who thrives on ownership and is motivated by the challenge of building products used by massive, global audiences.

Key Responsibilities

Senior Staff Backend Engineer

Location: Manhattan, New York

Onsite | Full-time

We are hiring on behalf of our client who is the development powerhouse behind one of the largest and most high-traffic platforms in the digital asset space. Currently processing ~$1B in daily volume, their technology stack handles low-latency, high-throughput, and constant load at a scale few companies ever reach.

The Role

In this role, you will act as a technical anchor, overseeing the integrity and evolution of their core backend systems. You will balance high-level architectural governance with deep-tier execution, driving technical excellence from the front. Your primary focus will be the proactive mitigation of scaling risks and the design of durable, fault-tolerant systems capable of sustaining high-throughput workloads.

What You’ll Do:

Senior & Lead Java Engineers

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring experienced Senior and Lead Java Engineers to support a large-scale financial technology program for a UAE-based client. Engineers will work on enterprise backend systems integrated with blockchain infrastructure. The role focuses on building scalable, high-performance services in a distributed environment. Exposure to smart contracts and blockchain technologies is highly desirable. Lead-level candidates will provide technical leadership and mentor distributed teams.

Responsibilities

• Design, develop, and maintain scalable Java-based backend services
• Build and integrate RESTful APIs within a microservices architecture
• Collaborate with cross-functional teams to deliver high-quality solutions
• Optimize system performance, reliability, and security
• Contribute to blockchain integration and smart contract interaction (where applicable)
• Participate in code reviews and uphold engineering best practices
• Lead Engineers: provide technical guidance, mentor team members, and support architectural decisions

Requirements

Senior & Lead Android Engineers

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring Senior and Lead Android Engineers to support a large-scale financial technology program for a UAE-based enterprise client.

You will be responsible for building secure, high-performance Android applications used in a regulated financial environment. The role requires strong expertise in Kotlin, modern Android development practices, and scalable mobile architecture.

Lead-level candidates will contribute to architectural decisions, drive Android best practices, and mentor distributed teams.

Responsibilities

• Design, develop, and maintain scalable Android applications using Kotlin
• Implement clean, testable, and maintainable mobile architecture
• Integrate applications with secure backend APIs and enterprise services
• Optimize application performance, responsiveness, and reliability
• Collaborate with backend, blockchain, and product teams
• Participate in code reviews and enforce engineering standards
• Lead Engineers: provide technical leadership, mentor developers, and contribute to architectural strategy

Requirements

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring a Senior Protocol Engineer to contribute to the core infrastructure of a custom Layer-1 blockchain ecosystem supporting enterprise-grade financial systems.

You will work at the protocol layer, contributing to consensus mechanisms, node architecture, networking, and system-level performance. This role requires deep distributed systems expertise and hands-on experience working on blockchain infrastructure rather than application-layer smart contracts.

The ideal candidate is comfortable operating in performance-critical, security-sensitive environments and contributing to protocol evolution discussions.

Responsibilities

• Design and implement core blockchain protocol components
• Contribute to consensus performance, scalability, and reliability improvements
• Optimize node performance and system-level efficiency
• Work on P2P networking and state synchronization mechanisms
• Identify and mitigate protocol-level vulnerabilities
• Collaborate with smart contract, infrastructure, and backend teams
• Participate in architecture reviews and protocol evolution discussions

Requirements

Blockchain Indexing Specialist

Location: Can do at least 4 hours overlap between 10am-6pm Brazilian time - Cannot hire in Germany or France

Remote | Full-time

Compensation: Competitive

Our client operates a premier real-time blockchain analytics platform utilized by over 5 million crypto traders every month. As a lean, high-performance team of ten, the organization remains at the absolute core of the rapidly expanding decentralized finance (DeFi) industry.

The organization is seeking a Blockchain Engineer to join the core engineering team. This individual will manage and evolve the indexing layer as the platform scales across hundreds of chains and billions of transactions. The mission is to architect and maintain high-performance indexers that ensure the platform remains the fastest and most reliable data provider in the ecosystem. This role is designed for a specialist who thrives in high-throughput environments and possesses a deep technical understanding of blockchain data structures.

Key Responsibilities

Location: Remote – Johannesburg, Gauteng, South Africa

Contract Term: February through September (with potential extension based on performance and business needs)

About the Role

We are seeking an experienced Sales Phone Agent with strong phone-based sales experience and excellent written and spoken English. This is a remote contract role with a call center environment, requiring reliability, strong work ethic, and a distraction-free workspace.

This is a fixed-term contract position. Contract extensions may be considered based on performance and business needs. Structured sales training and ongoing coaching will be provided throughout the ramp-up period.

What You’ll Do:

• Manage inbound and outbound warm calls (approx. 200+ weekly).
• Handle calls lasting 6–15 minutes to close new customers, explain LawnStarter’s services, and upsell recurring plans.
• Meet and exceed sales metrics and quality standards.
• Demonstrate exceptional communication skills with U.S. customers.
• Maintain accurate CRM records and uphold data protection policies.

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 and 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 be contributing to maintain 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 seeking for a highly motivated Procurement Buyer to join our dynamic team in Eleusina

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 and 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 be contributing to maintain 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 actively seeking an Accounts Receivable Specialist to join our offices in Elefsina.

The Accounts Receivable Specialist will be responsible for managing customer credit accounts, ensuring timely payments, minimizing financial risk, building client relationships, negotiating repayment terms, and supporting healthy cash flow for the business.

DSI Systems Inc., an Authorized AT&T Distributor Partner, is seeking a Platform Manager – Zoho to lead the administration, optimization, and strategic evolution of our Zoho ecosystem. This role is responsible for ensuring system reliability, operational efficiency, and scalable process design across Sales, Operations, Marketing, and Support.

Reporting to the Senior Director of Systems Operations, the Platform Manager serves as the subject matter expert for Zoho CRM and related Zoho applications—overseeing configuration, integrations, data governance, and long-term platform strategy. This individual partners cross-functionally to translate business requirements into scalable system solutions that support performance visibility, automation, and sustainable company growth.

About DSI

Founded in 1984, DSI is a family-owned company committed to delivering exceptional value and measurable results to our clients and partners. Our comprehensive services include sales management, marketing support, hardware logistics, immersive training, engineering expertise, and proprietary software solutions—all designed to drive growth and operational efficiency.