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 Frontend Developer who can take ownership of complex backend systems, drive architectural decisions, and build scalable fintech infrastructure.

Responsibilities:

• Own and drive frontend architecture and technical strategy
• Lead development of scalable and high-performance web applications
• Ensure high quality of UI/UX implementation based on design systems
• Collaborate closely with product, design, and backend teams
• Define and enforce coding standards and best practices
• Optimize performance, loading speed, and overall user experience
• Lead refactoring and technical improvements of existing codebase
• Manage integrations with third-party services and APIs
• Mentor and guide frontend developers, conduct code reviews

Requirements

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

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.

About the Growth Team

The Growth team owns customer acquisition, the engine that powers everything else. We're responsible for bringing in 150,000+ new customers per year across Google Ads, Bing, and organic channels. Paid search is our largest and most complex channel, spanning three brands (LawnStarter, Lawn Love, Home Gnome) across hundreds of local markets with intense seasonality. Core mowing is the heart of the business, and Responsive Search Ads and Dynamic Search Ads are the workhorses that drive it.

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

Hybrid/Remote| Full-time

Compensation: $120K - $150K

We are hiring on behalf of our client, a leading innovator in the blockchain and decentralized finance (DeFi) sector who is seeking a Growth Associate to join its expansion team. This organization is dedicated to building decentralized applications and stablecoin infrastructure that foster a more accessible, people-powered internet.

The Growth Associate will be responsible for driving asset listings and expanding the protocol’s footprint across new blockchain networks. This is a highly commercial, results-driven role focused on identifying high-quality opportunities, structuring incentive packages, and establishing new markets. The successful candidate will manage the business development pipeline from end-to-end, acting as a key representative for the organization within the global DeFi ecosystem.

Key Responsibilities

ADAPTIT S.A. is a specialized ICT Group delivering high-quality services, innovative solutions, and premium support to organizations across telecom, finance, utilities, transport, retail, and enterprise sectors. Guided by our vision to be the trusted partner for seamless connectivity and cybersecurity, we stay at the forefront of technological advancements in Greece and beyond. Our mission is to create lasting impact through strong partnerships, deep expertise, and resilient, future-ready solutions. Since 2012, we have proudly showcased our work at MWC and remain active members of international business chambers.  

Our culture is grounded in trust, ownership, and collaboration, where open communication, shared purpose, and continuous growth define how we work. As a team, we stay agile and customer-focused, committed to delivering innovative solutions that create value for our people and clients alike. 

As a Presales Manager at ADAPTIT, you will play a key role in driving business growth by managing the presales activities to deliver compelling solutions tailored to our clients' needs. You will collaborate closely with sales, technical teams, and clients to understand requirements, develop proposals, and showcase the value of our IT sollutions & services. Your experience will ensure the effective execution of the presales process, from initial client engagement to successful deal closure.

Location: Austin, United States (Hybrid)

Hybrid | Full-time

Compensation: $150K - $175K

Our client is an innovative firm operating at the intersection of institutional finance and emerging blockchain technology. Backed by $40M in funding from premier venture capital firms including Electric Capital and Paradigm, the organization is bridging the gap between decentralized finance and traditional Wall Street by rebuilding financial infrastructure to be faster, safer, and fully on-chain.

In this environment, security is viewed as a primary client-facing differentiator and a core pillar of institutional trust. The security program is integral to client due diligence, auditor engagements, and enterprise contract negotiations. Our client is seeking a Security Engineer to serve as the hands-on execution layer of a security strategy designed by the CISO.

This is a builder role focused on the technical implementation of a modern, cloud-native security stack. The successful candidate will stand up identity enforcement, endpoint protection, cloud posture management, threat detection, and GRC evidence pipelines. This position reports directly to the CISO, offering high technical autonomy and executive visibility within a production-grade environment.

Key Responsibilities:

Security Infrastructure & Implementation

Location: Remote with a 6 hour overlap with EST

Remote | Full-time

Compensation: $75K - $150K

We are hiring on behalf of our client who is seeking a Web Scraping Specialist to join a specialized technical team focused on building the infrastructure that delivers massive amounts of web data for the training of advanced AI models. This organization operates a massive distributed crawler and manages complex pipelines for ingesting, segmenting, and annotating billions of data points, including videos, transcripts, and audio files.

The successful candidate will lead efforts to gather and analyze data, optimize scraping processes, and support the scaling of high-quality public web data accessibility. This role is ideal for a lean, technical builder who thrives in a fast-paced environment without bureaucratic red tape.

Key Responsibilities:

V Group is a robust Group of Companies with a remarkable presence and continuous growth in waste management, renewable energy sources, and financial investments. GREEN, a member of Vasileiadis Group of Companies, has evolved into a renewable electricity generator and a pioneer of sustainability in Greece, actively contributing to the country’s energy transition.

About the job:

As part of our expanding operations in large-scale infrastructure projects, we are seeking a detail-oriented and analytical Project Controller to join our team. Based in the Attica Region or Northern Greece, this role is essential to ensure effective project cost control, budget tracking, and financial reporting throughout the lifecycle of our construction and waste management activities.

Role Overview:

The Project Controller will be responsible for monitoring project performance, providing accurate cost and progress reporting, supporting forecasting, and ensuring adherence to financial and contractual obligations. Working closely with Project Management, Procurement, and Finance teams, the role ensures that f inancial insights directly support the timely and efficient execution of works.

Key Responsibilities:

• Monitor project budgets, commitments, expenditures, and forecasts across multiple sites.

Senior Project Manager – Strategic Projects

Location: Flexible / Based in the U.S. with regular travel to project sites

Position Overview

We are seeking an experienced Senior Project Manager to lead the execution of complex, large-scale LED deployments. This role is responsible for managing projects from design coordination through installation, commissioning, and final handover. The ideal candidate will bring deep experience in the AV industry, particularly with large LED display systems, and will be comfortable coordinating across structural, electrical, mechanical, and media system disciplines.

This individual will work closely with internal engineering teams, integration partners, general contractors, and clients to ensure projects are delivered on schedule, within budget, and to the highest technical standards.

Key Responsibilities

Location: Remote - NYC preferred. Also open to US remote.

Remote | Full-time

Compensation: $200K - $275K

We are hiring on behalf of our client, a leading innovator in the blockchain space who is seeking a Senior Golang Engineer/ Staff Backend Engineer (with deep Go expertise) to join their core backend team. Our client has developed a real-time parimutuel prediction market platform built on Solana, designed to integrate ultra-fast, 60-second to 30-minute prediction markets directly into livestream environments and web platforms.

Following a successful $1M pre-seed round in April 2026 led by prominent venture participants in the Solana ecosystem, the organization is scaling its infrastructure to handle high-concurrency, traffic patterns. As one of the first backend engineering hires, the successful candidate will own critical systems responsible for market creation, settlement, and automated payouts during high-stakes global livestream events.

Key Responsibilities: