Principal Security Engineer - Blockchain Wallet Infrastructure

Location: Remote - Location: US or EU (remote-first, office optional). Must be in the US, not Canada or in the European Union. France or Paris or as close as possible, always preferred

Compensation: $220K - $300K

Join a stellar team of leaders and experts in blockchain technology, cryptography, and infrastructure to build the backbone of blockchain wallet infrastructure for the next financial era. We are hiring a Principal Security Engineer to lead security design and development across our entire platform. Reporting directly to the CISO, you will set the strategy to protect our high-stakes financial systems, fix vulnerabilities, and keep client wallets safe.

This is a strategic and highly technical role spanning the full security lifecycle. You will make security part of every layer of the stack, from architecture design to incident response. Beyond defense, you will champion secure development practices, mentor engineers, and represent the company's security posture to clients and the wider community.

Responsibilities:

Marketing Team Lead - Content & PLG (Blockchain Trust Layer)

Location: New York City, Los Angeles, London, San Francisco (Hybrid)

Compensation: $150K - $200K

We are a venture-backed startup, founded by experts in blockchain and cybersecurity, building a global trust layer for the internet's media content. Our mission is to secure proof of origin for media, tackling the growing threat of synthetic media and disinformation. We are seeking a visionary Marketing Team Lead to establish us as a technology leader in the blockchain, digital provenance, and authenticity space, and to help us rapidly scale.

You will own the overall Go-To-Market (GTM) strategy and execution, responsible for refining our brand, positioning our platform, and building a high-performing team. This is a hands-on, high-impact role for an entrepreneurial leader who can translate a complex technical solution into a category-defining market narrative.

Key Responsibilities:

Infrastructure & DevOps Engineer - High-Performance Distributed Systems

Location: Remote - (Europe-friendly time zones preferred)

Compensation: $160K - $300K

We are reengineering blockchain infrastructure from first principles to make global digital markets as precise and dependable as physical systems. Built on a leading high-performance layer-1 network, our platform delivers deterministic execution, guaranteed inclusion, and low-latency performance. We are hiring an Infrastructure & DevOps Engineer to lead critical engineering efforts that drive the performance and scalability of our next-generation distributed systems.

You will join a highly proficient team of core engineers, focusing on Rust systems programming, infrastructure architecture (Kubernetes), and operational scripting. Your work will span the full stack, from bare metal to application interfaces, and will directly support our platform which connects the L1 network with advanced L2 extensions. You will drive high-quality, frequent code shipments, engage in deep architectural discussions, and apply a coherent system design philosophy to advance the industry.

Key Responsibilities:

Head of Growth - Institutional On-Chain Liquidity Layer

Location: Remote - US - Would consider South America or Canada + Preference for onsite/hybrid in LA

Compensation: $200K - $225K

We are a venture-backed on-chain financial infrastructure company building the liquidity layer for the tokenized economy, backed by leading investors. Our flagship protocol, deployed across multiple chains, connects tokenized real-world assets (RWAs) and high-quality stablecoins to enable 24/7, real-time, compliant capital movement for institutions. Live in production with partners including major global asset managers, we are seeking our first dedicated Head of Growth to own institutional and DeFi adoption and turn product-market fit into repeatable revenue.

Reporting directly to the Founder/CEO, you will be the core GTM leader, responsible for building the revenue engine across enterprise sales, strategic partnerships, and ecosystem development globally. This is a highly hands-on role where you will define the strategy, own the pipeline and forecast, design scalable playbooks, and close lighthouse deals across exchanges, stablecoin issuers, asset managers, and corporate treasuries.

Key Responsibilities:

Director of Sales - Enterprise Blockchain Security, Europe

Location: London (Hybrid)

Compensation: $130K - $150K

We are a fast-growing blockchain security company seeking a dynamic and results-driven Director of Sales to spearhead our expansion across Europe. This is a key leadership role responsible for driving revenue growth, building strategic relationships, and managing complex, high-value sales cycles from prospecting through close. You will act as a core member of our team, representing our solutions to leading institutional clients in the digital asset ecosystem.

As a proven "hunter," you will own the entire sales engine for the European territory. This is a field-based role that requires high autonomy to generate and qualify a robust pipeline through proactive outreach. You will be responsible for identifying and engaging institutional clients, delivering tailored product demonstrations, and collaborating cross-functionally to ensure client needs are translated into customized blockchain security solutions.

Key Responsibilities:

Compliance Operations Coordinator - Cross-Border Payments

Location: Remote - Based in EST timezone

Compensation: $50K - $80K

We are building a platform that enables cross-border transactions that are drastically faster, cheaper, and simpler, moving toward a world of frictionless global commerce. We are seeking a Compliance Operations Coordinator to join us on the front lines, taking ownership of the day-to-day execution of critical bank and client compliance requests. This role is about responsiveness, precision, and extreme accountability in a high-growth, globally distributed environment.

You will serve as the essential link between our clients and banking partners, ensuring every compliance requirement is handled quickly and flawlessly to maintain trust and operational integrity. You will manage the compliance workflow end-to-end, acting with urgency to support global business scale.

What you'll be doing:

Global Early Careers Manager, Graduate Programme Build-out

Role location: Lagos, Nigeria (with international remit across Singapore and global offices)

Role overview

Union Maritime is embarking on a transformative journey to secure its next generation of leaders, with the launch of a landmark graduate trainee scheme in Lagos and the immediate parallel build-out of a globally consistent programme in Singapore.

As our Global Early Careers Manager, you’ll be both architect and operational lead for this high-profile, cross-regional programme, shaping design, delivery, and long-term strategy. You’ll work closely with senior stakeholders to ensure a world-class graduate experience that builds our future leadership pipeline.

This role is central to our long-term talent strategy, requiring strategic vision, rigorous execution, and the confidence to engage senior stakeholders and diverse partner networks. Immediate priorities include executing the Lagos scheme launch in December 2025, managing recruitment for a September 2026 cohort, and ensuring the Singapore programme is designed and delivered to run alongside Lagos, mirroring our high standards and unified global approach.

Role specification

Tiger Analytics is looking for experienced Data Scientists to join our fast-growing advanced analytics consulting firm. Our consultants bring deep expertise in Data Science, Machine Learning and AI. We are the trusted analytics partner for multiple Fortune 500 companies, enabling them to generate business value from data. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner. We are looking for top-notch talent as we continue to build the best global analytics consulting team in the world.

As a Senior Data Scientist with strong expertise in graph theory and advanced data processing to join our Supply Chain Analytics team. The ideal candidate will have hands-on experience leveraging Python, PySpark, and graph-based approaches (preferably with NetworkX) to solve complex business problems in supply chain optimization.. You will develop efficient and accurate analytical models which mimic business decisions and incorporate those models into analytical data products and tools. You will have the opportunity to drive current and future strategy by leveraging your analytical skills as you ensure business value and communicate the results.

Key Responsibilities

About us: Soar is a global fintech startup that specializes in financing and investment. Currently headquartered in Saudi Arabia, Soar is growing throughout the region with a mission to help people achieve their financial goals with innovative financial and property investment solutions and tools through its multi-purpose platform, designed to offer a simple and seamless user experience.

Role Summary:

We are seeking an experienced and results-driven head of collections to lead our debt recovery and collection’s function. The ideal candidate will play a critical role in minimizing financial risk, improving cash flow, and ensuring compliance with regulatory standards in the Kingdom of Saudi Arabia. Working in a dynamic fintech startup environment, the head of collections will develop and implement strategies, manage a team, and collaborate closely with internal departments to optimize recovery performance while maintaining a customer-centric approach.

Key responsibilities:

1. Develop and execute collection strategies for early, mid, and late-stage delinquent mortgage accounts.

2. Monitor and manage daily operations of the collections team, including setting targets, coaching, and performance reviews.

3. Analyze collection performance data and provide actionable insights to senior leadership and credit function.

Location: Santa Ana, California 

Type: Part-Time (20-30 hours per week)

Salary: $30 per hour

Company Overview:
eJam is a dynamic, privately-owned e-commerce, marketing & advertising company with a strong focus on AI and marketing training. We thrive in high-velocity environments where creativity meets operational discipline. As we continue to scale, we’re seeking a creative operations pro to bring structure and execution muscle to our creative production workflows.

Role Summary:
We’re looking for a Creative Project Coordinator — someone who thrives on bringing clarity, structure, and precision to fast-moving creative environments. You’ll serve as the link between strategy, production, and post-production teams, ensuring every deliverable is on track, every deadline is met, and every stakeholder is aligned. If you excel at turning creative chaos into seamless execution, this role is for you!

Key Responsibilities: