Principal Software Engineer - Blockchain Wallet Infrastructure

Location: Remote - Location: European Union (remote-first, office optional) Paris/ France is always preferred. Or as close as possible.

Compensation: $145K - $240K

We are a stellar team of leaders and experts building the backbone of blockchain wallet infrastructure for the next financial era, specializing in cryptography, security, and distributed systems. We are seeking a Principal Software Engineer to lead the design, development, and scaling of our core backend systems. This is a high-impact, leadership role focused on making key architectural decisions and ensuring our platform is fast, resilient, and secure under the high-stakes demands of financial workflows.

You will own mission-critical projects end-to-end, acting as a technical leader who drives engineering standards and the long-term vision. This role involves deep technical execution alongside strategic collaboration with product, security, and executive leadership to align technical roadmap with business goals.

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:

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:

Backend Software Engineer - Payments & Digital Money

Location: New York (Hybrid)

Compensation: $150K - $180K

We are a lean and mighty team of passionate builders, funded by top investors in fintech and crypto, focused on empowering the next generation of money and financial products globally. We are seeking a Backend Software Engineer to join us at the cutting edge intersection of real-world payments and digital money, where you will deliver massive impact within a small, quickly growing company.

You will be a critical part of defining our technical and product roadmap, contributing directly to our core backend infrastructure. This role involves rapid feature shipping, large-scale system scaling, and integrating with diverse third-party services and smart contracts across multiple chains. You will have the freedom to explore ideas, impact the company's vision, and grow into the role that best aligns with your personal goals.

What You'll Do:

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:

Staff Backend Engineer

Location: London or New York City

Onsite | Full-time

Compensation: competitive

Our client is a high-performance technology development firm responsible for building and operating the infrastructure behind the world’s largest and most active digital asset launchpads. Processing approximately $1B in daily volume, the platform operates at the bleeding edge of crypto scale, requiring systems designed for ultra-low latency, high throughput, and constant high-concurrency load.

The organization is seeking a Lead Backend Engineer to own the most complex technical challenges across the system. This is a high-stakes, high-impact role within an intense, in-person environment. The team is composed of high-agency builders who value speed, immediate impact, and rigorous engineering judgment. This position is ideal for an engineer who thrives under pressure and is motivated by the opportunity to solve ambiguous, cross-cutting problems that others cannot.

Key Responsibilities

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

Welcome to PXGEO

PXGEO is an innovative marine geophysical service provider combining the strengths of ocean bottom and towed streamer seismic data acquisition techniques to deliver seamless subsurface imaging for a sustainable future.

What’s the role?

The position will support day‑to‑day project accounting, financial reporting, and cost control activities—gaining valuable real‑world experience across accounts payable, receivables, capital expenditures, and project financials.

This role is ideal for recent graduates who are detail‑oriented, eager to learn, and excited to grow within a dynamic, international environment. This position will provide exposure to global marine operations and large-scale seismic projects while receiving hands-on training in ERP systems, project accounting, and financial controls along with the opportunity to collaborate with multidisciplinary teams across finance, operations, and offshore crews to build a strong foundation for future careers in accounting, financial analysis, project control, or operations finance. The selected candidate will also have the opportunity to experience other sub-departments within finance.

Key deliverables include:

Project Accounting & Financial Operations

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:

Staff Software Engineer - Distributed Ledger Execution

Location: Remote - US

Compensation: $ Competitive

We are a fast-growing software company committed to supporting, developing, and servicing an open source, proof-of-stake platform. This EVM-compatible Distributed Ledger Technology (DLT) is specifically built to meet the needs of enterprise and Web3 applications, prioritizing speed, security, stability, and sustainability. We are seeking a Staff Software Engineer to be a technical leader on our core Execution Team.

You will be responsible for delivering software services, business logic, and APIs within the core Consensus Node—the heart of our DLT. This is a high-impact role requiring deep passion for solving technical challenges involving distributed execution, state management, transaction lifecycles, and economic systems (fees, rewards). You will drive technical direction, optimize performance, and mentor engineers within a highly collaborative, open-source environment.

Key Responsibilities: