Fullstack Engineer (Web3)

Location: New York (Hybrid)
Compensation: $200K - $300K

We are a core contributor to a high-performance, open-source blockchain ecosystem. We have pioneered the first parallelized EVM Layer 1, specifically engineered to scale Web3 applications to Web2-level performance. Our mission is to drive the mass adoption of digital assets by providing the infrastructure necessary for the next generation of global applications.

As a Fullstack Engineer, you will be at the epicenter of this evolution. You will not just be building features; you will be shaping the future of decentralized technology by empowering ecosystem partners to launch high-impact dApps. From decentralized exchanges (DEXs) and gaming to AI and DePIN, you will work across diverse domains to push the boundaries of what is possible on-chain.

What you’ll do:

DevOps Engineer - Global Fintech & Digital Money Platform

Location: Remote - They would prefer people in NYC but will accept people in Europe or Puerto Rico

Compensation: $180K - $250K

Join a lean and mighty team of passionate builders and veteran founders, backed by top-tier investors in fintech and crypto. We are building a cutting-edge platform at the intersection of real-world payments and digital money, empowering the next generation of financial products globally.

We are looking for a DevOps Engineer to deliver massive impact by owning and scaling our critical infrastructure. You will be a key driver of the technical roadmap and architectural decisions for a product rapidly scaling to millions of end-users.

The DevOps Engineer will play a critical role in managing, scaling, and securing our multi-cloud infrastructure, ensuring rapid, reliable deployments for a high-performance financial product.

Lead Blockchain Payments Engineer - Fiat Ramps & Financial Infrastructure

Location: Full-time, In-person — London, UK

Compensation: $250K - $300K

Join a team of elite builders and a high-growth software company redefining what is possible in the fintech and crypto space. We operate with a philosophy of speed, ownership, and talent density, driving towards a future where financial flows are seamless and instantaneous.

As the Lead Blockchain Payments Engineer, you will be a core architect and owner of our essential financial infrastructure. This high-impact role requires you to design and scale the core services that power seamless fiat ↔ crypto flows, real-time risk decisions, and rock-solid financial records for a high-volume, global platform.

You will act as a backend and onramp specialist, leading the development of high-throughput, low-latency distributed systems that manage the entire financial lifecycle from user deposit to on-chain settlement.

Network Infrastructure Engineer - AI Data Platform

Location: Hybrid - Ashburn

Compensation: $125K - $150K

Join a lean, technical team building the critical infrastructure that delivers massive amounts of web data to companies training the world’s most powerful AI models. We operate a vast distributed crawler, granting unique access to high-quality public web data at a global scale. Our work involves building advanced pipelines for ingesting, segmenting, and annotating billions of videos, transcripts, and audio files, directly powering dataset creation for frontier AI labs.

We are looking for a talented Network Infrastructure Engineer with significant experience in infrastructure and network architecture design. You will be responsible for building and maintaining the robust physical and cloud infrastructure that powers our AI-driven platform. Your work will directly impact the efficiency, security, and performance of our systems at massive scale.

This role requires deep expertise across network architecture, physical deployment, cloud services, and automation (Infrastructure as Code).

Infrastructure & Platform Engineer Job Posting

Location: New York City (Office)

Compensation: $185K - $250K

Join a cutting-edge team building high-performance financial systems on a rapidly growing platform! We are seeking an experienced Infrastructure & Platform Engineer to help shape the core components of our scalable, real-time infrastructure.

You will be joining our Infrastructure & Platform team, which is focused on designing, deploying, and operating core components—including compute, storage, and networking—for scalable, high-performance systems and services. Your work will directly support a transformative project that is critical to the broader crypto derivatives market, giving users more flexibility in collateral management and expanding the capabilities of our platform.

What You'll Do:

DevOps Engineer (FinTech & High-Performance Systems)

Location: Remote - Fully Remote throughout EU

Compensation: $95K - $105K

We are seeking to revolutionize the FinTech industry and establish a new paradigm for financial technology. We need the best minds to help us achieve this ambitious goal.

As a DevOps Engineer, you will work directly with our engineering team in a fast-paced, high-stakes environment, tackling complex infrastructure problems. You are obsessed with achieving good architecture, efficiency, and resilience, aiming for nothing but the best product for our customers. Your speed, delivery capability, and knack for elegant solutions will make you a pillar of our engineering team.

You will be instrumental in designing, building, managing, and automating the high-availability infrastructure that powers our core financial and crypto services. This role demands deep technical expertise combined with a passion for continuous delivery and security.

What You’ll Be Working On

We are a fast-growing tech company with a portfolio of SaaS products serving diverse industries. Innovation, performance, and design precision are core to our values. As we scale, we are looking for talented Senior Fullstack Developers to join our team and take a key role in crafting highly performant, maintainable, and user-focused web applications.

Key Responsibilities
 

• Contribute to both backend (NestJS) and frontend (NextJS) systems by designing and building scalable, secure, and maintainable features, while leading architecture decisions across services, APIs, and cross-stack boundaries. 

• Champion clean code, modular design, and testability through active contribution, reusable components, and mentoring. 

• Drive system-level decisions around performance, observability, and scalability, and ensure alignment between product goals and technical implementation. 

• Own and enforce code quality via reviews, maintain CI/CD reliability, and collaborate closely with DevOps to ensure release stability and consistent environments. 

• Monitor and optimize system performance, define logging and alerting standards, and lead incident response and continuous improvement efforts. 

• Work closely with product, QA, and designers to unblock delivery, while mentoring engineers and fostering technical alignment across squads.

Requirements

Founding Engineer, Full Stack (Product-Minded)

Full-time | On-site

Location: San Francisco

We are building a unified platform that streamlines the use of large language models (LLMs) to build and deploy applications at scale. We are seeking a Founding Full Stack Engineer to own the entire application layer, driving developer productivity by providing a single pane of glass for data collection, model evaluation, training, and deployment.

As a Founding Engineer, you will be a product-minded generalist responsible for the entire feature lifecycle. You'll primarily focus on the backend systems that interface with our core machine learning (ML) stack, ensuring a scalable and reliable platform for our customers.

What You'll Do:

Staff/Senior/Principal Software Engineer (Elixir/AI Focus)

Location: Remote (with occasional travel)

Base Location: Salt Lake City, UT, US

Employment Type: Full-time

Salary Range: $150K - $260K (Based on YOE; potential flexibility for more tenured candidates)

We are a rapidly growing, well-funded technology company trusted by enterprise clients, developing a leading AI-powered platform for a specialized professional sector. Join our small, highly efficient engineering team to take ownership of complex systems and ship features quickly in a high-velocity, modern tech stack environment.

We are looking for a Staff, Senior, or Principal Software Engineer with a strong background in software engineering leadership to drive the design, implementation, and reliability of our core product. You will take full ownership of features from concept to production in a distributed, modern stack.

What You’ll Do:

Staff Software Engineer, Machine Learning (LLM Backend)

Location: Burlingame, CA (On-site, 4 days/week)

Employment Type: Full-time

Salary Range: $145K - $250K

We are a rapidly growing AI technology company transforming mission-critical processes in the healthcare industry. We are seeking a Staff Software Engineer to architect and scale the secure, reliable backend systems that power our advanced Large Language Model (LLM) applications. This role requires expertise at the intersection of applied AI, distributed systems, and security/compliance in a regulated domain.

You will be responsible for pushing LLMs beyond demos into mission-critical, cost-efficient, and secure production healthcare workflows. This is a technical leadership role driving the end-to-end delivery of core ML/LLM systems.

Key Responsibilities: