Senior Firmware Engineer (Blockchain Hardware)

Location: Based UTC -9 and +1

Compensation: $120K - $165K

We are looking for a Senior Firmware Engineer to develop, design, and optimize firmware for our cutting-edge cryptocurrency hardware wallets. In this role, you will be at the intersection of high-stakes security and embedded systems, collaborating closely with hardware and software teams to deliver secure, reliable, and highly efficient firmware solutions.

You will be responsible for the "brain" of our devices, ensuring that our users' digital assets are protected by battle-tested code. From architecting multi-threaded applications to ensuring seamless hardware-software compatibility, you will play a vital role in maintaining and improving both current and next-generation security devices.

Key Responsibilities:

Senior Backend Engineer (Rust/C++ – DeFi & Fintech)

Location: Fully Remote - EU timezone Type: Full-Time

Compensation: competetive

We are looking for a Senior Backend Engineer to lead the architecture and development of the core systems powering a next-generation decentralized exchange (DEX) and network. This is a high-impact role where you will go beyond writing code—you will design resilient, secure, and low-latency systems capable of processing high-frequency trading data in real time.

We are a dynamic, fully remote team with an ambitious roadmap and a relentless drive to redefine the future of finance. The ideal candidate thrives at the intersection of DeFi, Systems Engineering, and High-Performance Computing. If you have a deep commitment to code quality and a passion for building mission-critical infrastructure, we want to hear from you.

Key Responsibilities:

Azumo is looking for a versatile and experienced Senior Software Engineer to join our team. You will work focused on the identity space, contributing to the design, development, and maintenance of a full suite of Edge software. The position is based remotely in Latin America.

This position will give you the opportunity to collaborate with a growing team of bright engineering minds. You will enjoy the role if you are a well-rounded engineer comfortable working across different technologies, ready to own entire projects from start to finish, and eager to develop a new security product for a large market from the ground up.

While the core components are primarily written in Rust, we value engineers with diverse language backgrounds (such as C# or Go) who can adapt and contribute effectively to the technology stack.

Requirements

Basic Qualifications:

Principal Software Engineer, Backend Infrastructure (Remote, US)

Location: US (remote-first, office optional). Must be in the US, not Canad. EST Preferred

Compensation: $220K - $300K

Are you a technical leader ready to build the next generation of financial infrastructure?

Join a stellar team of leaders and experts in blockchain technology, cryptography, infrastructure, and security to build the backbone of secure, resilient systems for the evolving financial era. We are hiring a Principal Software Engineer to lead the design, development, and scaling of our core backend systems. This is a high-impact, remote-first role for someone who excels at setting technical direction and owning critical projects end-to-end.

As a Principal Software Engineer, you will be more than just a coder; you will be a key driver of technical strategy and execution. You will own mission-critical projects while setting the technical direction and ensuring our platform is fast, resilient, and secure under the high-stakes demands of financial workflows.

Senior Infrastructure Engineer - High-Performance Blockchain Services

Location: New York, San Francisco (Office)

Compensation: $200K - $400K

Join the Infrastructure & Platform team at a high-growth crypto derivatives exchange that is rapidly capturing market share in a multi-billion dollar annual sector. Our current focus is on building a multi-asset margin feature that leverages blockchain technology to allow users to post variable forms of collateral, which is essential as multi-asset margin comprises over 86% of crypto accounts.

You will play a pivotal role in designing, architecting, and deploying highly reliable, scalable blockchain services with lightning-fast performance. You will lead the development of mission-critical core infrastructure that powers our products, enabling us to bring financial venues directly to the user.

The Senior Infrastructure Engineer will be responsible for building the core components of a high-throughput, low-latency distributed system, focusing heavily on performance and cryptographic integrity.

About Us

At Zyte, we eat data for breakfast and you can eat your breakfast anywhere and work for Zyte. Founded in 2010, we are a globally distributed team of over 250 Zytans working from over 28 countries who are on a mission to enable our customers to extract the data they need to continue to innovate and grow their businesses. We believe that all businesses deserve a smooth pathway to data.

For more than a decade, Zyte has led the way in building powerful, easy-to-use tools to collect, format, and deliver web data, quickly, dependably, and at scale. And today, the data we extract helps thousands of organizations make smarter business decisions, secure competitive advantage, and drive sustainable growth. Today, over 3,000 companies and 1 million developers rely on our tools and services to get the data they need from the web.

Zyte is seeking an experienced Team Lead to manage our Core & MLOps Squad, responsible for "Building the bedrock infrastructure that powers Zyte at scale." This hands-on technical leadership role requires expertise across MLOps, systems programming, and orchestration to lead a cross-functional team in designing and maintaining the scalable foundation that enables all Zyte teams to build and run their services with confidence.

Requirements

About Us

At Zyte, we eat data for breakfast and you can eat your breakfast anywhere and work for Zyte. Founded in 2010, we are a globally distributed team of over 250 Zytans working from over 28 countries who are on a mission to enable our customers to extract the data they need to continue to innovate and grow their businesses. We believe that all businesses deserve a smooth pathway to data.

For more than a decade, Zyte has led the way in building powerful, easy-to-use tools to collect, format, and deliver web data, quickly, dependably, and at scale. And today, the data we extract helps thousands of organizations make smarter business decisions, secure competitive advantage, and drive sustainable growth. Today, over 3,000 companies and 1 million developers rely on our tools and services to get the data they need from the web.

Zyte is seeking an experienced Team Lead to manage our Core & MLOps Squad, responsible for "Building the bedrock infrastructure that powers Zyte at scale." This hands-on technical leadership role requires expertise across MLOps, systems programming, and orchestration to lead a cross-functional team in designing and maintaining the scalable foundation that enables all Zyte teams to build and run their services with confidence.

Requirements

Robusta Technology Group (RTG) is a key driver of digital transformation by providing a holistic tech ecosystem. RTG works with its local and international partners to help build digital customer experiences, establish remote engineering hubs and build ventures across multiple industries and domains. In this pursuit, RTG serves as a catalyst for impact and growth through events, spaces and content focused on creating impact and growth across the different interactions. 

Robusta is a tech agency working with a diverse client base across different sectors & industries on implementing digital transformation programs. Engagements are typically focused on digitization of existing operations & processes and/or activation of digital customer engagement channels. With a team of 100+ tech and market consultants, robusta maintains an impactful footprint across EMEA and engages with its clients through its two key operations hubs in Egypt and Germany. 

Responsibilities:

Senior Software Engineer (Backend, AI Infrastructure)

Location: Remote - US only

Compensation: $180K - $300K

We build mission-critical infrastructure that delivers massive amounts of public web data to the companies training the world’s most powerful AI models. Our unique architecture leverages a massive, distributed bandwidth-sharing network to operate a large-scale global crawler, granting us access to high-quality public web data at scale. On top of this, we've built complex pipelines for ingesting, segmenting, and annotating billions of files, including videos, transcripts, and audio, empowering frontier AI labs with essential datasets.

We are a lean, technical team that moves fast, prioritizing high output and low ego. We are seeking a Senior Software Engineer (Backend) with deep expertise to architect scalable solutions and drive technical excellence as we push the boundaries of open web data and AI.

You will join a small, talented team to lead the design and implementation of highly scalable backend systems. Your expertise will be crucial in ensuring the robustness and maintainability of the infrastructure that supports our massive distributed crawler and data processing pipelines. You will play a critical role in shaping the evolution of the internet's role in AI development.

What You'll Be Doing

Description

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?

This role will be part of our Manta Technology team and will be responsible for leading the design and implementation of advanced user interfaces for Digest core applications. This position will play a critical role in transforming complex operational processes into an automated and consolidated operation. In addition, this position will ensure that all front-end components meet the rigorous demands of offshore environments and align with PXGEO’s seismic acquisition workflows. The role requires technical leadership, architectural ownership, and a commitment to delivering production-grade software that drives operational excellence across global marine deployments. Key responsibilities include: