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Principal Software Engineer - EU

Job Overview

Location

Remote

Job Type

Full-time

Category

Backend Engineer

Date Posted

March 11, 2026

Full Job Description

đź“‹ Description

  • • As a Principal Software Engineer at MLabs, you will be at the forefront of building the foundational infrastructure for blockchain wallets, shaping the future of digital finance. This pivotal role demands a seasoned engineer with a passion for cryptography, security, and distributed systems, ready to lead the design, development, and scaling of core backend services.
  • • You will be instrumental in architecting robust, secure, and highly performant systems that can withstand the rigorous demands of financial workflows, ensuring the reliability and integrity of our client's platform.
  • • This is a high-impact, leadership position where you will not only be a hands-on technical contributor but also a strategic thinker, making critical architectural decisions that define the long-term technical vision.
  • • Your responsibilities will span the entire project lifecycle, from initial concept and requirements gathering through to deployment, iteration, and ongoing maintenance, ensuring mission-critical projects are delivered successfully.
  • • You will tackle complex challenges related to performance and reliability at scale, diving deep into troubleshooting and implementing solutions that enhance system stability and efficiency.
  • • A key aspect of this role involves driving engineering excellence across the team. This includes championing best practices in CI/CD, enhancing observability tools and strategies, and refining overall engineering processes to foster a culture of quality and continuous improvement.
  • • You will collaborate closely with product management, security teams, and executive leadership to ensure the technical roadmap is tightly aligned with overarching business objectives and strategic goals.
  • • As a Principal Engineer, you will serve as a technical mentor to senior engineers, sharing your expertise, fostering knowledge transfer, and guiding the team's technical development.
  • • You will also represent the company's technical direction and capabilities in client discussions, building trust and demonstrating our commitment to innovation and excellence.
  • • The ideal candidate possesses a deep understanding of backend software engineering principles, with a proven history of leadership in the fintech or blockchain space.
  • • Mastery of TypeScript is essential, complemented by proficiency in systems languages such as Rust, Go, or C++, enabling you to tackle diverse technical challenges.
  • • A strong track record of building scalable APIs, robust infrastructure, and developer platforms is crucial for success in this role.
  • • You will leverage deep expertise in databases like PostgreSQL, DynamoDB, and other NoSQL solutions, alongside extensive experience with cloud services, particularly AWS.
  • • A solid grasp of microservices architecture, CI/CD pipelines, observability best practices, and the Secure Software Development Lifecycle (SSDLC) is expected.
  • • Familiarity with applied cryptography, Public Key Infrastructure (PKI), and designing secure backend architectures is highly valued, given the sensitive nature of the work.
  • • Exceptional problem-solving skills, clear communication, and the ability to influence technical direction across the organization are paramount for this leadership position.
  • • This role offers a unique opportunity to significantly impact the development of next-generation blockchain wallet infrastructure, contributing to a secure and efficient financial ecosystem.

Skills & Technologies

TypeScript
Rust
PostgreSQL
DynamoDB
AWS
Senior
Remote
$145k-240k
Degree Required

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About MLabs

MLabs is a technology company specializing in the development and implementation of advanced laboratory automation solutions. They focus on creating intelligent systems that streamline complex laboratory workflows, enhance data accuracy, and improve overall efficiency for research and development, quality control, and clinical diagnostics. Their offerings often include robotics, AI-driven software, and integrated hardware designed to automate tasks such as sample handling, analysis, and reporting. MLabs serves a diverse range of industries including pharmaceuticals, biotechnology, and healthcare, aiming to accelerate scientific discovery and improve patient outcomes through cutting-edge automation.

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