Source Job

$225,000–$225,000/yr
United States

  • Design and implement robust, high-performance systems in Rust to secure OT environments.
  • Optimize existing software architectures and participate in all phases of the development lifecycle.
  • Mentor engineers and lead architectural decisions to foster continuous learning and improvement.

Rust PostgreSQL Elasticsearch Kubernetes Docker

15 jobs similar to Principal Software Engineer - Backend

Jobs ranked by similarity.

$192,000–$192,000/yr
US

  • Design and implement robust, high-performance systems and tools in Rust.
  • Optimize existing software architectures to enhance speed and efficiency.
  • Actively participate in all phases of the development lifecycle, including debugging and optimization.

Dragos is a global leader in operational technology (OT) cybersecurity, protecting critical infrastructure from cyber threats. They have a remote-first, mission-driven team across multiple continents, built on authenticity, transparency, and trust.

$165,000–$165,000/yr
US

  • Design and implement robust, testable, high-performance systems and tools in Rust.
  • Optimize existing software architectures to enhance speed and efficiency.
  • Actively participate in all phases of the development lifecycle, including debugging and optimization.

Dragos defends industrial organizations that provide necessities like running water and electricity. As a remote-first market leader in ICS/OT Cybersecurity, the company has operations in North America, Europe, the Middle East, and APAC, and values authenticity, transparency, and trust.

$64,800–$86,400/yr
EMEA

  • Develop and maintain high-performance backend services and platform components using Rust.
  • Design and implement scalable APIs and asynchronous microservices for distributed systems.
  • Collaborate with Product, DevOps, and Security teams to integrate cybersecurity features and ensure robust, secure solutions.

Exein builds the security layer for a world where physical and digital threats converge, from kernel-level runtime protection on embedded devices to cloud-native platforms. They are a growing company with a culture of technical excellence, continuous learning, and inclusive collaboration.

$150,000–$185,000/yr
US Unlimited PTO

  • Build a durable, multi-source ingestion pipeline that connects to external sources, transforms and deduplicates events, and routes them to specialized stores.
  • Develop a web application for visualizing and querying data, including interactive views.
  • Design a data access layer spanning relational, graph, and analytical stores, respecting each engine's strengths.

Founded in 2019, Reveal is a startup delivering software tools and intelligence for operators in remote, extreme environments. They provide a tactical intelligence platform for defense and security missions, and are scaling their team to meet the demands of modern warfare.

$114,300–$139,700/yr
UK

  • Design, develop, test, monitor and maintain backend services for our systems.
  • Build clean, efficient, and well-documented APIs for web and mobile applications.
  • Write high-quality, maintainable code with a focus on reliability, scalability, and performance.

Midnite is a next-generation sports betting and gaming platform built for a new wave of players. With over 400,000 players and a high-performance team, we operate at pace with high ownership and constant iteration.

$190,000–$205,000/yr
US Canada

  • Design, build, and maintain scalable backend services and APIs using Python and Django.
  • Develop and optimize data storage solutions with PostgreSQL and Redis, ensuring reliability and performance.
  • Implement Elasticsearch for search and analytics, and architect distributed systems for high-throughput workloads.

Avive Solutions, Inc. is a growth-stage Automated External Defibrillator (AED) company developing a connected response system to improve survival from sudden cardiac arrest. The mission-driven team is rapidly gaining market share and focused on innovative hardware and software solutions.

India

  • Lead the design and evolution of highly scalable backend platforms.
  • Combine hands-on engineering expertise with architectural leadership.
  • Mentor engineering teams and establish engineering standards.

Our partner is a technology company building scalable backend platforms. They are a growing organization with a focus on engineering excellence and collaboration.

Global

  • Own end-to-end backend architecture for an AI platform transitioning from prototype to production-grade.
  • Design and evolve extraction pipelines, multi-provider LLM abstraction, and async worker systems.
  • Lead engineering leadership, mentor senior engineers, and drive technical roadmap.

$101,144–$174,591/yr
US

  • Develop and maintain backend services for modeling, simulation, and analytical workflows.
  • Design and implement RESTful APIs and data pipelines for large-scale data handling.
  • Collaborate with analysts, data scientists, and engineers to align backend capabilities with mission objectives.

LMI is a digital solutions provider for federal agencies, accelerating government impact with innovation and speed across defense, space, healthcare, and energy sectors. Headquartered in Tysons, Virginia, the company emphasizes collaboration and agility in its culture.

Europe

  • Design and build mission-critical trading systems using Rust and AWS.
  • Take ownership of high-impact trading infrastructure and set technical direction.
  • Drive continuous improvement in system performance, reliability, and operability.

Keyrock is a highly-profitable firm specializing in capital markets and trading systems. They operate with a global, fully-remote team and emphasize a fast-paced, collaborative culture.

$120,000–$190,000/yr
US Unlimited PTO

  • Design and develop scalable backend services and APIs for identity verification and security workflows.
  • Own database architecture, schema design, and query optimization for reliable system performance.
  • Partner with product and design teams to deliver secure, customer-focused features.

Our partner builds identity verification and account protection solutions for a fast-growing platform. They operate as a remote-first engineering team with a collaborative culture.

Europe

  • Design and build scalable backend services using Python, AWS, and Kubernetes to improve developer productivity.
  • Lead technical initiatives across the engineering organization with 7–10 years of experience.
  • Work on production AI/LLM applications and microservices architecture in a fully remote European team.

Codeminders develops cutting-edge software solutions for high-tech companies, focusing on AI, mobile apps, video conferencing, and cloud computing. They collaborate with world-class engineers from the US and Ukraine and uphold strong ethical standards with no business ties to Russia or Belarus.

Global

  • Design and optimize scalable APIs and distributed services for mission-critical fraud detection technology.
  • Investigate complex technical issues through root cause analysis and performance testing.
  • Collaborate cross-functionally to deliver robust, production-ready solutions while mentoring junior engineers.

The hiring partner company builds high-performance backend systems for real-time fraud detection technology used by organizations worldwide. The engineering team is globally distributed and values technical excellence, autonomy, and knowledge sharing.

UK

  • Lead the design and development of scalable backend services using Java and serverless technologies.
  • Architect RESTful APIs and event-driven systems for high-performance distributed applications.
  • Mentor junior developers and collaborate with cross-functional teams to deliver innovative solutions.

Turnitin is a recognized innovator in global education, partnering with educators and institutions for over 25 years to develop learning integrity solutions. With over 16,000 academic institutions and team members in over 35 countries, they foster a remote-first culture that empowers employees.

Global 4w PTO

  • Develop and maintain backend services and APIs in Go
  • Design and optimize PostgreSQL schemas and queries for high-volume data
  • Build reliable orchestration and integration layers across internal and third-party systems

Oneleet is a security and compliance platform that helps companies build, manage, and monitor cybersecurity programs and achieve compliance standards such as SOC 2 and ISO 27001. Having raised a $33 million Series A, we are rapidly growing with a team of experienced security professionals and a culture of autonomy and impact.