Source Job

US

  • Improve core inference services including networking, speech processing, audio transcoding, and latency optimization.
  • Develop processes for measuring, building, and optimizing services to maximize system performance.
  • Debug complex system issues involving networking, scheduling, and high performance computing interactions.

Rust C++ Python Git

16 jobs similar to Backend Software Engineer

Jobs ranked by similarity.

$166,708–$298,340/yr
Global

  • Work directly with customer engineering teams to design and implement real-time applications on the LiveKit platform.
  • Architect scalable solutions for voice AI and developer platforms, building prototypes and reference implementations.
  • Debug production issues, lead technical workshops, and translate customer needs into product improvements.

LiveKit builds infrastructure for the agentic era of computing, enabling developers to build, test, deploy, and scale AI agents in production. Founded in 2021, the company powers voice and agentic AI for leading enterprises like OpenAI, Salesforce, and Meta, with a focus on innovation and collaboration.

US

  • Own the technical design and delivery of subsystems in a high-throughput, low-latency inference platform.
  • Develop robust API layers and SDKs that abstract complex distributed inference orchestration.
  • Build and harden a multi-tenant control plane for metering, rate limiting, and tenant isolation.

Stack develops revolutionary AI and autonomous systems to enhance safety and efficiency in trucking. The team has decades of experience deploying real-world systems and is committed to inclusion, entrepreneurship, and innovation.

Global

  • Own architecture and write core low-latency code in Rust for validator submission and network routing.
  • Cut latency through optimal algorithms, data structures, and OS-level performance tuning.
  • Lead multi-region rollout on bare-metal and cloud, automate releases, and own latency/uptime SLOs.

P2P.org is the largest institutional staking provider with a TVL of over $10B and a 20%+ market share in restaking. We unite talented individuals globally and share a passion for decentralized finance.

$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.

Global

  • Design, build, and maintain MCP servers and tools in Rust to shape how AI agents interact with federated graphs.
  • Ship customer-driven improvements weekly and engage directly with users to influence the roadmap.
  • Own projects end-to-end while contributing to codebase health, bug fixes, and operational reliability.

Apollo builds tools for GraphQL platforms used by companies like Netflix. The team is collaborative and focused on growth, aiming to change how software is built.

Ireland

  • Influence the technical direction for critical systems and see code live in production within minutes.
  • Write and review high-quality, well-tested code to create a stable product and stress-free codebase.
  • Own problems end-to-end, from development to production, and respond to customer feedback to improve solutions.

Tines provides an intelligent workflow platform that applies AI, automation, and integration to drive business results. The company serves a diverse range of customers from startups to public companies, fostering a culture of Simplicity, Speed, and Soundness.

Global

  • Apply expert-level software engineering knowledge to bug fixing, feature implementation, and codebase refactoring across multiple programming languages.
  • Analyze and enhance software codebases for clarity, maintainability, and efficiency, and collaborate with multidisciplinary teams for AI model improvement.
  • Evaluate system architecture and recommend technical strategies, delivering clear communication on findings and progress.

Our client is a rapidly growing, venture-backed AI company that helps shape the next generation of intelligent systems by combining world-class human expertise with machine learning workflows. Backed by over $40 million in funding, the company works with a rapidly expanding international network of experts to build critical human intelligence infrastructure for the AI economy.

Europe 5w PTO

  • Design and deliver features across the script preview and voice orchestration stack, integrating multiple TTS providers and building recommendation systems.
  • Take ownership of features from idea to production, working with loosely defined requirements to scope, prototype, and ship solutions.
  • Build backend systems for TTS provider orchestration and frontend experiences for voice selection and pronunciation control.

Synthesia is the world's leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017 and headquartered in London, the company has raised over $530 million from premier investors and employs teams across Europe and the US, fostering a culture of building with smart, kind, and unrelenting people.

Global

  • Build and improve Nitro, the core node software powering Arbitrum, focusing on transaction execution, state management, and network performance.
  • Solve distributed systems challenges and enhance reliability, observability, and security across critical blockchain infrastructure.
  • Develop new capabilities for the Arbitrum stack, including Stylus, which enables smart contracts in Rust and C/C++ via WASM.

Offchain is pioneering blockchain scalability and security, building the Arbitrum stack that powers the leading Ethereum scaling solution. The company is backed by $124 million in funding and has a team of thinkers and doers committed to decentralized systems and a more equitable digital future.

US

  • Architect and maintain production high-traffic LLM serving systems.
  • Optimize throughput, latency, and cost for leading open-source LLMs.
  • Debug and optimize major inference engines like SGLang, vLLM, or TensorRT using PyTorch and CUDA.

We are building decentralized and confidential machine learning infrastructure to enable user-owned AI. Our team is focused on highly scalable and efficient infrastructure for open-source AI at a global scale, with a culture that values innovation and performance.

US Unlimited PTO

  • Contribute to the design, development, and optimization of onboard data aggregation and telemetry systems for the Node.
  • Work with networking and security engineers to ensure reliable communication and secure onboard systems.
  • Build and maintain network-facing software layers, design egress telemetry pipelines, and improve testing and CI/CD pipelines.

Panthalassa is a renewable energy and ocean technology company focused on capturing ultra-low-cost energy from the ocean. It is a public benefit corporation headquartered in Portland, Oregon, backed by venture capitalists and operates as an idea meritocracy.

France

  • Design and develop backend systems via REST APIs for DRM and content configuration used by other teams.
  • Improve video processing systems (scheduling, state machines, processing tasks) to transform uploads into viewable content on all devices.
  • Enhance video upload system focusing on performance, cost control, and resilience, while analyzing Big Data at petabyte scale.

Dailymotion is a video platform that provides a unique algorithm for critical thinking and safe debates, also offering video hosting and advertising services. The company has 400 employees across France, New York, and Singapore, united by a mission to innovate in the video ecosystem.

Asia

  • Optimize Spark/YARN job resource usage and build job profiling systems to identify inefficiencies.
  • Use AI coding tools to drive automation and develop tooling for cost optimization on EMR and S3.
  • Maintain monitoring systems and assist with capacity alerting for storage layers like disk and S3.

Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume. The company is trusted by over 300 million people in 100+ countries for its industry-leading security and diverse digital-asset products.

Global Unlimited PTO 6w paternity

  • Design, build, and operate backend services powering the platform for carriers and shippers in the U.S. vehicle transportation industry.
  • Own multiple backend services end-to-end, including architecture, REST APIs, databases, and asynchronous systems.
  • Mentor junior and mid-level engineers on architecture, patterns, and production readiness.

Super Dispatch is a next-generation platform redefining efficiency in the auto transport industry, offering tools like Carrier TMS, Shipper TMS, SuperPay, and Super Loadboard. It is a 100% distributed team with a remote-first culture, empowering carriers, shippers, and brokers to achieve operational excellence.

United States Unlimited PTO

  • Design and build scalable backend systems powering AI agents in real-time enterprise environments.
  • Develop agent orchestration frameworks and low-latency inference pipelines integrating LLMs and SLMs.
  • Build robust APIs and work with cross-functional teams to productionize agentic AI at scale.

Level AI is an AI-native platform that helps enterprises transform contact centers into engines of customer intelligence and operational efficiency. The company is a Series C startup backed by Battery Ventures and ENIAC, based in Mountain View, California, with a globally distributed team.

$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.