Mission Operations - Full-Stack Developer, CI/CD & Test Environments (rust)
This role seeks a Full-Stack Developer passionate about CI/CD and test automation to join the Mission Operations Ground DevOps team. Key responsibilities include developing and maintaining mission-critical ground software for satellite command and control, establishing robust CI/CD pipelines, and building representative test environments. The developer will ensure seamless integration, testing, and deployment of software components across the full development lifecycle.
Language Tools Engineer
Macroscope is seeking a Language Tools Engineer to enhance their AST Walkers and Code Review product. Key responsibilities involve improving LLM response precision by utilizing abstract syntax trees (ASTs) and deep language knowledge to provide context for AI prompts. The role focuses on designing custom language tooling, building analyzers/AST parsers, and ensuring system evolution alongside language standards.
Full-Stack Engineer
Provable is seeking exceptional full stack engineers to help build the world sleading developer platform for zero-knowledge applications, focusing on the Aleo ecosystem. Key responsibilities include designing and implementing scalable data pipelines, architecting new frameworks, and shipping production-ready code. Candidates must have proficiency in Typescript and 5+ years of engineering experience with a strong foundation in blockchain concepts.
Senior Developer Advocate
The Senior Developer Advocate will join the Developer Relations team to drive developer enablement for strategic customers, focusing on encouraging adoption and effective use of MongoDB solutions. Key responsibilities include hosting virtual/in-person engagement sessions, developing expertise in schema design, and creating educational content. This is a UK/Europe based, remote role primarily engaging with customers in that region.
Senior Software Engineer, Payments
The Senior Software Engineer, Payments will join the core engineering team to design and implement the robust back-end infrastructure for Dakota's blockchain-integrated banking platform. Responsibilities focus on payment processing and operations, tackling high-visibility projects that directly impact financial products. The role requires strong Golang skills and the ability to drive engineering projects within a fully remote, global team.
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Senior/staff Backend Engineer, Identity Platform
The role involves owning and evolving the core authentication infrastructure for Phantom's self-custodial wallet, focusing on the Auth stack, MFA methods, and key-management services. Responsibilities include architecting production-grade improvements to authentication systems (like Passkey/WebAuthn) and designing secrets management systems. This work is crucial for reducing account-takeover risk and providing rock-solid identity foundations for all product teams.
Member of Technical Staff - Python SDK
Modal is seeking strong engineers experienced in building developer tools that users enjoy. The role focuses on developing high-quality Python libraries with broad user bases, leveraging advanced Python features like async programming. The ideal candidate must possess a strong product sense, focus on developer ergonomics, and demonstrate high customer empathy by working directly with users to solve problems.
Senior Site Reliability Engineer
The Senior Site Reliability Engineer will join a software engineering organization focused on building and running large-scale, distributed systems with a focus on resilience and automation. Key responsibilities involve designing scalable architecture, writing production-grade code for automation and CI/CD, participating in 24/7 incident response, and proactively optimizing performance and capacity. A major focus will be applying AI to build intelligent, automated reliability platforms and leveraging AI tools in the daily workflow.
Senior Software Engineer, Solana
0x is hiring a backend-focused Senior Software Engineer for their Solana DEX aggregation teams to build cutting-edge AMM routers for optimal price discovery. Responsibilities include being an individual contributor, leading technical projects, designing and maintaining services like blockchain event streaming and DEX routing algorithms, and ensuring high-quality, secure code delivery. Candidates should have 7+ years of experience solving complex distributed computing problems and a passion for DeFi.
Senior Software Engineer, Ads
Discord is hiring a Senior Software Engineer for their Ads team to design, build, and maintain new Ads products and infrastructure, collaborating across engineering disciplines. The role requires strategic partnership with leadership to scale digital advertising features that drive revenue and engagement. Candidates should possess 4+ years of experience, including 2 years in relevant roles, with domain knowledge in the ad delivery space.
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Maritime - Senior Software Engineer
Senior Software Engineers drive the delivery of software integrated into defense technology products, focusing on autonomy, simulation, data processing, and command/control systems. Responsibilities include demonstrating end-to-end outcome ownership for subsystems, architecting next-generation autonomous platforms, and developing scalable software across the product lifecycle. The role requires technical leadership and collaboration within a multi-disciplinary engineering team.
Senior Software Engineer - Cloudflare One
The Senior Software Engineer will join a team building critical features for Cloudflare One’s Zero Trust security platform, including ZTNA, SWG, and CASB offerings. Responsibilities involve designing and delivering scalable distributed systems using technologies like Go, Rust, and Python, while collaborating across engineering teams. The role requires passion for building mission-critical products and thinking about the impact on customer needs in a fast-paced environment.
Senior Tactical C2 Software Engineer, Web Backend Systems
The Senior Tactical C2 Software Engineer will be responsible for architecting and building ground control automation software, implementing user interface applications from backend to frontend, and deploying them to meet user requirements. Key activities include designing, building, testing, and deploying real-time moving-map user interfaces for commanding autonomous systems. Engineers work with modern full-stack technologies across Cloud (React/AWS) or Embedded platforms.
Senior Systems Engineer, Pipelines
The Senior Systems Engineer will focus on Cloudflare's storage and database products, shaping industry-leading services by leveraging the global network for performance and data residency. Responsibilities include owning code from inception to release, architecting globally distributed data consistency models, optimizing storage engine performance, and designing novel APIs, working with languages like JavaScript, TypeScript, Rust, and C++.
Software Engineer, R2 Storage
The Software Engineer will help build the next generation of Cloudflare's globally distributed R2 object storage system. Responsibilities include owning code from inception to release, delivering solutions across the software stack, writing design documents, implementing features, and fixing bugs. The role involves interacting with languages and technologies such as Rust, Go, and TypeScript while working in a fast-paced environment.
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Senior Software Engineer
Hologram is seeking two skilled full-stack Senior Software Engineers to build and optimize complex systems for IoT connectivity, processing billions of transactions monthly. Key responsibilities include designing data pipeline architecture, building high-throughput backend services using Kafka, developing APIs, and owning end-to-end feature delivery. The role requires 5-8+ years of experience, with deep expertise in backend systems and modern technologies like Python, Go, and Rust, alongside a strong focus on technical excellence and architectural decision-making.
Senior Software Engineer (TypeScript)
Magna is seeking a Senior Software Engineer to expand its product suite (React + PostgreSQL) serving the Web3 token management infrastructure space. Responsibilities include shipping new features, architecting high-performance solutions to operate at scale, and collaborating closely with product and design teams. Candidates should have a minimum of 5 years of experience in fast-paced teams and familiarity with the TypeScript/Postgres stack.
Senior Systems Engineer, Cloudflare Data Platform
This Senior Engineer role focuses on Cloudflare's storage and database products within the Emerging Technologies & Incubation department, specifically extending teams working on R2 Data Catalog and R2 SQL. Responsibilities include architecting distributed data consistency models, optimizing storage engine performance, and designing novel APIs, requiring ownership from inception to release across the full software stack. Candidates should have a minimum of 6 years of experience with distributed systems and strong fundamentals in computer science.
Senior Software Engineer, Zero Trust Client
The role seeks a Senior Software Engineer to join the Zero Trust team, focusing on developing the desktop client using Rust and platform-native languages to securely route device traffic to Cloudflare's network. Key responsibilities include implementing high-performance networking code, improving code quality, and building well-documented, testable foundations. Success in this role requires a strong understanding of operating system concepts, networking protocols, and experience writing complex, multithreaded, asynchronous code.
Senior Software Engineer
Picogrid is hiring a Senior Software Engineer to design, build, and deploy high-performance, scalable backend systems and integration tools for the Legion Platform. This role involves solving complex, system-level challenges for real-world military missions. Candidates must have 5+ years of backend engineering experience, strong skills in distributed systems, and the ability to operate with urgency and high engineering standards.