Senior Software Engineer, Web Services
The Senior Software Engineer, Web Services will help shape the future of email by building systems and infrastructure to power Thunderbird's evolution into a suite of privacy-respecting productivity tools. Key responsibilities include leading technical initiatives, influencing product vision based on user needs, and designing, building, and maintaining services in Python and Typescript. The role requires analyzing complex email delivery issues, optimizing infrastructure for performance, and supporting service stability through occasional on-call rotation.
Senior Software Engineer, Web Services
The Senior Software Engineer, Web Services will build systems and infrastructure powering Thunderbird and develop innovative web products using leading-edge technologies like JMAP. Key responsibilities include leading technical initiatives, shaping product vision based on user needs, and designing, building, and maintaining services primarily in Python and Typescript. Candidates need significant experience in web infrastructure/service architecture, direct experience with email delivery, and the ability to own features from ambiguous requirements through to final delivery.
Scale (yc S16) - Software Engineer (robotics & Autonomous Systems)
The Software Engineer (Robotics & Autonomous Systems) will be a key contributor building production systems for robotics data collection, model training pipelines, and evaluation infrastructure. Responsibilities include owning and architecting large-scale data processing pipelines, building ML training pipelines, and developing tools for data collection and model evaluation. This role requires working across backend (Python, Node.js, C++) and frontend (React, TypeScript) stacks to deliver end-to-end solutions for cutting-edge robotics and AV customers.
Senior Software Engineer, Full-stack - Vehicle Data Platform
This Senior Full-Stack Engineer role involves leading the design and development of products and abstractions based on vehicle telematics data for Samsara's Telematics team. Responsibilities include leading technical discussions, influencing the roadmap, and collaborating across teams to ensure data ingestion, transformation, and delivery via APIs and dashboards. The engineer will work end-to-end on diagnostic data, processing real-time signals from IoT devices to enhance customer fleet safety, efficiency, and sustainability.
Test Automation Engineer
OPSWAT is seeking talented Test Automation Engineers for their Technology Development Centre in Veszprém, Hungary, to design, build, and test advanced cybersecurity products. Key responsibilities include developing integrated automated tests, creating test reporting, enabling automation transition, and maintaining test cases. Candidates must have practical experience in test automation design and solid knowledge of Python, JavaScript, or TypeScript programming languages.
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Specialist Software Architect
The Specialist Software Architect will own the product architecture, ensuring an open and extendible design while driving the adoption of relevant technology solutions. Responsibilities include actively working with scrum teams on feature design, fostering innovation, establishing engineering best practices aligned with Agile-Scrum, and contributing to next-generation product planning. This senior role requires extensive hands-on technical understanding of enterprise software architecture to deliver high-quality products used by millions.
Senior SRE
The Senior SRE will own reliability and operational excellence for Pylon's production systems, focusing on designing scalable monitoring, alerting, and incident response processes. This role splits time between writing infrastructure/automation code (50%+) and operational toil (max 50%), aiming to improve reliability rather than just maintenance. Candidates must have significant experience operating production systems at scale and deep expertise in AWS and declarative infrastructure.
Software & System Test Engineer (lead, Automation & AI-driven QA)
The role involves building and leading the automated system testing capability for cutting-edge sensing systems, focusing on defining strategy and hands-on implementation. Key responsibilities include establishing the automated testing group, integrating Hardware-in-the-loop testing, designing end-to-end test frameworks, and developing AI-driven reporting and automated workflows. The Lead Engineer will collaborate with systems and software teams to ensure product validation meets critical customer requirements.
Founding Design Engineer, AI Capability Development
This is a new, technical role requiring a mix of research, product building, and interaction design to develop paradigms that enhance human agency through AI capability building. Responsibilities include shipping production-quality features end-to-end, defining technical direction, and shaping team strategy by translating research insights into tangible product experiences. The role is highly hands-on, focusing on prototyping new interaction patterns and measuring success by user capability growth, not engagement metrics.
Software Engineer, Backend (superhuman Mail)
The Software Engineer role involves designing, developing, and scaling back-end systems that serve millions of users and powering amazing user experiences. Key responsibilities include building new features, refining solutions for high performance and reliability, and collaborating across teams on architectural evolution. Candidates should have 5+ years of experience and expertise in technologies like Go, Postgres, and Kubernetes.
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Special Projects - Octo
The role seeks an exceptional Staff AI Engineer to join the Office of the CTO's Special Projects team, focusing on building cutting-edge AI agents and models to shape product vision. Key responsibilities include defining technical vision, driving AI strategy discussions with the CTO, researching and implementing state-of-the-art AI capabilities, and architecting enterprise-scale ML infrastructure. This position requires 8+ years of software engineering experience with 5+ years building AI applications using LLMs, offering direct partnership with executive leadership and significant influence over company-wide AI strategy.
Sr. Application Security Engineer/sr. Product Security Engineer (remote)
The Sr. Application Security/Product Security Engineer will work with product and engineering teams to develop secure software, focusing on threat modeling, secure design review, and vulnerability triage. Key responsibilities include implementing security best practices throughout the SDLC, creating threat models, performing code reviews, and driving the adoption of secure SDLC solutions.
Solutions Architect (san Francisco, Ca)
Deepgram is hiring a Solutions Architect (Applied Engineer) to own complete post-sales customer engagements, focusing on resolving complex technical challenges and enhancing support infrastructure. Key responsibilities include leading technical resolution for support issues, designing systemic improvements, and creating automated solutions. This role requires a strong engineering background and involves a mix of direct customer engagement, building scalable solutions, documentation, and contributing to broader Applied Engineering initiatives.
Senior Software Engineer I, Fund Admin, Financial Reporting
The Senior Software Engineer I role is within the Fund Administration R&D team, focusing on building the next generation of software for the venture capital industry. Key responsibilities involve designing and implementing solutions for financial reporting, enabling scalable and reliable systems, and innovating on AI-enabled reporting capabilities. The ideal candidate must have professional software development experience, particularly with Python, and be a trusted partner capable of owning work end-to-end.
Senior Software Engineer, Back-end Focus
The Senior Software Engineer will develop core products and features using Ruby, TypeScript, and PostgreSQL environments, applying Scrum methodologies. Key responsibilities include writing clean, efficient code, driving architectural tasks, and providing mentorship to junior team members. This role involves heavy collaboration with cross-functional teams like Dev, Product, and QA.
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Software Engineer, Product
The Software Engineer will design, build, ship, and maintain scalable features for Cohere's AI workspace platform, North. Responsibilities include taking end-to-end ownership of features, making practical technical decisions, and collaborating across teams. The role requires strong coding abilities across the stack (Python, TypeScript/React, Postgres, Kubernetes) and a customer-focused approach to building software.
Engineering Manager, Handshake AI
The Engineering Manager will lead the Annotations Team responsible for building and maintaining tools for the data creation pipeline that trains state-of-the-art language models. Key responsibilities include shaping technical direction, mentoring engineers, and partnering with product/design to deliver end-to-end solutions. This highly cross-functional role requires leadership experience alongside a strong technical background in full-stack development (ReactJS, TypeScript, Node.js/Python) and system architecture. The team delivers reliable, scalable, and user-centric solutions crucial for AI innovation, working directly with leading AI labs.
Senior Software Engineer, Ads
Discord is seeking a highly technical Senior Software Engineer for the Ads team to design, build, and maintain new Ads products and infrastructure across the stack. This role involves acting as a strategic partner with leadership to scale digital advertising features that drive revenue growth. Key responsibilities include owning projects end-to-end, collaborating cross-functionally, and introducing coding/operational best practices.
Backend Engineer
The Backend Engineer will drive the development and delivery of high-impact, scalable, secure, and reliable payment solutions by developing, deploying, and maintaining complex software systems. Key responsibilities include collaborating cross-functionally to deliver new features, optimizing applications for speed and scalability, conducting code reviews, and identifying performance bottlenecks. This role requires 4+ years of experience and expertise in languages like JavaScript, Typescript, Python, or Go, along with experience in technologies like AWS and containerization.
Product Engineer - AI
The Product Engineer - AI will be responsible for inspiring developers by creating examples and leading experimental projects using E2B, such as Fragments and AI Analyst. This role requires the ability to ship full projects independently from 0 to 1, utilizing skills in modern web and AI technologies. The position requires at least 3 years of software engineering experience and involves working in person at the Prague office.