Join Air Apps as a Backend Software Engineer to design and maintain robust backend services for a global AI-driven planning platform. You will collaborate with cross-functional teams in Lisbon to deliver scalable solutions that support rapid growth and over 100 million downloads.
Join Air Apps as a Backend Software Engineer to design and maintain scalable services for an AI-driven personal and entrepreneurial resource planner. You will collaborate with cross-functional teams to deliver robust backend solutions that support rapid global growth. This position is based entirely at the Lisbon office, where you will work in person with colleagues. The company supports relocation efforts for candidates moving to Portugal.
You will design and maintain robust backend services that support rapid growth and critical features for over 100 million users. Working from the Lisbon office, you will collaborate with product managers and frontend developers to deliver scalable solutions using modern cloud technologies.
Join Air Apps as an AI Product Manager to shape applications that enhance user experiences through artificial intelligence. You will drive the product lifecycle for AI-driven features, working directly with engineers, designers, and data scientists in our Lisbon office. The team focuses on creating tools that help people plan, work, and live more effectively. Your input will ensure AI technologies align with both user needs and business goals while maintaining ethical standards.
Join Air Apps as an AI Product Manager to drive the roadmap for their AI-driven resource planning application. You will work directly with engineers, designers, and data scientists in Lisbon to launch and scale features that align with business goals and user needs. This position demands a strategic mindset to translate complex AI concepts into intuitive products while ensuring ethical compliance and performance optimization.
As the founding engineer for device fingerprinting, you will define the architecture and roadmap for this critical pillar of Prelude's fraud engine. You will build systems that collect and process hardware and network signals to identify fraudulent traffic in real time. Reporting directly to leadership, you will combine security research, systems engineering, and machine learning to stay ahead of attackers. This role offers the chance to establish engineering standards and eventually grow a team around your work.
Join Air Apps as an AI Product Manager to drive the roadmap for their AI-driven resource planning application. You will work directly with engineers, designers, and data scientists in Lisbon to launch and scale features that align with business goals and user needs. This position demands a strong grasp of machine learning concepts and the ability to translate complex technical capabilities into intuitive user experiences. You will define KPIs, conduct market research, and ensure ethical AI compliance while optimizing model performance.
You will drive the product lifecycle for AI-driven features, ensuring they align with business goals and user needs. Working directly with engineers, designers, and data scientists, you will translate complex AI concepts into scalable, user-friendly applications that enhance how people plan and work.
You will drive the product roadmap for AI-driven features, ensuring they align with user needs and business goals. Working from the Lisbon office, you will partner with engineers, designers, and data scientists to launch and scale solutions that enhance user experiences.
Join Air Apps as an AI/ML Engineer to build intelligent, data-driven features for mobile apps used by over 100 million people. You will collaborate with product and engineering teams to develop scalable ML pipelines and optimize models for high performance in mobile environments. This position requires working from the Lisbon office, where you will contribute to a fast-paced environment while helping to redefine resource management through AI innovation.
Join Air Apps as an AI/ML Engineer to develop intelligent, data-driven features that enhance user experience across their mobile platforms. You will collaborate with product managers and designers to integrate state-of-the-art AI techniques into their self-funded, widely downloaded applications.
Join Air Apps as an AI/ML Engineer to build intelligent, data-driven features for their global mobile platform. You will collaborate with cross-functional teams in Lisbon to develop and deploy scalable ML pipelines that enhance user engagement and app performance. The company is self-funded with over 100 million downloads and offices in Lisbon and San Francisco. This position requires working from the Lisbon office, where you will contribute to creating AI solutions that redefine resource management.
Join Air Apps as an AI/ML Engineer to build intelligent features for a mobile app with over 100 million downloads. You will develop deep learning solutions, optimize models for mobile performance, and collaborate with product and design teams in Lisbon. The company is self-funded and focuses on long-term AI innovation. You will work onsite to integrate state-of-the-art AI techniques into user-facing products.
Join Air Apps as an AI/ML Engineer to design and optimize machine learning models that power their Personal & Entrepreneurial Resource Planner. You will collaborate with product and engineering teams to integrate intelligent features into mobile apps used by millions worldwide. This position requires working from the Lisbon office, where you will contribute to a fast-paced environment while helping to redefine resource management through AI-driven solutions.
Join Supernal as a Staff Software Engineer to own and evolve the systems enabling scalable AI agents. You will drive architectural decisions for the Django backend, event-driven architecture, and observability stack. This technical leadership role involves mentoring engineers and eliminating scaling bottlenecks.
Supernal builds intelligent, agentic workflows that function as AI employees for small and medium businesses. As a Mason Manager, you will guide teams of engineers who construct these systems on the company's proprietary platform. This position blends people management with deep technical oversight. You will ensure reliable, high-quality shipping of automation solutions while coaching engineers and refining development standards.
Join Supernal to develop the first generation of AI employees that handle real business processes. You will design end-to-end agent systems, including runtime environments, retrieval pipelines, and evaluation harnesses, ensuring they are reliable and scalable for daily user reliance.
Lead the Application Fraud machine learning team at SentiLink, protecting consumers and institutions from identity theft. You will manage a growing group of full-stack data scientists, guiding them through model development, analysis, and production coding. This position requires deep technical expertise and business intuition to deliver high-impact solutions. You will collaborate with senior leadership and engineering teams while maintaining end-to-end ownership of your domain in a fast-paced setting.
You will serve as the editor-in-chief for external messaging, ensuring technical accuracy and strategic alignment across all publications. Working closely with product and engineering teams, you will translate complex protocol concepts into compelling narratives that resonate with developers. The goal is to build systems that scale content production and drive adoption of Lightning Labs' infrastructure.
As the founding engineer of the Data Intelligence team, you will construct the nervous system for Deepgram’s internal AI agents. You will move beyond traditional dashboards to develop dbt models and tools that enable agents to query data, correlate churn signals, and identify latency issues autonomously.
You will lead the end-to-end experience for Sena, an AI-native platform that transforms consumer data into strategic insights. Working closely with product and engineering leadership, you will shape how enterprise clients interact with AI-generated reports and market intelligence. This position requires a designer who thinks like a product owner and is comfortable bridging design and code. You will use AI-driven development workflows to prototype and build front-end implementations while ensuring complex data visualizations remain clear and actionable.
Join Horizon3 as an early-career Commercial Sales Engineer to help organizations identify and fix security vulnerabilities using the NodeZero platform. You will partner with Account Executives to drive growth by conducting discovery calls, delivering product demonstrations, and translating technical capabilities into business value for prospects. This role offers mentorship from industry experts and the chance to build technical and commercial skills in a high-growth cybersecurity environment. You will collaborate across sales, product, and customer success teams to improve customer experience and share market feedback.
Join the Konnect team at Kong to build the future of API management. You will architect Kong Identity, a multi-tenant platform supporting complex organizational hierarchies and enterprise security. The work focuses on high-performance authentication, token lifecycle management, and global infrastructure optimization.
Roller Gaming develops native applications and web platforms for global leaders in online betting and lottery industries. We are seeking an experienced Java Software Engineer to build scalable solutions for high-volume digital services.
Join the Applied Engineering team to bridge the gap between Deepgram’s speech technology and customer business needs. You will lead technical discovery, design custom solutions, and validate capabilities for prospects while influencing product strategy through market insights.
The Deployed Engineering team partners with companies to turn AI agent prototypes into reliable production systems. You will work directly with customer engineers throughout the lifecycle, from pre-sales proof of concepts to post-deployment advisory. This role sits at the intersection of engineering, product, and go-to-market. You will shape how LangChain is adopted in the field while feeding real-world insights back into the platform to improve tools for all users.
The Deployed Engineering team partners with companies to turn AI prototypes into reliable production systems. You will co-design agent architectures and guide customers through the full lifecycle, from evaluation to operation at scale. This role sits at the intersection of engineering and go-to-market, feeding real-world insights back into the LangChain platform while ensuring technical wins for clients.
As a Solutions Architect at Mapbox, you will act as a trusted technical advisor for global OEMs and startups. You will partner with sales teams to discover customer needs, design scalable architectures using Mapbox SDKs and APIs, and deliver prototypes that drive business outcomes. This position bridges strategy, architecture, and delivery within the mobility and mapping sector.
Join the Applied Engineering team to bridge the gap between Deepgram’s speech technology and customer business needs. You will lead technical discovery, design custom solutions, and validate value for prospects while influencing product strategy through market insights.
Join an ETH Zurich spin-off that automates supplier selection and tender management for the European construction industry. You will build the backend infrastructure that powers AI capabilities, working closely with leadership in a small, fast-moving team.
Join Polymath, an applied research lab backed by Y Combinator and Base10, to advance the capabilities of safe, autonomous AI agents. You will engineer the simulation environments, complex tasks, and verification systems that allow frontier models to learn and operate in realistic settings. The team works closely with leading model labs to push the boundaries of agent performance. You will solve open-ended technical problems, building robust infrastructure from first principles to support rigorous training and evaluation.
SentiLink protects institutions and consumers by verifying identities and stopping fraud attempts daily. As a Senior Software Engineer on the Data Platform team, you will own the infrastructure components that support the company's suite of products. You will collaborate with product, engineering, and data science teams to build and enhance the platform powering these critical services.
You will drive product strategy for authentication and identity infrastructure used by fast-growing AI and software companies. This position requires close collaboration with engineering and design to solve complex problems for technical users.
Join the Backend Functional Team at DuckDuckGo to build and maintain key infrastructure for their search engine and AI tools. You will take end-to-end ownership of projects, from scoping to execution, ensuring high performance and privacy standards. The team focuses on integrating AI-assisted answers, improving Duck.ai, and managing data processing pipelines. This position offers the chance to mentor other engineers and influence the technical direction of the backend group.
Meadow is modernizing payments for higher education, aiming to simplify the student financial experience similar to how Shopify transformed retail. As a Senior Software Engineer, you will design, build, and operate core systems across the backend and frontend stack. You will partner with Product, CX, and Integrations teams to deliver reliable, scalable software for universities and students nationwide.
Join the Product Engineering team at TRM Labs to develop robust features that analyze blockchain transactions at scale. You will collaborate with backend engineers, designers, and product managers to deliver seamless user experiences for investigators disrupting illicit financial activity. As an early member of the frontend group, you will influence technical decisions and champion best practices. The team operates on weekly sprints with a focus on rapid adaptation and high ownership in a fast-paced environment.
This hands-on engineering role sits within the GTM organization, focusing on the systems that identify, enrich, and score prospects. You will write production code to connect data providers, CRM platforms, and internal AI agents, ensuring the sales team has accurate and timely information. You will design schemas, debug production incidents, and optimize workflows for scale. The ideal candidate combines software engineering skills with an understanding of revenue operations and data pipelines.
Join Horizon3 as a Staff Attack Engineer specializing in AI and LLM security. You will research vulnerabilities in AI and agentic systems, translating these findings into automated, repeatable attack modules for the NodeZero autonomous pentesting platform. This role requires driving technical strategy for LLM-powered offensive capabilities rather than performing manual consulting or pentesting.
You will design and implement components of a system sensor that traces data movement across macOS applications and files. The team focuses on solving complex performance optimization problems to monitor events with minimal impact on endpoint applications. Your work will involve building secure, hardened software capable of withstanding real-world attacks while processing untrusted data. You will collaborate with a distributed cross-functional team to evolve the product architecture.
Planera is modernizing construction scheduling and planning. As an Insights Product Manager, you will translate complex construction data needs into intuitive reporting tools. You will work with engineering and design teams to solve real problems for general contractors and project owners.
Wisdom combines industry expertise with technology to streamline dental billing for practices and patients. As a Senior Software Engineer, you will own end-to-end development of complex billing systems, from database schema design to user-facing React applications. You will work on a small, high-trust team solving hard problems like reliable insurance integrations and AI-driven billing decisions. This role offers significant autonomy to shape the product roadmap and technical direction.
Join Sona's product teams to develop the next generation of workforce management software. You will work directly with customers to translate operational insights into shipped features, leveraging AI agents for code generation while providing architectural direction and quality control.
Join Abridge as a Senior Integrations Engineer to design and maintain robust connections between our AI-powered clinical documentation platform and major health systems. You will collaborate with product, engineering, and implementation teams to ensure secure, high-quality data exchange using industry standards. This role requires deep expertise in Cerner integrations and a strong background in building enterprise-grade APIs. You will work autonomously to troubleshoot issues, enhance system performance, and support the company's rapid expansion in the healthcare sector.
Join the Support Services team at ClickHouse as a Senior Consulting Engineer, working directly with strategic enterprise customers. You will balance hands-on engineering tasks, such as architecture design and implementation, with consultative support for production launches and proof of concepts. When not assigned to specific customer projects, you will assist the broader support team with L1 to L3 cases. This position requires close collaboration with Product Management, Engineering, and Sales teams to influence the product roadmap and ensure customer success.
You will design, debug, and operate multi-region GPU compute clusters optimized for distributed training. Working directly with customers, you will troubleshoot real-time issues and optimize performance from the network fabric to the kernel level. The team focuses on enabling fragmented global compute supply to flow through a single platform, ensuring reliable capacity for model builders and research labs.
Join the Serving team at Fundamental to transform the NEXUS Large Tabular Model into a reliable, high-performance production system. You will bridge research and engineering, tackling unique serving challenges related to structured data and irregular computational behavior. This technical role focuses on the full inference stack, from Python runtime optimization to GPU serving infrastructure. You will define architecture for distributed execution and ensure efficient operation under real-world workloads for Fortune 100 clients.
Planera is modernizing construction scheduling by building software for general contractors and project owners. As a Product Manager, you will define product strategy, engage directly with customers to understand their workflows, and work cross-functionally to deliver high-quality features. You will partner with UX designers, engineers, and sales teams to execute the company roadmap. The position requires translating market trends and user feedback into actionable product decisions that enhance user experience and drive business growth.
Sola develops AI agents that automate enterprise workflows across industries like healthcare and finance. This role focuses on solving deterministic execution challenges on the Windows desktop, bridging legacy software and modern AI models. You will set technical direction for the desktop controller and server-side execution, working across Windows/.NET and Linux environments. The team values generalists who can ensure reliability and observability in complex automation pipelines.
Join the Auth team at Supabase, the open-source Postgres development platform. You will design and implement scalable authentication protocols and client libraries, ensuring reliability across a large fleet of instances. This position requires deep expertise in Go and web security fundamentals. You will work asynchronously with a distributed team to evolve the architecture and support the developer community.
Join the ML Platform team at Synthesia to design infrastructure that supports researchers and product teams. You will build systems for training, evaluating, and deploying generative models, focusing on automation and agent-oriented workflows. This hands-on individual contributor role requires a systems mindset to improve reliability and resource efficiency. You will shape the platform architecture as the company scales its model workloads and tools.