PostgreSQL Jobs

LangChain is seeking a Senior Fullstack Engineer to join the team building LangSmith, their commercial observability and evals platform. This role offers the opportunity to significantly influence the platform's technical direction while collaborating with enterprise customers, developer end-users, and internal stakeholders. You will be instrumental in shaping the future of AI agent engineering by contributing to a product used by a significant portion of the Fortune 500.

$175k - $240k

LangChain is building the foundation for agent engineering, enabling developers to create production-ready AI agents. With significant funding and a rapidly growing platform, the company offers open-source tools and a comprehensive platform for building, evaluating, deploying, and operating agents at scale. The LangSmith team specifically focuses on building the core platform for observability, evaluation, and production reliability of AI systems, including tracing, annotation, and run rules. This role is crucial for defining what AI observability looks like at production scale.

$180k - $240k

Hex is seeking its first Engineering Director for AI Engineering to lead a team that blends research and technology to build innovative AI products. This role involves defining and executing research strategy, managing partnerships, driving technical content creation, and hiring/managing a team of AI engineers and researchers. The ideal candidate will have a passion for delivering exceptional AI-backed product experiences and a strong ability to attract and retain top talent.

$300k - $425k

The Agent Analytics team at Amplitude builds systems to help customers understand and improve their AI agents by transforming agent traces, conversations, and evaluation results into actionable insights. These insights are then connected with the broader product experience through reliable, easily explorable, and fast-querying backend services and data infrastructure. As a Software Engineer I on this team, you will contribute to the foundation of a growing AI analytics product, starting with well-scoped backend and data pipeline features. You will gain experience processing agent traces, building APIs for data exploration and export, and enhancing the performance and reliability of analytics systems, learning how engineering decisions impact customer experience.

$125k - $188k

Metriport is revolutionizing US healthcare by solving the critical problem of medical data exchange. We build the technology infrastructure that connects, transforms, and provides insights from raw healthcare data, making it usable for care teams and their agents to improve patient outcomes. Our platform enables record retrieval in seconds, a process that previously took weeks, empowering clinicians with complete patient information at their fingertips. We are a technology company operating in healthcare, building the system of record for US healthcare. Having secured significant funding and achieved product-market fit with a multi-million dollar ARR and over 100 customers, we are poised for substantial growth.

$180k - $220k

Metriport is revolutionizing US healthcare by solving the critical problem of medical data exchange. We transform unusable raw data from legacy systems into a clean, unified format that care teams and their agents can use to improve patient outcomes. Our technology enables rapid data retrieval, providing clinicians with complete patient histories instantly, which can lead to earlier diagnosis and treatment. We are a technology company building every layer of our platform, from data connection and transformation to generating insights, aiming to become the essential infrastructure for US healthcare. Having secured significant funding and achieved product-market fit with millions in ARR and over 100 customers, we are poised for substantial growth.

$200k - $260k

Reducto is seeking a Software Engineer for its Platform team to own the infrastructure behind the company's core API. This role involves ensuring document understanding systems are fast, reliable, and cost-efficient at scale. You will work across Python services, queues, model-serving, Kubernetes, observability, and developer tooling to enhance the platform's robustness. This is a high-leverage infrastructure position for someone who has built and operated production systems, prioritizes latency, reliability, and cost, and is adept at using modern LLM coding tools.

$200k - $325k

OpenAI

We are seeking a Backend Software Engineer with experience in ML/LLM-heavy domains to design and build an "evals" infrastructure. This role is critical for measuring the quality of OpenAI's support automation and involves building robust systems and backend services that form the foundation for knowledge creation, access, and application across OpenAI. You will collaborate closely with Data Science and Research partners to design and build evaluations at scale, focusing on creating reliable, reproducible, and extendable eval pipelines and infrastructure for continuous monitoring.

$266k - $445k

Credal is seeking a founding web full-stack software engineer to help build a scalable, performant architecture while maintaining industry-leading security. This role involves owning aspects of stability, scalability, and security, ensuring reliable syncing of billions of records, and contributing to architecture and code quality. You will engage directly with customers to solve complex problems, mentor junior engineers, and take end-to-end ownership of core products. The ideal candidate is a versatile software engineer comfortable across the full stack, excited about Agentic AI/LLM applications, and possesses strong software engineering fundamentals.

$190k - $250k

Sourcegraph is building AI tools to address challenges in the software industry, especially as codebases grow and agentic development becomes prevalent. The Code Understanding team focuses on areas like Deep Search, Query Assist, and Smart Hovers, which are powered by agent engineering. This role is for a staff-level technical leader responsible for the direction of models, evaluations, and agentic systems within the Code Understanding team. The goal is to improve product performance, speed, and cost-effectiveness by integrating deterministic systems with AI. This position offers significant agency over technical direction and a direct impact on product development.

Code Metal is seeking a Lead Backend Engineer to join their Modeling & Simulation team. This role will lead the backend and data engineering team responsible for building the Python services, APIs, and data systems that power a next-generation wargaming and decision-support platform. The ideal candidate will balance people leadership with hands-on technical ownership, providing Principal-level backend engineering judgment, guiding architecture, and tackling complex technical challenges while growing a team of engineers. This platform is crucial for enabling government users to make critical multi-billion-dollar force-design decisions.

$253k - $294k

ClickHouse Labs is an applied research group focused on identifying and solving challenging problems in database systems, with a goal of advancing the state of the art and translating research into real-world system improvements. As a Research Scientist, you will tackle high-impact problems at the intersection of database systems, distributed systems, AI, and systems software engineering. You will collaborate with experienced researchers and engineers on a broad range of topics, including query optimization, execution engines, distributed systems, and emerging agentic workloads, working with leading open-source systems like ClickHouse and PostgreSQL. Your work will involve investigating performance bottlenecks, developing new algorithms and system designs, and evaluating them under realistic conditions, with opportunities to publish your work and contribute to open-source projects.

$175k - $235k

As a Junior Full-Stack Engineer at Escape, you will play a crucial role in shaping the core of our AI-powered cybersecurity products. Working closely with senior engineers and technical leads, you will deliver features and improvements across the entire product. This is an excellent opportunity for an early-career engineer to gain hands-on experience in AI-driven security, work across both frontend and backend development, and witness the direct impact of your contributions in production.

€0k - €0k

Escape is seeking a Senior Full-Stack Engineer to join their AI Cybersecurity team. This role is central to the company's product, focusing on owning and evolving the core data model that represents attack surfaces and AI-learned insights. You will be responsible for translating offensive AI research into tangible product features, accessible through a Svelte frontend and GraphQL API. This position offers a high-leverage opportunity to influence technical direction and directly impact what customers see, with a clear path towards technical leadership.

€75k - €90k

Elastic is seeking a Principal Software Engineer to join the Elasticsearch - Storage Engine team. This globally distributed, fully remote team focuses on developing core storage and query technologies for observability workloads. The role involves improving storage efficiency, advancing query processing and performance, and optimizing data layouts. The ideal candidate will drive the technical vision, architecture, and design of Elasticsearch's core storage and query engine, with a proven track record in high-performance, scalable database or search engine technologies and the ability to lead technical initiatives across organizations.

$160k - $304k

Elastic is seeking a Senior Software Engineer to join the Elasticsearch - Storage Engine team. This globally distributed, fully remote team focuses on developing core storage and query technologies for observability workloads. The role involves designing, implementing, and optimizing Elasticsearch's core storage and query engine, with a focus on improving storage efficiency, advancing query processing and performance, and optimizing data layouts. The company emphasizes empowering individual engineers, code review, consensus-driven decisions, and incremental improvements in a collaborative, asynchronous environment.

$133k - $253k

Toast is seeking a Staff Software Engineer to join the Voice AI Team. This role will be instrumental in building and operating the voice platform that powers Toast and developing novel applications on top of it. This is a greenfield opportunity where the platform and its use cases are being defined, and your work will be foundational for years to come. You will take end-to-end ownership of significant projects, including system design, execution, and technical decision-making. Collaboration with product, engineering, and stakeholders across Toast will be key to transforming ambiguous problems into reliable, scalable systems.

$151k - $309k

This role is for experienced software engineers looking to build AI-powered products. You will own user-facing surfaces end-to-end, from interaction design and frontend development to application logic, APIs, data models, and the underlying search or model calls. The team continuously ships to production, with new engineers often having code in front of users within their first week. You will leverage AI, including agents and coding models, as primary tools to accelerate development and improve product quality, focusing on reliability, latency, and craft. This is a full-stack position that suits individuals who enjoy building and have the autonomy to do so, with a focus on turning ambiguous product ideas into working prototypes and iterating based on usage data and evaluations.

$180k - $270k

Ramp is seeking a Machine Learning Engineer to lead the future of fraud machine learning. In this role, you will build core machine learning models, design data architectures, and set strategic roadmaps to mitigate fraud-related threats while minimizing friction for legitimate users. You will partner closely with product and engineering teams on model design, implementation, execution, and analysis. This is an opportunity to build systems that directly shape how companies move and manage billions.

$200k - $330k

Together AI

Together AI is building the AI Acceleration Cloud, an end-to-end platform for the full generative AI lifecycle. As a Senior Backend Engineer, you will play a key role in building the next generation AI cloud platform – a highly available, global, blazing-fast cloud infrastructure that virtualizes cutting-edge ML hardware and enables state-of-the-art ML practitioners with self-serve AI cloud services. This platform serves both internal StaaS products and external cloud customers across dozens of data centers worldwide.

$160k - $230k