Cassidy - Full Stack Software Engineer (All levels) - New York City (In-Person) Cassidy (https://cassidyai.com) is a no-code platform that allows businesses to build custom AI assistants that automate complex business processes, powered by internal company data. By connecting to a company’s knowledge (docs, wikis, calls, etc.) and leveraging major AI models, Cassidy aims to be the “AI colleague” for every team—helping them work 100x faster without heavy engineering overhead.

We're well funded, growing incredibly fast and have an insane distribution advantage in a growing market.

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If building powerful and reliable automation primitives for non-technical users sounds interesting to you, I'd love to chat! Reach out to Email is hidden.

Lightdash | Senior Full Stack Engineer | REMOTE (Europe-based) | full-time | https://www.lightdash.com/ | £80K – £130K +options

We are Lightdash, an open source BI and analytics dashboard. We have recently closed our series A and are actively hiring for senior full-stack engineers with experience in Typescript+React+Node+SQL. Bonus points for experience in data-related companies/projects, or being a founding engineer at a startup.

We are a remote-first company, with our team members currently distributed all over Europe.

We are hiring for two roles: product engineer and customer engineer. The requirements are basically the same, but the latter requires a bit more customer interaction. You can find all the details and apply here: https://jobs.ashbyhq.com/lightdash

Important considerations:

- cover letter is very important, and please do not use chatgpt to write it (we have automated checkers in place)

- please mention on the referral field that you come from HN!

- this is a fulltime, permanent position, so we’re not considering contractors/consultants.

- we are also not considering people outside of european timezones.

Absinthe Labs | Senior Full-Stack Engineer | Remote or NYC Hybrid

Absinthe Labs is making loyalty markets more efficient. With over 20M visits and 2M+ users since our founding in 2022, we built the first Web3-native customer data platform that powers points programs across the digital landscape, and we’re now seeking a Senior Full-Stack Engineer with a love of FE to expand our capabilities.

Role Highlights:

Platform Development: Design and build user-centric interfaces for incentive designers using Radix UI, Tailwind CSS, and Next.js, ensuring scalable backend services using Node.js and GraphQL. Data Architecture & APIs: Develop data pipelines, integrated with Hasura (GraphQL), PostgreSQL/DuckDB, and optimize our server-side logic for high-performance data retrieval. Dynamic Builder Tools: Engineer zapier-like interfaces to configure data sources and build a WYSIWYG loyalty portal editor. End-to-End Product Ownership: Architect, deploy, and maintain services across the stack, ensuring secure SSR and swift API interactions.

What You Bring:

Experience: 5+ years in full-stack engineering, ideally in B2B SaaS, Fintech, or Web3 consumer apps. Frontend: Strong experience in React, Next.js, and transforming Figma prototypes into polished UIs using Radix UI, Tailwind CSS, and shadcn. Backend: Proficiency in Node.js, GraphQL (Hasura) and designing secure, scalable backend architectures. Cloud & Security: Familiarity with AWS (Amplify, Cloudfront), containerization (Docker/Podman), and security best practices (e.g., CORS, CSP). DevOps & CI/CD: Experience with automating deployments, optimizing database queries, and maintaining a smooth developer experience using modern CI/CD pipelines. Startup Agility: Thrive in a fast-paced, impact-driven environment.

Why Absinthe Labs?

High-Impact Work: Join a tight-knit team shipping Web3 loyalty infrastructure that directly influences millions of users. Flexibility: Work remotely or from NYC Hybrid. Compensation: Competitive salary (region-based) + equity in a high-growth Web3 startup.

Apply Here: https://absinthelabs.notion.site/135dfbd9a95880c38129f055c38...

Volcore | Manchester, UK | ONSITE | Full-Time | Software Engineer

At Volcore, we model the electricity system to do proprietary trading that helps balance the grid and facilitate renewables integration. Our technical roles are a blend of Software Engineering and Data Science, wherein we solve problems end-to-end, from data ingestion and analysis to optimisation and deployment. Often these require novel solutions, drawing on original research and experimentation. We are a profitable and ambitious startup looking for Software Engineers who can both crack these kinds of problems and continually improve our shared libraries, tooling and workflows to ensure they are fast, accurate and a delight to work with.

Our team are close-knit, with minimal hierarchy. We work together in-office to whiteboard solutions together and everything we build is used by people sitting next to us.

Every team member owns important projects very early on, and if you can deliver value in a particular area, you’ll be recognised and rewarded for it, regardless of job title.

Our tech stack includes Python, backend Typescript, Postgres and, increasingly, Rust, although the latter is not a Day-1 requirement.

We review all applications personally. For more info, including salaries, requirements and application links:

- Junior Software Engineer https://www.volcore.co.uk/junior-software-engineer

- Experienced Software Engineer: https://www.volcore.co.uk/experienced-software-engineer

VLM Run (https://vlm.run) | 2x founding engineers | https://app.dover.com/jobs/vlm-run

If you're excited about building bleeding edge infrastructure for VLMs (Vision-Language Models), we're looking for cracked founding engineers to join our team. At VLM Run, we're building an end-to-end platform for developers to fine-tune, specialize, and operationalize VLMs. We're a team of veteran AI experts with over 20+ YoE building production-ready ML infra for autonomous driving and AR/VR.

1. Founding AI Engineer: Full-time | ONSITE (Santa Clara, CA) | $180-220K / yr + 0.5-3% equity https://app.dover.com/apply/vlm%20Run/1a490851-1ea1-4f12-a0f...

2. Founding ML Researcher: Full-time | ONSITE (Santa Clara, CA) | $180-220K / yr + 0.5-3% equity | https://app.dover.com/apply/vlm%20Run/cbb7371a-6334-46ed-804...

ChartMogul (https://chartmogul.com )| Remote | Full-time

Since 2014, we have been building the leading Subscription Analytics Platform for growing SaaS businesses and CRM purpose-built for B2B SaaS teams. We're a remote-first company with 65 team members across 23 different countries. Profitable and self-sustaining since our seed funding.

What we accomplished in 2024: https://chartmogul.com/blog/chartmogul-2024-year-in-review/

Tech Stack: Ruby, Ruby on Rails, Vue.js, Typescript, Postgres, AWS

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Sr Full Stack Engineer: https://jobs.chartmogul.com/o/senior-full-stack-engineer-del...

Folio | Multiple Roles | REMOTE (US) | Full-time | https://folio.co

Hotel procurement is a $400B industry still running on spreadsheets and phone calls. We're bringing world-class search, web automations, and payment infra to this massive but under-technologized space. Folio is a first-of-its-kind managed marketplace connecting hotels with their hundreds of suppliers using our AI-driven concierge buying, invoice processing, and payments.

Open Roles:

Our 10-person team hails from Plaid, Square, Persona, and Cruise. We're fully-remote with a hub in San Francisco, and we meet up quarterly at one of our 300+ hotel partners.

- Software Engineer, Product (Full Stack) • Build the marketplace and payments experience that hotel buyers and suppliers love

- Software Engineer, Backend • Scale our marketplace infrastructure, search, and payment systems

- Client Success Specialist • Help hotels optimize their procurement and maximize savings

Tech Stack: Rails, TypeScript, PostgreSQL, AWS, Elasticsearch

We're at your service: https://folio.co/careers

Midjourney | https://midjourney.com | Full-time | ONSITE in SF preferred | REMOTE (Global)

- AI Researcher

- Senior Data Engineer

Apply: email careers AT midjourney.com and mention “HN” in the subject

Artis Works | Full-Time | Backend Engineer | Remote | £75k-95k

Artis Works leads financial innovation by empowering trading firms, brokerages, and institutions with advanced technology. Our flagship product is responsible for taking high frequency tick data from the market, and combining it with user supplied data and custom formulas to produce insights for traders. We surface high quality, low latency historical and live data across 4 continents.

See more about the product at https://artis.works

Position Overview:

We're looking for a motivated backend engineer to join our dynamic team. You'll design, build, and launch essential cloud services from the ground up, significantly impacting our products and success.

Requirements:

Experienced or interested in Rust, or proficient in JVM-based languages (especially Clojure).

Skilled in building real-time data processing and multi-threaded, latency-sensitive systems.

Familiar with stream processing (Kafka, Pulsar, Flink) and distributed systems.

Capable of building secure, scalable, and reliable systems with attention to monitoring and graceful failure.

Experienced with relational, non-relational, and time-series databases.

Familiarity with cloud infrastructure, especially AWS, is a strong advantage.

To apply send an email with a cover letter and/or CV/Resume to Email is hidden

MongoDB Atlas is a multi-cloud developer data platform that simplifies how developers work with data.

We’re hiring a Site Reliability Engineer to join our Developer Infrastructure team. Our team supports the broader SRE organization by:

- Building and maintaining container images, OS packages, and infrastructure tooling - Creating self-service Terraform workflows - Handling cloud resource provisioning across AWS, GCP, and Azure

This is a full-time, remote role for candidates based in the four continental US timezones. Prior familiarity with Bazel, Go, Terraform, Argo workflows and GitHub Actions would be helpful.

If you’re interested, apply at https://www.mongodb.com/careers/jobs/6711510