Paperless Post |NYC/Hybrid or REMOTE(US ONLY)|

Hi! We’re Paperless Post, and we help people celebrate moments that matter with our customizable, design-forward digital invitations. The PP Engineering team, a highly collaborative group of developers and technologists, is charged with building and refining a consumer-facing product that millions of people interact with each month. Our individual feature teams each focus on a unique piece of the user experience and are made up of engineers, product managers, QA, and product designers. Our open roles are below:

1. Senior Fullstack Software Engineer, Revenue Growth| Full-Time| React, GraphQL, Golang

2. Software Development Engineer in Test| Full-time| Javascript/Typescript, Playwright, Cypress, Jest, React Testing Library

3. Senior Analytics Engineer| Full-time| SQL & Python

4. Software Engineer, Front End| Full-time| React Native

We offer: competitive compensation + equity + generous PTO/Sick leave + medical benefits + remote-friendly + more!

If you are interested, please apply here: https://www.paperlesspost.com/about/careers/ and shoot me (Briana, Sr talent acquisition lead) an email at: recruiting@paperlesspost.com

Layer Health | https://www.layerhealth.com/ Our engineering team: https://www.linkedin.com/company/layerhealth/people/ Location: BOSTON (Boston Common) or NYC (downtown) - hybrid in both locations; <<NO REMOTE>> Headcount: ~34, hiring ~2 per month

Stack:React / Typescript / Python / GCP

Open Roles (all roles require a MINIMUM of 6 years of work experience): Fullsack Engineer (Senior) Python/React/Typescript * ML Infrastructure (Staff+) * Data Infra Lead/Engineer * ML/Research Scientist (PhD's) * MLE's (looking for CS/engineering background ideally) * Security Engineer

We Offer: * competitive base salary + equity + great health/medical benefits * unlimited PTO * collaborative engineering-first culture

Layer Health was founded in 2023 by leading machine learning researchers from MIT and Harvard Medical School. We are building an AI layer that can accurately and scalably synthesize information from medical records, with the mission to reduce friction everywhere in healthcare. Our LLM-powered platform is solving chart review once and for all, across use cases. For health systems, our first product dramatically accelerates clinical registry abstraction in areas ranging from surgery and cardiology, to oncology. Our long term vision is for our AI layer to safely transform patient care and minimize unnecessary heartbreak. Layer Health’s diverse founding team brings expertise across machine learning, UI/UX, large language models, and medicine.

Email me at mike.hauschild@layerhealth.com for more info!

Saypien | Berlin, Germany | REMOTE (Europe) | Full-time

We're building an AI-native SaaS platform that helps companies extracting actionable insights from data in real-time. Think of it as an architectural intelligence layer that ingests heterogeneous data, learns your business context, and delivers decision-ready guidance.

Tech stack: Next.js, React, TypeScript, PostgreSQL, Redis.

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Hiring for two roles:

Software Engineer (Full Stack) - €60-157k (incl. Bonus) | Equity

You'll build and optimize our web platform end-to-end, work closely with AI, Product, and Design. Strong Node.js, PostgreSQL, React/Next.js. Experience with LLM integrations is a plus.

AI Product Engineer (Full Stack) - €70-169k (incl. Bonus) | Equity

More senior role bridging product and engineering. End-to-end feature ownership, customer feedback integration, shaping product direction while shipping production code.

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Small team, real customers, fast iteration cycles, shipping.

Apply: https://work-at-saypien.jobs.personio.com

Parseur | Front-end dev with design appetite | REMOTE [GMT:GMT+6]

Parseur is a B2B Saas that automates document-processing workflows.

We are a 100% office-less, fully remote team of 5 looking for the 6th full-time (or 80%) team member.

We're looking for an excellent front-end dev who ideally knows React. And it would be nice if you could also design and know your way around CSS.

More info here: https://parseur.com/jobs

Coder | https://coder.com/ | Multiple roles | Multiple locations | Full-time

Coder is an AI software development company leading the future of autonomous coding. We empower teams to build software faster, more securely, and at scale through the collaboration of AI coding agents and human developers. Our mission is to make agentic AI a safe, trusted, and integral part of every software development lifecycle.

Coder’s self-hosted Cloud Development Environment (CDE) is the foundation for deploying agentic AI in the enterprise. It provides a secure, standardized, and governed workspace to deploy autonomous coding agents alongside human developers, accelerating innovation while maintaining control and compliance. Coder's isolated, policy-driven environments improve productivity, cut cloud costs, and reduce data risks. Developers transition to AI at their own pace using their own tools. Platform and security teams can govern, audit, and manage a great developer experience at scale.

We passed 100k stars on GitHub! https://github.com/coder

All positions are fully remote in the countries listed unless otherwise specified.

[1] Software Engineer, AI tools (US/Canada)

[2] Senior Software Engineer, AI Tools (US/Canada)

[3] Staff Software Engineer, front-end TypeScript/React (US/Canada)

[4] Security Engineer, DevSecOps (UK/Ireland/Poland)

[5] Senior Product Designer (United States)

And more! Apply here + job descriptions, salary bands: https://coder.com/careers?utm_source=O2n5Ew72WD

Not all of our jobs are listed here. Please note that you must submit an application to be considered for any of our positions.

Langdock (YC S23) | Product Engineers (Full-stack), Infrastructure Engineers, AI Associates | Berlin, Germany ONSITE | https://langdock.com –

We're Langdock, and we've built the LLM platform that 2,000+ companies trust to power AI features for 100,000+ users. After hitting $10M+ ARR with >10x year-over-year growth, we're expanding our Berlin team to shape the next chapter of conversational AI.

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Product Engineer (Full-stack) | Total Compensation (incl. Bonus) €80K – €156K | Equity

Build product features from conception to deployment, collaborating closely with our CPO and working across the entire tech stack to deliver AI-powered features that drive enterprise adoption.

Stack: NextJS, React, Prisma, Postgres, Redis

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Infrastructure Engineer | Total Compensation (incl. Bonus) €80K – €156K | Equity

Contribute to our deployment infrastructure and lead integrations with customer cloud environments. You’ll work hands-on with the latest cloud and container technologies, ensuring our platform runs reliably and securely for some of Europe’s top enterprises

Stack: Terraform, Azure, AWS, GCP, OpenShift

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AI Associate | Total Compensation (incl. Bonus) €80K – €100K | Equity

Three-month rotational program with a pathway to high-impact commercial roles. You’ll join a cohort of technical, customer-facing talent who build deep product expertise and commercial acumen from day one.

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Check out our jobs page here: https://jobs.ashbyhq.com/langdock

Recital | Remote (Canada) | Full-time | https://recitalapp.com

In-house lawyers waste 25% of their time looking for stuff. Recital uses non-obvious ML approaches, uniquely enabled by LLMs, to help them find it. We're diving into the relatively-unexplored data buried in contracts, building layers of data analysis that are shown into an interface that feels simple and easy. It's an AI product that doesn't feel like an AI product.

We're a small, global, all-remote startup. It's our second startup in the space (the first was acquired). We follow modern product management (discovery) & development (DORA) practices, emphasize developer experience as an accelerator of customer value, and use provably effective management techniques (à la Manager Tools). Our team emphasizes strong emotional intelligence and self-awareness.

We're looking for Canada-based senior+ full-stack developers, with solid professional experience in both Ruby on Rails and a modern frontend framework (Vue, React, etc). Experience in data wrangling is a bonus.

https://recitalapp.com/careers/

Join (https://join.build) | REMOTE (US & Canada) | Staff Software Engineer (full-stack)

I’m Head of Engineering at Join, building SaaS for construction teams (contractors, owners, architects). We’re hiring two full-stack web staff engineers to help build our React + Go + Postgres collaboration platform and lead technically. Full-stack interest is preferred and at least one of those hires needs to have deep frontend expertise.

Details are at https://www.linkedin.com/jobs/view/4340165013/

Salary is $175k–$205k + equity + full benefits, fully remote.

Email resume and a snapshot of your writing style (preferably a PR review) to mark.deutsch@join.build.

Zeven | Senior Backend Developer | ONSITE in Zurich (Switzerland) | Full-time | Competitive salary + stock options

We're a newly-founded and well-funded startup that is seeking to revolutionize the sports industry with AI-powered solutions. Our mission is to unlock human potential and redefine the sports experience through innovation and technology.

We are looking for an experienced Senior Backend Developer and sports enthusiast to join our on-site team in Zurich, Switzerland. This is a hands-on, high impact role. We use Typescript for web, Python for ML, PostgreSQL, React + TanStack, AWS and SST.

Please see the Full Job Description [https://tinyurl.com/sw-zeven] for requirements and more details about our Tech Stack.

We are offering full-time employment with a competitive package:

• Competitive salary and stock options.

• Pension plan bonus and 25 days of paid vacation plus public holidays.

• Charming office next to the lake of Zurich with fully-equipped kitchen.

• Top-notch equipment (MacBook Pro laptops, standing desks, etc.).

• We love to organize company outings and sport events.

If you're a motivated and experienced backend engineer who is crazy about sports and looking for a new challenge, we'd love to hear from you! Please email CVs to alex@zeven.ai

We do not consider remote candidates, agencies and candidates located outside the EU/UK/EEA/Switzerland

Prophet Town LLC | Various Software Engineering Roles | US – Remote and Hybrid | English fluency required | Full-time | $150K-$250K annual total comp (multiple)

I’m the founder, trying to do “enlightened business.” We are a people-first, fully-remote, boutique indie tech agency – building a team of talented, high integrity, and community-minded individuals first, then building businesses around them. Our leadership staff are ex-Fortune 100; everybody touches code. Notable recent projects: internal tools for Anduril, and voltagepark.com.

We’re currently especially seeking:

Full-Stack Software Engineers (React, NextJS, Ruby on Rails; Typescript, Python; Database Design, Devops, and third-party API integrations)

IoT Developers (Python, MQTT, GraphQL, AWS, Test Infrastructure)

Please apply using this Google Form: https://forms.gle/Dxpj7eTwcHpjiGT39. Applicants who submit before December 19 will typically receive a reply by December 29. Tier3 roles are typically 5-10 y/o/e with $150-$175k annual total comp. Tier4 roles are 11-20 y/o/e, $210-$250k annual total comp. Higher tiers exist, and we welcome exceptional applications.

VDX.tv (http://www.vdx.tv) | Remote Engineers & Developers | Full-time | REMOTE Established company (20+ years) looking for mature generalists to contribute remotely. You can be anywhere in the world so long as you:

● Are self-motivated and can work independently

● Driven to constantly learn and are always searching for the bigger picture

● Strong in clear thinking and written communication

● Have experience with many languages but can be effective in any language

● Appreciate that all mature software solutions accumulate technical debt and understand how to continually reduce debt and complexity

● Understand how to build highly reliable systems and be responsible for taking code to production

● Understand that code simplicity and readability are more important for long term maintainability

● Want to work on challenging problems and impactful work without being micromanaged

We're hiring across disciplines for engineers who work with Unix and have fluent written and spoken English:

● Backend Servers: Strong in C, Concurrency and Distributed Computing

● Backend Servers: Strong in Java

● Infrastructure: Strong in building infrastructure tooling to program infrastructure.

● Frontend: Strong in Javascript, Typescript, React, and advanced UI and browser applications

● Artificial Intelligence: Strong in Neural Networks, AI Workflows, AI Models.

● Product Design: Ability to spec and build out clean UIs and dashboards.

We value people who are generalists and are interested in learning, developing, and applying expertise across multiple areas.

Although our core business is in digital video advertising, we do research and development in areas such as programming languages, databases, distributed computing, infrastructure, and ai.

We are private, which gives us the freedom to explore many areas without investors and profits being the sole objective.

Full-time only. Remote only. We start out on a full-time trial contract basis for up to 3 months and use this period as an extended work interview for both sides to assess fit for long-term employment.

Please email hn.remote.jobs@vdx.tv if this sounds like the right fit for you.

Twing.AI | AI/Full-Stack Engineer & Forward Deployed Engineer | Remote (US-friendly timezones) or NYC | Full-time or Part-time

We’re a lean (4 people, 3 of which are engineers), bootstrapped team building a private-equity automation platform (deal analysis, document processing, chat, investment theme research). Shipping fast, learning daily, and looking for hands-on engineers who want outsized impact.

- Stack: React Router 7/React 19, shadcn/Tailwind v4, Node/TypeScript (strict), PostgreSQL + Prisma + pgvector, S3; AI workflows with embeddings & LLMs.

- Why join: small team with direct ownership of core product, zero bureaucracy, Greenfield decisions and ability to learn extremely quickly, you’ll ship to paying users weekly.

AI / Full-Stack Engineer

- Own features end-to-end: data ingestion → AI pipelines → UI. - Design and tune LLM/embedding flows; keep latency/cost in check. - Requirements: strong TypeScript/Node, modern React, SQL + data modeling; comfort evaluating/using AI models; bias to ship.

Forward Deployed Engineer

- Work directly with customers (PE analysts/partners) to turn messy workflows into productized features. - Rapidly prototype, measure impact, harden for production. - Requirements: full-stack chops, great product sense, calm under ambiguity, willing to jump between code, data, and customer calls.

Happy to also talk to the self-taught. We care more about ability than credentials and value slope over intercept.

How to apply: Email jobs@twing.ai with “HN – [Role]” in the subject, a short note on something you’ve shipped, and any links (GitHub/portfolio). No recruiters.

Gaia AI | Fullstack Platform Engineer | Full-Time | Boston

Hi, I’m Mel at Gaia AI (https://www.gaia-ai.eco/).

We’re a small GreenTech startup in Boston building hardware and software in the forestry space.

Role: Full stack / platform engineer working on the web app and mobile app.

Preferred Years of Experience: >= 3

Our Stack: TypeScript, React, Mongo, AWS, React-native, Python

Company Size: 7 people

Company Location: Downtown Boston near South Station

Apply here: https://docs.google.com/forms/d/e/1FAIpQLSeXplH__tMz_EIRS4yq...

Feel free to reach out to me with questions: mel at gaia-ai.eco

Lantern | https://withlantern.com | Software Engineers (Python, Full-Stack) | Full time in New York, NY (ONSITE)

Lantern is building AI-powered revenue intelligence—think autonomous agents that turn cold outreach into warm conversations. Our platform automatically detects buying signals across your tech stack [1], prioritizes opportunities, and helps B2B sales teams focus on deals that actually close. We're an agentic-first startup building with Python, BAML, FastAPI, Next.js, and React, backed by a modern data stack (Postgres, ElasticSearch, ClickHouse, DuckDB). We deploy on Kubernetes/AWS and use Temporal.io for workflow orchestration. We're hiring software engineers who want to work on cutting-edge AI and agentic systems. You'll translate complex customer needs into scalable architecture, optimize AI model efficiency through prompt engineering, and ship features that directly impact how revenue teams operate. We value ownership, bold ideas, and people who want to push boundaries.

This role is based in our Manhattan office (4 days/week in-person). We offer full health and dental coverage. Apply here: https://forms.gle/kEi5MDDiaJKdyN3fA I'm Maksym. If you're excited about agentic AI and reshaping B2B sales, shoot me a note at maksym (at) withlantern.com.

Bedrock Data | Backend Engineer | Menlo Park, CA (Onsite) | bedrockdata.ai

At Bedrock Data, we are building next-generation data security platforms. Our backend engineering team is responsible for: Large-scale distributed systems to handle petabytes of data in a scale-out architecture. Stack includes Golang, Neo4j, AWS (Lambda, SQS, S3, DynamoDB), GraphQL, Typescript/React

Please apply here: https://jobs.ashbyhq.com/bedrock

Pump Up | https://pumpup.com | React Native (Expo) Engineer | Remote | Full-time

We’re a small, technical founding team in based in SF building an assistant for tradespeople — electricians, plumbers, contractors. Our app turns job site voice notes and photos into structured job records, quotes and invoices. We’re seed-funded, ship fast, and spend a lot of time with users in the field, building practical AI that saves people real hours every week.

We’re hiring a React Native engineer to own big chunks of the product across iOS, Android and Web. You’ll work directly with the founders and take lead on the mobile client. If you like autonomy, fast iteration, and shaping product you’ll fit right in.

Experience with React Native Web, native media pipelines, or AI workflows is a bonus. The role is remote, but some overlap with PST is important. Compensation ranges depending on location.

See https://pumpup.com/careers or email me directly at mands@pumpup.com if you want to build tools that make real work easier.

ArcPrime | http://arcprime.com/ | Remote | Full Time | Full Stack Developer

ArcPrime just closed a seed round to build the best-in-class AI tools for Intellectual Property attorneys.

We have a world-class team of 6 engineers (CEO is an attorney + engineer) uniquely positioned to win the entire market. We thrive on execution speed, know our customer and domain to the most intimate detail, and are relentless.

We empower our people to do their best work and grow to their fullest potential. We value impact above all else. We offer highly competitive salaries and top-of-market equity. We plan on hiring fewer than 10 engineers for the lifetime of the company. If this sounds exciting to you, please apply!

Stack: React, Typescript, TailwindCSS, and Google Cloud

Email me with your resume to apply: jon @ domain

Full job description: https://docs.google.com/document/d/1R3JZYV8yVMjgspVDDYHwkTZk...

Anvara | https://www.anvara.com | NYC Onsite + Remote | Full Time | $200K USD+, + equity | SWE, Senior SWE

Anvara is a marketplace for sports and entertainment sponsorships. We connect brands like Snapchat, Delta, and Kalshi with sports teams and entertainment rightsholders like the Knicks, LAFC, Coachella, local marathons, and more - to close sponsorship deals. We take a fee on deals.

We're looking for hungry, scrappy, technical engineers to help build out the next phase of our product: paid subscriptions for brands, unlocking ROI forecasts and valuation insights.

Technical: React/Typescript/Postgres

This is a highly technical product wrapped in a beautiful and carefully architected user experience. You will work with pro sports teams, entertainment companies, CMOs, and brand marketers. We are building the Bloomberg Terminal of brand sponsorships.

You will be one of six engineers and growing. We are based in NYC. We expect onsite work with remote flexibility sometimes too.

Come join us. Email me directly - nick@anvara.com.

Ezra | Principal Engineer (Full-Stack) | US REMOTE | Full-time

Ezra is a venture-backed startup building at the intersection of finance and artificial intelligence. We're building a platform to accelerate capital deployment into world-positive investments.

I'm Rob, the CTO, and we're looking for a technical leader and IC (12+ years exp) to own our backend architecture and implementation. You will be bridging traditional backend services with AI agents and inference systems, ensuring reliability at production scale. This is a high-autonomy role for someone who thrives in early-stage environments. You'll be working with other high performing engineers who will each own key components of our system.

The Role:

Drive architecture for Python-based backends (Django/FastAPI) and AI inference systems.

Build agentic AI workflows (retrieval strategies, eval sets) using OpenAI/Anthropic/LlamaIndex/Langchain.

Own features end-to-end, from system design to React/Next.js frontend implementation.

Stack: Python, Django/FastAPI, React, Next.js, AWS (RDS/Postgres, Terraform), Vector stores.

Contact: Email me directly at robert+hn25@ezra.fi with your resume, or apply here: https://www.ezra.fi/careers/principal-fullstack

Nova Credit | Remote (US, Canada)

We're building a unified platform for credit and financial data to power financial inclusion globally. Our mission is to unlock economic opportunities for consumers historically excluded from traditional credit systems by transforming diverse data into actionable risk insights. We are YC company backed by investors from Canapi Ventures, Kleiner Perkins, General Catalyst, and Index Ventures

-> Hiring software engineers from Mid-Level to Staff

-> Tech stack: Node.js, React, TypeScript, Python, PostgreSQL, AWS

You'll work on enterprise-grade APIs, data integrations, advanced analytics, and seamless user experiences. We're looking for engineers who thrive in fast-paced environments and want to make a meaningful impact on financial inclusion.

Apply at https://job-boards.greenhouse.io/novacredit and mention HN.