Trak | Front End and Senior Back End AI Engineers | Full Time | Remote US (core hours are Eastern US)

We are a rapidly growing, institutionally funded company at the forefront of the fastest growing‬ segment in the automotive industry. Our cutting-edge service is transforming the collision‬ center industry, and our innovative software is vital to our success. The engineering team builds‬‭ systems that deliver exceptional user experiences and drive value for our customers. We are‬ committed to creating impactful software solutions while fostering a collaborative and inclusive‬ work environment.‬ ‭ We are seeking an experienced Software Engineer to join our team. Our multi-tenant‬ architecture includes React with Typescript backed by Node and PostgreSQL and is deployed to‬ Google Cloud Platform using git actions and Terraform. Background data wrangling often‬ involves Python and BigQuery.‬

We are actively hiring for: - Front End Engineer - Senior Back End AI Engineer

More Information: https://adastrak.com/careers Please send resumes and questions to careers@adastrak.com

Ageospatial (www.ageospatial.com) | AI Solutions Architect / Founding Engineer | Remote or EU/Switzerland

Mindset:

- This will be the most challenging (but rewarding) build of your life

- You'll be joining a kind & smart team of engineers that delivers at the highest level

- You're not here for the early startup paycheck, you know the pay is low at the start, instead, you're in for the long game and care about building the most meaningful product of your career

- We are looking for killers, this will be fun and you'll be fairly rewarded

- You think like an architect, execute like a builder and vibe-code like AI

- You ship fast, high standards, low ego

Technologies:

Agent-as-a-Service architectures, Agentic AI, Langchain, LangGraph, Distributed/Parallel computing, Memory management, Autoscaling, AWS, Kubernetes, Microservices, Message Queues, Django, Node, DuckDB (optional), WASM (optional), DeckGL (optional)

Process: 1 - Email to contact@ageospatial.com with subject line: FOUNDING ENGINEER - FIRSTNAME LASTNAME. Include: CV/LinkedIn, GitHub/portfolio/project with impact or revenue. Keep it short.

2 - 10-minute intro call.

3 - 30-minute system design call.

4 - 10-minute team fit call.

5 - Paid two week trial → contractor → founding or senior role. Profit sharing in all phases.

Freed | Software Engineers (Fullstack / AI), EM / Tech Lead Manager, Product Design, Product Manager | SF | https://getfreed.ai | Full-time

Doctors are overworked, burnt out, and are quitting in masses.

I'm head of engineering at Freed, where we combine clinician love with the latest AI tech and intense execution to create products that make clinicians happier.

Our first product is an AI scribe that automates medical documentation. - Acquired 20,000 paying and loving clinicians, >$20M ARR in under two years - Generate 70,000 patient notes daily using ASR and LLMs, and have saved clinicians 2.7 million hours - Created a consumer-grade UX, with greater enthusiasm than any product I've seen (https://love.getfreed.ai/b2xGQ1) - Raised $30M led by Sequoia Capital, and are rapidly expanding our product offering

Our engineering culture emphasizes speed, end-to-end ownership, responsibility, and independence. Our tech stack is React and TypeScript / Node.js.

Apply here: https://www.getfreed.ai/careers?utm_source=AOxjbOpE3X

Showpass | https://www.showpass.com | Calgary, AB | ONSITE (hybrid 2-3 days/week)

Live events platform: ticketing, checkout, organizer tools, orders/settlements, analytics.

Backend (Intermediate to Senior): Python/Django; PostgreSQL; Redis/Celery; ClickHouse; GKE; Docker

Frontend (Senior to Principal): React/Next.js; TypeScript; Design Systems/Storybook; Jest/Playwright; perf/a11y

Solutions (Intermediate to Senior): TypeScript/Node or Python/Django; REST; OAuth2/OIDC/SAML; SDKs/CLIs

Apply: hn@showpass.com

Subject: HN Sep 2025 - <Role>

No recruiters, please.

Holepunch|https://holepunch.recruitee.com|Senior Node.js Engineer|Full-time|Remote

Job requirements

Significant experience with Node.js; Experience with C/C++ and writing native bindings for Node is a plus but not required; A strong background in building and managing modular codebases and creating reusable npm modules; Robust Testing & Debugging experience; Passion for P2P Technology is a plus.

Why Holepunch?

This is more than just a job; it’s an opportunity to be at the forefront of the internet’s evolution. If you are driven by innovation and eager to build decentralized solutions that challenge the status quo, join Holepunch. Together, we can create a more secure, inclusive, and P2P decentralized future.

Routefusion (routefusion.com) — Staff Software Engineer — Node.js, JavaScript/TypeScript — Fintech — Hybrid (Austin, TX)

RouteFusion is an API-first platform connecting financial services providers with streamlined payment routing across global rails.

We’re looking for a Staff Software Engineer with: - Expertise in Node.js, JavaScript, and/or TypeScript - Experience building fintech or financial infrastructure products - Strong backend architecture skills and familiarity with scalable microservices

*Location*: Hybrid onsite in Austin, TX *Compensation*: Competitive salary + equity, commensurate with experience *Apply*: Email me directly at brad@routefusion.com with "HN: Staff SWE" in the subject line, or apply via https://jobs.ashbyhq.com/routefusion/5eee669a-ef6b-460a-b689...

I’m Brad Holmes, Head of Engineering at Routefusion, and I’ll be personally reviewing all responses—look forward to hearing from you!

SalesJack | Founding Engineer | Remote (US/Canada) | $200K + equity and benefits | Full-time Sales software platform (CRM, Prospecting Service) for independent businesses in the construction supply industry. Our customers are blue-collar, entrepreneurial teams who have been underserved by technology. We provide them the tools to compete head-to-head with larger rivals (Home Depot, Lowe’s).

Our founding team comes from Uber and the construction industry. We blend modern tech with a strong understanding of customer needs. We have grown quickly and profitably. We just raised our seed round of financing to accelerate growth and further develop our product.

This role is a key hire with a path to VP engineering. You will collaborate directly with founders to build and grow our engineering org:

-Shape the long-term product vision and roadmap

-Recruit, mentor, and lead a high-performing engineering team

-Roll up your sleeves to code, architect, and deploy core platform features

We’re looking for a full stack engineer with experience managing complex data pipelines and infrastructure. Preference for experience in early companies taking products from early stage to scale.

Stack: Typescript, React, Node.js, Python, dbt, Azure, Airbyte

Job Posting here: https://jobs.ashbyhq.com/salesjack/02dcf448-7904-45bf-b776-9... Feel free to e-mail me (Founder/CEO) directly at ryan@salesjack.com

Chronograph (chronograph.pe) | DevOps Engineer | Full-Time | Remote (US) | $150-170K USD + equity

Chronograph was founded to bring next-generation technology to private capital markets. Through our suite of cloud-based analytics and data management solutions, we help many of the world’s largest and most sophisticated venture capital, private equity, and credit funds understand their investment performance in unprecedented detail.

We are looking for a candidate with a generalist background in software development, including 3-5+ years of experience on DevOps, Platform Engineering, Site Reliability Engineering (SRE), or MLOps teams. You’d be joining a small cross-functional team and have the chance to make critical contributions as we scale our engineering team and business.

Our ideal candidate has a passion for automating ops, troubleshooting infrastructure, and creating first-class developer experiences. On top of that, expertise with the following (or similar) tools/technologies is a strong signal of fit: Kubernetes, Prometheus, Grafana, Terraform, AWS, GitHub Actions, PostgreSQL, Node.js, Ruby on Rails, Nix, and Docker.

Note that while this is a remote position, travel to our NYC HQ 3x/year for "team week” on-sites is required.

If interested, apply here: https://grnh.se/1q1yybxf7us

Sharecare | Contract | Remote – South America, Mexico, India, Canada, EU | sharecare.com

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Front-End Engineer

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* Strong experience with React, Next.js, Material UI, Tailwind, and Node.js * Familiarity with PostgreSQL, unit testing, and Docker * Able to build clean, responsive UI and integrate with backend APIs * Clear understanding of component design, performance, and user experience * 3+ years of experience

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Culture & How We Work

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* Competitive compensation based on location * Startup culture with zero BS meetings * Engineers from MIT, Yahoo — tight feedback loops, high code quality * We value ownership, autonomy, and clarity of thought * We don’t hire task rabbits — we want self-starters who care about user impact * Think like a builder, not just a spec executor

email: prashanth.iyer at sharecare.com

Promptwatch | Amsterdam, Netherlands | HYBRID/REMOTE (CET +/- 2h) | Full-time | https://promptwatch.com

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We’re helping companies rank and be visible in AI search /ChatGPT, Google AI mode et.c (GEO) and hiring a Senior Full-Stack Developer.

Work: Own app layer, real-time APIs & queues; ship end-to-end.

Stack: TypeScript, React 19/Next.js, Node/Fastify, tRPC, Postgres, GCP Nice to haves: ClickHouse, Elasticsearch.

You: 7–8 YOE, strong TS/React/Node.

Comp: €65k–€110k + equity.

Apply: https://promptwatch.com/careers/full-stack-developer (mention “HN: Full-Stack Developer”).

Hello everyone. Looking for a meaningful and intrepid change?

We’re hiring at Onja Madagascar: Full stack Course Designer: https://onja.org/careers/full-stack-course-designer Front end Course Designer: https://onja.org/careers/front-end-course-designer Back end Node.js Course Designer: https://onja.org/careers/back-end-node.js-course-designer

Loman AI | Founding Engineer | Austin, TX | Hybrid | Full-Time | $175k - 225k + equity | https://loman.ai

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We are building the best-in-class phone AI for restaurants, enabling autonomous agents to handle orders, reservations, and customer inquiries. As a founding engineer, you’ll shape our core product while working directly with cutting-edge LLMs, developing third-party integrations, and designing scalable APIs.

Unfortunately, we cannot offer visa sponsorship.

Stack: nodejs, typescript, postgres, fastify, docker, redis, react

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Apply at jansen@loman.ai

Full Time and Part Time roles Distark is hiring, an edutainment brand building learning videos for Education. Our small, passionate team creates animated shows and learning tools that help kids (ages 3-9) fall in love with curiosity and real-world learning. We use custom automation to speed up everything from story writing to animation. See what we’re making: https://www.youtube.com/watch?v=c46VaM_VZGU

Open Roles (REMOTE, non US):

Animators (2D/3D or hybrid—experience with AI tools a plus)

Junior Software Developers (Python, Node, JS, or open to learning new tech)

Interns (all backgrounds, generalists, tech, or creative)

We are also looking for writers (different kind of hacking)

Important: You must be a parent (of any age child) We want people who care deeply about kids and learning. Lived experience as a parent is essential—our mission is to build things real families want.

Why join us?

Fully remote, async-friendly Ship real things that impact how kids learn Fast, creative, zero-corporate-BS environment

Direct access to founders; real ownership

Opportunity to shape our tools and shows from the ground up

To apply: Email jobs [at] studyturtle.com with your background, a few sentences about your kids, and why this mission excites you. Please include links to any relevant work.

We are the hiring company and will reply to all genuine applicants. No recruiters, no agencies, please.

Memorang (AI-powered EdTech stack) | Full-Time | Remote Our mission: Build the AI stack for education—an agentic framework to launch, monetize, and power learning apps 50× faster. We bootstrapped to profitability, were voted #1 among 1,500 in the Vercel AI Accelerator, and collectively reach tens of millions of learners.

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Open Roles:

Full-Stack Engineers: Work on mission-critical, rapid POCs to MVPs using TypeScript, React/Next.js, AWS Lambda, Postgres, and Neo4j. Help shape infrastructure and UI for bleeding-edge AI-powered features.

Senior AI Agents Engineers: Own modular agent architecture, RAG pipelines, and LangGraph-based systems in TypeScript/Node.js. Architect reasoning layers, agent memory, and performance tuning for intelligent learning agents.

Product Designers: Design intuitive UX/UI for AI-powered content creation and learning tools. Collaborate closely with engineers on fast-moving features. We're looking for Figma power users who think in systems, move quickly, and have a portfolio of clean, polished, shipped work.

Technical Product Manager: Define schemas, APIs, and workflows that bridge AI research to production. Own developer tooling, agent orchestration layers, and internal platforms like Linear/Notion. Drive clarity, velocity, and scalability across multi-agent, LLM-powered systems.

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Why Memorang?

Remote-first, async-friendly team with flexible hours

Health & wellness stipends, home-office support, paid time off

Opportunity to ship systems used by millions—at a built-for-speed profitable startup.

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Apply here: https://memorang.com/careers

Or email careers@memorang.com with your CV, a short note (1–3 sentences) about which role excites you and why, and a link to your best project or portfolio.

HomeCloud | Senior Cloud Engineer (AWS / Node.js / TypeScript) | Remote (US, EU UTC-6 to UTC+2) | Full-Time (Contractor)

HomeCloud is a fast-growing proptech startup rethinking home inspections, onboarding, and management using cloud-native systems and AI. We just raised a $3.5M seed round from top VCs and are building intelligent infrastructure for the future of homeownership.

We’re looking for a Senior Cloud Engineer to help us build scalable backend systems on AWS using Lambda, Step Functions, DynamoDB, EventBridge, and more. You’ll work with a modern serverless stack, integrate AI services (e.g. OpenAI, Bedrock), and help define our engineering culture alongside the CTO and founding team.

You might be a fit if you:

• Have 5+ years of experience building serverless systems on AWS

• Are fluent in Node.js + TypeScript

• Have worked with serverless architecture and event-driven systems

• Are curious about AI/LLM APIs and how to integrate them into real-world workflows

• Value ownership, pragmatism, and building useful products quickly

This is a high-impact, remote-first role on a small, focused team building the foundation of a data-rich, AI-powered platform.

Remote (UTC-6 to UTC+2)

Apply: https://app.dover.com/apply/HomeCloud/24919848-66d7-48c0-bf5...

Learn more: https://gethomecloud.com/about-us

Clerq | Senior/Staff Engineer | onsite (NYC) | https://clerq.io

Clerq is a NYC based fintech startup building a next generation platform payments platform that delivers a seamless checkout experience for high-ticket transactions. By leveraging modern bank rails, the platform offers the conversion and UX benefits of cards with risk and money movement infrastructure purpose-built for large purchases. Clerq replaces outdated manual payment methods like cash, checks and wires and expensive card surcharges with a smooth, integrated solution that helps merchants convert more customers without sacrificing margins.

We have started with the $1T+ U.S. auto vertical, where our platform is growing rapidly and already powering payments for several of the most recognized brands in the industry including multiple Fortune 500 companies. With proven traction, the company has expanded into high-growth adjacencies including high-ticket e-commerce, private travel and powersports.

We are a lean team and looking for senior or staff level engineers to help us accelerate our growth and build a future that doesn't rely on credit card networks.

Stack: Python/Django, React, Nodejs, AWS Comp: $180-210k + Equity

Email me at nick@clerq.io if you are interested in hearing more!

Trunk | https://trunk.io | DevRel Engineer - Remote US or Canada| Staff Full Stack Engineer | Sr Full Stack Engineer - San Francisco

Trunk is an a16z funded dev tools startup, redefining software development at scale. We aim to solve problems that developers hate by bringing the tools usually built in-house at the best engineering orgs to every development team. Some of our products:

  * Merge Queue: a merge queue, to ensure that PRs are tested in order before they're merged.

  *Flaky Tests: Detect and eliminate Flaky Tests.

  * AI DevOps Assistant: Automate Reccurring DevOps tasks in chat.

In 2022, we raised a $25M Series A led by Initialized Capital (Garry Tan) and a16z (Peter Levine)

Our tech stack:

  * Frontend: Typescript, React, Redux, Next.js
  * Backend: Typescript, Node, AWS, CDK, k8s, gRPC
  * Observability: Prometheus, Grafana, Kiali, Jaeger
  * CLI: C++20, Bazel
  * VSCode Extension: Typescript
  * CI/CD: GitHub Actions
  * General: GitHub, Slack, Linear, Slite

Unlimited PTO (and we all actually take PTO), competitive salary and equity packages! Please apply here: https://trunk.io/jobs

SewerAI | https://www.sewerai.com/ | Staff Full-Stack Engineer | SF Bay Area Hybrid | Full-Time

About us: SewerAI is an AI-powered platform modernizing how cities and engineering firms inspect and manage sewer infrastructure. Using computer vision and geospatial analysis, we’re cutting costs, improving safety, and transforming how critical infrastructure is maintained.

Role: You’ll own features end-to-end: from AI-driven video analysis and mapping dashboards to scalable APIs and polished React frontends. Engineers on our team ship impactful projects like automated defect detection, real-time geospatial dashboards, and large-scale data pipelines.

Our Stack: React + TypeScript, Fastify, PostgreSQL/PostGIS, Prisma, Temporal.io, AWS, Docker, CI/CD.

What you bring: 5+ years full-stack experience with TypeScript, React, Node.js, and PostgreSQL. Bonus for geospatial, computer vision, or AWS.

Why SewerAI: High-impact work improving infrastructure communities rely on. Series B. Hybrid SF Bay Area (2 days/week). $180K–$230K + equity, full benefits, unlimited PTO.

Interested? Apply directly at: https://ats.rippling.com/sewerai-careers/jobs/be01efaa-2168-...

ARound (web-based augmented reality for sports) https://aroundar.com - a Stagwell company - https://www.stagwellglobal.com | Backend Engineer | Remote (Based in UTC -8/-7/-6/-5/-4 timezones only) | 20-40 hours a week TBD | Contract or contract-to-hire

Backend development in support of web-based augmented reality experiences and games for mobile devices. API integration and development. Management of cloud infrastructure and services.

Key technologies are Node.js, Rust, PostgreSQL, Digital Ocean. Experience with video streaming (RTMP, WebRTC). Some degree of familiarity with TypeScript, Vue.js, and Babylon.js is desirable.

Strong interest in sports is ideal (although fandom is optional).

I’m the hiring manager, no intermediaries. I’m not interested in hearing from outsourcing agencies or recruiters. Candidates only, please. Thank you. : )

raven@aroundar.com

Findigs | Full-time | NYC | Hybrid 3x/week in office

At Findigs, we’re transforming the rental experience — making it fairer, stress-free, and more convenient by changing the fundamentals of renting.

We build high-scale applications that streamline renting for millions. Our modern tech stack includes TypeScript, Python, Node.js, React, and scalable cloud infrastructure. We foster a collaborative culture where engineers have high ownership and autonomy, taking features from concept to deployment.

Join our sharp, supportive, and mission-driven team in our newly renovated SoHo/NoHo office.

Open role:

Senior Software Engineer ($180k - $210k) —> Apply here (https://jobs.lever.co/findigs/3b39616d-223f-4326-a500-f804c3...)