Mobian | https://themobian.com/ | Senior Software Engineer | REMOTE

Mobian is a new venture from the founding team behind Moat (acquired by Oracle), reimagining brand safety, contextual intelligence, and targeting in digital advertising. We leverage advanced AI and LLMs to analyze content—across text, image, audio, and video—for sentiment, tone, risk, theme, emotion, and more. Our signals power both measurement and media activation, helping brands and publishers identify and target high-quality, high-impact content with precision. Seeking Senior and Staff Full-Stack individual contributors and DevOps talent. Backend development (Python, APIs, cloud infra) and front-end work (React or similar, client-side JS tags).

Ideal candidates have 10+ years of experience, a self-starter attitude, strong coding skills, and deep familiarity with cloud infrastructure.

We are an early and lean team. Reach out @ careers@themobian.com

Cosuno | Senior Full Stack Developer (TypeScript) / Senior Machine Learning Engineer – Generative AI | Remote (EU) / Berlin | Full-time | https://www.cosuno.com

Cosuno is a fast-growing tech startup revolutionizing the construction industry with our digital platform for tenders and procurement. We use AI to analyze millions of price data points, helping construction companies create precise and efficient bids. We're looking to expand our team with creative minds who want to solve real-world problems and reshape a massive industry. We are an open-minded, collaborative, and international team.

We're hiring for two key senior roles:

---

Senior Full Stack Developer (TypeScript)

Location: Remote (EU) / Berlin

Stack: TypeScript, React, Node.js, Cypress, Kubernetes, AWS

Mission: Take full ownership of features on both the frontend and backend of our product. You'll have the responsibility to extend and build upon our platform to make it more valuable, reliable, and maintainable. We value a trunk-based development workflow with daily releases, comprehensive end-to-end testing, and a solid CI/CD pipeline.

You have: 5+ years of hands-on engineering experience, substantial expertise in JavaScript/TypeScript, and experience with Node.js (React is a plus). You thrive in an agile environment and have a pragmatic, startup mindset.

---

Senior Machine Learning Engineer – Generative AI

Location: Remote (EU) / Berlin

Mission: Own end-to-end ML workflows from data ingestion to production deployment. You will dive deep into core application domains like price prediction, two-sided market design (ranking/recommendations), or agentic workflows using state-of-the-art LLMs. A key part of your role will be establishing and enforcing MLOps and LLMops best practices.

You have: 5+ years of ML engineering experience, with at least one year working with LLMs. You possess strong Python skills, a proven track record of deploying containerized services (Docker, Kubernetes), and deep expertise in at least one of the following: deep learning (PyTorch, Transformers), ranking/matching algorithms, or LLMops (RAG, evals, fine-tuning).

Interested? To apply and for more detailed information, please see the full job descriptions on our careers page: https://www.cosuno.com/en/company

BubblyDoo | https://bubblydoo.us | Full-Stack Software Engineer | Onsite (Antwerp, Belgium) | Full-time | €60k+ with meaningful %

At BubblyDoo we believe the future of children's books will be personalized. We are on a mission to enable this worldwide, using our platform and website. We sell our products in 16+ countries, in many languages. In 2024 we were the 9th fastest growing tech company in Belgium.

We’re hiring a Full-Stack Software Engineer (3+ years of experience) to be the right hand of the CTO.

We’re looking for a highly autonomous person that understands the priorities of a startup and can balance nice to haves with company priorities.

This role includes working on various parts of our code and being fully responsible for implementation of new features, integrations, bugfixes, research, planning, etc throughout the whole stack.

Our stack includes TypeScript, Next.js on Vercel, Cloudflare Workers, tRPC. Common tools include PostHog, Klaviyo, Grafana, Fivetran.

If you’re interested, please email me at hansottowirtz@bubbly-doo.com

Hi there,

I'm Nikunj Makwana, a full-stack developer. I work with Next.js, React, TypeScript, Tailwind, Express, Prisma, Postgres, MongoDB, and Solana wallet adapter to build fast, scalable apps end-to-end.

Portfolio site: https://nikunj-portfolio.vercel.app/ GitHub: https://github.com/Nikuunj LinkedIn: https://www.linkedin.com/in/makwana-nikunj/

If anyone here knows about any opportunities in frontend or full-stack development (remote preferred), please let me know.

Thanks, Nikunj

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...

Findigs | Full-time | NYC | 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...)

Hopkins (hopkins.pe) – Founding Full‑Stack Engineer Location: REMOTE (UTC‑3 → UTC+3 preferred, open worldwide)

We are building an AI analyst that lets private‑equity teams surface deals sooner, model targets faster and publish sharper insights. Backed by tier‑one angels (Nas, Chad Hurley, Jeffrey Katzenberg, Andrew Bogut, Elefund), we’re live with paid design‑partner funds and now need our first dedicated engineer.

Stack TypeScript, Node.js, Next.js 14, Postgres + Prisma, OpenAI function‑calling, Vercel, AWS (VPC, EB, S3, RDS).

You’ll own schema design, LLM prompt/tool orchestration, and AWS/Vercel deployment from day one.

Comp £95–120k / $120–150k + 0.5–1.5 % equity | Full hardware & conference budget.

Apply → email chris@valandor.ai with:

GitHub/portfolio link 2. 2‑sentence note on why Hopkins’ PE problem excites you.

(Founder‑run, one post only. We reply to every serious application within 5 business days.)

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 62 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

---

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

Breezy | Product Engineer (Fullstack) | Remote (US) | Full-time | $175k–200k + Equity | https://www.getbreezyapp.com

Breezy is modern field service software for residential HVAC companies. We combine strong product design, close customer collaboration, and best-in-class technology (including LLMs, when they’re the right tool for the job) to help contractors run better businesses. We’re already replacing legacy systems like ServiceTitan and Housecall Pro.

We’re a small, senior team with a track record of scaling successful startups. We work fast, stay focused, and take pride in shipping high-quality software with a strong sense of ownership.

We’re hiring a senior Product Engineer to help build and shape the product. You’ll contribute across the stack (TypeScript, React, Node.js, PostgreSQL) and own features from concept to production. You’ll play a key role in a high-velocity environment where ideas quickly turn into shipped product.

We’re looking for someone with broad technical range, depth in a few areas, and strong product instincts. Someone who’s practical, self-directed, and cares about building things that actually have an impact on our customers' lives.

Tech Stack: TypeScript, React, Node.js, PostgreSQL Comp: $175–200k + equity, full health benefits, 401(k), remote-first with periodic team offsites To apply: Email jobs+july25@getbreezyapp.com with your resume and links to your work (Github, LinkedIn, Personal Site)

Akkio | US Fully Remote | Full-time | Senior Web, Backend, and Data Engineers

Akkio is building applications and agentic workflows for media agencies: audience building and distribution, measurement / campaign analysis, media planning, etc. Generative and traditional AI/ML. See https://www.akkio.com

* Senior web full-stack role; 150k-210k w/ equity. This is really a principal role just Akkio only has 2 job titles (currently). Looking for an experienced candidate who's run projects, guided architecture, lived through framework upgrades and large code refactors, and wants to build a great customer experience; Vue.js, Typescript, Node.js. https://www.akkio.com/jobs/senior-frontend-engineer

* Senior backend role; 150k-210k w/ equity. Looking for an experienced candidate who's interested in at least two of: statistics, code generation, LLM usage, traditional AI/ML, large data processing, and/or distributed systems development. https://www.akkio.com/jobs/senior-backend-engineer

* Senior data engineer role; 140k-180k w/ equity. Periodic travel to NYC is required; this role is to help Akkio engage new clients onto the platform, and media agencies value face time (at least at first). SQL is a must and python & dbt are bonuses. https://www.akkio.com/jobs/senior-data-engineer

All candidates must be authorized to work in the US

Moonchild | Software Engineer - AI-Native Startup | Remote (US only)

We're building the future of product design in this new AI world. We're early stage, fast-moving, and building something that matters with people who move at your pace. You're fast. Not "I'll get it done eventually" fast—actually fast. You ship features while others are still in planning meetings. You've probably built multiple projects that real people use, and you did it without a massive team or budget. You're also restless. The idea of maintaining legacy code at a Fortune 500 company makes you want to quit tech entirely. Top 1-5% LLM user (you're already building with AI)

Track record of shipping user-facing applications

Strong design intuition (your work doesn't look like developer art)

Excellent communication (you can explain complex things simply)

Ownership mentality and agency (you see problems and fix them)

Open to feedback and accountable for results

Proof you've worked on multiple projects

2+ years experience, authorized to work in the US You'll work across frontend development (React/TypeScript), backend services (Node.js), AI integration and development, and infrastructure (GCP). We're not looking for a specialist—we need someone who can move between these areas as needed. Growth: Steven has a track record of turning promising engineers into exceptional ones. Equity: We're early enough that your equity could be life-changing, growing fast enough that it won't take a decade to find out. Problems: You'll work on cutting-edge AI applications, not CRUD apps or marketing websites. Perfect for new grads who can demonstrate exceptional velocity and AI-native thinking, or experienced engineers who haven't been slowed down by corporate processes. Apply here and mention your fastest project ship time:[https://wellfound.com/jobs/3313464-software-engineer-ai-nati...]

Onja | Front end Course Designer & Back end Course Designer & Full stack Course Designer| Full-Time | ONSITE - Madagascar

Looking to join a social-impact driven company? Are you a software developer ready to use your skills for good? Onja trains underprivileged youth into world-class software developers. We are on the lookout for Course Designers who can help our students go from ‘what is coding’ to working in Global tech teams. Help build a scalable course that will help train Madagascar’s brightest young people, while working alongside a team of talented, fun colleagues from all over Madagascar and the world.

Please apply through the following links: 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

VerOps | Austin/TX | Full-time | Remote | https://verops.com

VerOps makes Simscope, the best hardware simulation monitoring and triage tool. This tracks millions of simulations daily, and is used by hundreds of verification engineers, across a variety of companies, to be more productive and make higher quality silicon designs.

Seeking Junior Full-Stack (or Backend) Software Engineer:

- Detail oriented with with excellent communication skills.

- Ideally: you have taken a Computer Architecture course with Verilog.

- Algorithms and database design.

- Familiarity with Golang (Go) or Python. For Full Stack: JS/Typescript.

- Candidate must be located in the US.

Product info is on the website. Please send your resume and a brief intro via email: jobs @ verops.com

Trunk | https://trunk.io | DevRel Engineer | Full Stack Software Engineer II| Senior/Staff Full Stack Engineer | Senior Platform Engineer Full-Time | Hybrid SF or Remote US or Canada

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. We've built 4 products so far and have plans for more:

  * Code Quality: a universal linter/formatter, available as a CLI, VSCode extension, and CI check;

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

  * CI Analytics: detects, quarantines, and eliminates flaky tests from your code base. Prevents flakey tests from producing noise and blocking CI.

  *Flaky Tests: Detect and eliminate Flaky Tests.

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

Monad Foundation | Senior Full Stack Engineer (Web3) | Full-Time | Remote

Job Description: https://jobs.ashbyhq.com/monad.foundation/2242c712-d2cf-4fe5...

Tech Stack: Typescript/Javascript, React/Next.js, Node.js, Solidity

The Monad Foundation is a team of dedicated ecosystem and community builders who are on a mission to massively grow the impact of decentralized tech. We believe that the Monad blockchain--the performant and parallel EVM Layer 1--will help decentralized apps eat the world.

For more info, please visit www.monad.xyz or our careers page (https://jobs.ashbyhq.com/monad.foundation)

Chronograph (chronograph.pe) | DevOps Engineer | Full-Time | Remote (US) | $140-160K 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

Treez | Multiple roles | REMOTE (India) | Full-time |

We’re a Series C US-based startup building an SDK and a platform that powers compliant payments in regulated industries. You’ll join a high-context, low-process team that’s built critical systems. We care about clean abstractions, good alerting, and boring reliability.

—

Senior SDE:

- Have 5–8 years experience designing and building backend systems (we mostly use Node.js, Python, Postgres).

- Can lead projects, unblock others, and reduce scope smartly to ship.

- Know tradeoffs between queues, retries, transactions, and idempotency.

- Can jump on production issues with clarity.

- Love mentoring, reviewing PRs, and simplifying messy systems.

- For more details: https://hasjob.co/treez.io/tfm7q.

—

SDE 2:

- You'll own critical paths in our payments stack — from clean APIs to resilient integrations.

- Design for reliability, idempotency, and scale in a high-throughput system.

- Reduce complexity: improve latency, simplify data flows, automate root cause visibility.

- Shape the system, not just the code — with engineers who think in invariants.

- For more details: https://hasjob.co/treez.io/gnvpl.

—

Say hi even if you’re not actively looking — we love meeting curious engineers.

Zigment.ai (https://zigment.ai) | Bangalore / Bengaluru, India | Full-time | ONSITE

We make it super simple to build AI agents for sales & marketing teams. Zigment is a customer journey platform.

Why should you join us?

- Small & lean tech team. - See AI in action with enterprises. - Build reliable & scalable ai systems. - Passion for tech & ai. - Access to the latest AI coding & productivity tools.

Roles:

We are hiring for software engineers and forward-deploy/integration engineers.

For SDE, you will need experience with TS/JS/Python.

Location: Bangalore, India

* We are also accepting interns & new graduates. Feel free to send the email below. *

To apply:

Send your resume to contact@zigment.ai with "Saw HN Post" in the subject line or mentioned in the email.

Our process is speedy. Looking forward to your application.

Freed | Software Engineers (Fullstack / AI), EM / Tech Lead Manager, UX Design | 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.

In addition to engineering, we’re now hiring our third product designer. You'll help shape what design means here, raise the bar for UX, and craft products that make a deep impact. If you’re excited about exploring new AI UX paradigms and making an impact that goes beyond design. Our team is small, kind, mission-driven — and deeply ambitious. We’re looking for someone who’s excited by ambiguity, energized by building, and who cares as much about pixels as they do about people.

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

Comulate | Senior Engineer (3+ YoE) | ONSITE in San Francisco, CA

We're building automation software for the $7T insurance industry, accelerated by AI. Seed stage in terms of headcount (~ 20 people) but Series B in terms of business traction (+ cash-flow positive). We've intentionally stayed under the radar.

- Product has caused customers to literally cry tears of joy

- Experienced eng team from Airbnb / Brex / LiveRamp

- Stack: TS, Postgres, React, GraphQL, and Next.js

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