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

Metabase | https://metabase.com/ | REMOTE | Full-time | Backend Engineers, Frontend Engineers, and Engineering Managers

Metabase is an open source (https://github.com/metabase/metabase) business intelligence software that lets anyone in your company rummage around in the databases you have. It connects to a number of databases / data warehouses (BigQuery, Redshift, Snowflake, Postgres, MySQL, etc).

Here's a dashboard that has some interesting stats about Metabase: https://stats.metabase.com/public/dashboard/92d6b7ea-7526-48...

This dashboard is built with Metabase so you can see a bit of the product as well.

People rather like the product (https://metabase.com/love). We're a remote team full of people who care about user experience, making complicated things as simple as possible and building things. We have a deeply pragmatic engineering culture and value building things that people actually use vs whatever closes a deal or makes for a good press release. We are doing some interesting things with LLMs and figuring out how to make data explorations with LLMs reliable, inspectable and useful.

Tech stack: Clojure on the backend, Typescript and React on the frontend

Frontend Engineer role:https://jobs.lever.co/metabase/8f02d3fa-edf4-4433-a6d1-4f9e5...

Backend Engineer role: https://jobs.lever.co/metabase/85f454d8-e795-4978-8a2b-4b8bf...

Engineering Manager role: https://jobs.lever.co/metabase/5bf3233d-a162-47b2-8d85-d3650...

40GRID - Full-time Remote | Senior React Native Mobile Engineer

Our mission is to empower field-service companies to grow by modernizing and automating their business operations. Every company we work with has unrealized potentials — our task is to build the platform that empowers growth and helps them unlock opportunities.

Email: Email is hidden (no recruiters or agencies, please put HN in subject line, thanks).

Tech: React Native

ThredUP | Sr. Infrastructure Engineer | Full-time | Remote (Mexico)

We’re thredUP, the largest online thrift store, on a mission to inspire a new generation of consumers to think secondhand first. We run a high-scale e-commerce platform, and infra is core to everything we do.

We’re looking for a Sr. Infrastructure Engineer based in México. You should be comfortable with AWS, Kubernetes, Terraform, GitHub Actions, observability tooling, and scripting to automate and improve systems. You’ll work on reliability, security, and making our platform a great place for engineers to build.

We only work 4 days a week and value focus and autonomy.

Job posting:

https://thredup.wd1.myworkdayjobs.com/thredup_careers/job/me...

Or feel free to reach out at Email is hidden

Railway | Infra eng - Storage, Infra (Platform) eng, Product Eng (full stack)| REMOTE (Worldwide) | https://jobs.ashbyhq.com/railway?utm_source=daymzwzj0p

Tired of trying to beat kube into shape? Does writing YAML to ship code fill you with utter dread? Dream of a future where deploying software is simple, and you don't need an army of infrastructure engineers to build that perfect janky bash script™ to make life easy?

We're Railway, and we think infrastructure can be better. So far we've built out a platform loved by hundreds of thousands of users who simply tell us "Give me Postgres", "Deploy this repo", and we make it happen

Fair warning! The problems are complex: home-rolled hypervisors, cut-above container orchestration, over/under/whateverlay networks, virtio device drivers, edge proxies, IAM that doesn't suck, kitchen sinks - we need to build it and we're looking for likeminded individuals who think this stuff is fun.

Three open roles (apply below!):

+Infra Engineer - Storage: Apply here: (https://jobs.ashbyhq.com/railway/25d8444a-47dc-4084-ae56-29a...) Blog post about the team: (https://blog.railway.com/p/data-center-build-part-one)

+Infrastructure Engineer(Platform): -Apply here:(https://jobs.ashbyhq.com/railway/b8072f95-043f-404d-a313-f0b...) -Blog post about the team: (https://blog.railway.app/p/team-spotlight-infrastructure-eng...)

+Product Engineer (full-stack): -Apply here: (https://jobs.ashbyhq.com/railway/6ddcfe47-6cce-469b-ba6d-4f0...) -Blog post about the team: (https://blog.railway.app/p/team-spotlight-product-engineerin...)

See you soon, and happy shipping.

Monterra | Remote | Full Time | Sr Full Stack Engineer | https://monterra.ai

We’re building an AI-powered design tool that help electrical contractors plan and win projects. We recently raised a $5m seed to grow the team.

Stack: React, TypeScript, Postgres

If you want to ship software that has a real impact on the built world, apply @ https://jobs.ashbyhq.com/monterra/4f8941c3-f2d6-4b45-a908-e0...

Puntt.AI | Founding Account Executive & Founding Growth Marketer (AI-first) | Full-time | Remote from New York, London or San Francisco)

Our mission is to build AI systems that review the world’s work so people can focus on progress, not process.

Founding Account Executive: help build and own our GTM motion from the ground up. If you're excited about building in public, owning revenue from zero to one, and working directly with founders—you’ll thrive here. Comp: $160k OTE + benefits/bonus

Need: - 2–5 years in B2B SaaS sales or agency partnerships. Experience selling into marketing or creative teams is a big plus.

More info & apply https://wellfound.com/jobs/3340879

Founding Growth Marketer: drive early pipeline and positioning. You’ll work directly with the CEO and own everything from narrative → campaign execution → GTM growth experiments. Comp: $110-$140k base + benefits/bonus

Need: 2–6 years experience in B2B SaaS, creative tech, or growth marketing. Strong writing chops, creative instincts, and a bias for speed.

More info & apply https://wellfound.com/jobs/3349975

Please reach out to Christina via Linkedin for more info: https://www.linkedin.com/in/christina-kayler/

MONUMENTAL | https://www.monumental.co/ | Amsterdam, The Netherlands | Full Time | Onsite

We make robots that autonomously construct buildings. We are currently developing and manufacturing our autonomous bricklaying system in the beautiful centre of Amsterdam. And our robots are already earning real revenue operating on construction sites all over the Netherlands.

We're looking for experienced FULL-STACK ENGINEERS who can help us solve problems like:

- Data sync and analytics queries across a fleet of robots (that can be offline for hours at a time)

- Rapid deployment and iteration of experimental software changes across firmware, control software and UI

- Modelling buildings in code and finding the right UI for operators to edit them

Check out the progress we've already made on Atrium, our operating system for robotics: https://www.monumental.co/atrium

We're rapidly scaling up operations and we need experienced, generalist engineers who can build the systems that manage all of that complexity. If you think that 'full-stack' could reasonably mean debugging firmware, mixing buckets of mortar _and_ writing React components, we are looking for you. Robotics experience not required!

https://www.monumental.co/jobs

Eclypsium | Portland (US), Córdoba (ARGENTINA) | ONSITE / HYBRID | Full-time & Professional Practice Program (Cordoba) https://eclypsium.com/company/careers/

We protect devices from chip to cloud—securing firmware, hardware, and the supply chain beneath the OS. Fortune 100s and federal agencies run us in production.

- Senior Network Device Software Engineer – Córdoba, AR

- Senior Software Engineer – Córdoba, AR

- Senior Software Engineer (C and C++ Focus) – Córdoba, AR

- Senior Product Manager – Portland, OR

Why Eclypsium:

- Startup speed, real impact

- Equity, full health, flex PTO, parental leave

I’m Rob (Email is hidden). Eclypsium found me via HN. If a role fits, please apply at the link, and feel free to reach out with questions.

Please refer talented Argentinian friends to this post and have them reach out directly to me if they have questions, I can connect them with the appropriate person in the office.

Broadn Inc | https://www.broadn.io | Founding engineer | NYC - USA | Full-time | ONSITE in NYC - US persons only | Full-stack |

Broadn is an early-stage company. We work with USA manufacturers to help them accelerate the configuration, pricing and quoting process for their industrial products. Our customers are manufacturers operating in electronic parts, pipes, packaging, aerospace, defense and metal parts.

Our ideal software developer has an incredible curiosity, experience across full development stack. We expect production environment experience, leading with curiosity, great communication skills and full ownerships over parts of the system . We need to solve problems anywhere from the CNC machine to multi-datacentre GovCloud so we look for a problem solver with solid understanding of algorithms, data structures that can write efficient minimal solutions.

! This is an ONSITE role in NYC.

We cannot work with non-US Persons due to the nature of our work and clients we serve. All technical interviews will be * ONSITE in NYC*. Unfortunately we will not cover travel or relocation expenses.

Skills we seek in candidates for this role:

- Proficiency in TypeScript and JavaScript for backend and Front-End - this is our core tech stack

- Nodejs, typescript, javascript, bun

- any experience with any of: python, java, scala, rust, go, C#, C/C++

- AWS, GCP, AWS GovCloud, Azure

- React, Vite

- OOP, functional programming

- data structures and algorithms

- Experience with dev tooling:, bash, git, Docker, cloud infra, Linux environments, CICD

- Ability to write minimal, efficient code that solves problems elegantly

Please reach out with your resume directly to @victor with broadn.