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:

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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.

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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

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

Clerq is a NYC based fintech startup building the next generation platform payments platform 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 already powering payments for several of the most recognized brands in the industry. 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 right now of 3 engineers so are looking for a senior or staff level engineer who is excited by big opportunities and eager to ship.

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

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

Carbon AI | Founding Eng | Remote-first (US) | https://carboncre.ai/

- Product: AI-automated commercial real estate workflows to tackle necessary but mind-numbing tasks that human analysts typically perform.

- Funding. $4m seed round from Bling Capital, who also funded the last startup my cofounder and I created in the same space (exited to Built Technologies, which represents 10% of all US construction spend)

- Traction. We’re still building out the product, but have design partnerships with 4 prominent firms in our space, who together comprise 25% of the market we’re targeting.

- Team. You'd be joining as Eng #2 to pair with our Founding AI Eng. In addition to me and my cofounder, Josh, we also have 3 ex-Google/Uber contractors helping us build faster. Our plan is to transition all development in-house though.

- Tech stack. TypeScript, React, NodeJS, Express, GraphQL, Postgres

- Comp. $175-225k base + above-market equity.

Note that while this is a remote-first role, we value having some in-person collaboration so we’d be looking for you to visit our office in Philly ~1x/month.

JD: https://glamorous-sloth-8e8.notion.site/Founding-Full-Stack-...

Feel free to message me directly at jeff.saul@carboncre.ai. Thanks!

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.)

Drone startup | Product Engineer (Typescript) | 1 day/week in the office (London, UK) | Citizens of the UNITED KINGDOM only

You'd be working with engineers who previously worked at Google, Amazon, Helsing, Darktrace and an F1 team. We build drones (software and hardware)

We're looking for engineers that straddle real world problems, and use technology as a solution. We prefer personal projects or relevant hobbies, not hard leetcode questions. We value collaboration: pair programming, discussing, teaching and learning from others. We're looking for mission-driven engineers. People who see problems in the world and want to help solve them.

You'd be working with me to build the most intuitive, performant, and modern mission planning and flight monitoring software for drones, and related applications (tools for drone design and manufacturing). For my project, we use React, Tailwind, Node, drizzle-orm, Postgres, SQLite, deck.gl, Python, FastAPI, asyncio, and more. You're allowed (and compensated) to use AI services.

Because we are a small team, you will be noticed and rewarded for performance.

*Please don’t apply if any of these resonate:*

• You prefer narrow ownership—“I only touch the backend or the code I've written”.

• You think it's more about "who you know, not what you know".

• You haven’t actively learned a new tool or hobby in the last year.

If interested, email my temporary email: hn-july25@mail.orth.uk with your CV and some personalised information about why you'd be the right fit.

My personal website, if you want to know who you would work with: tlduck.com

Edit: sorry my original post had a broken email

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...]

Kaedim | Software Engineer, Machine Learning Engineer, Customer Support Engineer, Product Manager, Founding Recruiter | Onsite | Full-time | San Francisco, Singapore, London | US & UK Sponsorship Available Kaedim is an AI startup building ML algorithms that turn images into digital 3d models. We are a group of ~10 looking to grow the team to help streamline 3d content creation for 3d artists and are already working with 1 of the top 10 games of all time! Using our AI and in-house art team, we have the most accurate, game-ready 2d → 3d asset generation pipeline. Currently, we are offering a 10x speed up to 3D asset creation pipelines of 200+ game developers and we are working with partners like Voodoo, Upland, Azra Games.

Check out our demo here: https://www.youtube.com/watch?v=tlQWFG1DLb0

Job descriptions and application link: https://join-kaedim.notion.site/

Tech Stack:

Product (web app, API): React, MySQL, NodeJS, Python, AWS

Machine Learning: Python, PyTorch, AWS

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

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.

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

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

Fully REMOTE Positions - Full Stack Developer with NodeJS & AWS DevOps

At Noosa Labs, we're acquiring profitable SaaS businesses and growing them. We're in search of two roles. Please use the links below for applying.

Full Stack Developer with NodeJS - full-time, fully remote. This is a customer support platform designed for community-driven companies. The solution enables businesses to support their communities across multiple channels—including websites, Discord, Telegram, Slack, and email—all from a powerful and secure dashboard. We need at least 4 years of relevant full stack development experience; experience building SaaS products; experienced with MongoDB, AWS, Node.JS, TypeScript; fluent English. You'll be a technical owner of the product!

Job Description and application form: https://airtable.com/appH4dOGEi6iiotOE/shrLRucqVhj7WT8aa

Senior DevOps Engineer with AWS - part-time, fully remote. We need someone who thrives in high-traffic, high-responsibility environments. This is a remote-first, part-time role where you’ll take ownership of our AWS infrastructure and be available when incidents occur, especially during traffic spikes or high-usage events. We'll need someone with deep familiarity with high traffic AWS applications, especially ECS, Aurora PostgreSQL, CloudWatch, Lambda, etc.

Job Description and application form: https://airtable.com/appH4dOGEi6iiotOE/shrLg43WT0VUU75T0

Calico | Senior Engineer | Boston, MA, USA (only) | Hybrid

Calico is a digital assets aggregation startup being incubated by Fidelity Labs. We offer the unique chance to have the same impact and freedom to build that a startup does, while having the same stability as a large firm. We're looking for a seasoned senior backend or full-stack engineer with a collaborative personality and eye for clean code to help build out our team and our aggregation API platform.

Our stack at the moment is React/TypeScript/NodeJs/Postgres, though if you're good at Solidity, you should also reach out.

Apply here: https://wd1.myworkdaysite.com/en-US/recruiting/fmr/FidelityC...

And if you do, send me an email at jane.huang@fmr.com so I know to keep an eye out for your application.

OneTake AI (https://www.onetake.ai/) | Full Stack Senior Engineer (React + Node + AI experience) | Fully Remote (CET hours ±4) | Full-time | €90,000–120,000

Hi there, I’m a cofounder of a remote AI startup, reimagining video editing with AI agents. We’re small, friendly, and flat in structure, and we place a high value on autonomy, initiative, and embracing complex challenges.

Our stack: React (front-end), Node.js (API backend), Docker & Kubernetes for deployments, AI/LLM APIs.

Looking for:

- 7+ years of software engineering experience (3+ in a senior/lead capacity)

- Deep knowledge of NodeJS + experience with FFMPEG and microservices

- Full stack skills

- Comfort shipping prod-ready features continuously (2 week Sprints)

- Experience with unit, integration, e2e tests

- Excellent communication for async/remote work

What we offer:

- Salary: €90,000–120,000

- Fully remote, Europe/EMEA timezone + Flexible hours

- Potential in-person team events in warm, fun locations

Full details + apply : https://www.onetake.ai/team/positions/senior-engineer