whoishiring.jobs

Absinthe Labs | Senior Frontend Engineer | Remote or NYC Hybrid

Absinthe Labs is scaling Web3 loyalty and engagement, with over 20M visits and 2M+ users since our founding in 2022. We built the first Web3-native customer data platform, and we’re now seeking a Senior Frontend Engineer to design and lead our admin interface for loyalty program creation and management.

Role Highlights:

Platform Development: Build intuitive, user-centered interfaces for incentive designers using Radix UI, Tailwind CSS, and Next.js. Data Integration: Develop figma-like tools for configuring data sources and a WYSIWYG builder for custom white-label loyalty portals. Data Visualization: Create dashboards with analytics that provide measurable insights and forecasts for incentive mechanisms. Customer-Centric Iteration: Collaborate with founders and designers to iterate based on direct customer feedback.

What You Bring:

Experience: 5+ years in frontend engineering, ideally in workflow design, adtech, or high-growth tech settings. Technical Skills: Expertise in React, Next.js, and translating Figma prototypes into production-ready interfaces using Radix UI, Tailwind CSS, and shadcn, along with advanced styling solutions like CSS Modules and Styled Components. Cloud & Security: Proficiency with AWS Amplify, Cloudfront, and secure data handling practices (e.g., CORS, CSP). Knowledge of Next.js SSR and containerization with Podman or Docker. Backend Integration: Familiarity with Hasura for backend workflows and integrations. Startup Agility: Thrive in a fast-paced, impact-driven environment.

Why Absinthe Labs?

Impact: Join a tight-knit team working on high-ownership projects that drive Web3 loyalty innovation. Flexibility: Remote or NYC options. Compensation: Competitive package with direct access to leadership

Apply Here: https://absinthelabs.notion.site/135dfbd9a95880c38129f055c38...

Steel.dev | Founding Engineers (Full-stack, Infrastructure, Applied AI) | Remote EST ± 5 hrs

Steel is building open-source browser infrastructure for AI agents & apps. We make it easy for AI engineers to ship products that interact with the web using our Sessions API - An API that controls fleets of browser sessions in the cloud while we handle everything from scaling to antibot and more.

Our tech stack: - Frontend/Backend: Typescript, React/Next.js, Node.js, Fastify - Infrastructure: Firecracker VMs, Docker, AWS - Key tools: Zod, Drizzle, Redis, PostgreSQL

We're a small but fast-moving team looking for experienced engineers who thrive on autonomy and technical challenges. You'll work directly with our founding team to make Steel the go-to browser infrastructure powering the next billion AI agents. If you love dev tools, open-source, and/or AI, you're at the right door.

Current roles (all roles include competitive comp + equity): - Full Stack Engineer: Build dev tools, APIs, and UIs to help devs control browsers at scale - Infrastructure Engineer: Design, optimize, and scale our browser VM infrastructure - Applied AI Engineer: Work on integrations, agents, and real-world AI use cases

With 2.8k+ GitHub stars, paying customers, and millions of API calls served, we're building a remote-first team that's shaping how humans interact with the internet of the future.

Learn more: https://steel-dev.notion.site/jobs-at-steel To apply: Email careers@steel.dev with Github & resume (mention HN)

Flexhire.com | Senior Full Stack Engineer | Full time | Full Remote (EU, Americas, Eastern Europe, Africa)

Flexhire is a modern 3-in-1 HR platform, ATS and talent network that helps our clients scale their businesses faster, leveraging cutting edge AI and science-based hiring best-practices. Our clients include Fortune 500 companies and venture backed startups. We allow them to focus on what they do best while we help them seamlessly find, employ, manage and pay the best talent anywhere in the world.

Stack: Next.js, React, MUI, Ruby on Rails, GraphQL, Postgres

https://flexhire.com/careers/full-stack-software-engineer

Trunk | https://trunk.io | Senior Software Engineer- Platform -San Francisco HQ Software Engineer II -Full Stack- 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

Klyo | NYC, In Person | Full Time | Full Stack Engineer | 100-150k, 1-2% Equity

At Klyo AI, we’re building the AI-powered data and marketing assistant for small businesses, starting with the med spa space. Forget dashboards, charts, and data tools—our AI seamlessly connects fragmented data to provide actionable insights, next steps, and clear answers, delivered in real time through text or email.

We’re pre-seed, growing fast (with paid clients who love us), and ready to scale. As our Founding Engineer, you’ll be at the core of building, improving, and scaling our technical foundation and direction, helping us bring this vision to life.

We are looking for product-minded full stack engineers who:

   - Have had 5+ years of hands-on software engineer experience, especially at earlier stage startups
   - Have experience leading projects end-to-end and taking ideas from conception to execution and iteration independently
   - Are technically versatile:
      - Experience building in AI/ML or NLP agents (OpenAI, LLMs, data pipelines, etc.).
      - Strong backend experience with any programming language (we use python)
      - Has worked with AWS infrastructure and PostgreSQL
      - Familiar with React, Next.js or something similar for small/medium sized applications
   - Customer-Focused: You care about solving real problems for users and  can balance technical decisions with customer impact.
   - Resourceful & Scrappy: You love taking ownership, moving quickly, and figuring things out with limited resources.

What We Offer

   - Meaningful Equity (1-2%) in a fast-growing pre-seed startup.
   - Competitive starting salary: $100K–$150K (with room for growth)
   - A chance to be a foundational part of Klyo AI and shape the technical future of a product solving real customer pain points.
   - A collaborative, product-focused environment with a mission to change how small businesses use their data.

How to Apply

Email your resume and a few sentences about why you’re excited to join Klyo AI to founders@klyo.ai.

Primitive Instruments | https://primitive.tech | NYC or Remote | Full Time or Contract | $150k+

Hey HN, we’re looking for full stack engineers and generalists over at Primitive Instruments Corporation. At Primitive, we make tools that help hardware engineers ship faster. We work with companies building next-gen silicon to startups building small fleets of various devices.

We’ve built a ton already and have customers running their entire CI/CD stack through our platform. This includes things like per commit / nightly simulation jobs, data retention, hardware observability, and more.

If you’re interested in building next-gen infrastructure for engineers building physical devices (with an awesome and passionate team!), please shoot us an email at work at primitive.tech

Core Technology Stack: Python, Django, GraphQL, React, Next.js, Postgres, Redis, RabbitMQ and Kubernetes (also an increasing amount of Rust).

Some Tools/Libraries We Use: UV, pnpm, Turborepo, Strawberry GraphQL, Tanstack Query, Shadcn, Click, Celery, Docker, Loki, Prometheus, etc.

Primitive is a small (<5), early-stage VC-funded startup.

Centry Capital | Founding Engineer & Senior Software Engineer roles | REMOTE (±3 hours CET) | https://centry.capital

Full-Time Revolutionising wealth management with AI-driven automation. Founded by repeat fintech entrepreneurs with multiple successful exits. Seeking a Founding Engineer and Senior Engineers to build our AI-powered digital family office platform. You'll architect and implement agent based AI/ML workflows. Ideal candidates: 8+ years experience building scalable systems and comfortable working across the entire stack: frontend, backend, data engineering, AI engineering, infrastructure and even product.

Experience operationalising AI/ML workloads, having a strong product sense and entrepreneurial mindset are requirements. Fintech experience is desirable.

Some core technologies: Next.js, Python, LangGraph, PostgreSQL, Kubernetes.

Compensation: Competitive base salary + equity. Apply: careers@centry.capital

MyAlloy | Remote (NYC based) | Full-time (US) or Contract (international, +-3 CST)

MyAlloy is on a mission to revolutionize menopause healthcare for women over 40. Recognizing the lack of effective solutions for the 47 million women entering menopause annually, MyAlloy provides evidence-based solutions and expertise to help women feel fantastic during this phase of life.

Our small, in-house development team builds and maintains a marketing site, customer portal, internal apps, and backend systems to connect to our doctor portal, payment systems, and pharmacy fulfillment. You'll receive quite a lot of ownership, but we'll support you every step of the way.

* Mid to Senior Operational Support Engineer (2+ years experience) $110k-$140k

Working from within our Engineering team, you will be a champion for the tools and processes that drive the success of our technical and non-technical internal users. This includes:

- Managing and expanding tools built for our internal teams.

- Understanding, resolving, and automating away manual intervention tasks

- Identifying, triaging, and resolving bugs

- Bringing our alerting and monitoring strategies to the next level

We are excited to hear from "career-switchers" with substantial coding experience as well as reliability engineers, dev ops, and product developers with traditional experience on engineering teams.

* "Hands On" Front End Engineering Manager (6+ years experience) $150k-$190k

We are looking for a software engineer with significant experience in leading teams as well as building, deploying, and supporting substantial, live applications. In coordination with our Lead Front End Engineer, you will lead a team of talented developers in developing MyAlloy's Front End offerings. Some upcoming projects in 2025 include:

- Deeply integrating CMS tooling to allow internal teams dynamic, self-service authoring capabilities

- Design, implement, and release a mobile app

- Audit and improve site performance metrics (SEO, Accessibility, etc.)

The ideal candidate is someone ready to lead through example, and so we're excited to talk to folks ready to roll up their sleeves and dive into our codebase.

Tech: Typescript monorepo, React, Next.js, Node, Retool, Metabase, Postgres

lucas [at] myalloy.com - no agencies