Exponent | Lead Engineer, AI Accounting | New York (Flatiron) | HYBRID, 2+ days in office | $160k–$200k + equity | Full-time

Exponent is a financial platform for franchise and multi-location restaurant operators: charge cards, loans, and an AI-powered Accountant that pulls in an operator's POS, bank, payroll and processor data, reconciles it, and automates the monthly close.

You'd own core systems in the Accountant: idempotent ingestion from unreliable third-party APIs, the background jobs that keep thousands of accounts in sync, and the decisions about how LLM classification behaves inside a ledger that has to be right. Full stack, focused on backend architecture. Rails, Postgres, Sidekiq. We ship multiple times a day.

We want someone who ships fast and knows when to slow down. 5+ years, deep experience in any server-side framework (Rails, Django, Phoenix, TypeScript), and fluent with AI-assisted development. Fintech and Rails experience are strong pluses.

Email careers@exponentfi.com with a short note on why this interests you.

Location: Andalucía, Spain (CET) Remote: Yes – remote only Willing to relocate: No (EU citizen – no visa or work permit needed for EU employers) Technologies: TypeScript, React, Next.js, Node.js, Fastify, React Native, PostgreSQL, Prisma, Supabase, Anthropic SDK (Claude), LLM pipelines, Vitest/Jest, CI/CD Résumé/CV: https://saturnodev.netlify.app/ · linkedin.com/in/saturno-mangieri · github.com/theghost1980 Email: saturnob612 [at] gmail.com

Full-stack engineer, 6+ years on 100% remote teams, focused on shipping LLM features to production.

Last role: tech lead for AI call analysis at a US marketing agency. Took the MVP from design to validated delivery in 2 months: a Claude-based pipeline that turns a month of customer calls into coaching reports, with model-free quote verification (every quoted sentence is checked against the transcript, so no fabricated quote reaches a client), batch runs of up to 300 calls with live progress, and cost protection so no paid model response is ever lost.

Before that: product engineer on a crypto wallet with 10k+ users, where I shipped a swap widget that generated $10k+ in direct revenue in its first 5 months and set up the project's first testing/CI environment.

Looking for: full-time or contract roles in AI product engineering or full-stack. Available now. English C2, Spanish native.

Special | Forward Deployed Engineer | NYC | Full-Time | $200-300K + equity

Ex-DOGE team transforming critical American industries with AI. Backed by a16z, Human Capital, Brian Armstrong, Shyam Sankar, and Antonio Gracias.

Apply + vision: special.co/careers + special.co/vision

DigiKey | Search Experience Manager | Thief River Falls, MN | Bloomington, MN | Hybrid

How do you help an electrical engineer find the right part among millions of highly technical, nearly identical components?

We’re hiring someone to own that problem across search, ranking, filters, discovery, experimentation, and AI/LLMs.

Electronics + search is a surprisingly deep problem space.

https://digikey.wd5.myworkdayjobs.com/en-US/Digi-Key/details...

ControlPlane | OpenBao Consultant, Developer | Remote (UK or EU) | Full-Time | £100k-110k

ControlPlane is looking to grow our OpenBao group with consultant and Go developer positions!

OpenBao is a fork of HashiCorp Vault under the Linux Foundation's OpenSSF, the sister project of OpenTofu under the CNCF.

ControlPlane was built as the open source, cloud native security consultancy and later expanded into open source maintenance through Flux CD and now OpenBao in 2026.

Come work with me!

More info and apply here: https://job-boards.eu.greenhouse.io/controlplane/jobs/501252... + https://job-boards.eu.greenhouse.io/controlplane/jobs/502603...

Clad (YC W23) | Software Engineer | NYC | withclad.com Clad is an AI-native platform for utility construction. We help contractors bill accurately, track their work, and automate their operations.

We're a 7 person team in-person in New York City, raised $2.7M, have >3 years of runway, and are growing faster than we ever have.

You'll build a well-crafted product, and work on challenging problems at intersection of AI, construction (mapping), and fintech.

Apply here: https://www.ycombinator.com/companies/clad/jobs/YHGyRSf-soft...

Or email me at jason [at] withclad [dot] com

EIOU

SEEKING FREELANCER | Devops Engineer | Remote - UK or EU

getregistered is a better way to do event registration.

We're looking for an experienced devops freelancer to help manage and enhance our GCP + Terraform + GitLab based stack in our SOC2 / PCI environment. Candidates must be willing to undergo a background check.

Please email hn@getregistered.com with LinkedIn / CV / Samples of work.

TheraPlug | Founding CTO / Technical Lead | Detroit preferred; remote considered | Equity-first, pre-funding

I’m Marcelus Brice, founder of TheraPlug (https://theraplug.health). We’re building a behavioral health platform focused on making it easier for patients to find appropriate therapists and access care through insurance, starting in Detroit.

We’re looking for a hands-on technical leader who can build alongside a lean team and help recruit its founding engineers. You don’t need a previous CTO title, but you should have shipped and operated production software.

The product will support iOS, Android and responsive web, including:

• Patient and provider onboarding, scheduling and secure messaging. • AI-assisted therapist matching based on clinical needs, preferences, insurance and availability. • Provider credential verification and payer enrollment workflows. • Insurance eligibility checks and estimated patient costs. • Secure video sessions and clinician-reviewed AI documentation.

Relevant experience includes full-stack development, mobile apps, healthcare integrations, sensitive-data security and practical AI implementation. We value clear architecture, accessible design and thoughtful use of established services.

Compensation: We are pre-funding and cannot offer an immediate cash salary. We’re seeking someone interested in an equity-first founding role, with a planned transition to salary when funding supports payroll. Equity, responsibilities, time commitment and compensation triggers would be agreed in writing before work begins. Funding timing is not guaranteed.

To start a conversation, email marcelus@theraplug.health with: • Products you’ve built and your specific contribution. • Relevant healthcare, security or AI experience. • Your location and realistic availability before funding. • Your interest in leading and assembling a small development team.

I can share the detailed product scope and team requirements.

RedSeal | Sales Engineer | REMOTE | Full-time | https://www.redseal.net

RedSeal is an exposure management platform. We integrate agentlessly with 2,000+ security and infrastructure systems and devices to model the full hybrid environment (on-prem, cloud, OT, IoT) and show which attack paths and vulnerabilities actually matter. Used by hundreds of Fortune 1000 companies and 75+ U.S. government agencies, including every branch of the U.S. military.

Looking for 4+ years of security presales or consulting, plus deep networking: L2-L4, routing, and multi-vendor firewall/load balancer config. Comfortable with REST APIs and scripting. Bonus: BGP/MPLS/SD-WAN, cloud networking, OT/ICS, CCIE/CCNP/CISSP.

Apply: https://redseal.applytojob.com/apply/GOBu1zg3ZL/Sales-Engine...

IMC Trading | Machine Learning Engineer | Amsterdam OR London | ONSITE | Full-time

IMC is a research-driven trading firm and has been a market maker since 1989. Our researchers, traders and engineers work as one team on systems we build ourselves, trading across global markets.

We want ML engineers to shorten the path from a research idea to a live trading strategy. You’ll work with quant researchers, HPC specialists and software engineers in one of two overlapping areas:

- ML research engineering: distributed training pipelines, experiment automation, and making training faster and cheaper to run at scale. - ML performance engineering: low-latency, real-time inference, and getting the most out of GPUs.

Stack includes: PyTorch, CUDA

We’re looking for 3+ years of hands-on ML systems work and production Python code you’ve owned over time. You should understand what happens beneath the high-level APIs and measure performance before you optimize. Depth in distributed training, GPU optimization, real-time inference or numerics at scale is a big plus.

Apply: https://www.imc.com/eu/careers/jobs/4567047101

NB - visa sponsorship available

Avoca | Full-Stack Engineers + FDEs | ONSITE (NYC,US) | Full-time

Avoca is transforming how home service companies engage with their customers. Our AI-powered conversational agents handle every high-value inbound call, from booking jobs, qualifying leads, and driving higher revenue, all at a speed and consistency unmatched by human call centers.

We're a Series B startup backed by Kleiner Perkins, Meritech Capital, General Catalyst, and other top-tier investors, with $125M raised and a $1B valuation. We grew 10x in 2025 and have scaled to 170+ employees in under two years across our NYC headquarters and Santa Barbara office.

Our engineering team is still relatively small (~25 overall). So, anyone joining soon would still be a foundational engineer with a lot of autonomy and impact. Our Product Engineering and FDE teams are growing.

To apply: https://www.avoca.ai/careers#open-roles

Antithesis | Washington, DC, London | Remote or In Office | Design Engineer

We create an expert system that verifies software and becomes an essential part of agentic workflows. https://antithesis.com

I’m Vlad, Director of Product Design, engineer, and manager. I’m looking for a design engineer to help build our design system https://anta.design, improve the UI of our apps, and improve AI’s ability to generate high-quality interfaces.

Send me a link to your website (it doesn’t have to be perfect; I just want to see what you’ve worked on). vlad.korobov@antithesis.com

There are other open roles, including SF: https://antithesis.com/company/careers/#open-roles

Taxnova | London | Hybrid Founding product engineer

Taxnova (a16z Speedrun) builds AI that turns engineering data into tax and finance intelligence for teams like incident.io and Paddle. We’re hiring a core founding engineer to work side by side with the CTO and own the AI product, roadmap input and client delivery.

https://taxnova.notion.site/founding-product-engineer

EggAI | AI tech leads, Software and Platform engineers | REMOTE (EU) | Full-time preferred. Contract possible. We are a small boutique consultancy and are quite experienced. A lot of us have extensive consultant experience. You will join a small, highly skilled remote team of engineers and transformation practitioners working at the forefront of enterprise AI. We use AI for both development and in our solutions. We are looking for engineers that are critical thinkers, understand the limitations of AI but also where it can have a positive impact.

Apply at: https://grnh.se/wr97lgu2teu

Our website: https://egg-ai.com/

ProphetX | Multiple Roles | REMOTE (US) | Full-time

ProphetX is one of the fastest growing prediction markets in America. Fully CFTC regulated and particularly big in the sports area, we are looking to fill a number of roles across engineering and product.

Among others, we are looking for:

Engineering Manager

Staff Backend

Senior Backend

Staff DevOps (note this hasn't appeared on the job site yet, check in a day or so). This one should be open for EU timezones as well.

It's not terribly important which stack you are in, but we are building some low latency, high throughput distributed systems.

Please mention Hacker News so I can show everyone the wonderful quality of candidates available on this board.

https://prophetexchange.pinpointhq.com/

AREO | Remote (EU) and On-Site in Bremen, Germany | Full-Time | Equity | Roles: Engineering Manager (Ruby on Rails), Robotics Engineer

My name is Marius, and I am the CTO at AREO (https://goareo.com/)

AREO, founded in January 2023 by a team with 20+ years of combined experience in retail and startups, is a young startup specializing in developing innovative solutions for supermarkets and grocery stores.

Our B2B SaaS platform optimizes employee workflows by providing real-time access to inventory, product information, and customer inquiries. We serve large supermarket chains in Germany and across the EU.

We have already hired two backend developers through "HN - Who is hiring?" and are now seeking an Engineering Manager (Ruby on Rails) with at least 8 years of experience (preferably in startups). We recently signed another large contract with a major retail chain, are growing quickly, and expect to close a pre-seed funding round in the next few days.

For the Engineering Manager role, professional proficiency in German is required, and you must be based in the EU.

Backend Stack: Ruby / Rails (8.x), StimulusJS / Hotwire / Turbo, AlpineJS, Postgres, Docker, DigitalOcean, OpenAPI, LLMs

We are also seeking a Robotics Engineer to work from our robotics lab in Bremen, Germany. We are building a retail robot, initially focusing on teleoperation and later on developing autonomous models. You should have at least 2 years of experience with humanoid robots, VLAs, teleoperation, and other relevant robotics systems. Professional proficiency in German is required, and you must live in Bremen or be willing to relocate.

Perks: Fully remote setup within Europe for the Engineering Manager, sizeable equity in a rapidly growing company, flat hierarchies, a no-ego work environment, and the opportunity to work in a lean but highly experienced team.

Apply here: marius[at]goareo.com and mention "HN - Who is hiring?" and the role you're applying for in the subject line.

Stealth | Dallas, TX | Onsite

Software engineer. Insurance space.

ping me @ shayneosull@gmail.com

Marker Learning | Senior Full-Stack Engineer (Frontend-Leaning) | Full-time | Remote, US only | $180k–$200k | https://www.markerlearning.com

We’re building the Marker Method, a digital assessment platform that helps clinicians understand how students learn. It brings together interactive assessments, automated scoring, and tools for interpreting results. Our norming study is underway, and we’re building toward launch.

We’re looking for a frontend-leaning full-stack engineer to join our small engineering team. You’ll build student-facing assessment experiences and clinician tools, with ownership across the frontend and the systems behind it.

Strong TypeScript, React, and Next.js experience is especially relevant. We care about product judgment, thoughtful UI, and the ability to take an ambiguous problem through to working software. You should be comfortable working independently, making sensible technical decisions, and writing code every day.

If you enjoy getting the details right on software that students and clinicians actually use, we’d love to talk.

Apply: [careers@markerlearning.com] with a résumé or LinkedIn profile and a little about something you’ve built.

Proofline | Founding Staff / Principal Engineer | REMOTE (Worldwide, Berlin timezone overlap preferred) | Full-time | €120k-€200k + equity | https://proofline.sh/careers/founding-staff-principal-engine...

Hi HN, I'm the founder of Proofline. We're building an infrastructure-aware AI code reviewer that catches deployment failures before they reach production. Think of it as a type checker for your cloud infrastructure. We analyze code changes against Terraform, live cloud environments, and deployment evidence rather than just reading diffs.

We're hiring a hands-on Staff / Principal Engineer to help us build. You'll own core SaaS architecture, cloud integrations, developer tools, and product delivery, with a path toward engineering leadership.

Stack: Rust, Go, PostgreSQL, React/TypeScript, Terraform, AWS, GCP.

We're looking for someone with 10+ years of hands-on infrastructure engineering experience, deep SaaS and cloud expertise, extensive use of AI coding agents, and a track record of shipping end to end.

Remote globally, flexible hours, regular Berlin visits required. Salary: €120k-€200k depending on experience and location, plus meaningful founding equity. No visa sponsorship.

To apply, ship a small feature PR to one of our open-source developer tools and email careers@proofline.sh with the link. If you have 10+ years of relevant experience and an established online presence showcasing your technical work, you can skip the PR and share your best work with us instead.

Details: https://proofline.sh/careers/founding-staff-principal-engine...