At DeepL, we're building intelligent, trusted AI for language and beyond.
Hiring for technical roles:
Engineering (14 roles): Backend/Full Stack Engineers, Engineering Managers, SRE, Staff+ Engineers
Research (6 roles): Research Scientists, Data/HPC Engineers, Head of Tooling
Product (2 roles): Product Designer, Senior Technical PM
All positions: https://jobs.ashbyhq.com/DeepL
We are a small, early stage team of experienced engineers, designers and product people, building the next generation user interface for people who care about writing, enhanced by collaborative workflows and augmented by human-centred agentic AI editorial assistants.
We're hiring for:
- Full stack engineer (React/TypeScript/Prosemirror/Cloudflare): https://marker.page/jobs/product-engineer
We are looking for:
- Senior, high-agency people with relevant experience in the technologies outlined in the role
- Full-time, based in London, UK or nearby (co-working some days of the week from our offices)
Massive bonus points for:
- If you've built text editors before and enjoyed it enough to do it again :)
- Interest in local-first, sync engines, CRDTs, and all that fun nerdy stuff
- Personal interest in the act, craft, and quality of written expression
- Experience and specialisation in one of the following: Design Engineering, Hybrid desktop applications (e.g. Electron), Hybrid mobile applications (e.g. Expo)
Reach out through https://marker.page/jobs and tell us a bit about yourself!
We are an AI-driven Hospitality Tech platform helping vacation rental owners automate their revenue on Booking.com. We are bootstrapped, profitable (£75k ARR), and growing month-on-month.
We are looking for a Founding Engineer (Python/Django) to partner with us (2 founders) and scale our infrastructure. This is a heavy backend role with some frontend (React) involving high-volume scraping and browser automation.
- Stack: Python, Django, Postgres, React
- Challenge: Enterprise-scale scraping (1000s req/s), reverse engineering, and AI agents.
- Deal: £70k - £90k + Up to 2% Equity.
We are hybrid (2 days/week) in either Leeds/Manchester or London. UK residents only.
Apply here: https://wellfound.com/l/2BSwLc
Or email me your GitHub/projects: martin@mydatavalue.com
Marker is a technology venture from 3 leading communications agencies. We’re an incubator building and launching force-multiplying software products for communications teams.
Our first product is Delve (https://delve.news) — a coverage monitoring, analysis, and insight toolkit to track and measure the entire online conversation about your business or industry.
Our product team is small and autonomous, but with the resources, expertise, and customer access of the global agencies we work with. We’re hiring an early engineer to join us on this journey; you’ll have a large impact on what we build, how we build it, and where we’re going next.
Our current technology stack includes Deno, React, and PostgreSQL. Bonus points for expertise in any of: data visualization, distributed systems, web scraping, large-scale data pipelines.
Apply: https://careers.markercollective.com/jobs/479834-software-en...
No recruiters or agencies, please.
Freetrade is a commission-free investing app used by over 1 million people in the UK. Our team is expanding, and we’re seeking software engineers to evolve and scale our core investing platform. In this role, you will be instrumental in building and maintaining reliable and trustworthy systems for trade execution, clearing and settlement, asset servicing, and internal operational tools. You will also play a key role in shaping our technical direction and mentoring other engineers as our team grows.
Tech we use: TypeScript, Node.js, Postgres, and GCP
Note: We are three days in the office
We don’t sponsor visas at the moment.
We are hiring across the board in engineering, data, people, marketing, risk & compliance and finance.
See all of our opportunities here: https://freetrade.io/careers
We’re an early-stage startup at the intersection of system design, cloud infra, and AI, enabling companies to adopt the latest in GenAI, including agentic frameworks.
Backed by Tier 1 VCs, we’ve recently launched publicly and are already partnering with 20+ global brands.
Help us build the foundations of a generational product.
Watch our launch video - https://youtu.be/WW-42TdBhsE?si=L2YnfDi-ayFbKYdA
We also just launch our new feature called Architect - https://youtube.com/shorts/5Zmn2vo_89g?si=rGy31fN_1OTAf_sG
We're hiring for:
- Founder Associate | https://apply.workable.com/askdragonfly/j/C22EFA1814/
- Founding Product Engineer | https://apply.workable.com/askdragonfly/j/11ADB3CB35/
- Founding AI Engineer | https://apply.workable.com/askdragonfly/j/F866919D1B/
BusbySim is a SysML v2 system safety platform helping engineers design safer aircraft and other safety-critical systems. We are early stage, already working with some of the UK's most interesting aerospace companies, and now looking for our first engineering hire. You will own hard product problems end to end, from custom language tooling to interactive modelling and safety analysis features, with real ownership and meaningful equity. Ideal for someone who enjoys first principles thinking, wants to shape the product and engineering culture, and is happy working close to customers.
To apply email recruitment@busbyventures.com. Full JD: https://tinyurl.com/busbysim-engineer
We’re hiring an experienced engineer to help build and evolve the platform that powers HRT’s global infrastructure.
You’ll work in Python on automation, provisioning, monitoring, and network tooling across thousands of Linux machines. Strong Python and Linux/UNIX fundamentals are required; experience with Debian, networking, or CI/CD is a plus.
Share your info here: https://www.gem.com/form?formID=65d1b5ca-e5d1-4f4c-a782-ba0f...
Materiom is a social enterprise dedicated to accelerating the development and widespread adoption of compostable bio-based materials to replace petrochemical plastics.
We're looking for a Senior Software Engineer (full-stack) to help build high-impact, AI/data-heavy web applications that revolutionize bio-materials R&D. Apply here: https://job-boards.greenhouse.io/materiom/jobs/4978270007
We are building the operating system for international D2C brands going into China, managing the full cross-border ecommerce and social commerce stack - store operations, pricing, influencer partnerships, logistics.
D2C brands can compete and win in the market by abstracting away the infrastructure (to us) and focusing on reaching consumers.
We're based in London / Shanghai and are hiring for a PM and 2x full stack in London.
More details and apply here: https://apply.workable.com/yaso/?lng=en
We build Physical AI models deployable today in warehouses to solve mundane tasks like palletizing. Our tech lets robotic arms adapt to mixed SKUs, grip slips, and chaotic environments in real time.
Have a read through our manifesto: https://ko-br.com/manifesto
We want you if you solve problems like an owner (no ego, no blockers). Don’t say "it won’t work." Try it. Validate it. Ship it.
Engineering roles:
— You're hands-on, no theory, just building — Experienced engineer? Great! Recent grad/PhD? Don't get discouraged, apply if you're itching to ship real products Why join? — Generous base + equity — Work with state-of-the-art AI and real robots (UR/ABB/KUKA/FANUC). — Build tech that solves valuable problems today. About me: Ex-Amazon/Meta. Built AI from satellite imagery to nanotech SEM, powered Alexa’s vision, led ML for WhatsApp. Now building robots that adapt to chaos.https://www.linkedin.com/in/ahmadbaracat
Apply: https://ko-br.com/careers
What sucked the last time you rented a house or flat? Come and fix it.
OpenRent is a force for good in an industry tarnished by rip-off agencies. Enabled by an unrelenting focus on technology, we now let more properties than any agency in the UK. In the last 12m we let over £50 billion worth of property, to over 8 million registered users, without ever charging any admin fees.
You'll be working on solving every aspect of the rental journey, from models to predict the right price of a property, to building the future of property management, all to help tenants find their dream home, and landlords their ideal tenant.
We're VC backed, profitable, and have plenty of ambition to maintain our fast growth in this absolutely massive market.
Roles currently available:
- Senior UX/UI Developer | Equity | 100k+ (based on experience) + quarterly bonus
- Senior Full-Stack Engineer | Equity | 75k-110k+ (based on experience) + quarterly bonus
All roles visible here: https://www.openrent.co.uk/jobs
Evervault's mission is to make world-class data security effortless and pervasive. We use applied cryptography to secure the most sensitive data, in the most sensitive areas like payments, banking and healthcare. We build products to protect customer data with the latest advances in encryption and confidential computing, so our customers can minimize the headache of compliance and data security.
We are a small team (10 engineering, 25 overall) hiring across engineering, sales, marketing and finance for people who are passionate about building out our roadmap of products to protect companies from data breaches in a world where data has become gold.
Open roles:
- Senior Software Engineer (Payments) - Product Engineer - Design Engineer - Account Executive - Partnerships Manager - Head of Finance & Ops
Out stack is: Rust, Node.js (TypeScript), AWS
Apply here: https://evervault.com/jobs or ask me a question shane@
At Brickflow we're bringing specialist property financing into the 21st century, an industry that is famously still stuck using fax and traditional mail.
We're hiring our first dedicated in-house software engineer(s) to take our platform to the next level. Get in very early and help shape the technical direction.
Full-stack software engineer (1-2) | £50-90k depending on experience
Contact our Head of Tech directly at lewis@brickflow.com
https://www.uncountable.com/hiring/hn
Uncountable accelerates R&D for industrial scientists across leading materials, chemicals, and life sciences organizations. With our SaaS solution, our customers get better products to the market in half the time. Uncountable was founded by MIT and Stanford engineers and has been profitable since 2016. Our team has grown from 50 to 100 over the last two years.
Full-Stack Engineers | $120k - $220k + Equity
---> Uncountable is looking for engineers who can spearhead the development of the Uncountable Web Platform. The position is heavily product-driven and comes with challenges across the stack.
--> Summer internships and working student positions are also available.
Learn more: https://www.uncountable.com/hiring/hn
Uncountable is hiring in New York City, San Francisco, London, and Munich.
Contact our CTO directly at jason@uncountable.com
At Longshot Systems we're building advanced platforms for sports betting analytics and trading.
We're hiring Graduate Machine Learning Researchers for our quantitative modelling team. The primary goal of this team is to improve the predictive power of our models based on historical event data. The quality of our models is incredibly important to us and improvements on our models directly impact company success.
To find out more and apply for the role please check here: https://apply.workable.com/longshot-systems-ltd/j/CDC0152ADC...
Abatable builds the infrastructure that helps organisations source, evaluate, and support high-quality climate and nature projects. We're backed by YC, GFC, Blue Bear, and Azora.
We're hiring a Senior Product Engineer who ships quickly, thinks deeply about users, and is comfortable owning features end-to-end across the stack. You’ll work on data-heavy, user-facing products that directly enable corporate climate action.
What we value:
Strong product sense and ability to challenge requirements
Great debugging, clear communication, and pragmatic decision-making
Full-stack ability (React/TS/Remix/Postgres), but no specific stack required
Preference for simple, elegant solutions over complexity
Why join:
Mission with real climate impact
High ownership, autonomy, and pace
Transparent, supportive culture with true work–life balance
Our mission: making cities usable. Award-winning navigation app.
Read more about Citymapper For Cities: https://ridewithvia.com/solutions/citymapper
- Engineering Manager or Director (London): https://job-boards.greenhouse.io/via/jobs/8001882002 - Director of Engineering (London): https://job-boards.greenhouse.io/via/jobs/8074378002
This and more roles - see: https://job-boards.greenhouse.io/via
Tech stack: AWS, Python, some C++, some Rust, EKS, Terraform.
https://talkmachine.com/jobs/engineer
Hello. I’m the founder of Talk Machine, previously founded Citymapper.
We had great success in posting here last time, and hired our mobile team (yes we now have native apps - https://talkmachine.com/apps)
Now we’re looking to focus on backend engineers and ML/voice specialists.
We’re working on building a consumer voice product / platform using AI, driven by the mission to improve human communication.
Our application process is unique. Just go to https://talkmachine.com/jobs/engineer and send us a voice note and we can begin talking, just like we met in person.
We’re seed funded and can pay competitively + quality stock options (EMI in UK).
You like: talking, consumer, voice, AI, small fast teams, building great products, chasing product market fit
You can also reach out to me at https://talkmachine.com/az. :)
At Lovable, we empower the 99% of people who can't code to build software as if they had a product team at a stellar tech company. We're one of the world's fastest growing startups in history.
You'd be joining a small, passionate team of serial entrepreneurs (ex-YC founders), competitive programmers, physicists, and people who care deeply about building exceptional products that unlock human creativity. We have multiple open roles, with most positions based onsite.
We cover relocation (most roles are in Stockholm, some in Boston, San Francisco or London) and in Engineering we're looking for:
- AI engineers - Full-stack, frontend, and backend product engineers - Design engineers, and product designers who ship - Forward deployed engineers - Security engineers - Data engineers - Platform engineers
We're also hiring across the board in Marketing, Growth, Sales, Support, Operations etc.
Apply at https://lovable.dev/careers mentioning HN in your application.
Tracebit is an Accel backed, UK founded security product company taking a new look at canaries for intrusion detection.
We work with some amazing companies (Docker, Riot Games, Synthesia, Zepz...) to help detect threats in cloud and enterprise.
We're hiring:
* Founding Engineer | London | £60-120k + generous equity | Relocation & Visa sponsorship available
* Founding Security Researcher | Remote | £100-140k + generous equity
* Founding Account Executive | New York | $180-200k OTE + generous equity
* Founding Sales Engineer | New York / Remote | $180-220k OTE + generous equity
Learn more and apply: https://tracebit.com/careers#section_open-positions