whoishiring.jobs

Oxidian | https://www.oxidian.com | Remote (UK/Ireland/EU)

We make sure public money is well invested by building software for governments. We're doing to government software services what challenger banks did to banking.

Our clients are mainly governmental research institutions - we're building tools for scientists to process & visualise data, HPC data processing libraries, web apps to make people's working lives easier, and DevOps pipelines.

Currently hiring a senior python + postgres dev (EU only), a devops engineer, a bid writer, and a founder's associate.

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)

Godel Terminal | Frontend Engineer, Backend Engineer | Full-time | ONSITE | New York | $140 - $250k + equity | https://app.godelterminal.com/

We are looking for a full-time Frontend and Backend Engineer to build out Godel Terminal, a professional web-based financial terminal software offering comprehensive financial and investment data.

Stack: Frontend: TypeScript, React, WebSockets, Web Workers Backend: JVM, Kotlin, Python, Spring Boot, Kafka, Kubernetes Monitoring/Visualization: Grafana, Prometheus Database: PostgreSQL, Clickhouse Cloud Infrastructure: AWS, Terraform

Nice to have: Familiarity with financial data systems or terminals.

For more details and to apply, visit our website: https://godelterminal.com/careers

Tawkify | AI Full-Stack Engineer | REMOTE (US) | React, Node, Python, PostgreSQL

Pioneer the Future of AI-Powered Matchmaking. Tawkify is revolutionizing dating by combining human intuition with AI, and we're looking for exceptional full-stack engineers to help rewrite our entire product suite.

We are looking for: - Seasoned full stack engineers (backend, frontend web/mobile), passionate about having a strong impact and working in a fast paced environment - Who have already built and delivered AI-powered products, and hungry to keep learning and experimenting - Who love constant delivery and iteration

Come join our small team of dedicated technologists on a mission to make an impact in an industry that calls for new solutions.

Job description: https://www.linkedin.com/jobs/view/4118982468/

Please send your resume and a summary of your proudest achievements to careers_engineering (at) tawkify.com

Solace I Sr. Full Stack Engineer I Remote (US based) I https://www.solace.health/

What would a healthcare system freed from the yoke of history look like?

It would be outcome-driven, certainly. Propelled by human dignity rather than by profit. Upheld by a network of compassionate experts actively working to increase medical literacy for all. How would you do it? You would open the doors for any patient to be able to work with experts who can simply help—people who know how to interact with the legacy system and know the magic words to get patients exactly what they need, when they need it. You would build a fortress of hope within the U.S. healthcare system.

That’s what we’re doing at Solace. Solace is a healthcare advocacy marketplace that connects patients and families to experts who help them understand and take charge of their personal health.

Our current stack is Typescript, React, Postgres, Heroku.

Learn more: https://jobs.ashbyhq.com/solace/019c9ce5-4053-4f5b-a639-d75a... Contact: Lauren@Solace.health

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

Medusa (https://medusajs.com)| Remote | Full-time| Europe + US East Coast #1 open-source ecommerce project on GitHub; https://github.com/medusajs/medusa We are building the world’s most flexible commerce platform. Built for developers with a focus on strong commerce primitives and a framework for customization.

We are a small seed-funded ($8M) team of 16 people looking for key hires who want to work closely with our founding team to build the next generation of commerce infrastructure.

We are looking for engineers motivated to tackle complex problems and who care about crafting great products for developers.

---

Tech stack: Node, Typescript, Postgres.

- Full Stack Engineers for our core team: https://medusajs.com/careers/software-engineer/

- Solutions Engineer to support users building with Medusa: https://medusajs.com/careers/solutions-engineer/

Blackshark AI | Software Engineer & Senior DevOps Engineers | Full-time | Austria or Remote EU | VISA sponsorship available

Satellite and drone imagery access is on the rise, and traditional image processing methods are struggling to keep up. Our scalable AI quickly extracts global features, providing real-time, on-demand geospatial insights with impressive speed and accuracy. We are turning months of manual work into mere minutes, and with much better results. We work with customers from various domains, from intelligence and defence, local and federal governments, to small and large enterprise enterprises, which requires us to have a lot of flexibility on how we deploy and maintain our services.

We kicked off in 2020 and have secured $35 million in series A funding from a lineup of top US and European investors, among which Microsoft M12, Point72 Ventures, Maxar, In-Q-Tel, SAFRAN, and ISAI/Capgemini.

Tech Stack:

Python

Fast API

Postgres

Redis

GDAL

Linux

AWS & Azure

Azure DevOps

Kubernetes & Docker

Terraform

Prometheus & Grafana

ArgoCD & Helm

Elasticsearch & Kibana

Roles:

Software Engineer: https://blackshark.sprad.io/0VqJ3

Senior DevOps Engineer: https://blackshark.sprad.io/AahTU

Senior DevOps Engineer: https://blackshark.sprad.io/26y4f

or reach out to HM at: 'eivanov@' + username[:-2] + '.' + username[-2:].lower()

Railway | Full-stack Engineering (Product), Platform Engineering (Infra), Solutions Engineer, and Developer Relations | REMOTE (International) | 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.

Four open roles (apply below!):

+Full-stack Engineer (Product): -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...)

+Infrastructure Engineer: -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...)

+Solutions Engineer: -Apply here:(https://jobs.ashbyhq.com/Railway/fe33d49c-3502-4d73-80fc-c2c...)

+Developer Relations: -Apply here:(https://jobs.ashbyhq.com/Railway/7d42f0e8-15a5-453d-8992-9e8...)

See you soon, and happy shipping.

Workhelix | www.workhelix.com | Remote within US/Canada — San Francisco Bay Area strongly preferred

At Workhelix, our ambition is to lead the new category of Business Transformation Management (BTM), helping organizations adopt technologies like Generative AI. We offer two SaaS products: one for planning GenAI initiatives using workforce data, and another for monitoring ROI with advanced research methodologies. We have pioneered a task-scoring method to identify top GenAI opportunities, ensuring clear, data-driven deployment strategies. Our ROI monitoring suite applies cutting-edge economics to provide accurate, ongoing insights into the impact of GenAI implementations. Renowned AI and Economics thinkers including Andrew Ng, and cofounders Andy McAfee and Erik Brynjolfsson stand proudly behind our mission.

Our team is 12 full-time employees and growing quickly. Our stack is mostly Python, PostgreSQL & AWS.

We are looking for several roles:

---> A tech lead who can provide leadership and technical oversight for a (growing!) team of engineers.

---> A forward deployed data engineer who can help us onboard new customers and work with existing customers to do things like help solve data issues and transform customer data into a useable format. Must have some data/technical background (SQL, Python experience).

Apply at the link below or feel free to email our recruiter at hiring at workhelix dot com with questions!

https://job-boards.greenhouse.io/workhelix

Ookla | ookla.com | Software Engineer, Data Engineer, Software Architect | US, Ireland, UK, Finland | Remote, Full-Time

As the global leader in network intelligence and connectivity insights, Ookla is the company behind Speedtest®, the world’s most popular internet performance testing platform. Today, Ookla empowers businesses, governments, and consumers to measure, understand, and improve their internet connectivity and performance worldwide.

We are growing our team and hiring for the following roles (medium to senior experience):

Software Engineer (multiple openings)

Data Engineer (multiple openings)

Software Architect (multiple openings)

Technologies: Javascript, Python, Go, Airflow, Postgres, AWS

If interested, apply here - https://www.ookla.com/careers or email me at dhruv[at]ookla.com. If you email me, I'll ensure your resume is looked at.

Peregrine Technologies | Senior Software Engineer | San Francisco or DC - Hybrid | Full-time | $130,000 - $215,000

Peregrine exists to help public safety organizations better protect their communities and the privacy of those they serve.

Our stack is constantly evolving but based on a backend foundation of Python, Django, Celery, Airflow, and Kafka; a frontend built in React, Redux, and Mapbox; data stores including PostgreSQL and Elasticsearch; machine learning models hosted in Bedrock and Sagemaker; and with AWS, Pulumi, Terraform, and Kubernetes as our underlying infrastructure.

Engineering Roles: * Senior Software Engineer, Mobile: https://job-boards.greenhouse.io/peregrinetechnologies/jobs/... * Senior Software Engineer, Apps: https://job-boards.greenhouse.io/peregrinetechnologies/jobs/... * Senior Software Engineer, Data: https://job-boards.greenhouse.io/peregrinetechnologies/jobs/... * Design Engineer: https://job-boards.greenhouse.io/peregrinetechnologies/jobs/...

Neurotone.ai || Software Engineer || Fully Remote || Full-time || neurotone.com

Neurotone is developing an AI powered auditory training system to assist people with hearing disabilities get the most out of their hearing aids. We are utilizing the clinically proven LACE methodology to facilitate the best outcome for every patient, and we are partnered with a number of thought leaders in the audiology community to ensure we are delivering the most effective solution on the market.

We are looking for experienced mobile developers (Expo/React Native) as well as backend developers with a strong knowledge using Postgres (Supabase) for role based authentication, queuing, RLS, and as an API gateway (PostgREST).

We are extremely passionate about technology, and our entire core team is composed of industry veterans with successful exits in previous ventures. This is a proven product with existing revenue that we are excited to take to the next level, more importantly, this system can provide a dramatic improvement the quality of life for people suffering with auditory disabilities.

Please contact travis AT neurotone.com if interested. Thanks!

ThreatMark | Security, Machine Learning | REMOTE(World) / Brno, Czech Republic | Equity

ThreatMark protects >50M end users from finacial fraud and saves > $100M every year in losses. We are working with top banks in EU and US to protect their end users. We develop large-behavioral models that recognizes returning users by their mouse movements, keystroke timings and sensoric data (accelerometer, gyroscope). We detect cyberthreats (e.g. malware, phishing, scraping) by exploiting browsers/sandboxes of devices. We manage ~PB scale of data and provide realtime scoring in milliseconds driving authentication/authorization flow (2nd factor).

Stack: [python, typescript, rust], [redis, postgresql], [aws, terraform] ...

We are looking for exceptional engineers to join our team and be part of the success:

- Principal Software Engineer (experience with petascale, distributed systems, low tail latencies)

- Senior Data Engineer (datalake, ETL pipelines, pyspark...) ...

If you are interested, please email us @ career@threatmark.com with subject "HN Who's Hiring"

If you don't find the right role at https://www.threatmark.com/careers/, write us anyway if you believe you can be good fit :)

Krystof Hilar, Co-Founder & CTO

Volcore | Manchester, UK | ONSITE | Full-Time | Software Engineer

At Volcore, we model the electricity system to do proprietary trading that helps balance the grid and facilitate renewables integration. Our technical roles are a blend of Software Engineering and Data Science, wherein we solve problems end-to-end, from data ingestion and analysis to optimisation and deployment. Often these require novel solutions, drawing on original research and experimentation. We are a profitable and ambitious startup looking for Software Engineers who can both crack these kinds of problems and continually improve our shared libraries, tooling and workflows to ensure they are fast, accurate and a delight to work with.

Our team are close-knit, with minimal hierarchy and almost zero meetings. We work together in-office to whiteboard solutions together and everything we build is used by people sitting next to us.

Typically these positions attract people who have outgrown their previous role and are seeking more responsibility or more challenging subject matter. Every team member owns important projects very early on, and if you can deliver value in a particular area, you’ll be recognised and rewarded for it, regardless of job title.

Our tech stack includes Python, backend Typescript, Postgres and, increasingly, Rust, although the latter is not a Day-1 requirement.

We review all applications personally. For more info, including our requirements and salaries:

- Experienced Software Engineer: https://www.volcore.co.uk/experienced-software-engineer

- Junior Software Engineer: https://www.volcore.co.uk/junior-software-engineer

tem. | https://www.tem.energy/ | Remote (UK & EU) | Full-time

Here at tem. we are revolutionising how energy is transacted leading to a world where everyone is able to bypass big energy and buy renewable energy direct (RED).

After raising our Series A, in April, we are expanding our team as we scale to take on the broken energy industry.

Quantitative Data Scientist (£65k-£90k) https://app.welcometothejungle.com/jobs/EE-hw2dm

We are looking for a data scientist to help work on one of the core problems we face with RED, risk & pricing. You’ll design and deploy advanced models that drive real-time pricing decisions, shape portfolio risk, and power our energy platform end-to-end.

Data Analyst (£45k-£60k) https://app.welcometothejungle.com/jobs/uAGlNJx1

We are looking for a product minded data analyst to come and join our rockstar analytics engineer to take our BI to the next level. You’ll interact with all departments across the business, bringing data to the forefront of all decision making at tem.

Full Stack Engineer x 2 (£60k-£70k) https://app.welcometothejungle.com/jobs/3u28r1j6

We're seeking a Full Stack Engineer with 2-3 years' experience in Python, front-end development, AWS Cloud and databases like PostgreSQL or DynamoDB. You'll collaborate with cross-functional teams to optimise and extend our platform, develop scalable microservices, and contribute to engineering discussions. Startup experience, problem-solving ability, and familiarity with React.js are a plus.

We are also looking for a Social Media Producer (£35k-£45k) https://app.welcometothejungle.com/jobs/Y9nsOtaj

Digital Onboarding | Senior Full-stack Engineer, UI/UX Designer | REMOTE (US based) | Full time

Digital Onboarding is a marketing automation platform that helps banks and credit unions modernize their onboarding process and develop mutually beneficial, profitable relationships with their customers and members.

Stack: Elixir + Phoenix, React, Postgres

https://digitalonboarding.applytojob.com/apply/sOpDyeNpjP/UI...

The senior full stack role isn't posted yet, but you can email me directly at jonathan at digitalonboarding.com please include HN in your subject

Great Question | Rails / React Software Engineers | Full time, Remote (US - Colorado preferred; Brazil - Florianopoulis preferred; Australia - Melbourne preferred) Great Question is a unified customer research platform used and loved by teams at companies like Figma, Canva & Brex. Our platform makes it easy for anyone to recruit research participants, schedule customer interviews, and share what you learn with your team all in one place.

We're third-time founders, backed by Y Combinator, building a company for the long-term, with a great team across the board, and shipping at a rapid yet sustainable pace.

We use Ruby on Rails, React, Postgres. We run on AWS.

We're looking for full-stack & backend engineers (emphasis on Rails) with some product sensibilities who believe in the power of understanding your customers to build world class products.

We've built an awesome team + culture at the company, high candor + EQ environment and we ship. We also welcome applicants who have previously run their own startups, with a bunch ex-founders on the team from the likes of Respondent and Indiegogo.

I'm the co-founder & CEO and actively playing a role in finding more great people to join the team: ned@greatquestion.co

PredictionHealth | Backend Engineer | REMOTE in US (HQ in Nashville) | $125K-$200K

We’re a mission-driven startup using AI to improve the quality of medical care. We’re already slashing documentation time 50-75% and optimizing coding/compliance for hundreds of US organizations and thousands of daily active users. Our team of 30+ passionate, hardworking, and friendly innovators (10 in eng/R&D) grew 6x last year, and we're just getting started. Seeking one backend focused engineer to tackle our toughest challenges.

If you thrive on autonomy, love solving complex problems, and want to make a real impact in healthcare, we want you!

Backend Engineer: Golang, Python, PostgreSQL, AWS, BigQuery, GCP * Scale our data pipeline and AI model deployment * Wrangle messy clinical datasets * Evolve our REST API (already processing 100K+ daily requests) * Collaborate with MDs and PhDs on cutting-edge med-tech

Excited to help clinicians take better care of their patients? You’ll fit right in. :)

Applications from all 50 US States welcome.

Apply here: https://predictionhealth.breezy.hr/p/22ca328525b5-full-stack...

Drone startup | Fullstack Software Engineer, Frontend Software Engineer, Machine Learning Engineer, Mechanical Design Engineer | 2 days/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.

If interested, email my temporary email: hn-jan25@mail.orth.uk. Temporary only because of spam emails (not related to hiring).

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