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Ask HN: Who is hiring? (December 2025)

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Re: Ask HN: Who is hiring? (December 2025)

#451

Post by evaneykelen »

Return | REMOTE | Software engineer backend (Go/Golang) | Full-time

Return (https://return.energy) is hiring a software engineer who will work on platforms that accelerate the transition to carbon-free energy. Return’s main activity is building and operating industrial-size Battery Energy Storage Systems. Our operations are located in the Netherlands, Germany, Belgium, and Spain. You will be making a measurable (country-level) impact on the transition to renewable energy. Return recently raised €300M to support its growth.

While we employ over 100 people, Return’s technical team is still small (13 people). Our platform automates processes in energy storage, monitoring, market optimization, sales, project management, procurement, construction, and customer service.

During the first three years of operation, we laid the foundation for our platforms, and we are ready to scale up. This is why we are looking for an experienced software engineer.

Your primary focus will be to further develop our battery virtualization platform that enables our customers to use slices of battery capacity distributed across our fleet of industrial-scale batteries.

Our tech stack/toolset is straightforward: Go, Python, Ruby, PostgreSQL, TigerData, dbt, Dagster, Grafana, Terraform, self-hosted + cloud compute. We tend to keep meetings to a minimum in order to provide at least five hours of uninterrupted coding time per day. We practice code reviews and apply automated and manual testing. Our web apps and platforms are often deployed multiple times per day.

Return has offices in Amsterdam, Berlin, Brussels, Hamburg, Munich, Madrid, and Stuttgart. We are very much open to working remotely as long as you live in the EU. Our hiring process is swift but thorough: a brief call to get acquainted and discuss financials, followed by one or more technical interviews, and a paid visit to Amsterdam to meet the team.

The tech team members have co-founded several companies and/or have experience with remote development teams since 2008. They will personally help you through most of the recruiting process (there is no recruiter involved).

Apply here: https://jobs.polymer.co/return/37860

Re: Ask HN: Who is hiring? (December 2025)

#452

Post by alexmchale »

GreenArrow Email | Remote | Full-Time

https://www.greenarrowemail.com/careers/developer

I'm Alex McHale, Lead Developer at GreenArrow Email. We're looking to add an additional developer to our team. The right candidate will have solid Go skills and can "hit the ground running" (so sorry for the cliché). Bonus if you're a polyglot who might have skills in Ruby on Rails and JavaScript.

We've put a lot of thought into our job post. Please give it a read. If you think you're a fit, there's a link at the bottom of the post with a form to fill out.

Re: Ask HN: Who is hiring? (December 2025)

#453

Post by pydeveloper22 »

cstefanovici wrote: post #432

SportsRecruits | Senior and Midlevel Software Engineers working with PHP, Laravel, Vue and React Native | Remote (US) | sportsrecruits.com SportsRecruits is the leading sports recruiting network, connecting athletes, clubs, events, and college coaches in the recruiting process. The company’s network and tools are trusted by sports organizations such as the IWLCA, IMLCA, NFHCA, and Junior Volleyball Association. Every…

Hey Cat, is there a way to connect with you to learn more about these and other remote opportunities at sports recruits?

Re: Ask HN: Who is hiring? (December 2025)

#455

Post by pydeveloper22 »

alexmchale wrote: post #452

GreenArrow Email | Remote | Full-Time https://www.greenarrowemail.com/careers/developer I'm Alex McHale, Lead Developer at GreenArrow Email. We're looking to add an additional developer to our team. The right candidate will have solid Go skills and can "hit the ground running" (so sorry for the cliché). Bonus if you're a polyglot who might have skills in Ruby on Rails and JavaScript. We've put a lot of thought into o…

Hey Alex,

I appreciate the time you taken to put into this job post. It says you're looking for an experienced developer but it also says in the post that you won't disqualify someone who doesn't have the qualifications and unfamiliar with all areas of technical competencies.

Guess the question is, are you looking for an experienced developer or open to folks of all levels willing to learn and get up to speed as mentioned in your post? And speaking of Greenarrow email, how can folks get in touch? Thanks

Re: Ask HN: Who is hiring? (December 2025)

#456

Post by adaptive-re »

Adaptive Real Estate | Onsite | New York City | Full Time https://jobs.ashbyhq.com/Adaptive

Hi, I'm Sophie Matt, Recruiter at Adaptive. We are a Series A startup building the first truly AI-native ERP for the construction and real estate industries. Since launching in February 2023, we’ve grown to over 700 customers and raised $26M from Emergence, a16z, Pear VC, Box Group, etc.

We are hiring for a variety of engineering positions to join our team in NYC

- Senior Software Engineer (Backend): https://jobs.ashbyhq.com/Adaptive/e8a34d3e-38f6-4f21-ac4e-d2...

- Senior Software Engineer (Frontend): https://jobs.ashbyhq.com/Adaptive/dabfd1c3-07c7-4cfd-8ffc-7e...

- Senior Software Engineer (Full Stack): https://jobs.ashbyhq.com/Adaptive/c1a19602-303e-4eb3-8aa6-a4...

-Staff Software Engineer: https://jobs.ashbyhq.com/Adaptive/67860d94-83b1-43c6-8618-73...

Re: Ask HN: Who is hiring? (December 2025)

#457

Post by JustinD »

Zeno Group | Hybrid | US - NYC

Hello everyone! I’m on the lookout for an SVP of AI & Tech Operations to join my team at Zeno Group. https://www.zenogroup.com

We're a global, integrated communications agency, and one of PR Week's Best Places To Work 2025!

• I’m shaping the technology landscape at Zeno from the ground up, which means juggling everything from procurement to infrastructure to education, and need someone who can help bring order to the chaos. We have a ton of amazing and passionate people and I (still!) only have two hands.

• What you'll do is wear many hats, and so adaptability is 100% your most important attribute, along with:

- Being a diplomat between Zeno and our sister companies

- Leading AI+technology education and literacy programs

- Performing discovery for and designing workflow automation

- Convincing creatives that AI won't steal their Cannes Lions

- Exploring turning random AI experiments into useful tools

- Keeping up with AI exploration and experimentation because it’s something you do already

• You need to be comfortable building with duct tape while executives ask why it's not done yet. Agency experience helps but isn't required; what matters is you can handle 72-hour deadlines, massive egos, and the phrase "the client changed their mind."

• You also don’t buy the hype, and can cut through tech industry bullshit like a hot knife through AI slop. Being a practical cynic is a strength—you want to believe.

• If you've successfully implemented some cool AI heat at scale and can explain it to people who still print emails, let's talk.

• Hybrid role, based in NYC. Big on cultural fit. While this is not a client-facing role, some occasional face time with clients is expected.

Here's the giant link to apply:

https://djeholdings.wd5.myworkdayjobs.com/ZenoCareers/job/Ne...

Re: Ask HN: Who is hiring? (December 2025)

#458

Post by wipaveeknecht »

ChainSecurity | Blockchain Security Engineer | Full-time | INTERNS , HYBRID/REMOTE, Zurich, Switzerland | VISA possible | https://chainsecurity.com/

ChainSecurity is a young and innovative cybersecurity company that operates in the blockchain and cryptocurrency space. Our mission is to make the blockchain space secure and trustworthy for people, companies, and governments alike. We are proud of our security experts from the renowned universities ETH Zurich, EPFL Lausanne and others. We are trusted by 100+ blockchain companies and established corporations with security audits and services. We have secured complex systems for top blockchain clients, such as decentralized finance (DeFi) projects, and multinational organizations, such as banks and industrial consortia.

A ChainSecurity Auditor will review the most complex blockchain projects to find vulnerabilities which no-one else can. By using state of the art tools, expert knowledge and a deep understanding of the fundamentals, we secure projects handling billions, often forming the foundation in the new paradigm of an open financial system.

Your Responsibilities:

* Work directly with the developers of the most successful teams in the blockchain industry to audit their code and secure their products

* Contribute to our security tools and create new ones in collaboration with our internal research team

* Conduct security research and publish your findings

Requirements:

* Strong background in software engineering, focused on security relevant areas and most importantly being able to reason about complex code

* Experience with penetration testing, vulnerability scanning, threat modeling or similar is a plus

* Good knowledge of cryptography

* Proficiency with Linux and Git

* Good written communication skills

* Fluent in OOP programming language

Bonus Points:

* Formal Verification, White Box, Vulnerability Scanning

* Solid Blockchain Knowledge

* Consensus Algorithms

Join us here: https://www.chainsecurity.com/jobs/blockchain-security-engin...

Questions about the role? Contact: jobs@chainsecurity.com

Re: Ask HN: Who is hiring? (December 2025)

#460

Post by benSepanski »

Veridise | https://veridise.com | REMOTE | Full Time

About Veridise: Veridise performs security audits for smart contracts, zero-knowledge circuits, blockchain implementations, key management services, and other off-chain services like relayers, bridges, wallet integrations, and more. Additionally, many members of the Veridise team research and develop modern security tools designed to tackle the ever-changing landscape of blockchain development, providing novel and automated insights into the security of smart contracts and zero-knowledge circuits.

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Frontend engineer position: Veridise is seeking a skilled front-end software engineer who will be responsible for developing and maintaining a front-end for a SaaS platform that provides security and code review tools. This individual will work closely with backend engineers, static analysis tool engineers, and security analysts to implement features such as collaborative code review, vulnerability triage interfaces, and interactive visualizations of compiler data structures. In addition, this individual will be responsible for collecting feedback from customers to determine how interfaces can be improved to better integrate into their workflow.

Application link:

- https://veridise.com/careers/veridise-careers-frontend-engin...

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Security analyst position: Veridise is seeking a highly skilled and motivated security analyst. The ideal candidate will have a strong background in computer science, possess advanced technical expertise, and demonstrate a deep understanding of security principles. This role involves identifying and mitigating security vulnerabilities through manual code review, running cutting-edge security tools and analyzing their results, actively staying up-to-date on emerging security threats, and learning to audit in new and exciting technologies. Application link:

- https://veridise.com/careers/veridise-careers-lead-security-...

- https://veridise.com/careers/veridise-careers-security-analy...

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