Looking for new challenges and opportunies.
Project: Char Network is an open-source Bitcoin staking platform enabling a whole new generation of Bitcoin Layer 2 solutions.
Company: MZERO is a Miami-based software development team pioneering cutting-edge Bitcoin technologies, including the Char Network. Led by Bitcoin Core Developer Jeremy Rubin, MZERO prides itself on being an in-person, scrappy, and super-fun crew that's pushing the boundaries of what Bitcoin can do.
Experience: Mid-Senior level engineers. Familiarity with Bitcoin is "nice-to-have" but not required. Working onsite is a must!
We're aggressively hiring so don't be shy about reaching out! Send your github, resume, and cover letter to jobs@char.network. Use “{Job Title} Application - Hacker News” as the subject line.
Read the JD's below:
- Senior Engineer: https://bitcoinerjobs.com/job/1686628-senior-engineer-char-n...
- Engineering Manager: https://bitcoinerjobs.com/job/1687410-engineering-manager-ch...
Absinthe Labs is making loyalty markets more efficient. With over 20M visits and 2M+ users since our founding in 2022, we built the first Web3-native customer data platform that powers points programs across the digital landscape, and we’re now seeking a Senior Full-Stack Engineer to expand our capabilities, integrating complex backend logic with seamless frontend experiences.
Role Highlights:
Platform Development: Design and build user-centric interfaces for incentive designers using Radix UI, Tailwind CSS, and Next.js, ensuring scalable backend services using Node.js and GraphQL. Data Architecture & APIs: Develop data pipelines, integrate with Hasura (GraphQL), PostgreSQL, and optimize our server-side logic for high-performance data retrieval. Dynamic Builder Tools: Engineer zapier-like interfaces for configuring data sources and build a WYSIWYG loyalty portal editor. End-to-End Product Ownership: Architect, deploy, and maintain services across the stack, ensuring secure SSR and seamless API interactions.
What You Bring:
Experience: 5+ years in full-stack engineering, ideally in B2B saas, Fintech, or Web3 consumer apps. Frontend Mastery: Strong experience in React, Next.js, and transforming Figma prototypes into polished UIs using Radix UI, Tailwind CSS, and shadcn. Backend Expertise: Proficiency in Node.js, GraphQL (Hasura), PostgreSQL, and designing secure, scalable backend architectures. Cloud & Security: Familiarity with AWS (Amplify, Cloudfront), containerization (Docker/Podman), and security best practices (e.g., CORS, CSP). DevOps & CI/CD: Experience with automating deployments, optimizing database queries, and maintaining a smooth developer experience using modern CI/CD pipelines. Startup Agility: Thrive in a fast-paced, impact-driven environment.
Why Absinthe Labs?
High-Impact Work: Join a tight-knit team shipping Web3 loyalty infrastructure that directly influences millions of users. Flexibility: Work remotely or from NYC Hybrid. Compensation: Competitive salary (region-based) + equity in a high-growth Web3 startup.
Apply Here: https://absinthe.network/careers#open-positions
Pulumi simplifies managing cloud infrastructure. Pulumi's Infrastructure as Code (IaC) platform enables developers and infrastructure teams to define, deploy, and manage cloud resources using familiar programming languages like Python, TypeScript, Go, .NET, Java, and YAML.
Engineering
Engineering Manager - Ecosystems, Engineering Manager - Cloud AI, Engineering Manager - Pulumi ESC, Principal Software Engineer - Ecosystem, Principal (and Senior) Software Engineer - Languages and SDKs, Principal Software Engineer - Secrets, Senior Frontend Engineer, Senior Software Engineer - Insights
Product
Principal Product Manager - IaC Platform, Principal Product Manager - Insights, Principal Product Manager - Shared Services
For full details and to apply, visit our careers page: https://www.pulumi.com/careers/
We are Toontown: Corporate Clash, an entirely not-for-profit MMORPG that is a fan reimagination of Disney's defunct MMORPG, Toontown Online. Besides continuing the legacy of Toontown Online and bringing the MMO into the 21st Century, we also use our original IP to [raise funds for charities](https://corporateclash.net/news/article/155) - we have raised over $54K for children's health and LGBTQ+ charities.
We are on the lookout for a broad range of talents, from Tech to Art to Community Management! Everybody on the team is a volunteer - there is no salary, we do not solicit donations and all expenses are funded by our staff. We pride ourselves as being a training ground for up-and-coming talent to gain experience working on a real product in a 100+ strong team; some of our volunteers have used their experience with us to land jobs in and out of the industry.
We have lots of interesting tech problems that arises from building on top of a 20+ year old codebase (yes, Toontown development started out on Python 2.0!). We are especially interested in people with an interest in distributed systems, system administration, game physics and automation pipelines!
You can see all of our positions and how to apply here (when emailing us, feel free to say HN): https://corporateclash.net/help/apply
How much you want to contribute is up to you; our volunteers typically contribute 5-10 hours a week.
NOTE: You can ignore the 3-month in-game activity requirement, it's being revised soon!
A career at Rockstar Games is about being part of a team working on some of the most creatively rewarding and ambitious projects to be found in any entertainment medium. You would be welcomed to a dedicated and inclusive environment where you can learn, and collaborate with some of the most talented people in the industry.
RESPONSIBILITIES
Develop highly scalable server-side features for our online game console clients using object-oriented development in C#, ASP.NET, and SQL Server.
Develop back-end services and APIs. Actively practice Test Driven Development (TDD) while developing new features and refactoring existing code.
Work in an AWS cloud-based, event-driven microservice architecture with a high priority on web performance optimization.
Collaborate with other Rockstar technology teams across our worldwide studios.
New York: https://grnh.se/01daf4583us
San Diego: https://grnh.se/87116de23us
New England: https://grnh.se/3d1c2f9a3us
You can see our other openings here: https://www.rockstargames.com/careers/
Bloomberg is hiring experienced software engineers to build high-performance infrastructure that powers real-time financial data for global markets. We process massive datasets from regulatory agencies, exchanges, central banks, and financial institutions—fueling Bloomberg products and AI-driven insights. Our work directly impacts traders, analysts, and decision-makers worldwide.
We tackle hard distributed systems problems at scale, from low-latency data processing to cloud/hybrid computing, leveraging cutting-edge open-source & proprietary technologies.
I joined Bloomberg in 2020 via its acquisition of Second Measure (YC S15) and stayed because of the challenging problems and the freedom to solve them. Bloomberg values deep technical expertise and gives engineers real ownership over impactful projects.
We're hiring for roles in these locations with 3-days in office most weeks:
Princeton/New York: https://bloomberg.avature.net/careers/JobDetail/Senior-Softw...
EDIT: I am only considering applicants based in Melbourne at this stage.
Sideline is a rapidly growing SaaS product for law firms that enables a track changes feature for draft emails within Outlook.
Around 30 law firms are currently using the product across three continents. Sales have been inbound. The company is bootstrapped. I am the sole founder looking for somebody to take the lead on the technology side so I can focus on growing the business.
Sideline is a web application. You will have full ownership of the codebase and SaaS infrastructure. You will interact directly with customers, being included in product feedback calls and some sales meetings.
Technologies used: JavaScript (some jQuery - not for long), TypeScript, Node.js, Azure, MS Graph APIs, Office JavaScript APIs. Note this is not a .NET/VSTO/COM Add-in.
Background on me: I was a corporate lawyer for 10+ years, as well as doing a bit of legal tech consulting, before founding Sideline. I’m active on LinkedIn.
If interested to learn more, please email: daniel at trysideline dot co.
Series A AI Fintech Startup headquartered in NYC. If you’re outside of NYC, we'd like you to make quarterly visits and are happy to support higher-frequency visits.
You'll get a sense of what we're building during the coding challenge, which you can start by sending a POST request to:
https://apply-to-avantos.dev-sandbox.workload.avantos-ai.net
Payload should be this:
{"email": "<your-email>"}
You'll need to make sure the user agent isn't something too bot-seeming or WAF will block you. (Sorry we're a startup no time to fix.) This user agent works: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Eedi is an edtech startup. We make software that helps children learn maths.
We've secured a $12M grant from a prestigious US foundation and partnered with major education providers and other big (household name) companies. We're looking to hire a senior .NET person that can take what we've built and figure out how to scale/integrate it within other education platform—we're going to call you an API designer.
Our mission is to sustainably improve learning outcomes for 1 billion students by 2030.
Come join us: https://eedi.factorialhr.com/job_posting/software-engineer-b...
RepSpark is the top SaaS B2B wholesale ecommerce platform for brands in apparel, footwear, and accessories. For example, we're how golf shops across North America and Europe purchase brands like Titleist, Peter Millar, Kjus, etc.
Our tech stack includes C#/.NET, GraphQL, React, TypeScript, PostgreSQL, and AWS.
The Professional Services team bridges the gap between technical implementation and business needs.
What you'll do:
- Participate in discovery calls with clients to understand their business needs
- Design and implement custom integrations between RepSpark and client ERP systems
- Present technical solutions to non-technical stakeholders in clear, accessible terms
- Collaborate with clients' IT teams to ensure successful implementations
- Proactively identify and communicate potential technical challenges
What we're looking for:
- Exceptional verbal and written communication skills
- Experience presenting technical concepts to non-technical audiences
- Client-facing experience in a technical role is a plus
Please email hn@repspark.com with applications or questions. We'd love to hear from you!
automotiveMastermind (an S&P Global Company) is hiring a hybrid/onsite Senior Software Engineer in New York. We are looking for strong expertise with React on the Front End and some experience with C#/.Net on the Back End.
automotiveMastermind helps dealerships sell more cars by predicting and targeting likely buyers.
https://spgi.wd5.myworkdayjobs.com/en-US/aM_Careers/details/...
Tech Stack - We have a cloud-native architecture, and we use Google Cloud Platform extensively. We regularly evaluate new technologies to see which ones we want to adopt. Some other tech stack basics: a) Languages/frameworks - C#, Python, Typescript, React b) Databases - PostgreSQL, MongoDB, Redis, ElasticSearch
Also,
a. Our scrum teams own the entire software development life cycle, including design, development, testing, and maintenance. b. We prioritize speed and flexibility. New code is deployed to production every single day.