SerpApi | https://serpapi.com | Junior to Senior Fullstack Engineer multiple positions | Customer Success Engineer | Hiring Coordinator | Python/Ruby/PHP/Js/Rust/Cotlin/C#/Crystal/Nim/Elixir Developer Advocate positions | Based in Austin, TX but remote-first structure | Full-time | ONSITE or FULLY REMOTE | $150K - 180K a year 1099 for US or local avg + 20% for outside the US SerpApi is the leading API to scrape and parse search engine results. We deeply support Google, Google Maps, Google Images, Bing, Baidu, and a lot more.

Our current stack is Ruby, Rails, MongoDB, and React.JS. We are looking for more Junior and Senior FullStack Engineers. We have an awesome work environment: We are a remote first company (before Covid!). We do continuous integration, continuous deployments, code reviews, code pairings, profit sharing, and most of communication is async via GitHub.

We value super strongly transparency, do open books, have a public roadmap, and contribute to the EFF.

Apply at: https://serpapi.com/careers

PowerSync | Senior Backend Engineer and Database Expert | Full-time | Remote (opt-in regional offices)

PowerSync is a sync engine that keeps your backend database in sync with on-device SQLite. We support Postgres, MySQL and MongoDB as source databases and have a plethora of client SDKS, many of which are integrated with popular libraries and frameworks on the client-side like TanStack DB, Drizzle, GRDB, Room, etc

Detail: https://journeyapps.com/join-us/senior-backend-engineer/

Our team is small and polyglot, but experience with TypeScript is a must.

If you're a database enthusiast and have a solid track record of building, deploying and maintaining backend systems on modern cloud stacks, you're already a candidate. Also, if you're passionate about open source and synced / local-first/offline-first apps, please apply.

Culture: We're agile and devops purists (before those terms got coopted)

SEEKING WORK | Bangalore, India | REMOTE / HYBRID

Location: Bangalore, India Remote: Yes Willing to relocate: Open to relocation within India Technologies: Java, Apache Spark, Kafka, Kubernetes, Spring Boot, MongoDB, REST APIs, Microservices, Distributed Systems, CI/CD Résumé/CV: https://www.linkedin.com/in/sumantopal/ Email: sumantopal07@gmail.com

I’m a Backend Software Engineer with 4 years of experience building and scaling distributed systems. I’ve led the design and development of Spark Streaming and Kafka-based services, optimized data pipelines, and integrated observability systems like Splunk for multi-tenant architectures.

I enjoy solving large-scale systems challenges, mentoring engineers, and driving backend reliability and performance improvements. I’m currently looking for roles focused on distributed systems, platform engineering, or backend architecture.

Hi Hacker News, CrossnoKaye is a growing Series C company based in California, dedicated to tackling climate change by transforming how heavy industry operates. We’re building next-generation technology that helps industrial facilities run cleaner, smarter, and more efficiently. Our flagship platform, Energy AI, delivers measurable results — driving up to 20% reductions in energy consumption and cutting megaton-scale greenhouse gas emissions for some of the largest energy users in North America. We’re scaling quickly and looking for talented engineers who care deeply about innovation, sustainability, and meaningful impact. Our Software Engineering team develops a modern cloud-and-edge platform that enables real-time control, optimization, and AI-driven decision-making for complex industrial systems. We use and contribute to open-source technologies, including our own Goa microservice framework. Our stack includes AWS, Goa, Golang, React, Postgres, Druid, MongoDB, Kubernetes, Honeycomb, and Linux — all powering scalable, resilient, and data-rich applications. What we’re looking for: Senior Software Engineer-Python: (Remote USA) Your main responsibility will be to improve features in the existing software, troubleshoot, write clean code, and grow workflows in Python. You will work in close collaboration with the applied science team to build the next generation control system including predictive models and innovative control algorithms.

Senior Software Engineer in Test (Remote USA) We’re looking for a hands-on engineer who loves Python, backend frameworks, and automated testing. You’ll design and implement test frameworks for our ATLAS and Energy AI platforms, ensuring reliability across distributed, cloud-based systems. Ideal for someone who loves writing clean and testable code.

Senior Software Engineer – Control Systems Infrastructure (Remote – US) Seeking an experienced engineer to help architect and build scalable infrastructure for managing IIOT devices and distributed control systems. You’ll work across cloud and edge environments, handling deployment, observability, networking, and containerized systems at scale. Ideal for someone strong in Kubernetes, AWS, and systems-level engineering.

Senior Software Engineer – Control Systems (Remote – US) Looking for a Go-focused engineer to design and maintain software running on distributed control agents that power real-time industrial operations. You’ll build and debug systems that generate and execute control strategies, stream live metrics to the cloud, and ensure reliable, secure communication across sites. Great fit for someone who thrives on systems-level development, real-time data, and turning complex technical problems into clean, production-ready solutions. Interested? Email careers@crossnokaye.com with your resume and include the position title in the subject line. We look forward to hearing from you!

Rally UXR | Remote | Full-time | Senior/Staff Backend Engineer | $190k–$225k | 0.10%–0.50% Equity

We're building the leading User Research CRM (rallyuxr.com)

Apply here:

https://www.ycombinator.com/companies/rally-uxr/jobs/Ku40MR7...

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At Rally, we believe talking to your users is the key to building great products. Our platform is used by teams at Google, Figma, GitLab, MongoDB, and more to streamline every step of the user research process in one tool.

We’re a remote-first, Series A startup with a small, senior team of builders. While we’re remote, we value connection—hosting regular in-person offsites and providing a yearly remote office stipend.

As a Senior/Staff Backend Engineer, you’ll be central to scaling Rally’s systems to power hundreds of millions of participant records and billions of events. You’ll own core infrastructure like email/SMS delivery, data pipelines, search, and workflow automation—and lay the foundation for new AI-driven features.

We’re fully built in TypeScript and use AWS, Postgres, ElasticSearch, Kafka, and Temporal. No requirements to have previous Typescript experience, but need to be willing to learn.

Join us if you love building for scale, value craftsmanship, and want to shape the backend foundation of a fast-growing product used by the world’s best product teams.

Matcha | Full-Stack Engineer | $160K-$190K + Equity | REMOTE US/CA | https://matcha.fm/apply

We're looking for a full-stack engineer who thrives in fast-moving startup environments.

What you'll do:

Build new products and features from 0 → 1 Own projects end to end — from concept to shipping Collaborate closely with product, design, and leadership Deliver real value to users and help scale a growing platform

What we're looking for:

3+ years building applications Strong with TypeScript, React, Next.js, Node.js, MongoDB, AWS Startup or scale-up experience Excellent communication, ownership, and proactive mindset

Compensation: $160K–$190K + competitive equity

Location: Fully remote (US & Canada). Optional in-person collaboration at SF HQ.

Apply: https://matcha.fm/apply

NIL Club | https://nilclub.com | Remote (US only)

Role: We are looking for a skilled Full Stack React Native Mobile Developer to join our innovative team. You’ll focus on creating and maintaining a mobile application to help student-athletes monetize their NIL (name image likeness). The ideal candidate should be proficient with modern development practices, leveraging AI tools daily for productivity and innovation.

Stack: Typescript, React Native, Expo, React, Next.js, MongoDB, Inngest

More info and how to apply: https://nilclub.notion.site/Senior-Full-Stack-React-Native-M...

FigureTwo | Founding Engineer (Full Stack) | Full-time | Remote (US)

FigureTwo is reimagining scholarly figures — turning static charts into accessible, interactive, and data-linked visuals that power reproducibility and open discovery.

We're founders from the scholarly publishing industry (Springer Nature, American Chemical Society, and Research Square) building the next generation of tools for researchers to create and publish beautiful, transparent, and FAIR-compliant scholarly figures.

What you’ll do: - Lead technical development and architecture for the core product - Build end-to-end features (TypeScript, React, Node.js, MongoDB, Vega) - Integrate AI/ML components (e.g. LLMs for chart suggestions, data extraction) - Collaborate closely with design & product founders on strategy and roadmap

For detailed job descriptions please and application process, please visit https://www.figuretwo.com/careers