Source Job

• Build and evolve the backend infrastructure for Dash0's Agentic AI Platform.
• Partner with AI engineers to optimize agentic workflows.
• Architect and evolve our security strategy for executing unknown code.

Dash0 is building an OpenTelemetry-native, simple, and AI-centric platform that eliminates vendor lock-in. They are backed by top-tier investors including Balderton Capital, Accel and Cherry Ventures and led by a founding team with decades of experience in observability.

• Design and build distributed systems in Go that help customers send timely, relevant messages at scale
• Collaborate across teams to debug issues and deliver reliable solutions
• Own problems end to end - from architecture and schema design to testing, deployment, and monitoring

Customer.io's platform is used by over 8,000 companies – from scrappy startups to global brands – to send billions of emails, push notifications, in-app messages, and SMS every day. Under the hood: Go, React, Ember and AI help them ship fast and scale with confidence.

• Design, build, and maintain backend services for device connectivity using AI.
• Use agentic workflows to increase delivery velocity without sacrificing quality.
• Help define and codify AI-native engineering practices for the Devices Cloud team.

Life360's mission is to keep people close to the ones they love with a range of services, including location sharing, safe driver reports, and crash detection with emergency dispatch. They are a remote-first company with more than 500 employees.

• Build, test, and deploy automations and AI-powered tools to optimize workflows.
• Integrate APIs and design MCP servers for seamless interoperability across internal systems.
• Collaborate with marketing, product, and security teams to automate the generation of branded documents and marketing assets.

Qohash is building a pillar of Canada’s digital sovereignty, believing security must scale without moving data as AI adoption accelerates. They value people with technical depth and strategic clarity, who pursue excellence and collaborate to protect sensitive data.

• Connect daily actions to customer and company success.
• Measure success by teammate and user experience.
• Integrate AI tools to accelerate delivery and brainstorm.

Vcluster Labs is a venture-backed tech startup striving to be the leading force in enabling platform engineers. They raised +$30M from top-tier VCs and are in a hyper-growth phase looking for motivated people to complement their team, with a remote-first work culture.

• Be responsible for delivering on business-critical outcomes through your product contributions to our Go-based endpoint agent cybersecurity platform.
• Develop cloud microservice components using Typescript, Go.
• Leverage your deep understanding of design and architecture, along with best practices in design patterns.

Blackpoint Cyber is a cybersecurity threat hunting, detection, and remediation technology provider founded by former NSA cyber operations experts. They are in hyper-growth mode, fueled by a recent $190m series C round and offers national security-grade technology.

• Design, architect, implement, review, and test frameworks, libraries, tools, and services primarily using Go.
• Participate in requirement, design, planning, and retrospective meetings as an integral part of an Agile software development team.
• Contribute to successful sprints by implementing items contributing to overall team goals.

Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment.

• Build and improve Go microservices and backend APIs.
• Be responsible for backend features end-to-end, from implementation to production.
• Contribute to backend architecture, performance, and reliability.

Vektor TMS is a logistics software company that builds operational software for carriers and freight brokers across the U.S. and Europe. Their platform brings dispatch, tracking, billing, settlements, payouts, and analytics into one system.

• Design and build event processing services and pipelines on AWS serverless.
• Write production-quality Golang and/or Python code with comprehensive testing and observability.
• Own services end-to-end: development, deployment, monitoring, incident response, and SLA adherence.

Pismo provides a comprehensive processing platform for banking, card issuing and financial market infrastructure and helps customers innovate and build the next generation of banking and payment solutions. Pismo's 500+ employees are located in more than 10 countries around the world.

• Develop, test, and deploy applications for internal use.
• Collaborate with teammates via peer reviews and pair programming.
• Support internal users and ensure system uptime.

Twilio is shaping the future of communications by delivering innovative solutions to businesses and empowering developers worldwide. They are dedicated to remote-first work with a strong culture of connection and global inclusion, with locations around the globe.

• Help us inspire and equip developers to build with Twilio products and AI technology.
• Be an active and authentic participant in the developer community wherever they gather online and offline.
• Attend, plan and speak at in-person and virtual events.

Twilio is shaping the future of communications, delivering innovative solutions to hundreds of thousands of businesses. They empower millions of developers worldwide to craft personalized customer experiences, with a strong culture of connection and global inclusion.

• Design and implement core backend systems and integrations that power the product.
• Design and build our data platform (orchestration, pipelines, developer workflows)
• Create scalable systems for data ingestion, transformation, and access

Avantos is building the AI-native operating system for financial services, transforming fragmented data into a single, intelligent system. They power workflows, automation, and decision-making as a product-led, fast-moving team in AI, fintech, and infrastructure.

• Build and iterate on Weaviate Cloud products and PLG levers.
• Identify and resolve friction in the Weaviate Cloud user journey.
• Partner cross-functionally with Product, Design, Growth, Web, and Documentation teams.

Weaviate is an AI startup focused on enabling machine learning to create meaningful insights from unstructured data through our AI-native vector database. We are named one of Forbes’ Top 50 AI startups and are experiencing rapid growth and popularity.

• Design, code, test, and optimize high-performance Go services to power USPS shipping for millions of users.
• Refactor legacy systems for the cloud and design new cloud-native services that leverage Azure, Kubernetes, Kafka, and more.
• Collaborate with product managers and engineers to translate ideas into solid architecture, and troubleshoot production issues.

EasyPost, founded in 2012, is a YC unicorn focused on simplifying shipping for businesses, from startups to Fortune 500 companies. They provide a developer-friendly REST API for shipping and aim to simplify the shipping process through innovation.

• Develop and maintain applications using Golang or Java, following clean code and best software engineering practices.
• Design and implement scalable, reliable, and secure microservices architecture.
• Collaborate with engineering and product teams to refine and deliver technical solutions aligned with business needs.

Pismo, founded in 2016 and acquired by Visa in 2024, provides a comprehensive processing platform for banking, card issuing, and financial market infrastructure. With over 500 employees across 10+ countries, they empower firms to build and launch financial products rapidly.

• Lead, mentor, and support a cross-functional team of engineers delivering growth-critical systems and features.
• Collaborate daily with Product and Design to define scope, set priorities, and ensure seamless execution.
• Keep projects moving forward — maintaining clear expectations, realistic estimates, and transparent communication with stakeholders.

Kraken is a mission-focused company rooted in crypto values. It aims to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. As a fully remote company, Kraken has Krakenites in 70+ countries, they are industry pioneers who develop premium crypto products.

• Design and build distributed systems in Go that help customers send timely, relevant messages at scale
• Collaborate across teams to debug issues and deliver reliable solutions
• Own problems end to end - from architecture and schema design to testing, deployment, and monitoring

Customer.io's platform is used by over 8,000 companies to send billions of messages daily, automating communication with real-time behavioral data. They value empathy, transparency, and responsibility, fostering an inclusive team culture and using their influence to increase inclusion and equity within the tech industry.

• Serve as the technical point of reference for the squad and broader engineering team.
• Lead the design and architectural discussions for systems.
• Advocate for and ensure the delivery of high-quality, maintainable, and scalable code.

Nerdy, the company behind Varsity Tutors, is redrawing the blueprint of learning. Their Live + AI™ platform fuses real-time human expertise with proprietary generative-AI systems, setting a new bar for measurable academic impact at global scale.

• Architect the algorithms, execution strategies, and infrastructure that power solver competition, quote aggregation, and intent-ready execution workflows.
• Lead deep code and design reviews, make high-impact architectural decisions, and uphold the highest engineering standards.
• Work with product, research, and ecosystem partners to align Solver capabilities with the NEAR Intents roadmap.

Defuse Labs develops NEAR Intents to enable seamless cross-chain interactions in an automated world — connecting AI, services, and financial applications. With expertise in AI, cryptography, and decentralized finance, our team is redefining how intelligent agents interact across blockchain networks.

• Build and own the foundational infrastructure that our products run upon.
• Work directly on our products' golang code base to implement SRE related objectives.
• Take a data driven approach to quantifying system performance and reliability.

LiveKit provides the network infrastructure for multimodal AI interfaces, enabling seamless audio and visual interactions. Founded in 2021, LiveKit supports over 3 Billion calls annually, with 100,000+ developers and industry giants like OpenAI, Spotify, and Meta.