Apply a data-driven approach to identify emerging cybersecurity fraud trends and tactics.
Design, implement, and maintain scalable and high-performance APIs and backend systems.
Work closely with cross-functional teams to deliver high-quality software.
Bolster builds an AI-powered fraud prevention and brand protection platform that detects and eliminates phishing, impersonation, and online scams at internet scale. With decades of combined cybersecurity expertise and backing from investors like M12, Thomvest Ventures, and Crosslink Capital, our team is growing as we transition from a small startup into our next phase.
Design and build scalable backend systems powering AI agents in real-time enterprise environments.
Develop agent orchestration frameworks and low-latency inference pipelines integrating LLMs and SLMs.
Build robust APIs and work with cross-functional teams to productionize agentic AI at scale.
Level AI is an AI-native platform that helps enterprises transform contact centers into engines of customer intelligence and operational efficiency. The company is a Series C startup backed by Battery Ventures and ENIAC, based in Mountain View, California, with a globally distributed team.
Design, build, and iterate on AI systems across computer vision, video generation, and agentic data analysis.
Own the full pipeline from R&D of AI models to deploying scalable web applications.
Work directly with the founder using AI-assisted development tools to build prototypes in days.
Foxelli builds D2C e-commerce brands and proprietary AI infrastructure, generating over $20M annually. The team is a fast-moving, remote-first tribe of AI enthusiasts and ambitious builders with a strong culture and focus on meaningful work.
Design, develop, and maintain Python-based APIs and microservices for a global workforce management platform.
Collaborate with product managers, designers, and engineers across remote cross-functional squads.
Contribute to architecture, documentation, and continuous improvement of secure, scalable backend systems.
Our partner is a platform enabling companies to hire and manage talent across borders with ease. It is a fast-growing, remote-first engineering organization with collaborative squads across time zones.
Own and evolve core systems for freight brokerage operations including quoting, booking, pricing, and scheduling.
Lead technical initiatives across several Python/Django services, from design to phased rollout.
Ship high-impact product and revenue work such as pricing integrations and feature-flag strategies.
Loadsmart is a growth-stage technology company valued at over $1 billion, using innovative technology to reinvent the future of freight. With headquarters in Chicago and a globally distributed remote team, it attracts top talent committed to driving meaningful change and embodying core values like curiosity, clarity, results, commitment, and teamwork.
Architect and manage production-grade AI systems for real-time market intelligence and user engagement.
Build and scale high-performance systems with extreme low latency, supporting tools like the 24/7 Terminal and BOOST Scanner.
Lead on-demand AI initiatives from concept to deployment, ensuring seamless data-to-insight lifecycles and commercial ROI.
Crypto Banter is the world's number one live crypto streaming channel, covering Bitcoin, breaking news, and market moves daily. With over 140 team members and 85k daily active users, we are a fast-growing, passionate group of enthusiasts and entrepreneurs.
Design end-to-end AI integration architectures connecting LLM APIs, vector databases, and inference systems to existing backend infrastructure.
Build reusable ML infrastructure components like feature pipelines, model serving layers, and evaluation frameworks that multiple portfolio companies standardize on.
Establish AI system integration best practices and governance patterns that become repeatable playbooks across the holding company.
Emergence is a thematic holding company backed by the Pritzker Organization focused exclusively on acquiring and scaling category-defining software businesses. They invest in focused portfolios, specialized operating groups with deep domain expertise and proven playbooks.
Ship fast and well: Deliver a new AI agent every 6 weeks, owning the full backend and AI logic from scoping to deployment — balancing speed with reliability and minimal technical debt.
Build for the long term: Architect pragmatic LLM guardrails and future-proof components that hold up in a regulated banking environment and don't need rewriting three months later.
Leverage AI daily: Use AI coding tools (Cursor, Claude Code, Copilot…) for ~70% of your coding to review, refine, and ship features faster.
Qonto is creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. Founded in 2017, Qonto has grown to 1,600+ Qontoers serving over 600,000+ customers across 8 European countries and has been profitable since 2023.
Contribute to the codebase as a technical force multiplier, improving quality and modeling engineering standards.
Lead and develop a team of backend engineers, fostering technical excellence and continuous growth.
Architect critical financial systems for payment processing, fraud detection, and compliance with strict regulatory requirements.
Astra builds mission-critical financial infrastructure, powering payment processing, fraud detection, and financial compliance for high-volume businesses. As a small, remote-first team, we value thoughtful collaboration and engineering excellence in a fast-paced environment.
Build multi-agent AI systems and automation platforms for Marketing Operations at scale.
Design and implement LLM integrations, backend services, and agentic workflows.
Partner with cross-functional teams to identify high-impact automation problems and ship measurable solutions.
Grafana Labs is the company behind the open observability cloud, offering a fully managed platform with AI capabilities to help organizations monitor and optimize their systems. With over 1,600 team members across 40+ countries and backed by top investors, we maintain a 100% remote, collaborative culture rooted in open source and innovation.
Set the technical direction for backend platform architecture, owning decisions spanning integrations, data, messaging, and orchestration.
Drive cross-functional initiatives with AI Engineering, Product, and Integrations leadership, shaping platform strategy and roadmap.
Define org-wide engineering standards for backend service design, data modeling, and operational excellence while mentoring engineers across the organization.
Conversica builds AI-powered solutions that help businesses engage customers more effectively. You'll join a small, experienced platform engineering team in a remote-first company.
Setting and driving the technical strategy across the Partners engineering teams, from architecture decisions through to hands-on implementation.
Owning the design of core backend services for high-performance distributed systems, with scale and reliability as non-negotiables.
Acting as the technical authority on partner integrations — shaping how third-party PSPs connect with Primer's platform.
Primer is the unified infrastructure for global payments, giving finance teams visibility and control. We are backed by top investors and have a remote-first culture focused on impact.
Design and build end-to-end features across frontend and backend systems.
Develop scalable, maintainable, and secure software architectures with AI-powered capabilities.
Collaborate with product, design, and platform teams and contribute to engineering best practices.
Crosslake Technologies helps private equity investors and portfolio company leaders drive value creation through technology. They are a team of experienced practitioners who use proven frameworks and data to navigate critical technology decisions.
Write behavioral specs, architectural constraints, and feature requirements that agents implement against.
Build and maintain harness infrastructure including structural tests, linting rules, and CI gates.
Design validation systems where agents write the tests and you verify features work from the user's perspective.
Bolo.ai builds generative AI systems for the energy industry, making daily work faster, safer, and better for heavy industry workers. We have Fortune 500 contracts, production deployments, and growing enterprise demand, and we're scaling with a small, senior-leaning engineering team.
Own and evolve data infrastructure including Supabase, n8n workflows, HubSpot integrations, and pipelines connecting external platforms.
Take technical ownership of the content factory: tooling, automation pipelines, and agent orchestration for scalable production.
Reduce manual overhead by building automations and agent workflows that replace repetitive processes.
Platform Engineering is home to the world's largest community of platform engineers, connecting thousands of professionals through events like PlatformCon with over 35,000 participants annually. The team fosters a low-ego, async culture and operates fully remote across Europe.
Define and drive the technical roadmap for platform infrastructure and scalability.
Design and review complex system architectures that support company growth.
Mentor engineers and provide technical guidance to elevate engineering capabilities.
PadSplit operates a marketplace for affordable shared housing. It is a growing company with an engineering-focused culture that values collaboration and technical excellence.
Design, build, and maintain scalable full stack applications.
Collaborate with Product, Design, Commercial, and Analytics teams to deliver impactful features.
Develop and integrate AI-powered workflows and LLM-based solutions using modern generative AI tooling.
Smart Working believes your job should feel right every day. They connect skilled professionals with global teams for full-time, long-term remote roles and value employee growth and well-being. They are a highly-rated workplace on Glassdoor.
Design, develop, and maintain backend (Python/FastAPI) and frontend (React) components of web applications, with a strong focus on backend architecture and performance.
Build and integrate AI-powered features into production applications, collaborating with data science and ML teams.
Architect cloud-based solutions using AWS services, ensuring reliability, scalability, and optimal application performance.
Blend is a premier AI services provider, co-creating meaningful impact for clients through data science, AI, technology, and people. The company focuses on unlocking value and fostering innovation by harnessing world-class talent and data-driven strategy.
Build and scale high-throughput ingestion and trace-query systems for LangSmith, a purpose-built observability platform.
Set API, SDK, and CLI standards across Python, TypeScript, Go, and Java for consistent developer experiences.
Own integrations with AI frameworks and tools, ensuring LangSmith remains framework-agnostic and easy to adopt.
LangChain builds the foundation for agent engineering, helping developers go from prototypes to production-ready AI agents with platforms like LangSmith and open-source frameworks. With $125M raised from top VCs and 100M+ monthly open source downloads, the team is small but impactful, shaping how AI agents operate in the real world.
Design, develop, and maintain the core backend architecture, ensuring it is scalable, secure, and optimized for performance.
Work closely with front-end developers, product managers, and UX/UI teams to build seamless backend solutions aligned with product requirements.
Monitor and improve backend system reliability, performance, and security, implementing solutions for high-volume request handling.
Piktochart is a web-based graphic design platform that empowers users to create professional-grade visuals, including infographics, presentations, and videos, without needing extensive design experience. Founded in 2011, Piktochart has grown into a global team of developers, designers, marketers, and support staff dedicated to building the best visual storytelling tool on the internet.