Own product-level security across backend services, infrastructure, and CI/CD pipelines.
Lead threat modeling and security reviews for new features and architectural changes.
Identify high-impact, systemic security risks and drive long-term, preventive solutions.
Solflare is a fast-growing crypto wallet that aims to build a powerful gateway to Web3. Founded in 2021, Solflare has nearly 140 employees with offices in Zagreb, Belgrade, and Novi Sad, and it takes on bold challenges with curiosity, grit, and a deep sense of accountability in its culture.
Help drive backend architecture to the next stage of Roof’s systems
Work in a fast-paced cross-functional team that values doing things ‘the right way’
Contribute in an early-stage company with engineering first culture
Roofr is dedicated to providing customers with essential sales tools. They have built a CRM that connects solutions into a powerful platform and are a successful startup with best-in-class company metrics, offering its team significant growth and equity.
Design, build, and ship backend services that support user-facing features across mobile and web experiences
Collaborate closely with frontend engineers, product managers, designers, and data partners
Lead backend technical planning and contribute to architecture decisions that improve scalability, reliability, and performance
OnePay is a consumer fintech that aims to improve financial systems for millions of Americans. They provide an all-in-one financial services platform, partnering with employers to deliver embedded financial services to employees and frontline workers.
Help develop and maintain our client-facing REST API.
Help build the under-the-hood backend logic and integrations with other distributed services to abstract away our internal complexities.
Ensure proper security and data protection policies, procedures, and monitoring are in place.
EnergyHub empowers utilities and their customers to create a clean, distributed energy future. The company helps consumers turn their smart thermostats, EVs, batteries, and other products into virtual power plants. EnergyHub offers a generous benefits package including 100% paid medical for employees and a 401(k) with employer match.
Own well-scoped work from requirements through release, ensuring solutions meet acceptance criteria and work effectively in real-world operational workflows.
Break down larger initiatives into clear milestones, identify dependencies early, and proactively surface blockers and risks.
Build production-quality, maintainable code that follows established standards and supports fast, safe iteration over time.
Koala Health is building better ways to support pet parents, veterinary clinics, and pharmacy operations through thoughtful, reliable technology. They are a warm, pet-loving team who values teaching, learning, and helping each other out.
Design & expand the backbone of our platform to scale to hundreds of thousands of merchants from all around the world
Mentor other engineers to ensure their development & growth
Improve engineering standards, tooling, and processes throughout the organization
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The company is remote-first and offers competitive benefits that are anchored to their core value of people come first.
Design and implement robust, scalable, and maintainable backend systems, primarily using Ruby on Rails.
Develop and integrate APIs that enable secure, efficient, and reliable communication between backend services and external systems.
Take ownership of backend features and functionality, contributing to development from design through deployment.
NovoEd is an enterprise learning platform that helps organizations build critical capabilities at scale through collaborative and experiential learning. Founded in 2012 out of Stanford’s Social Algorithm Laboratory, NovoEd has grown into a trusted partner for many of the world’s leading companies, executive education providers, and training organizations.
Release new product features and maintain existing services
Have a deep understanding about product values and contribute collectively to create the best product experience
Build secure, performant, and easy-to-use backend APIs and database designs with clear documentation
Forma helps companies offer competitive benefits packages while reducing costs and inefficiencies, by giving employees more choice and flexibility in how they spend their benefit allowances. They have helped hundreds of the world’s most admired companies design and support flexible, inclusive benefits programs for nearly a million employees.
Design and build high-performing, distributed APIs and microservices that scale to handle heavy traffic
Design efficient database schemas and optimize complex queries for large, interconnected datasets
Write testable, maintainable code with a bias toward self-documenting practices
SalesRabbit is a leader in field sales, operating as the only fully integrated field sales management platform, continuously evolving enterprise-ready selling solutions. They have a team of 100+ and growing, and the engineering team is largely remote, working across the US, Latin America, Europe, and India.
Building scalable systems in an innovative environment.
Shaping the value we deliver to our customers.
Making architectural decisions that will hold up as we grow.
Dragonboat is a leading provider of an AI platform for Strategic Product and Portfolio Management. They are a venture-backed, fast-growing SaaS startup with remote teams in Portugal and the US.
Break down larger projects into individual tasks and deliver them in phases.
Support peers and stakeholders by collaborating with product management, design & analytics.
Contribute to team community by engaging in growth and development activities, such as the interview process.
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. As a remote-first company with the majority of roles being remote, they offer competitive benefits anchored to the value of prioritizing people.
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.
Design and build scalable backend systems, APIs, and data pipelines
Own services end-to-end, including architecture, development, deployment, and operation
Lead technical design discussions and contribute to system architecture decisions
VulnCheck is transforming vulnerability intelligence by helping security teams act faster and with more confidence. They were founded in 2021 and strive to have a transparent, collaborative, and supportive culture- with smart, humble, hardworking, and supportive teammates.
Own the architecture, development, and operation of scalable, secure, and fault-tolerant cloud services.
Drive technical design and architectural decisions for distributed systems, influencing patterns, standards, and long-term platform evolution.
Lead complex initiatives end-to-end, from design through deployment and ongoing optimization.
ExtraHop is a company focused on reinventing Network Detection and Response (NDR) to offer enterprises unparalleled visibility, context, and control against emerging threats. They integrate NDR with Network Performance Management (NPM), Intrusion Detection Systems (IDS), and forensics, providing a single, comprehensive solution.
Design and develop next-generation Security Platform Management capabilities that strengthen GitLab’s enterprise security offering
Build and optimize scalable backend services and data models in Ruby on Rails with PostgreSQL for large volumes of security data
Develop and maintain robust REST and GraphQL APIs that power security workflows across the GitLab platform
GitLab is the intelligent orchestration platform for DevSecOps. With over 50 million registered users GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. They embrace AI as a core productivity multiplier, and value knowledge exchange, enabling team members to reach their full potential while collaborating with industry leaders to solve complex problems.
Mentor fellow engineers and lead application architecture decisions
Troubleshoot, debug and resolve software bugs
Optro is a leading audit, risk, ESG, and InfoSec platform, surpassing $300M ARR and growing. They empower over 50% of the Fortune 500 with award-winning technology and are recognized as one of the fastest-growing tech companies in North America.
Build, maintain, and improve APIs and services powering public-facing applications
Deliver performant, reliable backend solutions aligned to product requirements
Drive backend architecture and API design decisions that improve scalability, resiliency, and maintainability
PlayOn is a dynamic growth-stage company dedicated to championing the spirit of play in the high school space. Backed by KKR, their family of brands empowers schools with innovative solutions and exceptional service. Their culture is built on accountability, collaboration, growth, and fairness.
Design, build, and maintain core KEPM/EPM capabilities, including policy evaluation, privilege enforcement, elevation workflows, and audit logging
Develop and harden endpoint agent components (services/daemons, installers/updaters, local policy caching, secure IPC) with a focus on security, reliability, and performance
Implement platform integrations and management-plane capabilities (APIs, admin workflows, telemetry) to support enterprise deployment, monitoring, and troubleshooting
Keeper Security is a cybersecurity software company protecting organizations and people in over 150 countries. They are a pioneer of zero-knowledge and zero-trust security built for any IT environment and secure passwords, infrastructure secrets, remote connections and endpoints.
Own and evolve vulnerability management end-to-end.
Embed secure design principles across mobile applications, APIs, and microservices.
Partner closely with engineering teams to remediate security issues.
Smart Working connects skilled professionals with global teams for full-time, long-term roles. They help you discover meaningful work with teams that invest in your success, where you’re empowered to grow personally and professionally.
Lead the end-to-end design, development, and maintenance of scalable backend applications using Python.
Architect, build, and optimize cloud-native solutions on AWS.
Mentor and guide engineers across levels, contributing to code quality, architecture choices, and development best practices.
ConnectWise is a global software company dedicated to the success of technology solution providers. They have over 3,000 colleagues in North America, EMEA, and APAC and value connections, colleagues, and community.