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Global

  • Deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines, Reviewer tools, and DevHub.\n- Enhance observability, CI/CD pipelines, and engineering standards to ensure reliable production systems.\n- Collaborate with engineers, designers, and reviewers to modernize platforms and see your work reach millions globally.

Python Django MySQL React TypeScript Google Cloud +1 more

20 jobs similar to Senior Software Engineer, Add-Ons

Jobs ranked by similarity.

$180,000–$200,000/yr
US Unlimited PTO

  • Lead the technical direction of the Web Applications Platform team, establishing architectural principles and a scalable roadmap.
  • Own and evolve shared platform services including authentication, authorization, and configuration.
  • Drive cross-team architectural initiatives to increase developer productivity and reliability.

The company builds healthcare technology to improve patient outcomes. It is a mission-driven, globally distributed engineering team with a focus on platform engineering.

Canada

  • Build and ship product features end-to-end, from design to deployment.
  • Mentor fellow engineers and lead application architecture decisions.
  • Implement back-end APIs in Python and Node.JS, and work on front-ends with React, Vue, and Ember.

Optro helps enterprises transform risk into opportunity through its AI-powered GRC Intelligence Platform, trusted by over 50% of the Fortune 500. We are one of the 500 fastest-growing tech companies in North America, ranked by Deloitte for the seventh straight year, and foster a culture of innovation, collaboration, and continuous learning.

$154,500–$225,450/yr
US Canada Unlimited PTO

  • Build 0→1 products: Create new services, features, and user experiences from scratch, evolving prototypes into scalable systems.
  • Work through ambiguity: Transform loosely defined problem spaces into clear technical approaches, partnering with product and design.
  • Experiment rapidly: Build POCs, validate ideas with customer feedback, and influence product direction while ensuring quality end-to-end.

CaptivateIQ transforms how companies plan, manage, and optimize sales performance, starting with incentive compensation and expanding to broader sales planning. Backed by top investors like Sequoia and ICONIQ, the company fosters a product-focused engineering culture that empowers high-growth clients like Netflix and Stripe.

US Unlimited PTO

  • Build and maintain scalable systems for client launches and member access, owning the eligibility, identity, and configuration platform.
  • Work cross-functionally with product and design to translate ambiguous problems into clear technical plans and execute them across the full stack.
  • Serve as a technical thought leader, mentor other engineers, and drive cross-team engineering initiatives while maintaining HIPAA and GDPR compliance.

Modern Health is a mental health benefits platform for employers, offering employees access to one-on-one, group, and self-serve digital resources for well-being. With over $170 million in funding and a culture of high empathy and high accountability, Modern Health is the fastest female-founded company to reach unicorn status and is known for its drive to win.

Europe

  • Design, build, and operate customer-facing POS experiences across React Native, Expo, TypeScript, and Python services.
  • Develop offline-first capabilities and reliable APIs using PostgreSQL, Valkey, and REST.
  • Own observability, automated testing, release quality, and production support for critical workflows.

We transform hospitality with an intelligently designed platform powering properties across 150 countries. Our team of 650+ employees across 40+ countries is passionate about innovation and travel.

$180,000–$250,000/yr
US 4w PTO

  • Own full-stack initiatives from discovery through production, ensuring reliable outcomes.
  • Translate ambiguous customer and operational needs into technical plans and shippable increments.
  • Design and maintain applications using Python/Django backend and React/TypeScript frontend.

The company is a partner organization that builds software solutions for its customers. It operates with a lean engineering team and emphasizes autonomy and accountability.

Latin America

  • Architect, test, and ship end-to-end full-stack software solutions for financial reporting and data visualization.
  • Refactor existing software using Agile methodologies to improve maintainability and speed.
  • Collaborate with product managers and data engineering teams to serve private asset analytics.

Bluelight is a software consultancy designing technology to enhance users' lives. It is a rapidly growing company with a collaborative and diverse culture.

Brazil

  • Design and build scalable backend services and modern web interfaces for a cloud-based enterprise platform.
  • Build resilient systems with asynchronous processing, fault-tolerant patterns, and enterprise-grade security.
  • Contribute to architectural decisions and mentor developers to raise engineering standards.

CI&T helps large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 employees across more than 25 countries, they collaborate to build solutions with real impact.

US

  • Lead frontend architecture, including component design, state management, and performance for React and TypeScript interfaces.
  • Build and extend Python APIs and collaborate on data contracts, API design, and integration patterns.
  • Drive frontend standards, mentor engineers, and support internal tooling for operations and compliance.

Astra builds mission-critical infrastructure for moving money at scale, processing billions annually with 99.9%+ uptime. They are a remote-first, small, high-output team focused on collaboration and professional growth.

$165,000–$200,000/yr
US

  • Design, develop, test, and maintain full-stack application capabilities with an emphasis on secure, scalable, maintainable, and production-ready software.
  • Develop backend services, APIs, integrations, automation, and supporting tools across cloud-based and on-premise cybersecurity and compliance applications.
  • Implement role-based access control, data models, and risk-analytics logic to support diverse user types and complex data ingestion.

Quantum Sky engineers advantage across cyber, networks, software, and quantum for mission-driven environments. They foster a collaborative, innovative, and mission-driven team where every member plays a critical role in shaping the future of technology.

US Unlimited PTO

  • Build best-in-class AI features end to end, including RAG pipelines, agentic workflows, and LLM apps on AWS Bedrock, shipping them to production fast.
  • Design and ship async Python services (FastAPI, SQLAlchemy 2 async) that stream live job progress to users over WebSocket/SSE and own features in the React/TypeScript portal.
  • Take real ownership from day one across backend, frontend, cloud, and applied AI, with mentorship from experienced engineers and a fast-moving fully remote team.

Veeva Systems is a mission-driven cloud software leader for the life sciences industry, helping pharmaceutical and biotech companies bring therapies to patients faster. As one of the fastest-growing SaaS companies with over $3B in revenue, it became a public benefit corporation in 2021 and supports a flexible work-anywhere culture.

Canada Unlimited PTO

  • Design, build, test, and support enterprise software, APIs, automation workflows, and developer-facing platform capabilities.
  • Collaborate closely with team members, product partners, and stakeholders across the company to deliver secure, high-performance solutions.
  • Contribute to technical design, architecture discussions, and mentor team members through code reviews and knowledge sharing.

Kinaxis is a global leader in modern supply chain orchestration, powering complex global supply chains with an AI-infused platform. With over 2,000 employees worldwide and multiple Top Employer awards, the company fosters an innovative, inclusive culture focused on customer success and social responsibility.

UK Unlimited PTO

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity and ensuring support throughout delivery.
  • Collaborate with product management, design, and analytics to articulate technical constraints and partner on decisions with risk and trade-offs.
  • Foster a culture of quality by setting code review and design standards, and develop talent through feedback and guidance.

Affirm provides a clear, predictable way to pay over time, with no hidden fees or surprises. We are a remote-first company serving over 20 million people, with a culturally rooted Silicon Valley team spread across Europe.

$166,500–$291,400/yr
US Canada

  • Build high-quality, scalable code and enforce software engineering best practices.
  • Own your code from design through implementation, test automation, and delivery.
  • Collaborate with product managers and architects to define and enhance product features.

ServiceNow is the AI control tower for business reinvention, helping 85% of the Fortune 500 work smarter, faster, and better. They are building an AI-native culture where technology and talent are unstoppable together.

Germany

  • Build APIs, integrations, and infrastructure for a modern hospitality platform using Python.
  • Design resilient event-driven workflows and ensure high reliability, scalability, and observability.
  • Collaborate with technical and non-technical stakeholders in a globally distributed remote team.

The company operates a modern hospitality platform that connects with a broad ecosystem of technology partners. It fosters a pragmatic, globally distributed engineering environment with an inclusive and collaborative culture.

Poland

  • Own and deliver quarterly goals for your team, guiding engineers through ambiguity to solve open-ended problems.
  • Collaborate with product management, design, and analytics to articulate technical constraints and make risk-aware decisions.
  • Foster a culture of quality and ownership by setting code review and design standards, and developing talent through feedback and guidance.

Affirm is a financial technology company that provides buy now, pay later solutions, aiming to make credit more honest and friendly. It is a publicly traded company with a remote-first culture and a global team, emphasizing employee well-being and growth.

North America

  • Build and ship customer-facing products across web, desktop, and mobile.
  • Design, develop, and maintain backend services, APIs, and cloud infrastructure.
  • Take ownership of high-leverage problems and collaborate across a small engineering team.

This company operates an ambitious AI research and product environment spanning web, desktop, mobile, backend, and AI systems. It is a small, collaborative engineering team that values autonomy, technical excellence, and low-ego collaboration.

US

  • Architect and own backend services and data pipelines for map validation and simulation.
  • Provide technical leadership for web-based annotation tooling including cuboid editing and review workflows.
  • Drive technical design and architecture decisions across map validation and annotation platform domains.

Torc is a leader in autonomous driving, developing software for automated trucks to transform freight movement. The company is part of the Daimler family and fosters a collaborative, energetic, and team-focused culture.

$199,750–$235,000/yr
US

  • Design, build, and operate event-driven services for real-time pentest data processing.
  • Solve distributed systems challenges at scale, including data migration and batch-to-streaming conversion.
  • Set high standards for operational excellence with SLOs, instrumentation, and on-call.

Horizon3 is a remote cybersecurity company that enables organizations to find, fix, and verify exploitable attack vectors using its NodeZero autonomous pentesting platform. The company is a fusion of former US Special Operations cyber operators and engineers, fostering a culture of respect, collaboration, and ownership.

US

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
  • Support peers and stakeholders in the product development lifecycle by collaborating with product management, design, and analytics.
  • Foster a culture of quality and ownership by setting code review and design standards, and developing talent on your team.

Affirm is a financial services company that provides buy now, pay later financing without hidden fees or compounding interest. They have millions of customers and thousands of merchant partners, and foster a culture of honesty, trust, and innovation.