Source Job

$160,000–$200,000/yr
US 6w PTO

  • Own feature development from concept through delivery, including backend architecture, frontend implementation, testing, and production release.
  • Design, build, and maintain web and mobile application capabilities that support business and customer needs.
  • Collaborate with product, engineering, and business teams to define requirements and resolve technical challenges.

Ruby On Rails JavaScript React SQL Git

20 jobs similar to Senior Developer US Security & IT

Jobs ranked by similarity.

$80,000–$95,000/yr
USA

  • Drive impact across the full enterprise platform as a full-stack web application engineer, taking ownership of the complete application lifecycle from idea generation to deployment.
  • Write code, debug, and perform unit testing in all application layers using Ruby on Rails and modern frontend frameworks like React or Angular.
  • Participate in code reviews and assist in full software lifecycle activities including planning, requirement analysis, design, and quality assurance.

RoadRunner accelerates the road to Zero Waste by providing efficient, scalable, and sustainable waste operations using technology and data-driven strategies. Founded in 2014, the company has helped thousands of customer locations nationwide and has been recognized for its culture and sustainability, with a team of over 14,000 LinkedIn followers and positive employee reviews.

US Unlimited PTO

  • Implement, test and maintain new user-facing functionality on our eCommerce platform.
  • Build scalable backend services and APIs that power our web applications.
  • Partner with other senior engineers to contribute to high-level decisions about architecture and design.

Jane Technologies is an MIT-founded eCommerce company in the cannabis industry experiencing rapid growth. We are a small close-knit team of highly technical engineers with diverse backgrounds.

India

  • Develop clean, secure, and efficient Ruby on Rails code for production-grade applications.
  • Collaborate with stakeholders, designers, and QA to gather requirements and deliver robust solutions.
  • Optimize applications for scalability and performance with full lifecycle involvement.

Jobgether is a platform that uses AI-powered matching to connect candidates with hiring companies. They focus on objective and fair candidate review, serving a range of clients from startups to enterprises.

North America

  • Work with product, UX, and fellow developers to gain a deep understanding of customer problems and lead development of features to solve those problems.
  • Hold a high bar of personal technical excellence, demonstrated through high quality, thoroughly tested, and exemplary code contributions and reviews.
  • Contribute to our culture of "you build it, you own it" by identifying tech debt and opportunities to improve technical architecture.

OpsLevel is the leading internal developer portal designed to help engineering teams build, ship, and maintain software better. They are a fully-remote team of individuals who care deeply about developer experience, with members across North America and a strong emphasis on culture and values.

$150,000–$185,000/yr
US Unlimited PTO

  • Architect and scale full-stack services using Ruby on Rails and React, ensuring reliability in challenging environments.
  • Own database engineering with PostgreSQL, including schema migrations, query optimization, and performance tuning.
  • Modernize infrastructure with Docker, Kubernetes, and Terraform, and drive system security with zero trust models.

Founded in 2019, Reveal is a startup delivering software tools and intelligence for field operations in remote and extreme environments, focusing on defense and public safety. They are a dynamic team scaling to meet the demands of modern warfare and national security.

Canada Unlimited PTO

  • Design, develop, test, and maintain internal integrations, tools, and solutions to enhance efficiency across Fullscript’s technical stack.
  • Build scalable applications, APIs, and integrations to support business growth and streamline operations.
  • Take ownership of features from planning to deployment, mentor peers, and advocate for high-quality, maintainable code.

Fullscript is a health technology company that powers a platform for practitioners to access supplements and tools for patient care. With over 125,000 practitioners and 10 million patients, the company fosters a collaborative, people-first culture focused on impact.

US Unlimited PTO

  • Design, build, and test APIs and services that power RoadieXD, Roadie's cross-dock solution.
  • Develop internal and customer-facing tools in React to enable cross-dock operations to scale efficiently.
  • Partner with Engineering, Product, and Operations to solve complex logistics challenges and influence technical direction.

Roadie is a logistics and delivery platform that helps businesses manage complex retail delivery needs. A UPS company with over 310,000 independent drivers nationwide, it focuses on scalability and flexibility in a fast-paced environment.

US Canada Mexico 4w PTO 16w maternity 4w paternity

  • Design and implement features for the Marketplace, including shop integrations and Fleetio Pay.
  • Collaborate with Product Managers, Designers, and Engineers to deliver scalable, high-quality software.
  • Write maintainable, well-tested code and participate in code reviews to ensure quality and consistency.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. We raised $450M in Series D funding in March 2025 and are a proud founding member of the Rails Foundation, with a fast-paced, collaborative culture.

$124,800–$183,400/yr
US

  • Lead full stack architecture and system design, owning backend and frontend execution across consumer-facing features.
  • Optimize systems for performance, reliability, and cost, treating production health as a first-class priority.
  • Coordinate cross-functional delivery and set engineering standards as the team's technical anchor.

GOAT Group operates leading platforms for authentic sneakers, apparel and accessories, including GOAT, Flight Club, Grailed and alias. With a global community of over 60 million members across 170 countries, the company is backed by top venture capital firms and emphasizes a dynamic, collaborative engineering culture.

United States

  • Own end-to-end feature development, shipping production-ready full stack applications with clean, scalable code.
  • Collaborate cross-functionally with product, design, and engineering teams to define and execute technical solutions.
  • Contribute to system architecture and technical decision-making across frontend, backend, APIs, and databases.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly and fairly. They support hiring for various companies and manage initial candidate screening.

Architect

Onit
$155,900–$216,000/yr
US Unlimited PTO

  • Define and evolve system architecture for scalability, performance, and resiliency.
  • Lead design reviews and technical governance for major initiatives.
  • Drive adoption of modern architectural patterns like microservices and event-driven systems.

Onit is redefining legal operations with an AI-powered platform that streamlines enterprise legal management and contract processes. The company fosters a culture of innovation and growth, seeking bold thinkers to shape the next chapter of legal tech.

US Unlimited PTO

  • Spearhead design, development, and maintenance of front-end and back-end applications using Ruby on Rails and Python FastAPI.
  • Regularly deploy via Infrastructure as Code with Terraform and own the full SDLC from ideation to monitoring.
  • Create comprehensive tests, lead code reviews, mentor junior engineers, and stay current with industry trends.

Bluesight creates groundbreaking solutions that increase efficiency, safety and visibility for health systems, hospital pharmacy, and pharmaceutical manufacturers. We empower customers to deliver the right medicine to the right patient at the right time, and we are a high-growth healthcare IT company with a startup vibe and over 3,000 customers.

US

  • Build self-service flows that reduce Customer Support load (e.g., account recovery, cancellation) and reduce friction across support tools.
  • Build and enhance identity-related functionality: authentication, session management, and user data protection.
  • Implement projects with attention to quality, maintainability, performance, scale, and observability.

Scribd is a digital library and e-book subscription service with 200 million monthly visitors and over 2 million active subscribers. They have a remote-first culture and emphasize engineering excellence with AI tools integration.

$81,000–$135,000/yr
Netherlands 4w PTO

  • Build and scale high-performance backend systems using Ruby on Rails and modern technologies.
  • Collaborate with product managers and cross-functional teams to deliver impactful features.
  • Influence architecture, technical strategy, and engineering practices in a fully remote environment.

Our partner company builds and scales AI-powered products used by millions worldwide. It is a fast-growing technology environment with a fully remote, autonomous culture focused on speed, quality, and continuous innovation.

$145,000–$160,000/yr
United States Unlimited PTO

  • Develops complex, high-quality features and mentors teammates to improve software development practices.
  • Designs and optimizes large-scale systems with a focus on scalability, performance, and fault tolerance.
  • Champions technical strategy, drives continuous improvement, and leads small to medium-sized projects.

SRS Acquiom delivers a platform and services to help deal parties manage complex M&A and loan agency transactions more efficiently. Since 2007, the company has supported more than 11,500 transactions globally and fosters a culture of entrepreneurial energy, growth, and innovation.

US Unlimited PTO

  • Build and ship features that drive measurable outcomes for customers and servicing agents.
  • Employ best practices like code reviews, automated testing, and continuous delivery for quality and speed.
  • Collaborate cross-functionally with product managers, backend engineers, and operations leads to shape end-to-end experiences.

OnePay is a consumer fintech platform that brings together banking, savings, credit cards, lending, investing, and crypto. Backed by Walmart and Ribbit Capital, they are a high-growth company with a fast-paced, mission-driven culture.

$44,450–$63,500/yr
UK 6w PTO

  • Build and improve real, user-facing features alongside senior engineers and tech associates
  • Write clean, readable, well-tested code, learning our standards and patterns as you go
  • Take small tasks and slices of work from start to finish, raising blockers early

Healios digitises clinical pathways to provide neurodevelopmental and mental health services to children and families. They are a remote-first organisation that embraces diversity and values integrity, listening, and courage.

$187,000–$271,920/yr
US

  • Design, build, and ship full-stack growth experiments end-to-end.
  • Improve key metrics across acquisition, activation, engagement, and monetization.
  • Collaborate daily with product managers, designers, and analysts, analyzing experiment results to iterate quickly.

Calendly provides a scheduling automation platform relied on by millions. The company fosters a culture of ownership, curiosity, and collaboration, with a focus on high-impact growth work.

US Canada Mexico 4w PTO 16w maternity 4w paternity

  • Collaborate with Product Managers, Designers, and Data Ops to research, plan, and build features that drive user adoption.
  • Create user experiences and run experiments to increase engagement from trial users.
  • Build systems for customized onboarding and improve feature areas to reduce churn.

Fleetio is a modern software platform that helps thousands of organizations worldwide manage their fleet operations. The company has raised $450M in Series D funding and is on an exciting trajectory with a strong engineering culture.

$110,000–$130,000/yr
US

  • Design, build, and maintain high-performing Rails and JavaScript applications that power core application features.
  • Provide hands-on development of data models, data load pipelines, and SQL scripts in MySQL and Snowflake.
  • Integrate AI-assisted programming tools into daily development workflows to optimize SQL queries and accelerate application development.

Privia Health is a technology-driven, national physician enablement company that collaborates with medical groups, health plans, and health systems to optimize physician practices. The company is led by top industry talent and consists of scalable operations and cloud-based technology, with a team of 7 developers in the remote Product Engineering department.