Source Job

US

  • Design, develop, and maintain front-end and back-end components of web applications using PHP and modern frameworks.
  • Translate designs and product concepts into clean, production-ready code while modernizing legacy systems.
  • Collaborate across engineering and QA teams, manage multiple priorities, and clearly communicate technical issues to non-technical stakeholders.

PHP Symfony Laravel Vue AWS

17 jobs similar to Senior Software Engineer US Security & IT – IT

Jobs ranked by similarity.

Canada 4w PTO

  • Build and architect full-stack systems (Vue.js, PHP/Laravel) to power the digital healthcare ecosystem.
  • Improve platform reliability through rigorous testing, observability, and system optimization.
  • Mentor junior team members and collaborate cross-functionally with product and design teams.

Felix is a digital healthcare company that puts patients in control of their health, providing Canada's first end-to-end online healthcare experience. Founded in 2019, they are an early-stage technology company with a collaborative, high-performing team and a remote-first culture.

$125,000–$160,000/yr
Canada 4w PTO

  • Build back-end and front-end systems, including architectural patterns, technical specifications, and database management.
  • Write code and develop software to scale as Felix launches new products, enters new markets, and expands into new healthcare categories.
  • Improve platform reliability through rigorous testing, observability, and monitoring, while identifying areas for system optimization.

Felix is a digital healthcare company that puts patients in control of their health by providing online treatment, prescription delivery, and ongoing care. Founded in 2019, the company is Canada's first end-to-end healthcare experience and operates remotely with an office in Toronto, fostering a collaborative and high-performing team culture.

Global

  • Delivering product features with AI coding agents as your primary implementation loop, writing specs and context-rich tasks that carry architecture and team standards.
  • Reviewing and verifying agent-generated code with the same rigor you would apply to a colleague's, catching errors before production.
  • Taking full ownership of every feature end-to-end: clarifying requirements, owning quality and test coverage, and monitoring post-release.

airSlate is a global SaaS technology company that develops no-code workflow automation, electronic signature, and document management solutions. The company serves over hundreds of millions of users and more than one million customers worldwide, with a team across 20 countries and a culture focused on growth and innovation.

$120,000–$150,000/yr
Canada

  • Develop, maintain, and optimize RESTful API endpoints using Laravel (PHP) to ensure observability, testability, and performance.
  • Collaborate with product managers and designers to create intuitive user interfaces using Vue.js, implementing efficient state management and responsive components.
  • Leverage AWS services for secure and scalable deployments, including serverless microservices with Node.js on Lambda and CDN-based content delivery.

Knak is a world-class enterprise email and landing page creation platform that empowers marketers to be creative. The company is a small but rapidly growing team with a transparent, collaborative culture, recognized as one of Ottawa's Best Places to Work in 2025.

LATAM

  • Partner with product, exec leadership, design, sales, and marketing to build simple, effective solutions.
  • Champion AI development practices and mentor the engineering org to boost sprint velocity and code quality.
  • Build and run scalable systems with high security and work on evolving legacy architecture toward a modern stack.

South Geeks engages top Software Engineers, Security Experts, and Data Analysts from Latin America for global clients. For over 8 years, they've helped scale companies with a people-centered culture of innovation and collaboration.

Romania

  • Design, develop, and maintain high-quality backend systems using PHP and Symfony, owning features end-to-end.
  • Write clean, testable code with comprehensive automated test coverage and follow Test-Driven Development practices.
  • Mentor junior and mid-level engineers while collaborating closely with product, QA, and design teams across the full lifecycle.

Smart Working connects experienced professionals with long-term, full-time remote roles where engineering excellence matters. It is one of the highest-rated workplaces on Glassdoor, fostering a remote-first environment and a culture of mentorship and belonging.

$140,000–$160,000/yr
Canada 2000w PTO

  • Own feature delivery within the Connected Supplier domain while collaborating with Product, Design, and Engineering to translate business goals into technical solutions.
  • Contribute to system architecture and build high-quality, scalable software using technologies like React, PHP, Python, and cloud platforms such as AWS.
  • Mentor fellow engineers, manage technical risks, and proactively improve systems and development practices to enhance the team's effectiveness.

Our partner is building a category-defining vertical SaaS platform for the promotional products industry. They operate as a remote-first engineering team with a collaborative, people-focused culture.

$115,000–$135,000/yr
US

  • Scale an application as we onboard clients with tens of thousands of members
  • Develop and maintain user- and administrator-facing features in our existing stack
  • Build and maintain implementations for other websites, including embeds and third-party integrations

Supporting Cast is a podcast monetization platform that helps publishers and creators offer premium subscription content to listeners. The company is a small, fully remote team with a strong belief in the future of audio.

UK

  • Design and implement full-stack product features across backend services and frontend interfaces, ensuring strong performance, reliability, security, and maintainability.
  • Take ownership of features from requirements through deployment and production support, using AI coding assistants to accelerate development.
  • Collaborate closely with product managers and engineers in an agile, feedback-driven environment focused on continuous improvement.

The company builds a modern data intelligence platform that enables organizations to discover, govern, and trust their data. They are a remote-first team with an agile, collaborative culture focused on continuous improvement and innovation.

France 5w PTO

  • Improve plugin architecture and guide AI agents in building maintainable structures across six e-commerce platforms.
  • Enforce code quality standards, lead reviews, and mentor intermediate engineers to elevate the team's technical skills.
  • Drive cross-platform consistency and continuous improvement to simplify and accelerate delivery.

Alma provides installment and deferred payment solutions that help merchants boost sales and improve customer loyalty. With over 380 employees and strong growth across Europe, they foster a culture of innovation and collaboration.

$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.

$80,000–$100,000/yr
US

  • Design, develop, test, and implement software solutions aligned with client requirements.
  • Optimize existing systems for performance, scalability, and maintainability.
  • Collaborate with cross-functional teams and participate in Agile methodologies.

Agile Defense provides adaptive innovation to support national security missions through advanced technologies. The company values employees as family and fosters a culture of the 6Hs: Happy, Helpful, Honest, Humble, Hungry, and Hustle.

$133,000–$192,000/yr
US 12w maternity 12w paternity

  • Build, test, and deploy software in a continuous manner.
  • Work with PMs and Product Designers to participate in product and design reviews.
  • Mentor and sponsor teammates to help them grow.

Pilot provides small businesses with dedicated finance experts and bookkeeping, tax, and financial management services. With over 3,000 customers and $170M in funding, they value employee development and happiness.

$107,500–$147,500/yr
US Unlimited PTO 24w maternity 24w paternity

  • Build scalable front-end and back-end services and solve distributed systems problems.
  • Collaborate with engineers and product managers in code reviews and architectural discussions.
  • Leverage AI tools to enhance code quality, testing, and team efficiency.

Smartsheet is a cloud-based work management platform that helps teams plan, track, and automate their work. The company fosters a collaborative engineering culture focused on innovation and using AI to improve productivity.

US Unlimited PTO

  • Lead, coach, and develop an autonomous, high-performing engineering team.
  • Own the shipping and logistics domain end-to-end, including carrier integrations and rate shopping.
  • Champion practical AI adoption across planning, triage, and software development processes.

The company operates in the shipping and logistics domain, managing carrier integrations and related systems. The culture emphasizes autonomy, collaboration, and high engineering standards with a remote-first approach.

US

  • Design, develop, and maintain integrations between eCommerce platforms, ERP systems, and internal applications.
  • Support, enhance, and customize OroCommerce applications using PHP and Symfony across the full stack.
  • Monitor, troubleshoot, and maintain enterprise applications and integrations, performing root cause analysis and implementing long-term solutions.

Trissential is a technology consulting firm that provides enterprise solutions and integration services. Part of the global Expleo Group with presence in 29 countries, the company emphasizes a collaborative culture focused on precision, performance, and teamwork.

EMEA

  • Design and deliver reliable, scalable back-end systems for commerce solutions.
  • Take ownership of technical initiatives from design through execution.
  • Collaborate with product managers and cross-functional teams to translate business needs into technical solutions.

The company builds technology that powers commerce at scale. It is a fast-growing global engineering organization with a product-focused culture that encourages experimentation, knowledge sharing, and AI-assisted development.