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Full Stack Software Developer Contract Jobs in London, ON

Proton

Senior Foundation Engineer (Drive)

London, ON

... Stack and Tools: * Languages we see daily is C#, TypeScript and Rust. We also need to provide ... Then we will do second generation in Rust with lessons learned and include full support of all ...

Parsons

Civil Engineering Technologist - MTO

London, ON · Hybrid

CA$26.44 - CA$50.48/hr

... your full potential. Unleash your talent and redefine what's possible. Overview: The Highway ... Advance knowledge of relevant software, such as AutoCAD, OpenRoads Designer, Microstation, and ...

ALS

Mining Process Engineer

London, ON · Hybrid

CA$115K - CA$135K/yr

Working across the full control stack, from field instrumentation and PLCs to SCADA, advanced process control (APC), and data historian systems. This role combines hands-on programming with real ...

Lush, Inc.

Backend QA Engineer

London, ON · Hybrid

Contract: 6-month fixed-term contract Diversity matters We are building a brand that represents the ... Experienced: 2+ years of dedicated software testing experience with a strong focus on backend ...

Proton

Senior Front End Engineer (Docs)

London, ON

... Stack and Tools: JavaScript, TypeScript, React, ES6, Playwright, Jest, Grafana All Standard Notes ... Strong understanding of software engineering best practices, such as SOLID, Design Patterns, CI/CD

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All JobsFull Stack Software Developer Contract JobsFull Stack Software Developer Contract Jobs in London, ON

Full Stack Software Developer Contract information

See London, ON salary details

$34.5K

$99.8K

$153.2K

How much do full stack software developer contract jobs pay per year?

As of Aug 20, 2026, the average yearly pay for full stack software developer contract in London, ON is $99,806.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,979.00 and $118,685.00 per year, depending on experience, location, and employer.

What is a full stack software developer contract?

A Full Stack Software Developer Contract job is a temporary or project-based role where a developer is responsible for working on both the front-end and back-end of a software application. Contractors are typically hired for a set duration or until a project is completed and may work with multiple clients. They are expected to have expertise in various programming languages, frameworks, and databases to build and maintain complete web applications. This role often provides flexibility in work arrangements but requires strong problem-solving skills and adaptability to different tech stacks.

What are the key skills and qualifications needed to thrive as a full stack software developer contract?

A Full Stack Software Developer on contract needs proficiency in both front-end and back-end technologies, such as JavaScript frameworks, server-side languages, and databases, along with a solid understanding of software development principles. Familiarity with tools like Git, containerization platforms (e.g., Docker), CI/CD pipelines, and cloud services, as well as relevant certifications, is often expected. Excellent problem-solving abilities, adaptability, and strong communication skills are essential for efficiently collaborating in dynamic environments and managing multiple project requirements. These skills enable success in delivering high-quality, scalable solutions within set deadlines while meeting client or organizational needs.

What are some typical challenges faced by full stack software developers in contract roles?

Full Stack Software Developers working on contract often face the challenge of quickly adapting to new codebases and team workflows, as projects may vary widely between clients. They may need to work independently while also collaborating with in-house developers, designers, and project managers to align on technical and business requirements. Managing tight deadlines, prioritizing tasks, and learning unfamiliar technologies or systems on the fly are common aspects of the role. Adapting quickly and maintaining clear communication are key to ensuring successful project delivery and ongoing client satisfaction.

What are the most commonly searched types of Full Stack Software Developer jobs in London, ON?

The most popular types of Full Stack Software Developer jobs in London, ON are:

What are popular job titles related to Full Stack Software Developer Contract jobs in London, ON?

For Full Stack Software Developer Contract jobs in London, ON, the most frequently searched job titles are:

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The top searched job categories for Full Stack Software Developer Contract jobs in London, ON are:

Full Stack Software Developer Contract jobs near you

Platform ULL - Colo - Reliability

Squarepoint Capital

London, ON

CA$120K/yr

Full-time

Medical, Dental, Retirement

Re-posted 15 days ago

Job description

Position:  Colo LL Reliability Specialist  - Compute 

Business Area: Infrastructure 

Job Summary: 

Squarepoint is looking for a talented and highly motivated Ultra Low Latency Platform Engineer to provide solutions across Squarepoint's global colocation (COLOs) estate consisting of 400+ servers across 30 global sites. The candidate will be responsible for project delivery, support escalations, monitoring, automation, security, documentation, and capacity management for Squarepoint's low latency infrastructure. This will involve collaborating with our business partners, application owners, clients, vendors, and internal teams (SRE, Network, Application Support and Application Development, Quants, etc.) to deliver end to end solutions in a timely manner. 

  • Manage systems efficiently at scale through standardization, automation, testing, and in-depth monitoring
  • Enforce development standards for source control, testing, and continuous integration for infrastructure, OS, patches, and configuration management
  • Manage a distributed compute environment and multiple petabyte-scale storage systems
  • Install, manage, and monitor the Linux operating system (RHEL based)
  • Troubleshoot complex hardware and software issues throughout the Squarepoint technology stack
  • Create self-healing systems and automated recovery processes
  • Respond to system incidents and participate in on-call rotations
  • Conduct root cause analysis of incidents and outages
  • Reduce operational toil through the development of user-driven automated workflows
  • Work with business owners to regularly re-prioritize the book of work, while delivering both tactical and long-term objectives 

Required Qualifications: 

  • 5+ years of experienceworking with Linux (RHEL/CentOS/Rocky preferred) in a large complex or niche environment with the following areas of focus: operations, systems engineering and systems performance.
  • Server Management and Support: HP, SuperMicro, Dell, various overclock servers.
  • Experience with Low latency network interfaces and kernel bypass (configuration and optimization): Solarflare with onload, Mellanox with VMA.
  • Experience with build and configuration management tools, specifically Chef or Ansible.
  • Experience with observability tools, specifically Grafana and Prometheus.
  • Highly motivated and a keen eye for scripting and automation in Python, Ruby, and Bash.
  • In depth knowledge of server network stack configuration, tuning and troubleshooting including TCP, UDP(unicast/multicast), NTP, PTP, wireshark/tshark
  • Strong communication: verbal and written.
  • Critical thinking and problem-solving skills to tackle troubleshooting the unknown, glitches and the obscure.
  • Well-organized, proactive, resourceful, able to handle a fast-paced environment, question the status quo, accountable and possesses an ownership mindset.
  • Good understanding of trading venues such as Nasdaq, LSE, Euronext etc.
  • Degree in Engineering, Computer Science or related experience. 

The minimum base salary for this role is $120,000 if located in New York.  This expectation is based on available information at the time of posting.  This role may be eligible for discretionary bonuses, which could constitute a significant portion of total compensation.  This role may also be eligible for benefits, such as health, dental, and other wellness plans, as well as 401(k) contributions.  Successful candidates' compensation and benefits will be determined in consideration of various factors.

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