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Junior Ruby On Rails Developer Jobs in Delacour, AB

Clio

Application Security Developer

Calgary, AB · Hybrid

CA$119K - CA$161K/yr

We are currently seeking an Application Security Engineer to join our rapidly growing Security team ... Experience with Ruby on Rails, Puppet, Kubernetes, Terraform, ELK (Elastic, Logtash and Kibana)

Fullscript

Staff, Security Engineer

Calgary, AB · Remote

Experience securing Ruby on Rails, Node.js, JavaScript, GraphQL, or similar application ecosystems ... Experience with vulnerability management, application security posture management, or developer ...

CIMA+

Director, Railway Engineering

Calgary, AB

The team draws on a reservoir of diverse experience that includes planning, design, inspection ... As the Director of Railway Engineering - Western Canada you will be instrumental in the expansion ...

CIMA+

Director, Railway Engineering

Calgary, AB

The team draws on a reservoir of diverse experience that includes planning, design, inspection ... As the Director of Railway Engineering - Western Canada you will be instrumental in the expansion ...

Clio

Software Development Manager

Calgary, AB · Hybrid

CA$180K - CA$270K/yr

We are currently seeking a Software Development Manager to join our Engineering team. This role is ... Experience with Ruby on Rails or Python This posting is for an existing vacancy. What you will find ...

Hatch

Rail Engineer, Senior

Calgary, AB · On-site

Positive attitude with desire to tackle the Rail Industry's toughest challenges. * Engineering ... on multiple projects simultaneously, mentoring or supervising Engineers-in-Training and junior ...

Hatch

Rail Engineer, Senior

Calgary, AB

Positive attitude with desire to tackle the Rail Industry's toughest challenges. * Engineering ... on multiple projects simultaneously, mentoring or supervising Engineers-in-Training and junior ...

Convverge

Junior Software Developer

Calgary, AB · On-site

What We Offer At Convverge, we build business-level applications on Microsoft Azure, SharePoint ... We work in small, empowered teams where junior developers are given meaningful opportunities to ...

Scotiabank Saddledome

Junior Developer

Calgary, AB

THE POSITION The Junior Developer will support the development, deployment, and ongoing maintenance ... Stay current on emerging AI technologies and AI-assisted software development practices. Technical ...

Targeted Talent

DevOps Engineer

Calgary, AB · On-site +1

You have hands-on experience with enterprise-grade infrastructures, operations and / or systems ... High proficiency in coding/scripting using Python/Go/Ruby/Shell/PowerShell languages * Experience ...

Targeted Talent

DevOps Engineer

Calgary, AB · On-site +1

You have hands-on experience with enterprise-grade infrastructures, operations and / or systems ... High proficiency in coding/scripting using Python/Go/Ruby/Shell/PowerShell languages * Experience ...

Targeted Talent

DevOps Engineer

Calgary, AB · On-site +1

You have hands-on experience with enterprise-grade infrastructures, operations and / or systems ... High proficiency in coding/scripting using Python/Go/Ruby/Shell/PowerShell languages * Experience ...

Targeted Talent

DevOps Engineer

Calgary, AB · On-site +1

You have hands-on experience with enterprise-grade infrastructures, operations and / or systems ... High proficiency in coding/scripting using Python/Go/Ruby/Shell/PowerShell languages * Experience ...

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Junior Ruby On Rails Developer information

What is a junior Ruby on Rails developer?

A Junior Ruby on Rails Developer is an entry-level software developer specializing in building web applications using the Ruby on Rails framework. They typically work under the guidance of senior developers, assisting in writing and maintaining code, debugging issues, and implementing new features. Juniors are expected to have a basic understanding of Ruby, Rails conventions, databases, and version control systems like Git. They often collaborate with teams to develop scalable and efficient applications while continuously learning industry best practices. This role serves as a foundation for advancing to more senior development positions.

What does a junior Ruby on Rails developer do?

As a Junior Ruby On Rails Developer, you'll generally spend your days building new features, fixing bugs, and writing tests under the guidance of more experienced engineers. You will regularly collaborate with other developers, product managers, and designers through pair programming, code reviews, and team meetings. Expect to dedicate a portion of your time to learning new best practices and tools, as ongoing education is key early in your career. The work environment is often collaborative and supportive, providing mentorship and feedback to help you grow your technical skills and confidence.

What are the key skills and qualifications needed to thrive as a junior Ruby on Rails developer?

To thrive as a Junior Ruby On Rails Developer, you should have a foundational knowledge of Ruby, Rails framework, web development principles, and basic database design, often supported by a relevant technical degree or coding bootcamp experience. Familiarity with version control systems like Git, testing frameworks such as RSpec, and cloud platforms is highly valued in entry-level roles. Strong problem-solving abilities, a willingness to learn, and effective communication skills help juniors contribute positively to their teams. These competencies empower developers to adapt quickly, collaborate efficiently, and deliver functional web applications in a fast-evolving tech environment.

Junior Ruby On Rails Developer jobs near you
Infographic showing various Junior Ruby On Rails Developer job openings in Delacour, AB as of September 2026, with employment types broken down into 84% Full Time, 3% Part Time, and 13% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution.

Staff Developer / Development Manager, Application Security

Calgary, AB • On-site

atVenu
Software Development • 11 - 50 employees
Learn more about atVenuexternal

Full-time

Re-posted 22 days ago

Job description

Staff Developer / Development Manager, Application Security
Reports To: Director of Development, Architecture
Location: Calgary or Remote
About the Job:
When this company started, it was just a few of us furiously working to find product-market fit, and as with many startups, technical debt accumulated. Ten years later, we've found that market fit. We're revenue positive, our customers love us, and with that growth has come new responsibility.
PCI Level 1 became a requirement to do business, and we've achieved SOC 2 compliance — certifications we must maintain, along with our reputation and our commitment to our customers. While we have achieved a higher profile, an explosion of new penetration tools and techniques have emerged; we can no longer fly under the radar.
While we work hard to improve our security, those efforts must be balanced against business and customer needs. We need people who can identify security concerns, prioritize them, and build solutions — all while understanding the ripple effects those changes will have across the business. While establishing a solid security posture, we want to proactively find and remediate issues before they are discovered for us and create a security-first SDLC within the company.
Our Tech Stack:
  • Front End: React Native, React, JavaScript
  • Backend: Ruby on Rails, GraphQL, PostgreSQL, Redis, CouchDB
  • Cloud Platform: AWS
  • Tools: GitHub, Sidekiq, Docker
What You’ll Do:
Security at atVenu spans the codebase, the compliance program, and the team culture. You'll be part of all of it.
  • Application security program leadership: Define the roadmap, own application security risks, and make the case to engineering and executive leadership for what gets resourced and when. You know when to accept calculated risk and when to hold the line — your decisions are pragmatic and reflect thought towards the needs of our business, our customers and compliance.
  • Team management: Hire, develop, and retain application security developers. Set technical direction, run code and architecture reviews, unblock your team, and build a security culture that scales across a fast-moving engineering organization without becoming a bottleneck.
  • PCI, GDPR, and SOC2 ownership within the SDLC: Maintain and reduce cardholder data environment (CDE) scope across our Rails API, GraphQL layer, PostgreSQL, and mobile POS app. Own the SOC2 and PCI DSS controls within our software development lifecycle.
  • Offline payment security: Our React Native POS runs without connectivity during events and syncs payment data on reconnect. You'll direct the audit and hardening of encryption, key management, and CouchDB sync pipeline — a non-trivial challenge when card data lives on-device before it reaches our Rails API.
  • Release security reviews: Ensure GraphQL API changes are reviewed for injection risks, IDOR vulnerabilities, and over-exposed tenant data before they reach 500+ venues. Own the SAST/DAST integration in our GitHub CI pipeline and set the bar for what ships.
  • Vulnerability and CVE triage: Lead risk-ranked remediation across our Rails/Redis/PostgreSQL/CouchDB stack. Live events don't pause for maintenance windows — your team needs a clear, fast process for deciding what gets patched and when.
  • Threat modelling and architecture review: Embed threat modelling into product development for new features — mobile ordering flows, vendor integrations, new hardware platforms. Your team challenges assumptions before code ships.
  • Incident response: Be one of the application-layer authorities when something goes wrong at an event. Lead forensics, remediation, and post-mortems in collaboration with Engineering and Compliance.
What You’ll Bring:
  • 8+ years of development experience with at least 3 years in security-focused roles or responsibilities, plus demonstrated people management experience.
  • Experience building or maturing an application security program — roadmap ownership, risk prioritization, and cross-functional alignment with Engineering, Compliance, and Product.
  • Strong Ruby on Rails and React/React Native skills — you write and review production code, not just run scanners, and you've earned the kind of technical credibility that makes engineers actually listen when you make a point. Devs want to learn from you!
  • Proven ability to communicate security risk to both technical and non-technical audiences and get organizational buy-in without resorting to fear or alarmism.
  • Hands-on AWS security experience: IAM, VPC, secrets management, CloudTrail/GuardDuty.
  • Deep knowledge of OWASP Top 10 (web and mobile), API security patterns, and common authentication/authorization flaws.
Nice to Have:
  • Experience and interest with AI tooling; you know when to use it and when to go old school.
  • Experience in the payment, retail and e-commerce space.
  • Experience with PCI, GDPR and/or SOC2 compliance in a production SaaS environment; deep knowledge of compliance and privacy management across North America and Europe.
Equal Opportunity Employer
atVenu is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, national origin, protected veteran status, age, disability, or any other protected status. 

Disclaimer
The job description above is intended to set forth the general nature of the work that will be expected of the person who takes on this role. The job description is not, however, meant to be construed as an exhaustive list of all the duties and responsibilities required for this role. From time to time, all colleagues may be required to perform duties outside their normal responsibilities as needed, and the priorities within each role evolve over time based on the needs of the business. 

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