Senior Back-End Developer

Job summary

Develop and maintain proprietary systems, CMS, and internal applications to ensure optimal performance of public sites. Collaborate with multidisciplinary teams to define features and establish high code standards.

Job details

Location: Onsite - Montreal Valnet is seeking a highly experienced and driven Senior Backend Developer to join a multi-functional development team. The ideal candidate must possess excellent analytical and problem-solving skills and a desire to work in a fast-paced environment. This person will work closely with the development team and leaders to develop tools to support our various website projects. In this role you will be working primarily on Valnet’s proprietary systems and tools. Responsibilities: Responsible for new development and maintaining all public sites to optimal performance levels. Developing CMS and other internal applications features for Valnet multidisciplinary teams for their day to day operations. Play an active role in the analysis phase when defining the features with the functional analysts. Improving, maintaining and establishing code standards in cooperation with the rest of the team. Maintaining performance and core web vitals for the web pages Maintain strong knowledge about the latest web development standards and development tools. Technical requirements: 5+ years experience as a back-end developer. Development with AI assistants Strong knowledge of SQL (MySQL, ClickHouse) and PHP Strong knowledge of Javascript (TypeScript) Experience working with high traffic websites Experience with Core Web Vitals optimisation Experience with single page application and REST API/Ajax Strong knowledge of object-oriented programming. Strong knowledge of modularization and library development approach Technical assets: GIT(BitBucket), JIRA, VisualCode, Jenkins Shell Script (Bash). Knowledge of HTML5 and CSS3, SCSS. Vector Database LLM Prompting Good understanding of SEO practice / Google Analytics / Google page speed. Benefits: Full health insurance plan (including medical, dental, and vision). Daily on-site lunches, snacks, and coffee provided. Fitness subscription reimbursement program. Competitive compensation plan and bonus structure. Who we are: Valnet is a company unlike any other. Here, you’ll work alongside passionate, dedicated individuals who bring their best every day, creating an environment that is as inspiring as it is challenging. We are innovative leaders, not passive followers, always pushing the boundaries of what’s possible in our industry. We encourage autonomy and value creative contributions, empowering you to shape meaningful change from day one. Moreover, we don’t just talk about culture – we make it our first priority, fostering a collaborative, fast-paced environment where talent is recognized and rewarded. In our true meritocratic structure, your career can develop quickly, giving you the opportunity to grow professionally and be generously rewarded for your achievements. But don’t take our word for it, visit our corporate website to see for yourself!

What you’ll do

Develop and maintain proprietary systems, CMS, and internal applications to ensure optimal performance of public sites. Collaborate with multidisciplinary teams to define features and establish high code standards.

Requirements

Requires over 5 years of back-end development experience with strong proficiency in PHP, SQL, and TypeScript. Candidates should have experience with high-traffic websites, Core Web Vitals optimization, and AI-assisted development.

Benefits

• Full health insurance plan • Medical insurance • Dental insurance • Vision insurance • Daily on-site lunches • Snacks • Coffee • Fitness subscription reimbursement program • Competitive compensation plan • Bonus structure

Listed skills

• MySQL · Preferred
• SQL · Preferred
• PHP · Preferred
• JavaScript · Preferred
• TypeScript · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• PHP
• SQL
• MySQL
• ClickHouse
• TypeScript
• JavaScript
• REST API
• Object-Oriented Programming
• Core Web Vitals
• Single Page Application
• AI Assistants
• Modularization
• Library Development
• SEO
• LLM Prompting
• Vector Database

Job areas

• Software
• Technology
• Engineering
• Data & Analytics