Apprentice Junior Web Developer Jobs in California

Informa Markets, a division within Informa, creates global platforms for industries. We organise over 500 large-scale branded and transaction-oriented events in 14 specialist markets. These are typically not-to-be-missed annual events where buyers and sellers build relationships, see and show products and do business.

We also provide year-round online platforms where companies showcase their businesses and products and buyers conduct research, generating valuable leads, and we provide data and digital content that supports the flow of knowledge and transactions in markets.

This role can be based in our San Francisco, CA or Los Angeles, CA office.

Informa’s Aviation group, Aviation Week Network, is actively seeking a highly skilled Senior Web Developer with extensive experience and proficiency in React and Node.js. 

Role Accountability and Duties:

• Design and develop robust, scalable, and maintainable web applications using JavaScript and modern frameworks, specifically React and Node.js
• Collaborate with product managers, designers, and other stakeholders to define project requirements and deliver high-quality software solutions
• Write clean, efficient, and well-documented code following industry best practices
• Optimize application performance, ensuring fast load times and smooth user experiences
• Implement and maintain API integrations with third-party services and internal systems
• Troubleshoot and resolve issues in a timely manner, ensuring minimal disruption to the end users
• Participate in code reviews, providing constructive feedback to peers and ensuring adherence to coding standards
• Stay updated with the latest industry trends and emerging technologies and incorporate them into your work as appropriate.
• Mentor and guide junior developers, fostering a collaborative and innovative team environment.
• Perform additional tasks as required.

• BS/BA, preferably in Computer Science or other technical, analysis, or mathematics subject area (will consider experience in lieu of a degree for highly qualified applicants) preferred.
• 8+ years of experience in software development, with a strong focus on React and Node.js
• Proven experience building and maintaining large-scale web applications
• In-depth knowledge of JavaScript, HTML5, CSS3, and modern front-end frameworks
• Experience with RESTful APIs, JSON, and integrating front-end interfaces with backend services
• Strong understanding of version control systems, particularly Git
• Experience working in an Agile, fast-paced development environment
• Experience identifying and understanding organizational and user requirements and specifications and translating those into quality code
• Ability to interact professionally and effectively with other team members and customers (technical and non-technical)
• Must be able to think creatively and analyze/solve difficult problems with logic and tenacity
• A demonstrated ability to work independently on complex tasks with little direction, supervision, or management oversight
• Proficiency in cloud platforms such as AWS, Azure, or Google Cloud
• Strong understanding of database management systems, including MongoDB, MySQL, or PostgreSQL
• Extensive experience with CI/CD pipelines and DevOps practices
• Expertise in microservices architecture
• Advanced skills in Python programming
• Solid experience with PHP development

We believe that great things happen when people connect face-to-face. That's why we work in-person with each other, or with customers and partners, three days a week or more. When you’re not spending time together in one of our offices or other workplaces – like at an Informa event – you get the flexibility and support to work from home or remotely.

We work hard to make sure Life at Informa is rewarding, supportive and enjoyable for everyone. Here’s some of what you can expect when you join us. But don’t just take our word for it – see what our colleagues have to say at LifeAt.Informa.com

Our benefits include:

• Great community: a welcoming culture with in-person and online social events, our fantastic Walk the World charity day and active colleague groups and networks promoting a positive, supportive, and collaborative work environment
• Broader impact: take up to four days per year to volunteer, with charity match funding available too
• Career opportunity: the opportunity to develop your career with bespoke training and learning, mentoring platforms and on-demand access to thousands of courses on LinkedIn Learning. When it’s time for the next step, we encourage and support internal job moves
• Time out: 15 days PTO rising to 20 after three years and 25 after six years, plus 10 national holidays, a birthday leave day and the chance to work from (almost!) anywhere for up to four weeks a year
• Competitive benefits, including a 401k match, health, vision and dental insurance, parental leave and an ESPP offering company shares at a minimum 15% discount
• Strong wellbeing support through EAP assistance, mental health first aiders, free access to a wellness app and more
• Recognition for great work, with global awards and kudos programs
• As an international company, the chance to collaborate with teams around the world

The salary range for this role is $150K- $170K/YR, based on experience. 

This posting will expire on July 31, 2026.

We’re not solely focused on a checklist of skills. We champion energy and ambition and look for colleagues who will roll their sleeves up, join in and help make things happen. If it sounds like a match and you have most – although not all – of the skills and experience listed, we welcome your application.

If you would like to request reasonable adjustments or accommodations to assist your participation in the hiring process and, or in the advertised position, please inform the appropriate Talent Acquisition Partner for the role once they have been in touch. Your request will be reviewed and considered in confidence. At Informa, you'll find inclusive experiences and environments where all perspectives and backgrounds are welcomed. As part of this approach and our diversity and inclusion commitments, we are also formally an Equal Opportunities Employer. This means we base decisions on relevant qualifications and merit and do not discriminate on the basis of key characteristics and statuses, including all of those protected by law. Ask us or see our website for full information.

See how Informa handles your personal data when you apply for a job here.