Staff Software Developer - LTX

Lightricks; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading AI technology firm in London is seeking experienced developers to join their team. You will be involved in developing innovative web products utilizing generative AI technology. The role includes building end-to-end features, collaborating with teams, and mentoring junior developers. Ideal candidates will have over 8 years of frontend experience and a strong command of JavaScript and TypeScript. This position offers a hybrid working environment and a range of competitive benefits.

Benefits

Stock Options

Private Medical Insurance

Life Assurance

Transport Allowance

Wellbeing & Professional Development Allowance

Free on-site lunches

Pension Contributions

25 days holiday

Flexible working

Cool office space in central London

Enhanced Parental Leave

Cycle-to-work Scheme

Season Ticket Loan

Volunteering Opportunities

Social activities

Qualifications

• 8+ years of experience in frontend development including frameworks.
• Experience with production-grade backend systems.
• Deep knowledge of JavaScript and its internals.

Responsibilities

• Develop end-to-end features from UI to backend.
• Contribute to designs and problem solving.
• Mentor junior developers.

Skills

Frontend frameworks (React, Angular, Vue)

JavaScript

TypeScript

Computer Science fundamentals

Backend systems

Generative AI understanding

Image processing knowledge

Job description

Who we are

Lightricks, an AI-first company, is revolutionizing how visual content is created. With a mission to bridge the gap between imagination and creation, Lightricks is dedicated to bringing cutting‑edge technology to the creative and business spaces.

Our advanced AI photo and video generation models, including our open‑source LTXV model, power our apps and platforms including Facetune, Photoleap, Videoleap, and LTX Studio, allowing creators and brands to leverage the latest research breakthroughs, offering endless control over their creative potential. Our influencer marketing platform, Popular Pays, provides creators the ability to monetize their work and offers brands opportunities to scale their content through tailored creator partnerships.

We are looking for experienced developers to join our team. People who are passionate about creating amazing web products. People who care about code quality and know how to balance it with simplicity, productivity and product goals. If you are passionate about web development, shipping code fast and making a real impact on the business then we’re looking for you!

What you will be doing

You will be part of LTX Studio team. Our team is developing a revolutionary video creation platform built from the ground up with bleeding edge generative AI technology. Each member of our team is responsible for every aspect of our product, from software design to coding, testing, code reviews and automatic deployment to production. We are lean, agile and pragmatic. We practice software engineering best practices and we care about creating beautiful and performant web applications. Most importantly we are passionate engineers who love to build amazing products with technology that feels nothing short of magical.

Your day‑to‑day job will involve:

• Develop end‑to‑end features, from UI components and widgets to backend architecture, with a deep understanding of the generative AI powering and constraining them
• Contribute to brainstorming sessions on feature design, architectural improvements, and problem‑solving across the stack
• Write and review code, taking a hands‑on approach to implementing new features with high quality and scalability
• Integrate seamlessly with both internal systems and third‑party APIs, ensuring robust and maintainable connections
• Write clean, maintainable, and testable code, while setting a high standard for engineering best practices
• Mentor junior developers and help foster their growth into strong, independent contributors
• Collaborate closely with design, product, and marketing teams to build elegant, user‑friendly web interfaces that create meaningful business impact

Your skills and experience

• 8+ years of experience in the front end realm, which includes experience with at least one front end framework such as: React, Angular, Vue, etc.
• Experience working on production grade backend systems, including understanding of queueing systems, databases, containers and deployment frameworks.
• Deep knowledge and mastery of JavaScript, TypeScript and its internals.
• Deep knowledge of computer science including (but not limited to): Operating Systems, Algorithms, Concurrency and Data Structures.
• Experienced writing maintainable production grade code.
• Understanding of Generative AI and Machine Learning- a bonus
• Understanding of image processing- a bonus

Benefits

• Stock Options.
• Private Medical Insurance (Optical & Dental cover) including your loved ones.
• Life Assurance.
• £3,000p/a Transport Allowance.
• £750p/a allowance for Wellbeing & Professional Development.
• Free on‑site lunches, coffee, breakfast & snacks.
• Pension Contributions (7%).
• Holiday (25 days).
• Seasonal & Anniversary Vouchers.
• Hybrid & Flexible working.
• Cool office space in central London.
• Enhanced Parental Leave.
• Cycle‑to‑work Scheme.
• Season Ticket Loan.
• Volunteering Opportunities.
• Frequent social activities - away-days, happy hours, team building, yoga, creative workshops.

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