Software Engineer

FX Digital; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

A specialist Connected TV agency in London seeks a Software Engineer to create engaging user experiences for large screens. Your role involves engineering responsive applications, collaborating with product and design teams, and delivering high-quality code. Ideal candidates will be proficient in JavaScript and familiar with web technologies, APIs, and version control, with a focus on continuous improvement and mentorship. This full-time position is office-based with a flexible work arrangement.

Benefits

MacBook Pro on first day

Annual profit share

Pension contributions

35 days of annual leave

Monthly mental health coaching

Health Insurance discounts

Cycle-to-work scheme

Flexible start time

Employee referral scheme

Regular growth appraisals

Dedicated training time

Qualifications

• Strong understanding of readability, maintainability, and modularity in coding.
• Proficient in JavaScript, including Vanilla JS and TypeScript.
• Solid experience in HTML, CSS, and integrating RESTful APIs.
• Familiarity with Git and debugging tools.

Responsibilities

• Engineer and develop responsive user experiences for connected devices.
• Build creative solutions for Connected TV and smart devices.
• Collaborate with product, design, and QA teams for efficient workflows.
• Develop maintainable code through continuous delivery practices.

Skills

Core coding principles

JavaScript (Vanilla JS, TypeScript)

HTML and CSS

RESTful APIs

Git version control

Communication and collaboration

Mentoring junior members

Education

Bachelor's degree in Computer Science or related field

Job description

Role

FX Digital is a specialist Connected TV agency, providing a wide range of services, including Product Strategy, Design, Engineering, and Test Automation. We partner with global streaming brands such as Discovery+, BritBox, ATP Media, ITV, and Dyn.

As a Software Engineer at FX Digital, you play a pivotal role in delivering Connected TV and living room experiences that reach hundreds of thousands of users.

With your experience in application development and web technologies, you will deliver engaging user experiences for large screen devices.

You are passionate about quality, continuously learning new technologies, and improving team processes. Collaborating effectively with the team, you contribute to both the technical and creative aspects of projects.

Key Responsibilities

• Engineer and develop responsive, fluid, and data driven user experiences for mobile and large screen devices
• Build solutions for Connected TV, mobile and interactivity across smart devices, bringing creative concepts to life
• Contribute to product development initiatives that reach hundreds of thousands of users
• Collaborate with product, design, and QA to understand customer needs and structure work for efficient delivery
• Develop optimised, reliable, and maintainable code through the team’s continuous delivery practices
• Contribute to the team’s agile routines
• Continuously improve your craft learning from others, and support those around you

Requirements

• Strong understanding of core coding principles: readability, maintainability, and modularity
• Proficient in JavaScript (including Vanilla JS, TypeScript)
• Solid experience with HTML, CSS, and integrating RESTful APIs
• Familiarity with Git version control and workflows
• Experience with debugging tools and best practices in testing and documentation
• Excellent communication and collaboration skills
• Ability to mentor junior team members and manage multiple tasks effectively

Desirable Skills

• Bachelor’s degree in Computer Science, Mathematics, or a related field (or equivalent experience)
• Experience with WebGL, RxJS, and stream-based programming
• Experience in one or more native and cross-platform development environments Android/Google TV/Kotlin, or iOS/tvOS, React Native

Why work at FX?

• MacBook Pro on your first day at FX
• Annual profit share distributed equally across all roles and departments
• Pension contributions with Nest pensions
• Generous 35 days of annual leave, including bank holidays and Christmas office shutdown
• Monthly one‑on‑one Sanctus mental health coaching session
• Optional Vitality Health Insurance with discounted Apple Watch, cinema tickets, and Amazon Prime
• Cycle‑to‑work scheme with up to 47% savings on a new bike
• Flexi start time between 9am and 10am
• Employee referral scheme
• Regular appraisals for feedback and growth
• Weekly dedicated training time for personal development
• Collaborate with prestigious global brands in media, sports, and entertainment
• We take great pride in our culture of acceptance, diversity and inclusion
• Complete regular surveys to provide anonymous feedback on the business, leadership team and your role to ensure that we are doing everything we can to keep improving and making FX a great place to work
• Join us at our monthly Show and Tell, where team members update us on what they’ve been working on
• Get nominated for the monthly FX Factor by your peers and get recognised for your contribution to the business.
• Get a chance to earn a £20 voucher for high project NPS scores

This is a full‑time role based out of our office in Old Street, London. We can only consider applicants who are able to work 3 days per week from the office.

If you’re passionate about this role and believe you can add value, we encourage you to apply, even if your background doesn’t match the job description exactly.