Lead Ruby Developer jobs in London

G.R.E. Recruitment Limited

€75,000 - €75,000 /year

Requirements Must have: - Minimum 6 years Ruby development experience - Experience of developing REST APIs - Proficient in Ruby on Rails - Familiarity with PostgreSQL - Strong front-end skills, preferably in ReactJS (experience with Angular or VueJS acceptable) - Strong English speaking skills - Exp

Sword Group

Sword is a leading provider of business technology solutions within the Energy, Public and Finance Sectors, driving real transformation change within our clients. We use proven technology, specialist teams and domain expertise to build solid technical foundations across platforms, data and business

ably

Our everyday digital experiences are in the midst of a realtime revolution. Whether chatting alongside a livestreaming event, receiving realtime financial information, or working with colleagues in an online collaborative environment - consumers simply expect realtime digital experiences as standard

Senior Analyst Developer - AI Lead Business Area: Operations Place of Work: London Contract Type: Fixed Term Contract When you join USS, the size and scale of our pension scheme means you will have numerous opportunities to learn and develop your career. Given our size you'll have real autonomy and

Job Req Id 26958411 Location(s) London, England, United Kingdom Job Type Hybrid Posted May. 01, 2026 Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the o

Normal Computing Corporation

About Normal Computing | Incredible Opportunities The Normal Team builds foundational software and hardware that help move technology forward, supporting the semiconductor industry, critical AI infrastructure, and the broader systems that power our world. We work as one team across New York, San Fra

Citigroup

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engi

Technical Architect / Lead Developer Salary: circa £150-175k base, £250-300k TC Summary: This successful systematic investment manager is looking to hire a hands-on senior developer to be their technical lead. This exciting role will provide you with the opportunity to make a lasting impact on the f

Hydrogen Group

£80,000 - £120,000 /year

Lead Salesforce Developer / Solution Architect London, Liverpool or Glasgow Hybrid, 2 days / week onsite £80,000 - 120,000 (depending on location & level) Skills & Knowledge: Essential · Significant experience designing and delivering enterprise Salesforce solutions in complex, regulated env

Lloyds Banking Group

End Date Wednesday 06 May 2026 Salary Range £146,591 - £172,460 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary The purpose of the Engineering Lead is to work with the Lab Product Own

Client Server

£100,000 - £120,000 /year

C Developer / Technical Lead London / WFH to £120k Do you have expertise with C combined with team leadership and stakeholder management skills within a finance environment? You could be progressing your career in an impactful role at a global Fintech that has been consistently voted as one of the U

Vanguard Group, Inc.

Lead Developer - Real Time Investment Data Systems {"description": " The Role We are seeking a Lead Developer to work on the design and delivery of real-time and time-series data platforms within our investment management technology team. This role combines hands-on engineering with domain expertise

Jump IT Recruitment Solutions Limited

AI, Artificial Intelligence, Claude, Cursor, GitHub, ChatGPT, C#, .NET, React, Blazor, ASP.NET Core, API's, Azure, AWS This is a Senior/ Lead Developer role for a hands-on coder who is extremely comfortable at leveraging AI for: * Accelerating development processes * Critical reviews of AI-generated

Searchability NS&D

£75,000 - £90,000 /year

LEAD SOFTWARE DEVELOPER - SC CLEARED NEW PERMANENT OPPORTUNITY IN LONDON FOR A SECURITY CLEARED LEAD DEVELOPER Exciting new opportunity for a Lead Developer to work on UK Govt. projects SC Clearance required Based in London (Hybrid - 1 day per fortnight in the office) Salary up to £90,000 company be

Searchability NS&D

£80,000 - £95,000 /year

Lead Full Stack Java Developer - SC Cleared NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE Location: London (Hybrid) Salary: £80,000 - £95,000 per annum Clearance: Active SC Clearance required To apply: email The Company Join a specialist technology consul

Warner Bros. Discovery

Welcome to Warner Bros. Discovery… the stuff dreams are made of. Who We Are… When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brand

Job Title: KNX Lighting Programmer Location: Central London Contract: 6 Weeks - £500.00 per day Start Date: 11th May 2025 We are recruiting experienced KNX programmers to support delivery of large-scale Schneider Electric KNX lighting control systems on hospitality projects. The successful candidate

Job Description Scroll down to find an indepth overview of this job, and what is expected of candidates Make an application by clicking on the Apply button. Ruby Developer Inside IR35 Remote 3 months with scope to extend Active SC is advantageous We're looking for a Senior Developer with strong Ruby

TXP

Ruby Developer Inside IR35 Remote 3 months with scope to extend Active SC is advantageous We're looking for a Senior Developer with strong Ruby on Rails experience who can hit the ground running in a government environment. The ideal candidate will have a collaborative working style, be comfortable

Updated: Yesterday Location: London, LND, United Kingdom Job ID: 25107724-OTHLOC-3526-2DR Not ready to apply? Join our Talent Network Description Principal Statistical Programmer (US, CAD, UK only) Syneos Health® is a leading fully-integrated life sciences services organization built to accelerate c