Senior Developer

Senior Software Engineer | Java | AI | London | £500-£600/day

About the Role

We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside IR35. This is a unique opportunity for a Senior Software Engineer to work at the cutting edge of AI-driven development.

The Opportunity

As a Senior Software Engineer, you'll join a small, innovative team modernising and simplifying critical legacy services using cutting-edge AI tooling. You'll demonstrate what's possible when AI is deeply integrated throughout the software development lifecycle, working with the latest AI technologies including Claude Code, GitHub Copilot, MCP, LLMs.

Senior Software Engineer will:

Develop and maintain software applications using Java
Implement AI solutions to enhance software functionality and accelerate development workflows
Collaborate with cross-functional teams to define, design, and ship new features
Leverage AI technologies throughout the development lifecycle
Participate in code reviews and maintain code quality standards
Modernise legacy services using AI-first approaches

The ideal experience:

6+ years of experience in software development
Strong background in Java programming and modern Java frameworks
Proven experience with AI technologies such as: Claude Code, GitHub Copilot, MCP (Model Context Protocol), LLM (Large Language Models)
Track record of implementing AI solutions in production environments
Experience working in financial services (desirable)
Strong collaboration and communication skills

What We Offer

£500-£600 per day (Outside IR35)
6-month contract with potential for extension
Hybrid working in London

If you're a Senior Software Engineer with strong Java expertise and proven experience implementing AI technologies, we want to hear from you.

#SeniorSoftwareEngineer #Java #AI #ArtificialIntelligence #MachineLearning #LLM #ClaudeCode #GitHubCopilot #London #ContractRole #OutsideIR35 #FinTech #SoftwareDevelopment

Apply Now

Similar Jobs

Senior Developer

Hiring Organisation: Tiro Partners Limited
Location: London, South East, England, United Kingdom
Employment Type: Contractor
Salary: £500 - £600 per day

Senior Software Engineer/ OutsideIR35 Contract/ Java/ AI / LLM Title: Senior Software Engineer (Java/ AI/ LLM) Contract: 6months OutsideIR35 Location: London (hybrid) Pay: £500-550p/d Looking for senior software developer, to join a 6month contract with our client an established ...

Senior Software Engineer

Hiring Organisation: Tiro Partners Limited
Location: London, South East, England, United Kingdom
Employment Type: Full-Time
Salary: £80,000 - £120,000 per annum

Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial ...

Senior Java Developer

Hiring Organisation: Opus Recruitment Solutions Ltd
Location: London, South East, England, United Kingdom
Employment Type: Full-Time
Salary: £90,000 - £120,000 per annum

Senior Java Developer | Backend | Microservices | FinTech | London | Hybrid | £120k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital ...

Java Developer - AI first development

Hiring Organisation: Harvey Nash
Location: London, United Kingdom
Employment Type: Contract, Work From Home
Salary: £500 - £550 per day

Senior Java Developer - AI first - sought by trading company based in London - Contract (OUTSIDE IR35 - Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills ...

Senior Developer

Hiring Organisation: Tiro Partners
Location: City of London, London, United Kingdom
Employment Type: Contract
Salary: £500 - £550/day

Senior Software Engineer | Java | AI | London | £500-£600/day About the Role We are seeking an exceptional Senior Software Engineer with expertise in Java and AI to join our client, an established financial services brand, on a 6-month contract Outside ...

Senior C++ Developer Linux SQL - Finance

Hiring Organisation: Client Server
Location: London, UK

Senior C++ Developer / Software Engineer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects ...

Senior C++ Developer Linux SQL - Finance

Hiring Organisation: Client Server
Location: London, United Kingdom
Employment Type: Permanent
Salary: GBP 100,000 Annual

Senior C++ Developer / Software Engineer (Linux SQL C+) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The ...

Senior Salesforce Developer

Hiring Organisation: Lawrence Harvey
Location: London, Ludgate Hill, United Kingdom
Employment Type: Permanent
Salary: £75000 - £85000/annum

Salesforce Developer: A super cool Fintech start up who are disrupting the wealth management/financial advice space are looking to add a Senior Salesforce Developer to their existing Salesforce team. Their mission statement is to make wealth management accessible to everyone ...

Senior C++ Developer Linux SQL - Finance

Hiring Organisation: Client Server
Location: London, England, United Kingdom

Senior C++ Developer / Software Engineer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects ...

Java Developer AWS React Full Stack - Start-up

Hiring Organisation: Client Server
Location: London, England, United Kingdom

Java Developer / Software Engineer (AWS React Full Stack) London / WFH to £80k Are you a technologist Java Developer looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful ...

Senior Software Engineer

Hiring Organisation: SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location: London Area, United Kingdom

Senior Python Engineer | London | £100k to £150k + benefits This is a role for engineers who want to work on problems that actually matter. You will be building backend systems that support advanced AI research and deployment decisions. The software you ...

Senior Developer

Hiring Organisation: Tiro Partners
Location: City of London, London, United Kingdom
Employment Type: Contract
Salary: £500 - £550/day

Senior Software Engineer/ OutsideIR35 Contract/ Java/ AI / LLM Title: Senior Software Engineer (Java/ AI/ LLM) Contract: 6months OutsideIR35 Location: London (hybrid) Pay: £(Apply online only)p/d Looking for senior software developer, to join a 6month contract with our client an ...

Senior Risk Python Developer

Hiring Organisation: Hays
Location: London, United Kingdom
Employment Type: Contract
Salary: GBP 875 - 900 Daily

I am currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space. What you'll need to succeed : Extensive ...

Senior AI Solutions Engineer - up to £135k base + equity

Hiring Organisation: Saragossa
Location: London Area, United Kingdom

Do you want to leverage your Generative AI skillset in a rapidly growing start-up that’s focused on Gen AI advancements? Do you want the freedom to work with a diverse range of clients and be responsible for creating ...

Senior Software Engineer

Hiring Organisation: Understanding Recruitment
Location: London, United Kingdom
Employment Type: Permanent

Member of Technical Staff (Go/Java/Rust) Up to 150,000 + Bonus + Benefits On-Site, London We are working with the first post-LLM open banking platform . The company is looking to add several Senior Engineers to their team in Liverpool Street ...

Senior AI Engineer

Hiring Organisation: Harnham
Location: London Area, United Kingdom

AI Engineer – LLMs / Applied AI London (onsite) Salary up to £180k + equity We’re working with a fast-growing AI startup building proprietary algorithms that are redefining how complex knowledge work is done. With strong revenue traction, top-tier investors ...

Tech Lead / Backend Engineer -Python

Hiring Organisation: Primis
Location: London Area, United Kingdom

We're working with a rapidly growing Series A startup backed by top-tier VCs who are seeking highly skilled Software Engineer / Backend Engineer with deep expertise in backend development. This company is revolutionising how software is built and deployed ...

Forward Deployed Engineer

Hiring Organisation: Immersum
Location: London, UK
Employment Type: Full-time

Title: Forward Deployed Engineer – AI & Customer-Facing Technical Leader Location: Remote Travel: Customer visits 4–5 days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM ...

Senior/Lead Python AI Developer - Leading Technology AI Brand

Hiring Organisation: MLR Associates
Location: London, United Kingdom
Employment Type: Permanent
Salary: GBP 70,000 - 90,000 Annual

Senior Engineer/Developer Start-up Scale up - growth Leading Technology AI Brand SaaS - Platform based Technology Services London/City £70-90k salary + equity package Our client a global technology leader is currently looking for a Senior/Lead Python Developer to work with ...

Engineering Manager Java AI - FinTech

Hiring Organisation: Client Server
Location: East London, London, United Kingdom
Employment Type: Permanent, Work From Home

Engineering Manager (Java AI) London / WFH to £140k Are you a technical leader with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Engineering Manager role ...