At a Glance
- Tasks: Design and implement intelligent AI solutions using Vibe Coding and GitHub workflows.
- Company: Join a forward-thinking tech company in London with a hybrid work model.
- Benefits: Enjoy competitive pay, flexible working, and opportunities for professional growth.
- Other info: Collaborate with diverse teams in a dynamic environment focused on innovation.
- Why this job: Make a real impact by developing cutting-edge AI coding agents and workflows.
- Qualifications: Experience with Vibe Coding, GitHub, and strong programming skills in Python or TypeScript.
The predicted salary is between 63000 - 77000 £ per year.
AI Software Engineer – Vibe Coding & Agentic Development
Location
London – hybrid, 2 days per week onsite
Engagement
Long-term contract
IR35 Status
Inside IR35
Role Overview
We are seeking an experienced Software Engineer with recent, hands‑on Vibe Coding and agentic development experience to design and implement intelligent solutions across the Software Development Life Cycle.
The role will focus on the Git Hub ecosystem, building specialised coding agents, custom agents, reusable Skills libraries and AI-driven workflows.
You will ensure these solutions meet rigorous engineering, security and quality standards, with appropriate human review before they are shared or deployed.
Key Responsibilities
- Design, build and maintain advanced AI coding and automation agents within Git Hub-based workflows.
- Develop multi-step agentic workflows that extend beyond basic prompting.
- Tune and refine agents to improve reliability, performance and output quality.
- Build robust evaluation frameworks for testing AI-generated code, prompts, Skills and automated workflows.
- Establish human-in-the-loop review and approval processes before solutions are shared or deployed.
- Create and govern reusable prompt libraries, instruction sets and organisational Prompt Ops standards.
- Develop comprehensive Skills libraries that can be adopted across multiple engineering teams.
- Integrate AI agents with CI/CD pipelines, Git Hub workflows and Model Context Protocol servers.
- Embed AI-assisted development practices across the full SDLC.
- Work closely with engineering, architecture, security and platform teams.
- Maintain high standards of coding, testing, documentation and software governance.
Essential Skills and Experience
- Recent commercial experience with Vibe Coding and AI-assisted software development.
- Strong hands‑on experience with the Git Hub ecosystem and complex Git Hub-based automation.
- Practical experience using tools such as Claude Code, Codex, Git Hub Copilot or similar AI coding platforms.
- Experience building custom coding agents, specialised agents and reusable Skills.
- Strong programming expertise in either Python or Type Script.
- Solid understanding of agent-based architectures and multi-step AI workflows.
- Experience integrating AI solutions with CI/CD pipelines.
- Knowledge of Model Context Protocol and MCP server integration.
- Experience developing evaluation frameworks for AI-generated outputs.
- Ability to write clear, reusable prompts, instructions and technical documentation.
- Strong understanding of software engineering standards, testing and code quality.
- Professional development experience with Rust, Golang or Java.
- Experience establishing Prompt Ops standards across engineering teams.
- Knowledge of LLM observability, guardrails and AI governance.
- Experience implementing human-in-the-loop approval processes.
- Previous experience leading AI-driven engineering or developer productivity initiatives.
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AI Software Engineer in London employer: Coltech
Coltech is an excellent employer, offering a dynamic work culture that fosters innovation and collaboration in the heart of Bristol. With a hybrid working model, employees enjoy flexibility while tackling complex engineering challenges in mobile security, alongside opportunities for professional growth and development within a supportive team environment. The company values diversity and encourages creative problem-solving, making it a rewarding place for those passionate about technology and security.
StudySmarter Expert Advice🤫
We think this is how you could land AI Software Engineer in London
✨Make Your Portfolio Shine
As a freelancer in software development, your portfolio is your bread and butter. Showcase not only your completed projects but also your coding skills on platforms like GitHub or GitLab. This visibility can lead to clients reaching out to you directly!
✨Join Developer Communities
Get involved in developer communities like Stack Overflow or Reddit's r/programming. Contributing to discussions, sharing your knowledge, or even helping others can expand your network and lead to freelance opportunities. Plus, it keeps you in the loop about what’s trending in software development.
✨Freelance Platforms Are Your Friend
Sign up for popular freelance platforms such as Upwork or Freelancer. They’re filled with people looking for talent like yours! Don’t forget to personalise your pitch to each potential client, highlighting how your unique skills can solve their specific problems.
✨Utilise Your Network
Don’t hesitate to reach out to your existing contacts - you never know who might need your services or can refer you to someone who does. Personal connections can lead to more reliable gigs than cold applications. And we're here to help too! If you're looking for freelance opportunities, check out opportunities listed on our website.
We think you need these skills to ace AI Software Engineer in London
Some tips for your application 🫡
Showcase Your GitHub Projects:When applying for a freelance software engineering gig at Coltech, make sure to include your GitHub link in your application. Highlighting your code repositories, contributions to Open Source, and any personal projects can really set you apart and give us insight into your skills and coding style.
Tailor Your CV with Relevant Skills:In software development, the specifics matter! Make sure your CV lists the programming languages and technologies you excel at. Focus on the ones that align with the projects Coltech is working on. Listing your tech stack clearly will help us understand how you fit into our team.
Include a Portfolio of Your Work:A solid portfolio is a must when applying for freelance roles. Include links to any apps, websites, or software you've developed. Highlight any projects that reflect a strong user experience, efficiency, or innovative solutions—this is your chance to shine and show us what you can bring to the table!
Mention Your Availability and Rates:Since this is a freelance role, we want to know when you’re available and what your rates are like! Be upfront about your typical work hours and project timelines. This transparency will help us see if we can sync up for future projects at Coltech.
How to prepare for a job interview at Coltech
✨Showcase Your Code Wizardry
Since you're going for a freelance role in software engineering, have a solid portfolio ready to flaunt your best work. Include projects that highlight your coding skills, frameworks you excel in, and any problem-solving feats you've pulled off. This is your chance to shine, so choose pieces that reflect your unique style and expertise!
✨Prepare for Technical Challenges
Freelance gigs often involve tech assessments or coding challenges, so be ready to tackle some hands-on problems. Brush up on common algorithms, data structures, and any languages/frameworks relevant to the role at Coltech. Being comfortable with platforms like HackerRank or LeetCode can give you an edge and showcase your skills under pressure!
✨Be Clear About Your Rates and Flexibility
As a freelancer, be prepared to discuss your rates upfront. It's crucial to communicate your pricing structure clearly and whether you're open to negotiation. Do your homework on industry standards to ensure you pitch a fair and competitive rate that reflects your skills and experience!
✨Understand Their Tech Stack
Before the interview, get familiar with the tools and technologies used at Coltech. Whether it's a particular framework or a specific coding methodology, being knowledgeable about their tech stack not only shows your interest but also helps you present how you could fit seamlessly into their existing projects. Demonstrating you’ve done your homework can set you apart from other candidates!
