Senior Developer
Job description
Original text imported from Reed
Reed.ai is looking for a Senior Developer to join their team in Holborn, London.
Overview
Join a collaborative, forward-thinking team that values creativity, experimentation, and impact—and help redefine the future of recruitment through intelligent, human-centered technology.
We’re looking for a talented and experienced Senior Fullstack Developer to play a pivotal role in the development and growth of a brand-new AI recruitment platform as it prepares to enter the market this summer. This is a rare opportunity to take a product from Beta launch to full market release and beyond, shaping its trajectory at every stage.
You’ll be central to transitioning product development from an external agency to an in-house team, while driving technical excellence, user adoption, and long-term innovation. This is a chance to build something meaningful from the ground up—within a startup-style venture backed by the strength and stability of an established business.
Key Responsibilities
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End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance.
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Architect and implement robust backend services primarily using Python and PostgreSQL.
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Develop and maintain responsive, performant front-end applications with TypeScript and modern frameworks (e.g., NextJS, NodeJS).
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Collaborate with product owners, UX/UI designers, and other stakeholders to translate requirements into technical solutions.
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Champion agile ways of working, driving continuous improvement and delivery excellence.
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Integrate and optimize AI tools and APIs to enhance development productivity and platform capabilities.
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Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment.
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Participate in code reviews, architecture discussions, and system design decisions.
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Troubleshoot and resolve complex technical issues across the full stack.
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Ensure software security, scalability, and performance are maintained at all times.
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Keep abreast of emerging technologies and industry trends to inform strategic decisions.
Skills and Experience
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Minimum 8 years of commercial software development experience, with at least 3 years in a senior or technical lead role.
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Proven expertise in full-stack development using:
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TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind)
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Python (including frameworks like Django, Flask, or FastAPI)
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PostgreSQL and relational database design, optimization, and maintenance.
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AI Development Tools such as Windsurf, Aider or Augment.
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Demonstrable experience building and scaling SaaS platforms in a production environment.
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Strong understanding and practical application of Agile software development methodologies.
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Hands-on experience integrating AI tools, APIs, or platforms into software solutions.
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Domain experience in Recruitment Technology, HRTech, or closely related fields is a must.
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Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred).
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Experience with CI/CD pipelines, automated testing, and DevOps practices.
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Solid grasp of security best practices, data privacy, and GDPR compliance.
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Excellent communication skills, with the ability to work effectively across multidisciplinary teams and stakeholders.
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Strong problem-solving skills and a pragmatic approach to delivering solutions.
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Desirable
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Experience with containerisation and orchestration tools such as Docker and Kubernetes.
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Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ).
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Knowledge of front-end performance optimisation and accessibility standards.
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Exposure to machine learning pipelines or data engineering workflows.
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Prior experience working in startup environments or high-growth technology companies.
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Benefits
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Hybrid working as standard
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25 days annual leave plus bank holidays
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Flexible holiday scheme
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Paid time off to move home
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Contributory pension scheme
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Enhanced family leave benefits
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Insurance benefits including life assurance
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Love Mondays events
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Discount scheme including gyms and popular retailers
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Range of wellbeing and mental health support avenues
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Office in a fantastic location, with countless bars, restaurants and theatres right on the doorstep.
Key skills
AI-extracted from the job advert
Application advice
5 AI-generated recommendations to maximise your chances.
⭐ Highlight your full-stack expertise with Python and TypeScript at the top as the role specifically requires both backend and frontend development
📊 Quantify your SaaS platform experience: 'Built 3 SaaS platforms serving 50k+ users, achieving 99.9% uptime'
🤖 Emphasise AI tool integration experience as Reed.ai is building an AI recruitment platform
🏢 Showcase any HRTech or Recruitment Technology domain experience as this is explicitly required
🎯 Mention your technical leadership experience with specific team sizes and mentorship achievements
Suggested CV bullets
3 bullets our AI drafted for this specific advert, mirroring its ATS keywords.
Add these 3 bullets under your most recent experience:
- •Architected and deployed 3 SaaS recruitment platforms using Python/Django and PostgreSQL, serving 75,000+ active users with 99.8% uptime
- •Led technical transition of AI-powered platform from external agency to 8-person in-house team, reducing development costs by 40% while maintaining delivery velocity
- •Integrated 5 AI APIs including OpenAI and Anthropic into TypeScript/NextJS frontend, improving candidate matching accuracy by 35%
Free to copy — tailoring requires a 30-sec CV upload.
Your cover letter is ready
We've drafted a cover letter for Reed.co.uk. Preview the opening, then unlock the full personalised version.
Letter preview — tailored to Reed.co.uk
Dear Hiring Manager,
Reed.ai's mission to redefine recruitment through AI-powered technology aligns perfectly with my 8+ years of full-stack development experience, particularly my expertise in Python backend services and TypeScript frontend applications that this Senior Developer role demands.
My background in building scalable SaaS platforms and integrating AI tools into production environments positions me well to lead the transition from Beta launch to full market release. Having worked extensively with PostgreSQL optimisation and microservices architecture, I understand the technical challenges of scaling recruitment platforms.
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Interview questions
10 questions generated from this advert.
Technical
- ›How would you architect a scalable SaaS recruitment platform using Python and PostgreSQL?
- ›Explain how you would integrate AI APIs into a TypeScript frontend application
- ›Describe your approach to optimising PostgreSQL database performance for high-volume recruitment data
- ›How would you implement microservices architecture for a recruitment platform?
- ›What strategies would you use to ensure security and scalability in a SaaS environment?
Behavioural
- ›Tell me about a time you led the technical transition of a product from external to internal development
- ›Describe a situation where you had to mentor junior developers while delivering on tight deadlines
- ›Give an example of how you've driven technical excellence in an agile environment
- ›Tell me about a complex technical issue you resolved across the full stack
- ›Describe how you've collaborated with product owners and designers to translate requirements into technical solutions
STAR answer examples
Model answers using the Situation-Task-Action-Result framework. Adapt to your own experience.
Tell me about a time you led the technical transition of a product from external to internal development
Describe a situation where you had to mentor junior developers while delivering on tight deadlines