Senior Full-Stack Developer (Python)

Applied Data Science Partners Ltd.; Greater London; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Annual bonus

26 days leave

Private healthcare

Enhanced family leave

Development budget

Hybrid working

Global remote work (4 weeks/yr)

Latest tech equipment

Snacks & team socials

Job summary

Applied Data Science Partners Ltd. in London is seeking a Senior Full-Stack Developer to lead the design, development, and deployment of complex software solutions. You will architect data pipelines, backend services, APIs, and ensure scalable, high‑quality UI/UX across industries.

You will work with Python and TypeScript, cloud deployments, Docker, and modern web technologies, mentor peers, and contribute to robust engineering practices in a fast‑growing environment.

Qualifications

• Proven experience presenting technical concepts to stakeholders.
• Experience developing complex user interfaces, backend APIs and software integrations using React.
• Proficiency in Python and TypeScript, including libraries for data processing and backend API development (FastAPI, Pydantic, ExpressJS, NodeJS, NextJS API Router).
• Good understanding of cloud deployment.
• Strong understanding of browsers and web APIs (HTML Canvas, SSE, WebSockets).
• Effective communication through written reports and presentations.
• Ability to version control with Git, GitHub, and Azure DevOps in a team setting.
• Experience with CI/CD pipelines and automated testing.

Responsibilities

• Design, develop, and deploy robust software solutions across the full stack.
• Architect and maintain data engineering pipelines, backend services, and APIs for scalability.
• Review Python and SQL code for quality, security, and standards.
• Support cloud deployments and Docker-based infrastructure (Azure, GCP).
• Develop and optimise databases and data integrity using SQL and cloud platforms.
• Mentor junior engineers and promote best engineering practices.
• Troubleshoot and enhance existing systems with strong problem-solving skills.
• Communicate project outcomes to stakeholders via documentation and meetings.
• Stay up-to-date with emerging engineering technologies and propose improvements.
• Assist frontend design with a focus on user experience.

Skills

UI development

Backend APIs

Python

TypeScript

Cloud deployments

Docker

Git & CI/CD

Mentoring

Web technologies

Problem solving

Tools

React

FastAPI

Pydantic

ExpressJS

NodeJS

NextJS API Router

Job description

We are looking for aSenior Full-Stack Developer to play a pivotal role in leading the design, development, and deployment of complex software solutions. You will architect and maintain data engineering pipelines, backend services, APIs, demonstrate consideration for design and UI/UX when building user interfaces, delivering reliable and scalable systems that address business needs across diverse industries. This position requires deep expertise in software engineering concepts, advanced coding abilities (preferably Python and Typescript), and hands‑on experience with cloud deployments, databases, and containerisation (Docker).

If this sounds like you, we can't wait to hear from you!

KEY RESPONSIBILITIES:

• Contribute to the design, development, and deployment of robust software solutions, promoting best practices throughout the software development lifecycle

• Contribute to architecting and maintaining complex data engineering pipelines, backend services, and APIs to ensure scalability, reliability, and high performance

• Support the thorough review of Python and SQL code via Git, promoting code quality, security, and adherence to engineering standards

• Support cloud‑based deployments and infrastructure (e.g. Azure, GCP), leveraging Linux scripting and advanced Docker skills including storage, volumes, and permissions

• Develop and implement database solutions using SQL and Cloud platforms, with a focus on optimising performance and data integrity

• Mentor and guide junior engineers, facilitating knowledge sharing and the adoption of best engineering practices

• Troubleshoot and enhance existing systems, applying advanced problem‑solving and analytical skills

• Effectively communicate technical concepts and project outcomes to stakeholders through written documentation, calls, and presentations

• Demonstrate high attention to detail across all development activities, contributing to deliverables that meet technical and business requirements

• Remain up to date with emerging software engineering technologies and industry trends and proactively suggest improvements and new approaches

• Identify technical risks and contribute to project planning and task management, helping to achieve successful outcomes

• Assist the design and implementation of front‑end applications while emphasising user experience

KEY REQUIREMENTS:

• Proven experience of presenting technical concepts to stakeholders

• Proven experience of developing complex user interfaces, backend APIs and software integrations using tools like React

• Proficiency with writing maintainable Python and Typescript, including experience of working with relevant libraries for data processing and backend API development (i.e., FastAPI, Pydantic, expressJS, NodeJS, NextJS API Router, etc)

• Good understanding of cloud deployment

• Strong understanding and proven experience working with browsers and web APIs including HTML Canvas, Drag and Drop, SSE, WebSockets, etc.

• Effective communication skills through written reports and presentations.

• Ability to version control code using tools such as Git, GitHub and Azure DevOps in a collaborative development environment

• Ability to manage complex branching and merging scenarios using Git in rapid development cycles, collaborate with distributed teams using feature branches and pull requests along with maintain high code quality by reviewing commits and automating testing in CI/CD pipelines with Git)

• Ability to maintainable programmes using HTML, CSS, and JavaScript, including strong understanding of programming concepts, data structures, algorithms, and user interface components within the HTML DOM

• Ability to read others' code

• Ability to work independently and as part of a team

• Ability to guide and mentor others

• High attention to detail

• Effective organisational skills e.g. planning, time management

• Effective problem‑solving skills.

INTERVIEW PROCESS:

Stage 1: 20 min video call with a member of the hiring team

Stage 2: 45 mins live coding task in Python

Stage 3: 90 min F2F interview in our London office

OUR BENEFITS:

At ADSP, we believe in rewarding talent and supporting your growth. Here’s what you can look forward to as part of our team:

• Competitive compensation package including annual performance bonus

• 26 days of annual leave, 8 bank holidays plus your birthday off

• BUPA Private Healthcare

• Enhanced family leave

• £1,000 annual development budget

• Flexible hybrid working (1 day a week in our modern Shoreditch office)

• Remote working from anywhere in the world for up to 4 weeks each year

• Latest tech that suits your needs: high-spec Windows machine or a MacBook

• Free snacks and drinks, and regular team socials

• Supportive entrepreneurial environment offering a ton of autonomy and opportunity to work on a variety of projects, technologies and industries

Join us and realise your full potential in a collaborative, forward-thinking team, where your work will help shape the future.

OUR COMMITTMENT TO DEI:

At ADSP, we are committed to fostering an inclusive hiring process and believe in creating an environment where all candidates have equal opportunities to succeed. If you require any reasonable adjustments during the application or interview process, please do not hesitate to reach out to us at [e-mail]