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Weekday AI

Senior Software Engineer

London
Level
Senior
Work type
Remote · UK only

Not stated in the posting: salary, visa.

Open. First seen 3 October 2026.

Apply on the company's site →

What this role asks for

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Read against Weekday AI's other open postings on this site.

The team: Weekday's Client via platform HIRES STEADILY

This role is one of 215 open in Weekday's Client via platform. 106 were posted in the last 30 days and the oldest in September: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Python (75 of 215), CI/CD (62 of 215), AWS (58 of 215), SQL (58 of 215), Azure (49 of 215), GCP (39 of 215), LLM (39 of 215)

OTHER ROLES ON THIS TEAM

From the team and dates on Weekday AI's own job board.

About the role

This role is for one of the Weekday's clients

Min Experience: 6 years

Location: London

JobType: full-time

We are seeking a highly skilled and experienced Senior Software Engineer with deep expertise in Python to join our growing engineering team. In this role, you will be responsible for designing, developing, and maintaining scalable, high-performance applications while playing a key role in shaping technical architecture and mentoring junior engineers.

Requirements

Key Responsibilities

  • Design, develop, and maintain robust, scalable backend systems and APIs using Python.
  • Lead end-to-end development of complex software solutions, from concept to deployment.
  • Write clean, efficient, and reusable code following best practices and coding standards.
  • Collaborate with cross-functional teams including product managers, designers, and DevOps to deliver high-quality features.
  • Optimize application performance, reliability, and scalability.
  • Participate in architectural discussions and contribute to technical decision-making.
  • Conduct code reviews and ensure adherence to quality standards.
  • Troubleshoot, debug, and resolve production issues in a timely manner.
  • Mentor junior developers and contribute to building a strong engineering culture.

Required Skills & Qualifications

  • 6–11 years of professional software development experience with strong expertise in Python.
  • Solid understanding of Python frameworks such as Django, Flask, or FastAPI.
  • Experience in building RESTful APIs and microservices architecture.
  • Strong knowledge of data structures, algorithms, and object-oriented programming.
  • Hands-on experience with databases such as PostgreSQL, MySQL, or MongoDB.
  • Familiarity with asynchronous programming and performance optimization techniques.
  • Experience with cloud platforms (AWS, GCP, or Azure) and containerization tools like Docker.
  • Knowledge of CI/CD pipelines and version control systems such as Git.
  • Strong problem-solving skills and the ability to work in a fast-paced environment.

Preferred Qualifications

  • Experience working with distributed systems and event-driven architectures.
  • Exposure to data processing frameworks or background job systems (Celery, Kafka, etc.).
  • Familiarity with testing frameworks and test-driven development (TDD).
  • Understanding of security best practices in application development.
  • Prior experience in leading small teams or projects is a plus.

Soft Skills

  • Excellent communication and collaboration skills.
  • Strong ownership mindset with attention to detail.
  • Ability to work independently and manage multiple priorities.
  • Passion for learning new technologies and continuous improvement.

Other openings for this role

2 open postings for this role in London, first posted 3 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.

Salary context

317 other open postings titled Senior Software Engineer state a salary: median USD 160,000 to USD 220,000 a year.

See Software Engineer salaries in London →

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