Junior Algorithmic Developer, Analyst, London

Jefferies·London·United Kingdom·Backend

Jefferies is hiring a Junior Algorithmic Developer, Analyst, London in London. Posted 2026-07-01; applications close 2026-08-30 (in 57 days).

Role details

Required Skills & Qualifications

  • 1–3 years of professional experience writing clean code, preferably in modern C++, with a strong grasp of memory management and multi-threading.
  • AI/ML familiarity: academic or professional experience working with machine learning libraries and frameworks.
  • Interest in trading and financial markets.
  • Ability to work in a fast-paced environment and with colleagues around the world.
  • Quick to learn and curious about all things.
  • Understand performance verification and optimization tools.

CS Fundamentals

Strong understanding of object-oriented programming, data structures, and algorithmic complexity.

Scripting & Data

Competence in Python, Perl, Shell scripting and SQL for data analysis, prototyping, and integrating AI models.

Education

Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Mathematics, or a highly quantitative field.

Preferred Qualifications

  • Experience with networking protocols (TCP/IP, UDP) or hardware acceleration (CUDA/GPUs).
  • Familiarity with CVS, git and Linux/Unix environments.
  • Basic understanding of quantitative finance and algorithmic trading.

Jefferies is a leading global, full-service investment banking and capital markets firm that provides advisory, sales and trading, research, and wealth and asset management services. With more than 40 offices around the world, we offer insights and expertise to investors, companies, and governments.

At Jefferies, we believe that diversity fosters creativity, innovation and thought leadership through the infusion of new ideas and perspectives. We have made a commitment to building a culture that provides opportunities for all employees regardless of our differences and supports a workforce that is reflective of the communities where we work and live. As a result, we are able to pool our collective insights and intelligence to provide fresh and innovative thinking for our clients.

Jefferies is an equal employment opportunity employer, and takes affirmative action to ensure that all qualified applicants will receive consideration for employment without regard to race, creed, color, national origin, ancestry, religion, gender, pregnancy, age, physical or mental disability, marital status, sexual orientation, gender identity or expression, veteran or military status, genetic information, reproductive health decisions, or any other factor protected by applicable law. We are committed to hiring the most qualified applicants and complying with all federal, state, and local equal employment opportunity laws. As part of this commitment, Jefferies will extend reasonable accommodations to individuals with disabilities, as required by applicable law.

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This Junior Algorithmic Developer, Analyst, London role at Jefferies runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications.

Jorb AI tracks details for Junior Algorithmic Developer, Analyst, London at Jefferies. Postings refresh hourly from primary careers pages. Job details mirror the firm's posting; the apply link goes directly to the source. Last refreshed 2026-07-03.

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