Junior Developer in London

An opportunity has arisen for a Junior Developer in the IT Department in the City of London to deliver high quality software solutions across the firm’s trading, operational and regulatory landscape. The role focuses on enhancing in house systems and integrating front office, middle office and back office platforms. You will collaborate closely with product owners, stakeholders and fellow developers to analyse requirements, write secure and maintainable code, and ensure robust, well documented releases.

Main Responsibilities

• Analysis & Requirements
  • Work with the Head of Development, Business Analysts and business stakeholders to refine requirements and technical specifications.
  • Analyse processes, data flows, system behaviour, and codebases to propose practical, cost-effective solutions within agreed constraints.
• Development
  • Write clean, secure, maintainable, and scalable code in C#/.NET/T-SQL aligned with team standards and patterns.
  • Build and maintain integrations across front, middle and back-office systems.
• Testing & Quality Assurance
  • Create and execute test plans, test cases, and test data.
  • Perform debugging and root cause analysis to resolve defects.
• Deployment & Change Management
  • Prepare and maintain technical documentation for systems, integrations, and releases.
  • Adhere to the firm’s change management and release procedures.
  • Contribute to CI/CD pipelines and environment hygiene.
• Support
  • Investigate incidents, respond to service requests, and provide production support as required.
  • Monitor and improve operational reliability, including instrumentation, logging and alerting where appropriate.

Your Profile

The successful candidate will possess the following:

• Core (required) Technical Skills
  • Microsoft stack: Visual Studio, .NET/C#, ASP.NET, Entity Framework.
  • SQL Server: good T-SQL, performance tuning, and SSDT database projects.
  • APIs: designing, building and consuming REST services.
  • SDLC/DevOps: Agile delivery, Azure DevOps, CI/CD automation, Git (branching/release strategies).
• Additional Technical Skills (preferred)
  • Frontend: experience with React.js.
  • Middleware: Kafka and service oriented / event driven architectures.
• Relevant Commercial Experience (preferred)
  • Regulatory Reporting (MiFIR / EMIR).
  • FIX Drop Copies.
  • Salesforce Integration.
  • Integration with front-office (Fidessa/TT/CQG), middle-office (Ateo Lisa / ETG), back-office systems (GMI / ION XTP Clearing).
• Soft Skills
  • Strong analytical mindset; able to work independently and in collaborative teams.
  • Attention to detail and a bias for accuracy and reliability.
  • Clear written and verbal communication with technical and non-technical stakeholders.
• Education & Experience
  • University degree (ideally in Computer Science or related field).
  • 2+ years commercial experience.
  • Relevant financial industry experience preferred: futures, options, equities, CFDs, fixed income & FX, trade lifecycle, and regulatory obligations (MiFIR/EMIR).

Your Future Perspective

Challenging tasks, short decision‑making processes and a high level of personal responsibility in a modern work environment with flexible work time models. Room for innovative thinking and growth with the possibility to manage your own career path. A company culture which promotes continuous learning and diversity. All colleagues are able to join Women’s and Multicultural Employee Resource Groups, the Pride Employee Network and the Young Professionals Network, and participate in the company‑wide mentorship programme as mentor or mentee. Excellent career opportunities in a world‑leading nutrition company. An attractive remuneration including a variety of social benefits like subsidised health & fitness offers. Managers and colleagues are encouraged to discuss and enable the flexibility needed to meet the demands of work and life. Additional benefits and support for maternity and paternity leave. A workplace that promotes awareness of mental health: a network of Mental Health First Aiders and mandatory ‘Mental Health Aware’ training for all new starters within three months of joining.

We are proud to be an equal opportunity workplace and value diversity at our company to encourage a diverse range of perspectives, skills, experience and knowledge within our business. To assist with this, the Company has established a UK Diversity forum to support participation of underrepresented groups in the workplace.