Software Developer

Software Developer

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Develop and support real-time data feeds for trading strategies and collaborate with teams.
  • Company: Mustard Systems is a dynamic team focused on innovative sports models and trading strategies.
  • Benefits: Enjoy competitive salary, bonuses, health insurance, and 33 days of annual leave.
  • Why this job: Join a fast-paced environment where your work directly impacts business performance and innovation.
  • Qualifications: Strong software development background, especially in Python, with excellent communication skills.
  • Other info: Hybrid working model; office presence required three days a week.

The predicted salary is between 36000 - 60000 £ per year.

Get AI-powered advice on this job and more exclusive features.

Mustard Systems is a team of roughly 65 people dedicated to developing market leading sports models and trading strategies. Applications of our research are widespread across multiple sectors including betting, insurance, finance and the media, as well as giving advice to coaches and owners of sporting teams. Our aim is to predict sport as accurately as possible, and we achieve this by combining large, rapidly changing datasets with home grown software and statistical models.

We enjoy a fast-paced, ever-changing environment, offering fresh challenges which are both rewarding and enjoyable. Our ambitions are high, aiming to create best-in-class systems in a highly competitive field. In the coming year, we will be working on expanding our trading strategies and data feeds.

What You’ll Work On:

  • Develop and support real-time data feeds to support trading strategies
  • Integrate with new liquidity providers and optimize existing connections
  • Collaborate with quants, traders, and other engineers on trading strategies and analytics
  • Gather data to improve predictive capabilities, including improving the queryability and quality of existing data
  • Enhance system visibility for our teams to make informed decisions

We work with an agile approach, following a flexible plan that adapts to new information and opportunities as they arise. Developers are a core part of this process, taking full ownership of their software throughout its lifecycle—from design and development to testing, review, and production support.

At Mustard, we value quick delivery and real-world impact over perfect code. If you’re an engineer who thrives on solving problems quickly and enjoys a flexible, outcome-focused culture, you’ll fit right in.

Key Responsibilities:

  • Design and Build Impactful Features: Develop new features that align with and drive our business goals, delivering high-quality code that brings measurable value
  • Collaborate on Code Quality: Review and test code from teammates to ensure functionality, maintainability, performance, and quality standards
  • Support in Production: Take ownership of your team’s software in production, ensuring stability and quickly addressing any issues that arise
  • Cross-Team Collaboration: Work closely with other development teams on cross-functional projects, and partner with traders and quants to design and implement the best solutions to real business problems

Core Tech Stack:

  • Languages: Python (Python 3.10+), JavaScript/TypeScript for frontend work, and Go for select infrastructure
  • Tools: RabbitMQ for messaging, PostgreSQL for data storage, Websockets for frontend communication
  • Environment: Linux servers
  • Observability: Prometheus, Grafana and Zabbix

Requirements:

What we’re looking for:

  • Strong background in software development, ideally with Python
  • Exceptional communication skills, enabling you to convey complex technical ideas clearly to both technical and non-technical audiences
  • Strong decision-making abilities, with a knack for making thoughtful trade-offs in both implementation and architectural choices, balancing innovation and practicality

Nice-to-Haves:

  • Familiarity with building event-driven systems
  • Comfort with Linux/Unix environments
  • Experience working with JavaScript and/or TypeScript
  • Knowledge of relational databases, including both querying and schema design

Benefits:

Why join Mustard Systems?

  • Work on cutting-edge systems in a competitive and innovative field
  • Collaborate with a smart, driven team, where your contributions directly impact business performance
  • Opportunity to drive the company’s technical direction and double its revenue in the next three years

Comprehensive benefits, including:

  • Competitive salary and significant bonus potential (up to 30%).
  • Enhanced pension match with salary sacrifice option
  • Health insurance and life assurance
  • Sabbatical leave after five years
  • 33 days of annual leave (including bank holidays)

We have a hybrid working approach at Mustard Systems. We enjoy working and collaborating together and require people to be in our Hammersmith office three days a week on a Monday, Tuesday and Thursday. If you require any additional flexibility, please let our hiring team know as part of the recruitment process.

Seniority level

Associate

Employment type

Full-time

Job function

Information Technology

Industries

IT Services and IT Consulting

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Software Developer employer: Mustard Systems Ltd.

At Mustard Systems, we pride ourselves on being an exceptional employer, offering a dynamic work environment where innovation thrives. Our collaborative culture empowers software developers to take ownership of their projects, driving impactful solutions that directly influence our business success. With competitive salaries, comprehensive benefits, and a commitment to employee growth, including opportunities for sabbaticals and flexible working arrangements, we ensure that our team members are not only challenged but also supported in achieving their professional goals.
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Contact Detail:

Mustard Systems Ltd. Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Software Developer

✨Tip Number 1

Familiarize yourself with Mustard Systems' core tech stack, especially Python, JavaScript/TypeScript, and Go. Understanding these languages will not only help you in interviews but also show your genuine interest in the role.

✨Tip Number 2

Highlight any experience you have with real-time data feeds and event-driven systems. This is crucial for the role, and demonstrating your knowledge in this area can set you apart from other candidates.

✨Tip Number 3

Prepare to discuss your problem-solving approach and how you've made thoughtful trade-offs in past projects. Mustard values quick delivery and real-world impact, so showcasing your ability to balance innovation with practicality will resonate well.

✨Tip Number 4

Since collaboration is key at Mustard, think of examples where you've successfully worked with cross-functional teams. Being able to communicate complex ideas clearly to both technical and non-technical audiences will be a big plus.

We think you need these skills to ace Software Developer

Proficiency in Python (Python 3.10+)
Experience with JavaScript/TypeScript for frontend development
Familiarity with Go for infrastructure tasks
Strong understanding of PostgreSQL for data storage
Knowledge of RabbitMQ for messaging systems
Experience with Websockets for frontend communication
Ability to work in Linux/Unix environments
Strong problem-solving skills
Exceptional communication skills for conveying technical ideas
Experience with event-driven systems
Understanding of relational databases, including querying and schema design
Ability to collaborate effectively in cross-functional teams
Strong decision-making abilities in software implementation and architecture

Some tips for your application 🫡

Understand the Company: Before applying, take some time to understand Mustard Systems' mission and values. Familiarize yourself with their work in sports models and trading strategies, as this will help you tailor your application.

Highlight Relevant Experience: In your CV and cover letter, emphasize your experience with Python and any other relevant technologies mentioned in the job description. Be specific about projects you've worked on that align with the responsibilities of the role.

Showcase Communication Skills: Since exceptional communication skills are a requirement, provide examples in your application where you've successfully conveyed complex technical ideas to both technical and non-technical audiences.

Tailor Your Application: Make sure to customize your cover letter to reflect how your skills and experiences make you a great fit for the specific challenges at Mustard Systems. Mention your ability to thrive in a fast-paced environment and your approach to problem-solving.

How to prepare for a job interview at Mustard Systems Ltd.

✨Showcase Your Technical Skills

Be prepared to discuss your experience with Python, JavaScript/TypeScript, and Go. Highlight specific projects where you've used these languages, especially in developing impactful features or optimizing existing systems.

✨Demonstrate Problem-Solving Abilities

Expect questions that assess your decision-making skills. Be ready to share examples of how you've made thoughtful trade-offs in software implementation and architecture, balancing innovation with practicality.

✨Communicate Clearly

Since exceptional communication is a key requirement, practice explaining complex technical concepts in simple terms. This will help you connect with both technical and non-technical interviewers.

✨Emphasize Collaboration Experience

Highlight your experience working in cross-functional teams. Discuss how you've collaborated with quants, traders, or other engineers to solve real business problems, as this aligns with the company's focus on teamwork.

Software Developer
Mustard Systems Ltd.
M
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