careers

Find your career at Cassini

Cassini collaborate together to tackle complex challenges, motivate each other to work hard and always celebrate in the success we create as a whole. The team is fun, friendly and dynamic - and are always on the look-out for exceptional individuals to join our growing company - but above all…

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We're Curious.

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We're Innovative.

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We're Entrepreneurial.

We’re always questioning, continuously innovative in our approach to problem-solving and never scared to take the risks needed to succeed and move ahead of the crowd.

At Cassini, not only will you be able to kick start your career, but you’ll get the chance to work with the financial industry’s most talented individuals. 

As a fast-growing company - with offices in London (HQ), New York and Sydney - we look for enthusiastic people who are keen to stretch themselves and adapt to the change around them, as well as taking on new responsibilities rapidly when the needed arises. In all cases, career paths can be flexible based on your goals.

Our current vacancies are shown below for both our London office and New York office. Please take note of the location of the vacancy before you apply. If you see a role below that is fit for you, then we would love to hear from you! 

Cassini is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, transgender status, religion or belief, marital status, or pregnancy and maternity. 

 

Cloud Systems Administrator

Based in: London

This position is based at the Cassini office in London with the ability to remote work 

We are looking for an experienced Systems Administrator who is keen to have real responsibility and impact; to take ownership of the smooth operation of our systems, maintaining stability, availability and security. This requires a broad understanding of Cloud Technologies and Information Security as well as Systems Administration.

This person will be expected to interact with a range of professionals including clients and 3rd party consultants as well as colleagues and senior management, so strong communications skills are a must.

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We're looking for candidates who have:

  • 3+ years Systems Administration experience in enterprise level systems.
  • STEM degree (2.1 or above).
  • AWS certification or equivalent experience in proven environment.
  • Proven problem-solving capability.
  • A good understanding of information security.
  • Good knowledge of networks and network security.
  • Experience with Linux system administration.

A successful candidate will be familiar with many of these technologies:

  • AWS (EC2, ECS, Fargate, S3, Lambda, ELB/ALB, ACM, GuardDuty, KMS, EKS, CloudFormation)
  • Docker
  • Kubernetes
  • Elastic stack (Elasticsearch, Logstash, Kibana)
  • CI/CD Tools (GitLab)
  • Deployment Automation Tools (ArgoCD, Octopus Deploy)

 

Support Engineer

Based in: London

This position is based at the Cassini office in London with the ability to remote work 

We are looking for a results-driven individual with experience of diagnosing and troubleshooting software
related issues to join our growing team. This person will report to our Head of Customer Success. This person will be a quick learner and will be expected to interact professionally with our clients while balancing competing priorities.

A person best positioned to succeed in this role would be
those who have previous experience in the financial industry.

A successful candidate will have an understanding of at least some of the technologies we work with:
• Linux / command line
• SQL
• AWS (EC2, IAM, S3, Cloudformation, Lambda, ELB/ALB, API Gateway, ACM)
• Python (Pip, Flask, SciPy, QuantLib, Jinja2)
• Docker
• Git & GitLab
• Elastic stack (Elasticsearch, Logstash, Kibana)
• Serverless (framework)
• Jira, Confluence, agile workflow

Requirements
• Exceptional written and interpersonal skills when communicating internally and with clients
• Proven problem-solving capability and an eye for improvement
• Time management skills and the ability to establish reasonable deadlines
• Excellent organizational skills and the ability to multi-task
• Experience in customer facing positions and managing client relationships
• Russell group university degree (2.1 or above) in relevant fields
• 4 years experience in a support related role

 

Front End Developer

Based in: London

This position is based at the Cassini office in London (remote working until further notice).

We're looking for proactive developers with a solid understanding of front end technologies, a keen eye
for detail and a passion for user experience.


The work involves dealing with cutting edges technologies for building SPAs. These involve react-hooks,
redux, redux-saga, reusable components libraries based on trialed and tested frameworks (we are using
material UI), charting libraries (chartjs), as well as vanilla ES6/ES7 JavaScript to complement the former.
Strong focus on clean CSS and following BEM guidelines.

Ideally the candidate will have some experience with the above, or frameworks that follow similar
design principles.

You will have proven experience in information security As a fast growing company with a flat structure, we see a forward looking, enthusiastic person who is
keen to learn rapidly and pick up responsibility as the best fit.


• Min 2.1 Russell group university degree in a technical subject.
• 3+ years experience with enterprise front end frameworks.
• Strong experience with React
• Seasoned in HTML5, CSS and JavaScript
• Familiar with Backbone.js
• Excellent understanding of Web APIs (REST)
• Good understanding of web integration with back end systems.
• Strong communication and teamwork skills.

 

Information Security Officer

Based in: London

This position is based at the Cassini office in London (remote working until further notice).

This role requires someone able to adapt and take on new responsibilities rapidly, with the aim of solidifying Cassini’s Information Security approach.

We would expect the person in this role to bring new ideas and approaches to the table and be the driving force behind raising the information security maturity level within the business.

As a small firm, our employees work on a wide variety of tasks so there are many opportunities for learning new skills and methods. We are looking for somebody who is motivated not only to learn new things and work outside of their comfort zone, but who also has a good understanding of the basics and can deliver value from day one.

You will have proven experience in information security roles, and will have a well-rounded understanding of security topics including but not limited to:

    • Public cloud security and best practices.
    • Network security.
    • Web application security.
    • Organizational and management security.
    • Certification and accreditation processes such as ISO-27001, SOC-2, CSA-STAR.

You will also be in possession of:

  • 4+ years experience in enterprise information security roles.
  • Clear and professional communication skills.
  • Proven ability to interact and communicate with senior management, client security teams, and 3rd parties on technical security topics.
  • Experience of taking accountability and responsibility for improving information security processes.

 

Cloud Engineer

Based in: London

This position is based at the Cassini office in London (remote working until further notice).

The role presents a great chance to learn all about capital markets and derivative products, as well as end to end delivery of cutting-edge analytic technology.

The role encompasses all parts of our internal and client facing infrastructure, helping to ensure operational excellence across the business.

This person will be a quick learner and will be expected to interact with a range of professionals including external 3rd party engineering consultants, internal Cassini staff and senior management.

Specific Experience / Skills Required

  • Excellent understanding of AWS and cloud technologies.
  • 3+ years cloud infrastructure experience in enterprise level systems.
  • STEM degree (2.1 or above).
  • Experience or knowledge of the well architected framework, DevOps, agile development and cloud design principles.
  • Familiarity with deployment automation technologies (Ansible, Chef, Terraform, Cloudformation DSC, etc).
  • Strong appreciation of information security.
  • Understanding of networks and network security.
  • Proven problem-solving capability.
  • AWS certified or equivalent experience in proven environment.
  • Quick learner and able to interact with a range of professionals including external 3rd party engineering consultants and internal Cassini developers and senior management.
  • Programming knowledge, preferably Python.
  • Basic understanding of Linux System Administration including terminal and bash scripts.

Client Delivery Engineer

Based in: London

This position is based at the Cassini office in London (remote working until further notice). As Cassini is a small but growing company this role requires someone able to adapt and take on new responsibilities rapidly. You will report to the Head of Client Delivery. 

We envisage the ideal candidate to have a technical background and interest in the financial world, particularly capital markets. We offer the ability to gain an in depth knowledge of a deep and complex sector that will create great career opportunities.

Specific Experience / Skills Required

  • Russel group university degree in a technical field (e.g. Data Analytics/Data Science, Finance, Computer Science, Engineering, Physics, or MIS). Min 2.1 or above 
  • Ability to interrogate and manipulate a relational database using SQL
  • Ability to create and manipulate structured data
  • Experience with scripting languages is an advantage
  • Strong communication and analytical skills
  • Proven ability to document system technical and data configurations for external consumption
  • Experience defining, tracking and tracking implementation or similar projects

You will have prior experience in working on software implementation projects, communicating to external stakeholders and data oriented technical skills..

QA Engineer

Based in: London

We are looking for QA Engineer with skills in coding, quality, and testing to join our team. Based at our London office, this person will report to the Head of QA.

You will join the team of hands-on, pro-active, self-motivated, and seasoned QA professionals.

Specific Experience / Skills Required

  • 4+ years of QA testing experience with demonstrable and significant experience in Automation
  • Experience with executing automation tests on CI/CD
  • Experience in working with cloud-based environments (Preferably AWS)
  • Strong experience in Automating frontend, backend and API testing
  • Knowledge of Agile and ability to work in fast-paced environment
  • Experience with tools such as Selenium, Cucumber/Gherkin, Rest Assured, Zephyr, GitLab,
  • Experience with tools such as JIRA and the full lifecycle of user stories and testing

You will have prior experience as QA Engineer, both manual testing and automated testing frameworks. You will have sufficient technical skills to assist with investigation of test defects.

Software developer

Based in: London

As a Software Developer, your primary responsibilities will include:

  • Developing and maintaining APIs, integrations and ETL pipelines.
  • Developing and maintaining analytic and calculation components.
  • Ensuring standard patterns are adhered to and improving the quality of our codebases.
  • Contributing to architecture, design, performance and scalability discussions.

We're looking for candidates who have:

  • Min 2.1 university degree in a technical subject.
  • 2+ years experience developing enterprise software systems.
  • An analytical and inquisitive mindset.
  • An understanding of distributed software systems.
  • A proven ability to problem solve under pressure.
  • Strong communication and teamwork skills.

A successful candidate will have a strong understanding of at least some of the technologies we work with:

  • Python (SQLAlchemy, Flask, SciPy, NumPy, Jinja2)
  • MySQL
  • RabbitMQ
  • Docker
  • Linux
  • AWS (EC2, S3, Serverless, Cloudformation)
  • GitLab
  • Elastic stack (Elasticsearch, Logstash, Kibana)
  • Jira, Confluence

Senior Software developer

Based in: London

We're looking for proactive developers with a solid understanding of software systems, analytical minds and a passion for software development. Motivated not only to learn new things and work outside of their comfort zone, but who also have a good understanding of the basics and can deliver value from day one.

We're looking for candidates who have:

  • Min 2.1 Russell group university degree in a technical subject.
  • 4+ years experience developing enterprise software systems.
  • An analytical and inquisitive mindset.
  • A strong understanding of distributed software systems.
  • A proven ability to problem solve under pressure.
  • Strong communication and teamwork skills.
  • A desire to take on responsibility and make a difference.

A successful candidate will have a strong understanding of at least some of the technologies we work with:

  • Python (SQLAlchemy, Flask, SciPy, Numpy, Jinja2)
  • MySQL
  • RabbitMQ
  • Docker
  • Linux
  • AWS (EC2, S3, Serverless, Cloudformation)
  • GitLab
  • Elastic stack (Elasticsearch, Logstash, Kibana)
  • Jira, Confluence
  • Quant finance tools (Quantlib, ORE, FINCAD)