Senior Software Developer - Chennai

Summary

We are seeking a senior developer to join a new software team at our brand-new site in Chennai. The team will be focussed on advancing our analytics platform through feature development, tooling enhancements, and architectural improvements. The immediate team will be co-located in Chennai, but you will work closely with technical leadership and product management teams in London, so strong communication skills in both technical and non-technical subjects are a must.

Full Time – Chennai central office location.

About us

With the launch of our brand-new Chennai, India office, this is a unique opportunity to join a fast-moving team in a dynamic, startup-style environment. Cassini is a highly regarded global company now building a key technology centre in Chennai, and this is a chance to be part of a global team while also building a new group from the ground up.

Step into the future with Cassini — Founded in 2014, we are the established, core utility provider of analytics and optimization tools built for the derivatives industry. From London to New York, Sydney to Singapore, hedge funds, asset managers, and banks worldwide rely on our solutions.

Our award-winning platform empowers clients to reduce margin, optimize collateral, and enhance their liquidity risk framework, delivering real-time, front-to-back analytics on the full cost of derivatives trading.

What sets us apart?

• Recognised as 'Best Derivatives Tech Provider' and 'Analytics Leader’
• Global impact with a rapidly expanding footprint
• Analytics provider to the largest asset managers in the world
• Enterprise-grade security (ISO 27001 & SOC-2)
• Seamless integration with OMS, EMS, and collateral systems

At Cassini, our client focus drives everything we do. We’re a collaborative, energetic team transforming how the financial world manages their liquidity risk. With challenging projects, continuous learning opportunities, and cutting-edge technology, we empower our employees to grow their skills and reach their full potential every day.

Role

As a Senior Developer, you will report to the development team lead (based in Chennai).

Core Responsibilities:

• Developing new features, tools and platform improvements.
• Enhancing reliability and performance of software.
• Maintaining and improving existing codebases.
• Mentoring more junior team members.
• Promoting and adhering to technical standards.
• Liaising with stakeholders in India and the UK.
• Performing code reviews and encouraging high standards within the team.
• Assisting with onboarding and training of new team members.

Tech Stack

We work with an exciting, modern stack built for scale, reliability, and productivity. To be successful in this role, you’ll need solid experience with most of the core tools, platforms and technologies we work with:

• Python (SQLAlchemy, Flask, Numpy, Pandas)
• MySQL
• AWS (ECS, S3, Lambda, RDS)
• RabbitMQ
• Docker
• Linux
• GitLab
• Generative AI Tools

Required Qualifications & Experience

• University degree in a STEM subject from a reputable institution
• 5+ years of professional software development experience
• Proven experience liaising with remote stakeholders
• Familiarity with our tech stack or equivalent technologies
  

Skills & Competencies

• Excellent teamwork skills.
• Professional fluency in English (both written and spoken)
• Excellent interpersonal and communication skills, with the ability to collaborate effectively across global teams and time zones.
• A strong understanding of distributed software systems
• An analytical and inquisitive mindset
• A desire to take on responsibility and make a difference.

Benefits

We offer a competitive and rewarding compensation package, including:

• Competitive CTC salary based on experience and role fit
• Bonus:

• Retention Bonus: One month’s salary, payable upon successful completion of the six-month probation period.
• Annual Discretionary Performance Bonus, subject to end of year performance review

• Health & Wellness Insurance
• Life Insurance
• AD&D Insurance
• Meal Benefits

• Learning & Development: Training, accreditation, and other development opportunities relevant to your role and career growth.

• Enhanced Leave Policy: 18 days Leave plus an extra day of annual leave for each year of service, up to 5 additional days.