Senior Software Engineer

Title: Senior Software Engineer

Location: Mumbai, India

• Are you excited by the idea of helping scale a fast-growing tech business across London, Mumbai and Austin?
• Do you want to contribute towards building cutting-edge technology that powers real-time analytics and GenAI tools?
• Are you passionate about solving complex engineering problems across the stack and delivering scalable systems that make a real impact?

If so, we’d love to hear from you!

About Blenheim Chalcot 

Blenheim Chalcot India is part of Blenheim Chalcot, a global venture builder headquartered in London. With over 26 years of innovation, we've been at the forefront of creating some of the most groundbreaking GenAI-enabled companies. Our ventures lead the charge in digital disruption across a spectrum of industries, from FinTech to EdTech, GovTech to Media, and beyond. Our global presence spans the US, Europe, and Southeast Asia, with a portfolio that employs over 3,000 individuals, manages assets exceeding £1.8 billion, and boasts total portfolio sales of over £500 million. 

About Fospha:

Fospha is dedicated to building the world's most powerful measurement solution for online retail. For over a decade, we've helped teams make smarter decisions with full-funnel marketing insights, forecasting, and optimisation. With Fospha, every team moves faster and grows smarter.

Trusted by over 200 leading brands across three continents, including Huel, Oh Polly, and Represent, Fospha manages $2.5 billion in annual ad spend.

We're scaling fast across London, Mumbai, and Austin – and we're now looking for a Senior Software Engineer to join our Core Engineering Team to support the growth of the business through all things full-stack development, system reliability, and scalable architecture.

Ready to make your mark? Let’s go! 🚀

The Role:

As a Senior Software Engineer at Fospha, you’ll own problems end-to-end — across the stack, across the lifecycle, and across teams. You’ll design, build, and scale core systems in Python, React, SQL, and dbt, contributing to the foundation that powers all of Fospha’s products.

This is a fantastic opportunity to work on high-impact features, collaborate with cross-functional teams, and shape the future of our engineering practices.

Key Responsibilities:

• Design and deliver full-stack features, from backend APIs to frontend interfaces.
• Contribute to the reliability and scalability of our data and application platforms.
• Collaborate closely with Product, QA, and Data teams to deliver with quality and speed.
• Write maintainable, testable, production-grade code.
• Participate in code reviews, architecture discussions, and technical planning.
• Continuously improve tooling, automation, and developer experience.
• Lead technical decision-making and mentor junior engineers to elevate team performance and code quality.
• In addition to your core responsibilities, we expect you to be excited by the opportunity Gen AI brings and find new ways of working utilising our Gen AI hub!

What are we looking for?

We hire for potential – you should apply if you:

• Have full-stack expertise across Python, React, and SQL (dbt a strong plus).
• Understand software design, testing, and deployment practices.
• Have experience working in agile, high-growth environments.
• Bring an ownership mindset from design to deployment and product outcomes.
• Are passionate about scaling systems and simplifying complexity.

Our Values and Principles:

You will be able to demonstrate examples of our core principles:

• Seek inclusion & diversity: We create an environment where everyone feels welcome, and people are encouraged to speak and be heard.
• Work Hard, Work Well, Work Together: We take responsibility for making things happen, independently and together; we help colleagues in need and close loops, making sure our work is complete and has lasting impact.
• Grow: We are proactive, curious and unafraid of failure.
• Customer at the heart: We care about the customer, feel their pain and love building product that solves their biggest problems.
• Candour with caring: We deliver candid feedback with kindness and receive it with gratitude.

What we can offer you:

• Competitive salary
• Be exposed to the right mix of challenges and learning and development opportunities
• 25 days of paid holiday + your birthday off!
• Quarterly team socials

Blenheim Chalcot is a proud Equal Opportunity Employer. Diversity is one of our core values, thus making it core to our business. We strive to maximize the diversity of our workforce and welcome applications from everyone. We encourage diversity through perspective, background, identity, and thought whilst also fostering an environment where everyone can express themselves regardless of your race, religion, sex, gender, colour, national origin, disability, or any other applicable legally protected characteristic. We are committed to continuing to nurture an inclusive environment and building a diverse workforce.