VS01729 - Investment Full Stack Developer

E4 Software Services Pvt Ltd.; India; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

E4 Software Services Pvt Ltd. in India is seeking a frontend-focused engineer to design and build sophisticated user interfaces for financial and quantitative applications. You will translate complex data and workflows into clear, usable interactions for institutional investment users.

You will collaborate with backend teams to design and consume REST APIs (FastAPI/Flask/Express), handle diverse data formats (JSON/CSV), and contribute to testing and CI/CD practices in a cloud environment.

Qualifications

• 4+ years of frontend development experience.
• Deep understanding of UI/UX for financial and modelling applications.
• Experience building bespoke frontends for quantitative applications.
• Experience designing and consuming REST APIs with FastAPI, Flask, Express, or similar frameworks.
• Comfort handling structured and unstructured data including JSON, spreadsheets, and CSV.
• Experience with Git/GitHub and standard software development practices (testing, CI/CD).
• Basic DevOps concepts and CI/CD exposure.
• CFA or Actuarial qualification is a plus.

Responsibilities

• Collaborate with senior developers in the International Tools Team to design, develop, and enhance UI for quantitative investment tools.
• Translate business requirements into design specs, wireframes, and proofs-of-concepts.
• Contribute to technical design discussions and engineering standards.
• Deliver scalable, maintainable, well-tested code aligned with SDLC and Marsh standards.
• Work with cloud-based SQL databases and ORMs in backend interactions as needed.
• Engage with business stakeholders to rapidly iterate through designs and proofs-of-concepts.

Skills

React

UI/UX for finance

Quantitative frontend

REST API design

Git/GitHub

CI/CD basics

Data handling (JSON/CSV)

Independent work

CFA/Actuarial (bonus)

Tools

Chart.js

TailwindCSS

FastAPI

Flask

Express

SQL ORMs

AWS/Azure

Docker

Bloomberg/Refinitiv data

Job description

• Front end: React or a similar modern component-based framework with Context-based state management,
• Chart.js for visualizations, and TailwindCSS for design
• Backend: FastAPI (or Flask) with REST APIs

Required skills:

• 4+ years of relevant work experience in frontend development, ideally within an institutional investment environment.
• Deep understanding of UI/UX considerations for financial and modelling applications.
• prior experience developing bespoke frontends for quantitative applications is a strong plus.
• Experience designing and consuming REST APIs, with hands-on exposure to FastAPI, Flask, Express, or similar frameworks.
• Comfort handling structured and unstructured data across multiple formats, including JSON, spreadsheets, and flat files (CSV).
• Experience with Git/GitHub and standard software development practices, including integration testing, end-to-end testing, and user acceptance testing.
• Practical understanding of CI/CD and basic DevOps concepts.
• Clear communication skills and the ability to work independently.
• CFA or Actuarial qualification is a plus.

Frontend Craftsmanship

• Ability to design and build sophisticated, intuitive user interfaces for financial and quantitative applications — translating complex data and workflows into interactions that are clear and usable for institutional investment audiences.

Full Stack Versatility

• Comfort working across the stack — contributing to backend API design and implementation with FastAPI or Flask when needed, while maintaining a primary focus on frontend delivery.

Stakeholder Translation

• Ability to work directly with business stakeholders to translate requirements into design specs, wireframes, and proof-of-concepts, iterating rapidly to reach agreed final specifications.
• Strong software engineering practices applied consistently — delivering solutions that are scalable, maintainable, well-tested, properly validated, and aligned with SDLC best practices and Marsh coding standards.

Data Fluency

• Confidence handling structured and unstructured data across formats such as JSON, spreadsheets, and CSV files in service of investment and quantitative tools.

Responsibilities:

• Work closely with senior developers in the International Tools Team to contribute to the design, development, and ongoing enhancement of user-facing quantitative investment tools, with a primary focus on UI design and development.
• Work with business stakeholders as needed to translate requirements into design specs and wireframes/proof-of-concepts, rapidly iterating to agree final specifications.
• Contribute to technical design discussions and support the ongoing development and enhancement of team engineering standards.
• Apply strong software engineering and development practices to deliver solutions that are scalable, maintainable, well-tested, properly validated, and aligned with SDLC best practices and Marsh coding standards.
• Database experience with cloud-based SQL databases, including schema design, querying, and ORMs.
• Experience with financial data providers such as Bloomberg or Refinitiv.
• Experience with cloud hosting platforms such as AWS or Azure.
• Exposure to containerization, observability, or production support in a web application environment.
• Collaborate closely with senior developers within the International Tools Team on the design, architecture, and ongoing enhancement of quantitative investment tools.
• Partner directly with business stakeholders to gather requirements and rapidly iterate through wireframes and proof-of-concepts toward agreed final specifications.
• Contribute to technical design discussions and engineering standards conversations across the wider team.