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Software Engineer - Internship

Teesta -
Kolkata, West Bengal

Quick apply

Job details

Full-time

Qualifications

Cloud infrastructure
Rust (programming language)
Operating systems
Computer Science
Data structures
AWS
Analysis skills
C++
C
Bachelor's degree
Distributed systems
Computer skills
Multithreading

Full job description

Software Engineer Intern (2026 Batch)

Who We Are

Teesta Investment is a proprietary high-frequency trading and market-making firm operating across global digital asset markets. We build low-latency trading systems that combine engineering, quantitative research, and automation to solve some of the most challenging problems in financial technology.

At Teesta, you'll work alongside experienced engineers building systems where performance, reliability, and speed matter. We move fast, value ownership, and encourage people to take on meaningful work from day one.

About the Internship

This is a 4-month, full-time internship based out of our Kolkata office and is open exclusively to 2026 graduating students.

As a Software Engineering Intern, you'll work on real engineering problems that directly support our trading infrastructure. From optimizing performance and improving system reliability to building internal tools and enhancing data pipelines, you'll contribute to projects that are deployed and used in production.

This is a hands-on internship designed for students who enjoy building systems, writing efficient code, and solving complex technical challenges.

What You'll Work On

Software Development

Design, develop, test, and maintain high-performance software components.
Write clean, efficient, and maintainable code in C++ and related technologies.
Debug, optimize, and improve existing systems.

Systems & Performance

Improve the efficiency and reliability of data transmission and processing.
Work on multithreaded and high-performance applications.
Contribute to performance optimization and low-latency engineering initiatives.

Infrastructure & Tools

Build internal tools and automation to improve developer productivity.
Work with cloud infrastructure and distributed systems where required.
Create clear technical documentation for features and implementations.

Collaboration

Work closely with experienced software engineers on production systems.
Participate in code reviews, technical discussions, and problem-solving sessions.

Who We're Looking For

B.Tech in Computer Science or a closely related discipline from the 2026 graduating batch.
Strong programming skills in C++. Knowledge of Rust is an added advantage.
Strong competitive programming background with demonstrable ratings or achievements on platforms such as Codeforces, CodeChef, AtCoder, or LeetCode.
Good understanding of Data Structures, Algorithms, Operating Systems, and Computer Networks.
Knowledge of multithreading, multiprocessing, and AWS is preferred.
Strong analytical and problem-solving skills.
Curious, self-driven, and eager to learn in a fast-paced environment.

What You'll Gain

Work on real-world engineering challenges in high-frequency trading.
Mentorship from experienced software engineers.
Exposure to low-latency systems, distributed computing, and production-scale software.
A high-ownership environment where your work has a direct impact.
Outstanding performers may be considered for a full-time Software Engineer role upon successful completion of the internship.

Duration & Location

Duration: 4 Months
Location: Kolkata (On-site)

Who Will Thrive Here

We're looking for people who love building systems, enjoy solving difficult engineering problems, and care about writing high-quality code. If you're excited by performance, scalability, and learning in a fast-paced environment, you'll fit right in at Teesta.

Quick apply

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