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Startup Software Developer Internship Jobs in Connecticut

Cooper Companies

The R&D interns will assist with the product development and software engineering processes. Interns will work on relevant in-process engineering projects during their time with the company.

SpaceX

$100K/yr

Internships are available with a variety of engineering teams across the company including design ... software that brings it all together. Our Starlink teams are also undertaking SpaceX's next ...

SpaceX

$30/hr

SPRING 2027 ENGINEERING INTERNSHIP/CO-OP SpaceX seeks extraordinary students to join us for ... software that brings it all together. Our Starlink teams are also undertaking SpaceX's next ...

SpaceX

$30/hr

SUMMER 2027 ENGINEERING INTERNSHIP/CO-OP SpaceX seeks extraordinary students to join us for ... software that brings it all together. Our Starlink teams are also undertaking SpaceX's next ...

The Walt Disney Company

Senior Software Engineer

Bristol, CT · On-site

$122K - $161K/yr

Senior Software Engineer Req ID: 10148215 Disney Entertainment and ESPN Product & Technology ... Love working in a startup culture * Find Media & Entertainment industry fascinating then Content ...

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Startup Software Developer Internship information

What is a startup software developer internship?

A Startup Software Developer Internship is a temporary position where interns work with a startup company to gain experience in software development. Interns typically assist with coding, debugging, testing, and sometimes designing software solutions under the guidance of experienced developers. Working in a startup environment often means exposure to a wide range of tasks and technologies, providing valuable hands-on learning. This type of internship is ideal for students or recent graduates looking to build their technical skills and learn how startups operate.

What are the key skills and qualifications needed to thrive as a startup software developer intern?

To thrive as a Startup Software Developer Intern, you need fundamental programming skills, familiarity with software development methodologies, and coursework or experience in computer science. Experience with version control systems like Git, and knowledge of popular frameworks or languages such as JavaScript, Python, or React, are typically expected. Strong problem-solving abilities, a collaborative mindset, and adaptability help interns excel in the dynamic and fast-paced startup environment. These skills and qualities are vital for quickly contributing to projects, learning on the job, and directly impacting the startup’s growth.

What unique challenges and learning opportunities can I expect as a startup software developer intern?

As a Startup Software Developer Intern, you'll likely work in a fast-paced and dynamic environment where you'll take on a variety of responsibilities, from coding new features to testing and deploying software. Startups often have smaller teams, so interns frequently collaborate directly with experienced developers, product managers, and even founders, giving you hands-on exposure to the full product lifecycle. You may encounter challenges such as shifting priorities, tight deadlines, and limited resources, but these situations offer valuable opportunities to develop problem-solving skills and adaptability. This role is ideal for those eager to learn quickly and make a tangible impact early in their careers.

What is the difference between Startup Software Developer Internship vs Startup Software Developer?

AspectStartup Software Developer InternshipStartup Software Developer
Required CredentialsTypically pursuing or recent graduate in CS or related fieldBachelor's or higher in CS or related field, some experience preferred
Work EnvironmentTemporary, learning-focused, mentored environmentFull-time, project-driven, collaborative environment
Employer & Industry UsageInternships offered by startups for entry-level experienceFull-time roles in startups, software development teams

The main difference is that a Startup Software Developer Internship is a temporary, learning-focused position for students or recent graduates, while a Startup Software Developer is a full-time role requiring more experience and responsibility. Internships serve as a stepping stone into the industry, whereas full-time developers contribute directly to ongoing projects and product development.

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Startup Software Developer Internship jobs near you

Software Developer Summer Internship - 2027

Interactive Brokers

Greenwich, CT • On-site

$21.50 - $28.25/hr

Full-time, Temporary, Internship

This job post has expired today. Applications are no longer accepted.

Job description

About the Company
Interactive Brokers Group, Inc. (NASDAQ: IBKR), a member of the S&P 500, is a global financial services company headquartered in Greenwich, Connecticut, with offices in over 15 countries. Through its affiliates, Interactive Brokers provides automated trade execution and custody of securities, commodities, foreign exchange, and prediction markets on over 170 markets in numerous countries and currencies.
For more than four decades, Interactive Brokers has focused on technology, automation, and innovation to provide clients worldwide with a sophisticated, unified platform to manage their investment portfolios. We serve individual investors, hedge funds, proprietary trading groups, financial advisors, and introducing brokers.
Our culture is driven by problem-solving, efficiency, and continuous improvement. We look for individuals who are intellectually curious, collaborative, and motivated to contribute to technology that helps simplify and enhance access to global financial markets. Interactive Brokers has consistently been recognized as a top broker by respected industry sources including Barron's, Investopedia, Stockbrokers.com, and others.
Software Development Internships 2027
Application Deadline: March 1st
Schedule: Full-time, onsite, Monday through Friday
As an intern, you will contribute to back, middle and/or front office projects. This 9-week program is onsite and offers hands-on learning, mentorship, and exposure to multiple areas of the business at a leading global brokerage firm. We aim to equip interns with the skills, knowledge, and professional mindset needed to succeed in the financial services industry.
If you are a computer science student passionate about technology and eager to learn in our high-energy, fast-paced environment
As a Software Developer intern, you will:
  • Work closely with our experienced software engineers to design, develop, and maintain software solutions
  • Own your project while checking in with other team members with questions and updates throughout the day
  • Participate in code reviews to ensure code quality and distribute knowledge

What You Gain from the IBKR Experience
  • Own projects under the guidance of your mentor
  • Develop high-performance, large-data research platforms
  • Contribute independently and collaboratively as a member of your team
  • Work in small groups to build the future of FinTech
  • Gain a deep understanding of data structures and algorithms
  • Become an excellent problem solver and out-of-the-box thinker

Position Requirements
  • Required onsite 9-week program commitment
  • Currently Pursuing a BS, MS, or Ph.D. in Computer Science or Software Engineering
  • Students graduating between Dec 2027 and May 2028 (preferred)
  • Have a minimum GPA of 3.5
  • Should have programming experience in C++, Java, or Python
  • Strong problem-solving and analytical skills
  • Ability to work both independently and in groups
  • Ability to prioritize and set goals on shifting priorities

Intern Benefits & Perks
  • Daily company lunch allowance provided.
  • Access to free all-day sodas, juices, snacks, and fresh organic fruits
  • Free shuttle service from the train station.
  • Access to Wellness room.
  • Gym access on subsides rates.
  • Lunch and Learn sessions for networking.
  • Team building outing.

Apply