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Freelance Software Engineer Internship Jobs (NOW HIRING)

Palantir

$10K/mo

The Role Software Engineers at Palantir build software at scale to transform how organizations ... This should be your final internship before graduating. To apply, please submit the following: * An ...

Palantir

$10K/mo

The Role Software Engineers at Palantir build software at scale to transform how organizations ... This should be your final internship before graduating. To apply, please submit the following: * An ...

Aechelon Technology

... our Summer Internship program. In addition to technical acumen, we highly value leadership skills as we believe innovation thrives when developers take initiative to make great software. This ...

Palantir

Do real, critical work with the engineers and customers building the future. Many of our interns find they want to stay - perhaps you will too. The Role Build software and deliver customer outcomes.

Virtu Financial

$5.0K - $5.8K/wk

Software Engineer Internship Virtu's internship program offers students an extraordinary opportunity to learn about the firm and the world's financial markets. We have built a thoughtful and ...

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How much do freelance software engineer internship jobs pay per hour?

As of Sep 12, 2026, the average hourly pay for freelance software engineer internship in the United States is $25.42, according to ZipRecruiter salary data. Most workers in this role earn between $20.67 and $28.85 per hour, depending on experience, location, and employer.

What is a freelance software engineer internship?

A Freelance Software Engineer Internship is a temporary, project-based position where individuals, often students or recent graduates, work as software engineers on a freelance basis. Unlike traditional internships at a single company, freelance internships involve working with multiple clients or projects, usually remotely. Interns gain hands-on experience in software development, improve their coding skills, and build a portfolio while enjoying flexible work hours. This type of internship is ideal for those looking to start their tech career, explore various industries, and develop a diverse skill set.

What are the key skills and qualifications needed to thrive as a freelance software engineer intern?

To thrive as a Freelance Software Engineer Intern, you need a solid grounding in programming languages (such as Python, JavaScript, or Java), problem-solving abilities, and a relevant educational background or portfolio. Familiarity with version control systems like Git, cloud platforms, and project management tools is typically expected. Strong communication, self-motivation, and time management skills help interns excel in remote, client-driven environments. These competencies ensure you can deliver high-quality code, meet deadlines, and effectively collaborate with clients or teams in a freelance setting.

How do freelance software engineer interns typically manage communication and collaboration with remote teams?

Freelance Software Engineer Interns often work with distributed teams, which makes effective communication crucial. They usually rely on tools like Slack, Zoom, and project management platforms such as Jira or Trello to stay connected with mentors, team leads, and other developers. Regular check-ins and clear documentation help interns stay aligned with project goals and receive feedback. Proactively reaching out and being responsive are important habits to build trust and ensure smooth collaboration during the internship.

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Freelance Software Engineer Internship jobs near you

Full-Stack Software Engineer Internship (Summer 2027)

Stamford, CT • On-site

Castleton Commodities International LLC
Oil and Gas Extraction • 501 - 1,000 employees
Learn more about Castleton Commodities International LLCexternal

Full-time

This job post has expired 3 days ago. Applications are no longer accepted.

Job description

Application Deadline: September 1st at 11:59 pm EST

Program Summary - Data Science & Technology Internship

Company Overview:

Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys capital on a proprietary basis in the physical and financial commodity markets, providing the Company with market insights and access. As a strategic investor and developer, CCI leverages its market expertise, operations capabilities, and industry knowledge to invest in, and develop, select commodity infrastructure assets. Our strategically integrated platform has generated strong risk-adjusted returns for our investors since our formation.

Position Overview:

CCI is developing a leading-edge analytics platform, as staying at the forefront of data management and analytics is essential to our investment strategy. We are looking for motivated and detail-oriented Front Office Software Engineering Interns to join our Global Data Science & Technology team in our Stamford, CT office. This internship is ideal for technically skilled students with a strong interest in building quality software that directly impacts trading, analytics, and investment workflows. You'll collaborate closely with other Software Engineer's, Data Scientist's, and Commercial end users, contributing to our front office platform through hands-on development projects using Python, cloud technologies (AWS), APIs, and Snowflake.

Responsibilities:

  • Contribute to the development of front office software tools that support real-time trading, market data analytics, and visualization.
  • Work with the commercial trading team to optimize and re-engineer pricing models, decision tools, and trading workflows.
  • Build and enhance Python-based microservices and APIs for internal data access and operations automation.
  • Assist in building data visualization dashboards using libraries such as Streamlit, integrating commercial KPIs, price curves, and supply/demand analytics.
  • Participate in cloud-native application development using AWS services, including Kubernetes and Kafka.
  • Support automation of deployment processes using modern DevOps tools (e.g., Git, Docker, Helm, CI/CD pipelines).
  • Collaborate with the Data Science team to help integrate ML-driven analytics into front office workflows.

Qualifications:

  • Currently pursuing a Bachelor's or Master's degree in Computer Science, Engineering, Management Information Systems, or related technical field of study.
  • Expected graduation date of Winter 2027 or Spring/Summer 2028.
  • Strong programming experience in Python (preferred libraries: Pandas, NumPy, etc.)
  • Familiarity with version control tools (e.g., Git) and software development best practices.
  • Strong problem-solving abilities and an eagerness to learn about financial markets and trading systems.
  • Excellent communication skills and ability to work in a fast-paced, collaborative environment.Top of Form

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