Explore 3 junior software engineer python jobs from 3 hiring companies in Watertown, CT, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Junior Software Engineer Python

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Junior Software Engineer Python Jobs

Information Services Group

NBCUniversal

Trexquant

Onsite

Trexquant is a growing systematic fund at the forefront of quantitative finance, with a team of world-class researchers and engineers. As we continue to expand our trading operations, we are investing heavily in building the next generation of our quantitative research &amp; trading platform.We are seeking an Early Career Software Engineer with strong programming skills to join our engineering team. In this role, you will work closely with experienced engineers and quantitative researchers to  develop the infrastructure that powers systematic trading, including data pipelines, back testing tools, and execution systems. You will have the opportunity to contribute to greenfield development projects, where you’ll help build new systems from the ground up, driving innovation and scalability in our technology stack.Responsibilities<ul> <li>Full lifecycle development of low-latency, high-throughput research and trading systems using C++, C, Java, or Rust </li> <li>Build and optimize data processing pipelines to ensure reliable access to large, high-quality datasets.</li> <li>Assist in developing tools for back testing, model training, and strategy evaluation.</li> <li>Collaborate with researchers and traders to deliver technical solutions that improve research productivity and trading performance.</li> <li>Participate in code reviews, testing, and documentation to maintain high-quality standards.</li> <li>Stay abreast of emerging technologies, tools, and best practices, bringing innovative ideas to continuously improve our systems.</li> </ul>

Software Engineer - Early Career (USA)

Software Engineer

BS/MS in Computer Science or related STEM; strong data structures, algorithms, OOP; proficient in C++, C, Python, Java, or Rust; Linux familiarity; strong problem-solving and quick learning in a collaborative team.

Job Description:Looking&#xa0;to&#xa0;ace&#xa0;your upcoming academic year?&#xa0;As an NBCUniversal Academic Year intern,&#xa0;you’ll&#xa0;work on real projects, be part of our&#xa0;collaborative&#xa0;culture, and get the support you need to grow&#xa0;-&#xa0;across two full semesters.&#xa0;Our Internship Program is all about impact, giving you the chance to contribute to meaningful work while building skills that matter. If&#xa0;you’re&#xa0;curious, driven, and excited about media, entertainment, and technology,&#xa0;we provide an&#xa0;environment designed to help you learn and grow every day.&#xa0;In addition to&#xa0;all of&#xa0;our internships being paid, we will also offer the following for our&#xa0;Academic Year&#xa0;interns:   &#xa0;<ul><li>Paid time off for mental health,&#xa0;academic&#xa0;exams, and personal holidays. &#xa0;</li><li>Robust networking,&#xa0;learning&#xa0;and&#xa0;professional&#xa0;development opportunities.&#xa0;</li><li>Complimentary Peacock subscription for the duration of the internship.&#xa0;&#xa0;</li><li>Free admission to Universal&#xa0;Parks to use&#xa0;during your internship.&#xa0;</li><li>Access to mental health resources,&#xa0;including counseling sessions.&#xa0;</li><li>At NBC Sports Headquarters in Stamford, CT,&#xa0;you’ll&#xa0;have access to great&#xa0;perks&#xa0;and amenities including free shuttle service to/from the Metro North Stamford train station and the office, as well as discounted admission to Chelsea Piers Athletic Club.&#xa0;</li></ul>&#xa0;Academic Year Internship Program Details&#xa0;Program Dates:&#xa0;September 21, 2026 – April 23, 2027&#xa0;Time Commitment:&#xa0;16-24 hours per week.&#xa0;Exact schedule to be determined based on business need. &#xa0;We will do our best to accommodate course schedules.&#xa0;Format:&#xa0;Opportunities listed will require an&#xa0;intern to work&#xa0;from&#xa0;Stamford, CT.&#xa0;Academic Year&#xa0;Recruitment Timeline&#xa0;April 20:&#xa0;Applications open&#xa0;May 8:&#xa0;Applications close at 11:59pm ET&#xa0;(we recommend you&#xa0;submit&#xa0;your application as soon as possible&#xa0;–&#xa0;applications&#xa0;may&#xa0;close earlier due to applicant volume!)&#xa0;&#xa0;Early May – Mid June: First round video interviews   &#xa0;Mid June&#xa0;– Mid July: Second round interviews  &#xa0;Throughout July: Selected candidates receive offers  &#xa0;&#xa0;To Apply:&#xa0;<ul><li>Submit a one-page resume that outlines your work experience, accomplishments, and your graduation month and year.&#xa0;</li><li>Submit a cover letter that highlights your passion for NBCUniversal&#xa0;and&#xa0;your top areas of interest (opportunities listed below).&#xa0;</li><li>Upload a transcript (unofficial transcripts are fine) that confirms your status as an actively enrolled student in a degree-granting program.&#xa0;</li></ul>Operations &amp; Technology: (O&amp;T) is a $1B operating cash flow ($1.5B FCF) division of NBCUniversal. The group functions as a global shared service within NBCUniversal performing critical functions including Media, Broadcast and Studio Operations &amp; Production, Content Supply Chain, Information Technology and Engineering, as well as Cyber Security. The group&#xa0;operates&#xa0;from&#xa0;numerous&#xa0;locations around the world, including New York, New Jersey, Los Angeles, Denver, Connecticut, and London.   &#xa0;Areas of placement may include, but are not limited to:&#xa0;<ul><li>Global Network &amp; Distribution, Automation &amp; Reliability:&#xa0;As part of the Global Network &amp; Distribution organization, this team provides the foundational connectivity and infrastructure that powers NBCUniversal’s content delivery across Studios, Sports, News, Enterprise systems, and streaming platforms including Peacock. The intern will support initiatives within the Observability space, contributing to the onboarding and offboarding of Network and Distribution/Broadcast assets using internal toolsets, as well as enhancing and optimizing observability capabilities. This role offers exposure to the systems and technologies that enable large-scale media distribution, with opportunities to improve monitoring, performance, and operational efficiency across critical infrastructure.&#xa0;</li></ul>Qualifications:Basic Requirements:&#xa0;<ul><li>Must be actively enrolled in a degree-granting program at an accredited institution during the entire duration of the program (September 2026&#xa0;through April 2027). December 2026 graduates are not eligible for this&#xa0;Academic Year Internship Program. &#xa0;</li><li>Current class standing&#xa0;of&#xa0;sophomore&#xa0;or above (30 credits).&#xa0;</li><li>Must be presently authorized to work for any employer in the United States and must not require work visa sponsorship from NBCUniversal now or in the future to retain&#xa0;authorization to work in the United States.&#xa0;</li><li>Must be available to work&#xa0;16-24 hours per week&#xa0;from September 21, 2026 – April 23, 2027.&#xa0;</li><li>Must be willing to work in&#xa0;Stamford, CT.&#xa0;</li></ul>For further clarification, candidates currently on any student or exchange visa (e.g. F-1 CPT, F-1 OPT, J-1, M-1) are not eligible to apply unless they&#xa0;will be&#xa0;able to change or adjust to another status that grants work authorization without NBCUniversal sponsorship.&#xa0;&#xa0;NBCUniversal is an E-Verify company, requiring all employees to have an active Social Security number. Any candidate receiving an internship offer must complete I-9 form with Social Security number within 3 days of hire.&#xa0;&#xa0;&#xa0;Desired Characteristics:&#xa0;<ul><li>Students with class standing of junior or above preferred.&#xa0;</li><li>Cumulative GPA of 3.0 or above.&#xa0;</li><li>Python, Ansible, GitHub, observability/monitoring concepts with various utilities such as, but not limited to, Zabbix, SolarWinds, Datadog, New Relic, Dynatrace,&#xa0;SevOne, and&#xa0;NNMi.&#xa0;&#xa0;</li><li>Conceptual understanding of DBs such as PostgreSQL, NoSQL, and MongoDB. Compute Operating Systems such as Linux (various platforms), Windows.&#xa0;</li><li>Practical in-depth understanding of the Observability construct, with an in-depth understanding of data flow between the source of the metrics and the collectors, developing&#xa0;a software&#xa0;development skills set with Python, Ansible, CI/CD, such as GitHub.&#xa0;</li></ul>The hourly rate for student interns is $40.00.&#xa0;Additional Information:As part of our selection process, external candidates may be required to attend an in-person interview with an NBCUniversal employee at one of our locations prior to a hiring decision. NBCUniversal's policy is to provide equal employment opportunities to all applicants and employees without regard to race, color, religion, creed, gender, gender identity or expression, age, national origin or ancestry, citizenship, disability, sexual orientation, marital status, pregnancy, veteran status, membership in the uniformed services, genetic information, or any other basis protected by applicable law.If you are a qualified individual with a disability or a disabled veteran and require support throughout the application and/or recruitment process as a result of your disability, you have the right to request a reasonable accommodation. You can submit your request to AccessibilitySupport@nbcuni.com.

Software Engineering Internships – Academic Year

Software Engineering Internship

Actively enrolled in a degree program; sophomore or higher; US work authorization; available 16-24 hrs/week Sept 2026–Apr 2027; willing to work in Stamford, CT.

Consulting- AI & Digital
 
 Stamford,
 CT

<h3>Description</h3>
 
 <div>AI Engineering Summer Intern Stamford, CT</div><div> </div><div>Position Overview</div><div> </div><div>Information Services Group (ISG) is seeking a small group of highly capable technical interns to join our AI Acceleration Unit for an intensive summer build program focused on applied enterprise AI.</div><div>This is not a research internship. Interns will work directly with ISG leadership and engineers to design and build production-grade AI agents, automation tools, and analytics capabilities that support consulting delivery, benchmarking, financial modeling, and internal productivity.</div><div>The program culminates in a formal executive demonstration of the solutions developed during the program.  It is designed for students who want to ship real AI products, not just experiment with models.</div><div> </div><div>Responsibilities </div><div> </div><div style="margin-bottom: 9.0pt;line-height: normal;">Interns will collaborate with ISG’s AI team to build real enterprise solutions, such as: </div><ul style="margin-top: 0.0in;"><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">AI agents that automate consulting workflows</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">LLM-powered research and benchmarking assistants</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Data engineering pipelines supporting analytics and financial models</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Automation tools that enhance internal productivity and delivery operations</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Structured and unstructured data analysis using modern AI frameworks</li></ul><div style="margin-bottom: 9.0pt;line-height: normal;">All projects will have defined problem statements, executive sponsors, and clear build objectives.</div><div style="margin-bottom: 9.0pt;line-height: normal;">This program is designed for students who want to ship real AI products, not just experiment with models.</div><div style="text-align: justify;line-height: normal;margin: 6.0pt 0.0in 0.0in 0.0in;">Required Skillsets</div><div style="text-align: justify;line-height: normal;margin: 6.0pt 0.0in 0.0in 0.0in;"> </div><ul style="margin-top: 0.0in;"><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">This summer internship will last 6-8 weeks and requires reporting to the corporate office in Stamford, CT daily</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Strong proficiency in Python</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Experience using LLM APIs (OpenAI, Anthropic, etc.) and prompt engineering</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Familiarity with cloud AI environments (Azure preferred)</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Understanding of data engineering fundamentals including data cleaning, transformation, and pipelines</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Ability to work with structured and unstructured datasets</li><li style="color: black;margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Experience using Git / GitHub</li><li style="margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Comfort working with modern AI development tools such as ChatGPT, Claude, Gemini, or Codex </li><li style="margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Prior internship or project applying AI to real business problems</li><li style="margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Experience building AI agents, automation workflows, or analytics tools</li><li style="margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Exposure to ML frameworks or modern AI developer ecosystems</li><li style="margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Prior internship or project applying AI to real business problems</li><li style="margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Experience building AI agents, automation workflows, or analytics tools</li><li style="margin-bottom: 9.0pt;line-height: normal;font-family: sans-serif , arial , helvetica;font-size: 11.0pt;">Exposure to ML frameworks or modern AI developer ecosystems</li></ul><div></div><div>At ISG, we don’t just accept difference — we celebrate it, we support it, and we thrive on it for the benefit of our employees, our clients, and our communities. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. ISG is proud to be an equal opportunity workplace and we are committed to creating an inclusive environment for all employees. The more diverse and inclusive we are, the better our work will be.</div><div> </div><div>The duties and responsibilities described in this job description may not be a comprehensive list. Additional tasks may be assigned to the employee from time to time and/or the scope of the job may change as necessitated by business demands.</div>

AI Engineering Summer Intern Stamford, CT

AI Engineering Summer Intern

Strong Python skills; experience with LLM APIs and prompt engineering; cloud AI familiarity; data engineering basics; Git/GitHub; AI development tools; prior AI project or internship in business settings.

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Junior Software Engineer Python Jobs in Watertown, CT, US

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