Top Internships in Hartford, CT

Six-month engineering internship building production backend services and AI pipelines. Design SQL schemas (PostgreSQL), implement SaaS integrations (REST APIs, webhooks), work with embeddings, transformer models and vector databases, build end-to-end data processing pipelines, and contribute to code reviews and architecture discussions.

Hands-on internship offering cross-functional exposure to consulting, marketing, HR, operations, sales, partnerships, events, and content. Interns receive mentorship, structured development, real responsibility, and potential consideration for future roles.

Unpaid 3–6 month internship offering hands-on experience across social work, case management, HR, development, marketing, retail merchandising, project management, and events. Interns assist with client intake, outreach, research, content creation, administrative tasks, event support, and daily operations while building skills, networks, and receiving reference letters upon completion.

Work across frontend and backend to design, build, and ship annotation and review features; implement ingestion, storage, user management, and annotation pipelines; integrate model inference into workflows; optimize performance for large images/videos; design APIs and collaborate with product, operations, and annotators.

Assist in designing and building full-stack web applications using the MERN stack. Work on frontend (React) and backend (Node/Express), create responsive UIs, develop RESTful APIs, manage MongoDB databases, debug and optimize applications, collaborate in code reviews and agile sprints, and stay current with web development trends.

Work with the development team to build and debug web applications: write Python backend code, create responsive HTML/CSS/JavaScript frontends, integrate frontend and backend, participate in code reviews and testing, learn frameworks and document progress.

Create an introductory Development Economics course (focus on economic history and public institutions) using a chosen educational medium; work with a volunteer mentor and JMI staff to meet internship course requirements.

Project-based internship to create a business plan for Just Markets Institute, build internal processes and systems with mentor guidance, and support educational and marketing teams while meeting course requirements.

Supports the marketing team’s digital execution, including uploading and formatting HubSpot web pages, making basic backend and schema updates, conducting SEO audits, and assisting with redirects and internal linking. The intern also supports social media operations across LinkedIn, YouTube, Google Business Profile, and Meta, creates internal communications, organizes digital assets, and provides administrative support.

Support the sales team by conducting cold calls, generating leads, assisting with sales strategies, handling administrative tasks, maintaining customer databases/CRM, and collaborating to meet sales targets while gaining hands-on experience.

Write and publish high-quality blog posts and case studies by researching eCommerce/logistics topics and interviewing customers. Propose original content ideas, craft narratives that showcase customer success and Wondys impact, collaborate with the team, use Figma/Framer/HubSpot/Google Workspace for content workflows, and track content performance to improve engagement.

As a SkillBridge Intern in Marketing, you'll collaborate on product delivery, ensure project success, and engage clients, while gaining valuable experience in a remote or on-site setting.

The intern will assist in account management and acquiring new clients, while working remotely. Responsibilities include supporting client relationships and business development efforts.

The Research Intern will assist in data curation, exploratory analysis, and implementation of machine learning models in healthcare applications.

The digital media intern will execute the content strategy for Texas Lifestyle Magazine by developing and posting content across various social media channels and assisting in maintaining a social media content calendar.

Interns develop and monitor digital media campaigns for clients, manage social media platforms, create content, and participate in strategy sessions under mentorship.

The internship involves writing, research, managing workflows, assisting with editorial tasks, and supporting administrative functions in a remote magazine environment.

Assist in literary public relations by writing press materials, media pitches, research, and managing social media, while learning from experienced professionals.

The Social Media Content Creator Intern designs and produces engaging content for various social media platforms while collaborating with the team on content strategies.

The Content Creator-Digital Marketing intern will develop and implement digital marketing content, manage social media accounts, monitor campaign performance, and collaborate on multimedia content creation.

As a Digital Media Marketing Intern, you will assist in developing digital campaigns, optimizing content for SEO, managing email marketing, and analyzing campaign performance.

Assist in developing an Automated Quoting Portal by building quoting logic, designing user-friendly interfaces, automating quote workflows, and ensuring quoting accuracy.

The Intern will help develop an Automated Quoting Portal, focusing on quoting logic, user interface design, automation of email workflows, and testing to ensure accuracy.

The role involves conducting keyword research, optimizing web pages, analyzing SEO performance, and assisting in improving company digital positioning and user experience.

As a Data Analyst Intern, you will collect, analyze, and interpret data, create visualizations, and support reporting efforts to drive business decisions.