Top Internships in Hartford, CT

Work on real-world web applications across frontend and backend. Use modern frontend frameworks (React/Angular/Vue) and backend tech (Node.js, Python, Java, PHP). Integrate RESTful APIs with databases (MongoDB, PostgreSQL, MySQL), debug, test, optimize performance, and collaborate with designers and product teams while gaining hands-on mentorship.

Assist in developing and maintaining cross-platform Flutter apps for Android and iOS, implement UI/UX with Flutter widgets, integrate Firebase and REST APIs, debug and optimize performance, and collaborate with the team while staying current with Flutter/Dart technologies.

Support digital marketing and community efforts in MENA: gather and manage data for content and campaigns, handle community queries on Telegram/Discord, use campaign portals (Task On, Galaxy, Zealy), conduct data research, assist lead generation, monitor campaign metrics, and follow the content plan to improve engagement and ROI.

Remote, unpaid 6-month UI/UX internship (20 hrs/week) supporting the Marketing team: create wireframes, prototypes, high-fidelity designs, conduct user research and usability testing, maintain design systems, collaborate cross-functionally, iterate based on feedback, and support product strategy while meeting deadlines.

Remote unpaid 20-hr/week graphic design internship supporting marketing: create social, presentation, web, and multimedia assets; maintain brand consistency; iterate on designs; collaborate with teams; learn design and digital marketing best practices.

Remote unpaid video-editing internship: edit and assemble raw footage into polished content, add transitions, color correction, sound design, graphics and captions, adapt assets for social platforms, manage multiple projects, iterate on stakeholder feedback, and organize media libraries while collaborating with marketing and creative teams.

The actuarial intern will perform mathematical and clerical actuarial tasks, compile and verify data, support loss and expense reserve evaluations, prepare rate filings and financial schedules, and assist with premiums, benefits, pricing, and other assigned projects.

Support the sales team by researching markets, identifying B2B opportunities, preparing sales materials and proposals, attending meetings, and collaborating with cross-functional teams to help drive client satisfaction and business development.

Support the sales team by identifying leads, conducting market research, preparing sales materials and proposals, participating in meetings and presentations, and collaborating with cross-functional teams to help drive business development and ensure client satisfaction.

Support international B2B sales through lead generation, prospect qualification, outreach, CRM data hygiene, sales material preparation, market research, pipeline tracking, and cross-team collaboration while learning sales processes.

Supports consumer marketing campaigns for government clients across email, social media, creative adaptation, reporting, analysis, quality assurance, and project coordination. The intern creates and proofreads campaign content, prepares visual assets, analyzes performance data, develops reports, identifies optimization opportunities, and helps ensure timely delivery of campaign materials.

Student internship supporting People Operations: create a strategic hiring plan for a part-time Coordinator, build internal communication structures for the internship program, and complete a course-aligned project with mentor guidance to develop internal processes for educational and marketing teams.

Project-based marketing internship creating a marketing strategy for JMI's educational content. Interns work within a six-person marketing team, are matched with volunteer mentors, and will produce strategic media to promote content and membership. Flexible project scope to meet spring internship course requirements.

Support JMI's marketing team by creating customer profiles, helping develop targeting strategies for other interns, and completing a flexible, course-aligned market research project under mentor guidance.

Own end-to-end product features: conduct user research, translate insights into specs and user stories, collaborate with engineering/design/growth, analyze product data, support sprint planning/QA/releases, benchmark competitors, and build roadmaps and documentation to launch features.

Run and coordinate qualitative user research: plan and moderate interviews and focus groups, translate goals into discussion guides, produce transcripts and structured insight summaries, and communicate findings to product teams while working remote-first.

Summer internship to build production-facing realtime intelligence for a mobile app that optimizes campus quest participation. Design context-aware quest logic, detect stalls/drop-offs, suggest micro-actions, instrument evaluation loops, and ship components on top of existing realtime systems to improve behavioral outcomes like IRL quest completion and retention.

Work as a hands-on Product Management intern owning features end-to-end: run user research, write specs and user stories, work with engineering/design/growth to ship, analyze product data, support sprint planning and QA, benchmark competitors, and build roadmaps and documentation.

Intern will build Zepho's social media presence, create content, manage influencer relationships, and track performance metrics. This role offers potential for full-time conversion.

Support building and redesigning responsive, mobile-friendly websites; create wireframes and sitemaps; develop front-end UIs and assist with back-end tasks; optimize for performance, scalability, and SEO; participate in brainstorming, debugging, testing, and follow clean coding and version-control best practices under developer mentorship.

Support CEO and leadership on market intelligence, financial modelling, go-to-market strategy, partnerships and PMO. Run competitor analysis, size segments, build investor-ready business plans, craft value propositions and support partner negotiations while tracking cross-functional OKRs and dashboards.

Remote 3-month marketing internship (18–25 hrs/week) supporting digital marketing activities: social media management and engagement, CRM updates, email campaigns, SEO improvement, analytics monitoring, market research, promotional activities, and aligning marketing strategies with sales goals while maintaining the company’s online reputation.

Perform B2B market and contact research to identify prospective companies and decision-makers, achieve daily lead-generation targets, gather executive contact information using tools and strategies, and support email prospecting and outreach efforts.

Label and outline plants in agricultural images using an online tool, tag crop and weed types per guidelines, maintain high accuracy across many images. Remote, flexible internship (3 months) with a monthly stipend and completion certificate. No coding or prior labeling experience required; video tutorials provided.

Summer data science internship working on ML projects (anomaly detection, numerical optimization, PII/PHI NLP). Interns will develop models, write high-quality Python, use Linux and development tools, work with git, Docker, CI/CD and Kubernetes, participate in code reviews and agile rituals, and present results to technical and non-technical audiences.