Top Internships in Hartford, CT

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 Python development intern building applications and APIs, processing and analyzing data, working with databases and data pipelines, contributing to system architecture, writing clean documented code, and collaborating with the team. Strong emphasis on backend development, SQL, ORMs, and REST API design with potential conversion to full-time.

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.

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.

Remote creative internship for US-based applicants. Roles include Research & Writing, Social Media, and Marketing. Candidates must submit a portfolio (not a resume), receive weekly or biweekly task assignments, maintain consistent communication, and contribute to active creative projects in a supportive environment.

Assist in growing Mila's social media presence across various platforms by implementing creative marketing strategies and engaging with online audiences.

The MBA intern will support the CEO's team in Marketing, Operations, and Strategy, focusing on analytics, financial models, and GTM initiatives.

As an SEO & Content Marketing Intern, you'll learn SEO best practices, conduct keyword research, optimize web copy, and build content calendars while working with the Organic Search team.

Remote, full-time six-month paid internship supporting sales operations: engage prospects, coordinate calls, build proposals/quotes, collaborate across engineering and marketing, support pre-sales activities, maintain partner relationships (Microsoft), and develop CRM and customer-service skills.

Entry-level cybersecurity compliance internship providing hands-on exposure to audits, CMMC compliance reporting, risk and security assessments, GRC artifact management (POA&M, SSP), policy and awareness program development, incident response, and managing GRC toolkits. Interns participate in customer meetings, industry activities, and author technical articles while receiving mentorship and on-the-job training.

Part-time unpaid internship supporting sales and marketing: prospecting and cold calling, building and managing campaign pipelines, analyzing marketing systems, defining ICPs, and executing multi-channel outreach while developing campaign assets and presentation skills.

Part-time internship supporting CRM architecture, data integrity, process documentation, operational audits, and KPI dashboarding. Build SOPs, centralize lead/project data, identify workflow bottlenecks, and deliver reporting to leadership to scale and improve operational processes.

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.

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.

Support go-to-market strategy and execution across inbound and outbound channels: define ICPs, join user calls, create Excel demo videos, run outreach using Clay/HeyReach/Instantly, post and measure performance on social platforms, and optimize funnel metrics (visits, conversion, retention, referral).

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.

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.

Support sales team by identifying and generating leads, maintaining CRM lead data, assisting with presentations and proposals, following up with prospects, and helping refine lead generation strategies and processes. Gain hands-on experience in sales and data-driven lead nurturing in a remote, part-time internship.

Support development and testing of software applications, troubleshoot issues with the development team, maintain documentation, attend team meetings, and help optimize application performance and user experience.

Support the business team with data collection, cleaning, analysis, dashboarding, and predictive modeling to measure and improve the internship program and client outcomes. Deliver visualizations, insights, and documentation to inform strategy and operational efficiency while collaborating with cross-functional teams.

Build, test, and deliver process simulation models to identify inefficiencies and recommend optimizations. Analyze and visualize data using Excel/Power BI/Tableau, prepare data with SQL or Python, collaborate with project teams and clients, and present findings to technical and non-technical audiences while managing simulation projects end-to-end.

Support project managers with planning and maintaining project plans, schedules, budgets; organize meetings and documentation; track deliverables; perform research and analysis; maintain project management tools and contribute to team brainstorming in a remote, part-time unpaid internship.

Support HR team in designing and delivering training programs, assist with performance reviews, maintain training materials, identify training needs, evaluate training effectiveness, and contribute to process improvements in a remote internship.

Remote unpaid legal internship supporting contract drafting and review, legal research, compliance, policy development, meeting participation, and administrative support for a startup-focused legal team. Ideal for JD students or recent graduates seeking practical corporate and contract law experience.