Top Internships in Hartford, CT

An 11-week marketing internship providing real-world assignments, leadership development, coaching, networking, and experiential learning across digital marketing, brand management, analytics, marketing strategy, communications, philanthropy, and social media. Candidates will support the Marketing & Communications organization while developing corporate, analytical, communication, teamwork, and leadership skills.

Create and publish short-form video content, schedule and manage social media posts, monitor engagement, grow audiences across multiple platforms, analyze performance metrics, and collaborate with founders on content calendars and marketing initiatives. The internship also includes training in AI tools, analytics, and content strategy.

Remote, unpaid internship for current high school students interested in AI, business, or startups. Interns receive training on AI agents and business software, test the Admitpro.ai platform by identifying bugs and evaluating features, provide product feedback, and create and present an independent competitor analysis and startup strategy project.

Supports manufacturing engineering and operations teams with process improvement, lean manufacturing, data analysis, standard work, capacity analysis, tooling and workstation improvements, technical documentation, root cause analysis, and corrective actions. The intern collaborates with production, quality, maintenance, supply chain, and EHS teams while gaining hands-on experience in manufacturing environments.

Supports purchasing and supply chain teams with purchase orders, supplier follow-up, RFQs, sourcing, inventory, delivery, and supplier performance activities. Collects and analyzes procurement data, maintains Excel reports, supports Kanban and Vendor Managed Inventory programs, and identifies opportunities to reduce costs, improve material availability, and eliminate waste. The intern also prepares project updates and recommendations while working across suppliers, operations, and procurement leadership.

Work alongside senior billers to follow up on claim statuses, post payments from ERAs/EOBs, log and categorize denials, prepare patient statements, and maintain internal documentation to support revenue cycle operations.

Supports evaluation and governance of agentic AI harnesses by defining benchmarks, running structured evaluations, analyzing telemetry, identifying failure modes, tuning prompts and models, and maintaining audit-ready governance processes. The intern will collaborate with AI and AppSec teams, document methodologies, and participate in limited client-facing engagements under mentorship. This is a part-time, remote, 12-week paid internship requiring 25–29 hours weekly.

Supports multi-cloud lab infrastructure across AWS, Azure, and Google Cloud using Terraform, Ansible, and GitHub Actions. Assists with infrastructure-as-code modules, CI/CD pipelines, security tool evaluations, agentic automation, client POC engagements, technical documentation, and findings reports under mentorship. The part-time remote internship provides hands-on exposure to cloud infrastructure, DevOps, cybersecurity tooling, and AI-driven evaluation environments.

Conduct legal research, summarize findings, and assist with drafting, reviewing, and proofreading regulatory filings, agreements, correspondence, and other legal documents. The intern will organize legal resources, attend meetings, collaborate with attorneys and colleagues, and support additional legal projects. This hybrid summer role requires in-person work in Midtown Manhattan and residence in an approved state.

Provides remote IT support to client administrators and end-users, focusing on phone services, configuration changes, and ticket handling through phone, email, and chat. Collaborates with team members to support customer success before and after sales. The six-month internship requires strong communication, problem-solving, organization, technical curiosity, and the ability to work independently in a home office.

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).

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.

Develop and integrate complex software applications as part of a Honeywell engineering team. Interns will contribute software features to products, apply software development lifecycle and configuration management practices, analyze problems, develop efficient solutions, and collaborate with global teams while receiving mentorship and hands-on experience.

Develop and implement embedded software and systems, analyze system efficiency and stability, optimize I/O performance, support software quality assurance, and code, test, and troubleshoot system software. The internship requires hardware understanding and offers hands-on technical experience, mentorship, relocation benefits, and short-term housing for eligible interns.

Software engineering intern supporting the design, development, integration, and enhancement of complex software applications. The role involves contributing to team goals, creating innovative solutions, developing high-quality features, applying software development lifecycle and configuration management practices, and collaborating with engineers. Interns receive mentorship, hands-on experience, relocation benefits, and short-term housing when eligible.

Mechanical Engineering Interns will assist with designing and developing mechanical systems, components, and assemblies; conduct engineering research and analysis; collaborate cross-functionally on technical problems; and participate in testing and validation. The role provides hands-on exposure to industry-standard tools, manufacturing processes, product testing, and real-world engineering projects, along with mentorship and professional development.

Develop and implement embedded software and systems, analyze system efficiency and stability, optimize I/O performance, and support software quality assurance. Responsibilities include coding, testing, troubleshooting, and monitoring embedded system software while working closely with hardware. The internship provides hands-on engineering experience, mentorship, professional development, relocation benefits, and short-term housing eligibility.

Build and ship production software across the frontend and backend, working closely with founders, customers, and product teams. Develop AI-powered features and systems involving web scraping, unstructured data, PDF parsing, and cloud infrastructure. Translate real-world real estate and financing problems into technical solutions, make high-impact decisions, and own shipped code. The internship may convert to a full-time role.

Ten-week Business Operations internship at an investment management company. The intern will support performance measurement, reporting, trade operations, data integrity, reconciliations, valuations, process improvement, workflow enhancement, and technology-enabled solutions. Responsibilities include analyzing data, documenting processes, supporting controls, collaborating with business and technology partners, and presenting a capstone project to senior leaders.

Supports Kiva’s Business Development team by researching prospective partners, conducting outreach, managing inquiries, analyzing partner performance, creating case studies and pitch materials, and supporting partner onboarding and engagement. The intern also assists with marketing collateral, presentations, charts, graphs, and borrower-support content while developing partnership-building, research, communication, and relationship-management skills.

Supports Purina animal nutrition sales with national retail and farm-and-ranch accounts. Responsibilities include executing sales-growth projects, participating in sales calls, conducting market research, and traveling extensively to assigned territories. The intern must be able to travel up to 75%, lift 50 pounds, traverse uneven ground, and maintain a valid unrestricted driver's license. The position runs from May through August 2027 and is virtual, with proximity to an airport required.

Supports Kiva U.S. loan operations by screening applications, assisting borrowers during fundraising, managing delinquency, improving processes and infrastructure, collaborating with partners, analyzing data, collecting borrower stories, and enhancing training resources. The role is a six-month, part-time remote volunteer internship supporting entrepreneurs and cross-functional program initiatives.

Develop and deploy AI solutions from problem framing through production. Responsibilities include identifying AI opportunities, leading MVP development, building data pipelines, experimenting with generative LLMs, fine-tuning NLP models, and delivering scalable features. The intern will collaborate cross-functionally, communicate technical impact to business audiences, and work with cloud platforms such as AWS or Google Cloud.

As an Intern, you will monitor geopolitical events affecting supply chains, analyze data for risks, and support the Intelligence Solutions team.

Supports Muon’s Legal and Contracts team across commercial space law, regulatory compliance, government contracts, corporate matters, and export compliance. Responsibilities include maintaining compliance matrices, researching legal and regulatory topics, drafting written summaries, assisting with agreements and filings, and documenting export records. The role is a full-time remote summer internship offering mentorship and exposure to satellite, aerospace, national security, and government contracting matters.