Senior Full Stack Engineer at agencywithin | Long Island City

About the Role We are on the lookout for a talented AI Engineer to become a vital part of our expanding team, playing a pivotal role in the development and enhancement of our internal AI-powered agent platform utilized throughout the organization. In this position, you will be responsible for the design, development, and refinement of AI-driven applications that integrate large language models (LLMs) with internal systems, SQL databases, advertising APIs (such as Google Ads and Meta), and dynamic code execution environments. Your contributions will be essential in enhancing reliability, orchestrating context, elevating evaluation maturity, and broadening Rai’s capabilities to encompass document and workflow automation. Your work will substantially impact 200-500 employees and potentially our clients, positioning AI as a key productivity enhancer within the organization. Key Responsibilities: LLM Application Development: Design, build, and maintain AI-powered applications utilizing LLM APIs, tool integration, and structured outputs. Agent & Tool Orchestration: Develop and enhance agent architectures by integrating tools like SQL execution, Python coding, and marketing platform APIs through MCP-style integrations. Context & Memory Management: Design and refine multi-turn context management, session memory strategies, and prompt designs to enhance response reliability and mitigate hallucinations. Reliability & Guardrails: Implement safeguards for tool execution, SQL queries, and code execution, along with improving retry logic, structured validation, and hallucination mitigation techniques. Evaluation & Quality Assurance: Contribute to the creation of structured evaluation frameworks for LLM-powered systems, encompassing multi-turn testing, regression testing, and task-based success metrics. Product Expansion: Assist in the expansion of Rai into document generation, tables, slide decks, and potential integrations with Google Workspace. Collaboration: Partner closely with Machine Learning Engineers, Product Managers, and Full-Stack Engineers to ensure robust, maintainable, and business-aligned AI systems. Continuous Innovation: Remain up-to-date with advancements in LLM systems, agent architectures, and applied AI tools to consistently enhance Rai’s functionalities.

About the Role: We are looking for a talented and driven Machine Learning Engineer to become a vital member of our innovative team. In this position, you will spearhead the development and optimization of predictive machine learning models, primarily focusing on Ad Score and Ad Account Health. Your expertise will be essential in providing actionable insights and effective solutions for our clients, aligning perfectly with our mission.Key Responsibilities:Lead the creation and enhancement of predictive ML models, specifically targeting Ad Score and Ad Account Health.Perform comprehensive data analysis to uncover trends, patterns, and insights that guide model development and enhancement.Work in partnership with data engineers to establish and maintain feature engineering pipelines for model training.Utilize rigorous evaluation techniques to assess model performance and implement improvements.Collaborate with engineering teams to deploy models and ensure seamless integration into our products via APIs.Engage closely with product managers, full-stack engineers, and TPMs for the smooth incorporation of data science solutions into our offerings.Stay abreast of advancements in data science and machine learning, exploring innovative problem-solving techniques.

About the Role: As a Paid Social Media Manager at agencywithin, you will spearhead the strategic direction, execution, and optimization of paid social campaigns across leading platforms. Collaborating closely with cross-functional strategists and global colleagues, you will manage the entire performance lifecycle of social channels, mentor a small team, and serve as a trusted advisor to clients, transforming their business objectives into impactful paid social strategies that yield measurable outcomes. Your expertise in hands-on platform management, combined with your leadership and client communication skills, will be pivotal in driving the success and growth of both campaigns and your team. Key Responsibilities Include: Lead and mentor a team of one to two paid social buyers or strategists. Oversee the planning, execution, and optimization of paid social campaigns on platforms such as Meta (Facebook/Instagram), TikTok, LinkedIn, Snapchat, and other emerging social channels. Dive deeply into each paid social platform to understand daily performance drivers, creative effectiveness, audience signals, and algorithm changes. Build and maintain robust client relationships, ensuring that paid social strategies align with client objectives and consistently deliver results. Collaborate with internal teams (creative, strategy, analytics) and external partners to develop and implement innovative, social-first media strategies. Work with global team members, including those in North America, to align on paid social strategy, testing frameworks, and best practices across regions. Analyze campaign performance and attribution data to identify actionable insights and optimization opportunities. Continuously enhance and streamline paid social processes, documentation, and workflows to improve team efficiency and performance. Stay informed about the latest trends in paid social, platform updates, ad formats, creative best practices, and privacy regulations impacting performance.

Role Overview The City of New York is hiring a Contract Manager for the Center for Population Health Data Science Administration in Long Island City. This position supports public health initiatives by managing contracts, maintaining compliance, and streamlining operations. Main Responsibilities Oversee contract management and monitor compliance with city regulations and standards. Work closely with internal teams and external partners to improve contract outcomes and resolve issues quickly. Negotiate and execute contracts, focusing on securing favorable terms for the city. Prepare detailed reports and maintain documentation for audits and internal reviews.

The Bureau of the Controller, Division of Finance, is actively seeking a dedicated Principal Administrative Associate (PAA) Level I to serve as a Timekeeper within the Office of Payroll. This crucial office oversees the meticulous review and processing of time, leave, and overtime data for over 6,000 employees in the Department of Health and Mental Hygiene and OCME. The Timekeeper will execute all timekeeping processes under supervision, strictly adhering to the City of New York’s Time and Leave rules and regulations.Key Responsibilities Include:- Efficiently processing time and leave information using Citytime, the City’s electronic timekeeping system, ensuring compliance with City and Agency policies.- Monitoring employee leave balances to guarantee appropriate usage.- Authorizing employee overtime (Cash and Compensatory Time) requests through the Overtime Tracking System (OTS).- Conducting daily and weekly audits of timekeeping and payroll reports to verify accurate employee compensation.- Managing employee separations from the agency, including retirement, resignation, and inter-agency transfers.- Collaborating with Human Resources and relevant Divisions to address employee attendance and timesheet issues.- Preparing documentation for supplementary checks as needed.- Undertaking special projects as assigned by the unit supervisor.

The City of New York is seeking a proactive and detail-oriented Facilities Coordinator to join our Bureau of IT Infrastructure and Support Services. This role is crucial for ensuring the effective management of facilities that support our technological infrastructure, ensuring a seamless operational environment.The ideal candidate will be responsible for coordinating maintenance activities, supporting logistics for IT projects, and assisting in the management of facility-related issues. A strong focus on collaboration and communication will be essential for this position.

Role Overview The City of New York is hiring a Revenue Analyst for the Bureau of Finance in Long Island City. This role focuses on examining and improving the city's revenue streams through careful analysis and financial insight. What You Will Do Analyze data related to city revenue sources Identify trends and areas for financial improvement Support strategies to optimize municipal revenue Who We’re Looking For Strong attention to detail Experience or interest in data analysis Motivation to support effective financial strategies

About the Role Spear Physical Therapy is hiring a Physical Therapist for our Long Island City clinic. This position focuses on delivering hands-on care to a varied patient group, supporting their progress and recovery. What to Expect Work directly with patients from different backgrounds and with a range of conditions Apply clinical expertise to help individuals reach their rehabilitation goals Contribute to a collaborative and supportive team environment Location Long Island City, New York

We are seeking a dedicated and detail-oriented Intake Coordinator to join the Bureau of Immunization at the City of New York. As an Intake Coordinator, you will play a crucial role in managing and processing immunization records, ensuring that our community receives timely and accurate vaccination services.Your responsibilities will include coordinating intake processes, maintaining accurate databases, and working closely with healthcare providers to facilitate immunization services. This position is essential for promoting public health and ensuring compliance with immunization standards.

Join the Bureau of Application Development and Database Administration as a Data Analyst, where you will play a key role in leveraging data to improve municipal services and drive strategic decision-making. Collaborate with cross-functional teams to analyze complex datasets, create insightful reports, and contribute to data-driven strategies that enhance the efficiency of city operations.

The Bureau of Enterprise Technology Business Solutions at the City of New York is hiring a Project Manager in Long Island City. This position leads technology projects that support improvements to city services. Role overview The Project Manager coordinates multiple initiatives, working with teams to deliver technology solutions that benefit the public. The work involves planning, tracking progress, and ensuring projects meet their goals. Location This role is based in Long Island City.

Do you have a passion for enhancing our nation's critical infrastructure and ensuring reliable communications for first responders, utilities, and transportation sectors? Are you excited about the opportunity to be part of a dynamic, medium-sized company that thrives in a data-driven and financially sophisticated accounting environment? Are you a proactive, self-driven professional who can also lend a hand to teammates during unforeseen challenges? Position OverviewAs a Billing Specialist, you will take on essential responsibilities that include managing financial transactions, maintaining accurate financial records, identifying discrepancies, generating invoices, and facilitating payment solutions. Your role will encompass processing various billing types—such as standard customer billing, dropship customer billing, project-based billing, complex billing, and customer portal uploads—while also overseeing vendor dropship bills within our AP processing system, Stampli. This position demands close collaboration with internal teams, strong customer relationship management skills, and a keen eye for detail to ensure accuracy, timeliness, and alignment with accounting periods.

Join the City of New York as a Wellness Advocate within the Bureau of Alcohol and Drug Use Prevention, Care and Treatment. This vital role focuses on promoting health and well-being within the community by providing support and resources for individuals affected by substance use disorders.

Join our team as a Reset/Stock Merchandiser in Long Island City, where you'll play a crucial role in ensuring product availability and visual merchandising standards. This is an immediate hire opportunity for motivated individuals who thrive in a dynamic retail environment.As a Reset/Stock Merchandiser, you will be responsible for resetting store layouts, stocking shelves, and maintaining product displays. Your attention to detail and ability to follow directives will help drive sales and enhance the customer experience.

Role Overview The City of New York is hiring a P-Card Administrator for the Office of the Agency Chief Contracting Officer in Long Island City. This role manages the procurement card (P-Card) program and supports agency staff in daily operations. Main Responsibilities Oversee all aspects of the procurement card program Monitor card transactions and ensure compliance with city regulations Conduct audits of P-Card activity Provide support and guidance to agency staff using the program Lead training sessions to help users understand program requirements and procedures Location This position is based in Long Island City.

Join our dynamic team at Crossmark, where we are looking for dedicated and enthusiastic Reset/Stock Merchandisers to support our retail partners in Long Island City. As a key player in our operations, you will ensure that products are properly stocked, organized, and displayed according to company standards, delivering a seamless shopping experience for customers. This is an exciting opportunity for those who thrive in a fast-paced environment and enjoy working with a team.

Join the City of New York as a Senior Policy Analyst, where you will play a crucial role in shaping policies that impact our vibrant community. You will conduct thorough research, analyze data, and provide actionable insights to support the city’s initiatives and strategies.

Join the Bureau of Public Health Clinics as a Procurement Manager, where you will play a vital role in ensuring the effective procurement of essential health services and supplies. In this position, you will oversee the procurement process, manage vendor relationships, and collaborate with various departments to meet public health needs efficiently.

Sixt Rent A Car, Inc. is hiring a Rental Sales Agent for the Long Island City branch. This position centers on helping customers with their vehicle rental needs from start to finish. The Rental Sales Agent greets customers, answers questions, and guides them through the rental process to ensure a smooth experience. What you will do Assist customers in selecting and reserving vehicles that fit their needs Provide clear information about rental options, policies, and pricing Build positive relationships to encourage repeat business Ensure each customer leaves satisfied with their rental experience What helps you succeed Comfort working directly with customers Strong communication and listening skills Ability to recommend vehicles based on customer preferences Enthusiasm for delivering helpful service