GIUSY CASTIGLIONE
New York,NY
Summary
Senior Software Engineer building scalable systems and enterprise tools, with experience partnering across product and sales teams to drive user-focused solutions and improve internal systems. I combine strong technical expertise with a background in sales, customer support, and cross-functional collaboration, enabling me to translate user needs into impactful product decisions. I’m highly focused on building, communicating, and continuously improving both products and processes.
Overview
11
11
years of professional experience
Work History
Senior Software Engineer – Sales CRM
Bloomberg LP
New York, New York
02.2026 - Current
- Lead development of key initiatives within an internal enterprise CRM, enabling sales teams to manage clients, track enterprise products, and identify revenue opportunities
- Drove end-to-end ownership of features and initiatives from concept to delivery, ensuring alignment with user needs and business goals
- Build and maintain full-stack features and APIs using Python, TypeScript, C#, GraphQL, and SQL Server, supporting scalable enterprise workflows
- Contributed to design and evolution of next-generation CRM platform, improving scalability for a rapidly growing portfolio of enterprise and data products
- Partner with product managers and sales stakeholders to define requirements, conduct user research, and influence product direction
- Identified and implemented enhancements to internal systems and workflows, integrating AI tools to support informed decision-making
- Mentor engineers, support technical recruiting, and contribute to technical documentation and team knowledge sharing
Founder and Host
Bye Wanxiety
New York, New York
07.2024 - Current
- Launched and host a podcast featuring guests from diverse professional backgrounds, sharing insights on career journeys, challenges, and growth
- Grew the podcast to the top 25% of video podcasts on Spotify within 6–7 months of launch, demonstrating strong audience growth and engagement
- Founded and built platform to normalize conversations around work and career anxiety, providing free educational resources for skill-building and career transitions
- Designed and developed custom website to host content, podcast episodes, and educational materials, enhancing audience engagement across multiple channels
- Produce and manage content end-to-end, including audio and video editing, visual design, and content strategy
- Apply marketing and audience growth strategies to expand reach and support community engagement
Software Engineer – Sales CRM
Bloomberg LP
New York, New York
01.2025 - 02.2026
- Built and shipped features for an internal enterprise CRM platform supporting sales teams in managing client data, tracking enterprise products, and improving sales workflows
- Developed and maintained full-stack applications and APIs using Python, TypeScript, C#, GraphQL, and SQL Server
- Collaborated with product managers and engineers to translate requirements into technical solutions, delivering features on schedule
- Engaged with sales teams to gather feedback and enhance usability of internal tools through iterative improvements
- Contributed to improving system performance and reliability across CRM components and backend services
- Assisted with technical documentation and knowledge sharing to support team alignment and onboarding
- Identified opportunities to streamline internal workflows and investigated AI tools (Claude AI, ChatGPT, Copilot) to enhance development processes
Software Engineer - Equities Engineering
Bloomberg LP
New York, New York
03.2022 - 12.2024
- Built and maintained client-facing equities products and functionalities for external financial clients
- Developed full-stack systems using C++, TypeScript, and Python
- Designed and implemented scalable APIs and backend services supporting real-time financial workflows
- Worked on high-performance, data-intensive systems ensuring reliability and scalability
- Collaborated with cross-functional teams to deliver critical features, improving user experience for external clients
Global Customer Support Representative
Bloomberg LP
07.2017 - 03.2022
- Identify, troubleshoot and resolve Terminal user inquiries via telephone, live chat, email and tickets.
- Troubleshot and educated clients and employees on app usage.
- Worked on multiple successful Bloomberg Entity Exchange campaigns, communicating with Buy-Side clients, guiding them through the platform and educating them on our KYC products.
- Provide implementation support for license orders.
- Improved workflow and productivity by identifying software issues, providing feedback, and collaborating with engineering.
- Assessed potential candidates for customer support roles as a member of the recruitment team.
- Collaborated with a small team to build a female tech portal on Plural Sight, encouraging colleagues to enhance their technical skills.
Founder & CEO
DateSpotz
05.2015 - 07.2017
- Sole creator of DateSpotz, a platform that helps people find a place to go on dates and connects them with businesses and events in their surrounding areas.
- Collected and analyzed data on venue performance, user behaviors, and restaurant trends.
- Ran all the Social Media, Organic Marketing while collecting data and statistics of venues, restaurants and user patterns/behaviors.
Product Lead & Sales Advisor
Warby Parker
10.2016 - 07.2017
- Promoted Warby Parker brand in new Grand Central Terminal location as brand ambassador, delivering seamless retail experience that maximized sales and daily conversion.
- Liaised with corporate Product team to relay new product information, collaborating with store's Visual Lead to educate team on new styles, materials, and fits.
- Executed back-of-house operations and processes to ensure balanced and thorough customer experience both online and in person.
Education
Various Tech Skills classes including iOS Developments and Algorithm solving
Women Who Code
03-2026
Economics -
UMass Boston
01-2016
Various Tech Skills classes including Wordpress, UX/UI Design
Women's Code Collective Boston
01-2016
The Complete Web Developer in 2020: Zero to Mastery - Full Web Development Bootcamp on Udemy by Andrei Neagoie
01-2016
Skills
- Programming Languages: Python, TypeScript, C#, C, JavaScript
- Databases: SQL Server, MySQL, graph databases
- Backend & APIs: RESTful APIs, GraphQL, scalable system design
- AI & Development Tools: Claude AI, ChatGPT, GitHub Copilot
- Version Control & Tools: Git, GitHub, CI/CD workflows
- Product & Strategy: product lifecycle, requirements gathering, stakeholder alignment, cross-functional collaboration
- Communication & Leadership: technical documentation, mentoring, teaching, content creation, internal training instruction, career development support
Accomplishments
- Project Entrepreneur by Rent The Runway, 01/01/16
- Hive Global Leadership Program, 02/01/16
- Blooming Founders of London, 01/01/16
- Women Techmakers Member, 02/01/17
- UMass Boston Dean's List, 01/01/15
Hobbies and Interests
Sailing Team Bloomberg
Volunteer Experience
Bloomberg, Volunteering for different causes such as City Harvest and Publicolor.
Languages
- Italian, Fluent
- Sicilian, Fluent
- Spanish - Intermediate
Timeline
Senior Software Engineer – Sales CRM
Bloomberg LP
02.2026 - Current
Software Engineer – Sales CRM
Bloomberg LP
01.2025 - 02.2026
Founder and Host
Bye Wanxiety
07.2024 - Current
Software Engineer - Equities Engineering
Bloomberg LP
03.2022 - 12.2024
Global Customer Support Representative
Bloomberg LP
07.2017 - 03.2022
Product Lead & Sales Advisor
Warby Parker
10.2016 - 07.2017
Founder & CEO
DateSpotz
05.2015 - 07.2017
Various Tech Skills classes including iOS Developments and Algorithm solving
Women Who Code
Economics -
UMass Boston
Various Tech Skills classes including Wordpress, UX/UI Design
Women's Code Collective Boston