Jeffrey Kayzerman Email & Phone Number

Bloomfield, Nj, Us

Denver, Co, Us

Led full-stack development of customer-facing applications, leveraging React.js, Vue.js, typescript, Java andKotlin-based cloud-native APIs to build a user profile and personalization service• Built an event streaming platform leveraging Kafka and Flink to compute preferences based on incomingevents• Wrote SQL queries against Oracle, Postgres and Snowflake to perform data maintenance, debug issues andrun reports• Optimized application performance using Grafana (Loki, Prometheus, Tempo), improving operationalefficiency by 20%.• Managed sprint planning, mentoring junior engineers and fostering an environment of collaboration andcontinuous improvement.

Secaucus, Nj, Us

Secaucus, Nj, Us

Generated 35% YOY revenue growth by delivering tailored solutions and pre-sales demonstrations thataddressed key client pain points across industries, including financial services, utilities, and chemicals.• Established long-term relationships with key clients, becoming a trusted technical advisor and fostering newbusiness through ongoing consultation and support.• Led a team of 5 engineers to implement reporting solutions, directly contributing to over $2M in revenue.• Developed proof-of-concept (POC) solutions to demonstrate feasibility and value, resulting in several keyaccount conversions and strengthened client trust.• Led technical discovery sessions to uncover client pain points and propose innovative solutions, improvingthe time-to-value of delivered systems.• Conducted post-implementation solution optimization sessions, identifying opportunities for systemupgrades, performance enhancements, and new features, driving additional upsell opportunities.• Collaborated with sales teams to develop technical proposals, providing solution architectures andestimates that aligned with client budgets and timelines.• Represented xOverTime at industry conferences, delivering technical talks and driving lead generation fornew business opportunities.

Secaucus, Nj, Us

• Work with clients to gather requirements, design, prototype, build and test solutions using the xOverTime platform.• Adapt Excel workbooks to connect to the cloud to facilitate team collaboration around critical data.• Custom development with Python and VBA to build fully automated solutions• Work with the xOverTime development team to design new features for the platform and/or client requirements • Complete Project Management activities such as creating work plans with estimates, tracking action items, capture meeting notes, weekly progress updates to clients• Host weekly meeting to prioritize and plan completion of required work

Montville, Nj, Us

• Created and managed a new SDLC process using Agile methodologies (JIRA, Crucible, Confluence and Jenkins)• Developed embedded C code for a modular and re-usable architecture for motor control code across 4 programs• Created a unique process for unit testing C functions on-hardware not possible with the previous tools • Installed and managed Jenkins for Continuous Integration/Development on the codebase• Integrate JIRA with Crucible and Jenkins to track customer requirements to code reviews and successful builds• Document SDLC and product information in Confluence

New York, New York, Us

• Enhanced and maintained Data Warehouse ETL infrastructure reporting on $100 billion in investments• Work directly with 6 Managing Directors to build relationships, understand requirements, and design solutions• Developed the team’s first HTML5, CSS, JS front end to replace existing proprietary front ends• Configured the team’s first instance of a RESTful web server using a Scala and the Vert.x framework.• Utilized BI Tools including Business Objects and Qlikview to create custom reports and dashboards• Installed and managed the team’s first parallel processing resource pool (GS proprietary)

New York, Ny, Us

• Mainframe developer for the OMNITRUST accounting system processing 20 million+ transactions per night• Analyzed trends in transaction processing and run time to increase performance by 10%• Partnered with business analysts to collect specifications, design and implement enhancements• Developed a new program to identify and eliminate transactions intended for cancellation

New York, Ny, Us

Virtual Desktop Engineering