Sammy S.

Sammy S.

Zurich, Switzerland
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About Me

Sammy is a Senior Full-stack Engineer with 15 years of experience specializing in React, Apollo, Redux, TypeScript, Node.js, Elasticsearch, and databases. He develops back-end and front-end solutions for global companies, including banks and financial institutions like Goldman Sachs and Swissquote. Sammy advocates product quality, ensuring the best software solution is delivered within time, budget, and other client requirements and specifications.

AI, ML & LLM

Frontend

Backend

Database

DevOps

QA & Testing

Workflow

Other

Work history

UpStack
UpStack
Senior Software Engineer
2020 - Present (5 years)
Remote
  • Worked on the development of an online service that automates taxes for companies like Uber.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

Waterbridge
Waterbridge
Senior Software Engineer
2022 - 2023 (1 year)
Remote

Took ownership of many features on the UI ranging from UI filters & search to drawer panels and many different components in the component library.

Goldman Sachs
Goldman Sachs
Key Senior Full-Stack Engineer
2019 - 2020 (1 year)
, Remote
  • Worked on the development of the GS Markets project to create an aggregation platform for trading structured products (retail facing) www.gs.de.

  • Developed multiple features such as a rewards program, competitor products, product comparison algorithms, complex searching filtering based on product categories (custom built to be highly tailored for structured products searching).

  • Created Apollo automated mocks for improving workflow dependencies & communication between Front-end & Platform teams.

AAA (CSAA)
AAA (CSAA)
Senior TypeScript/Node.js Engineer
2019 - 2020 (1 year)
, Remote
  • Performed backend development of a project in collaboration with Lyft to sell insurance policies to Lyft drivers.

  • Developed the Microservice architecture with AWS Lambdas, AWS SAM, Node.js, TypeScript, DynamoDB, AWS CodeBuild, AWS Redshift, AWS IAM, Okta authentication integration, Segment for analytics.

  • Created an integration layer between the front-end facing app to the backend insurance policy quoting service.

Inside Labs
Inside Labs
Senior Full-Stack TypeScript Engineer
2019 - 2019
, Remote
  • Worked on the development of the Inside Laax mobile app & a custom-built engagement & campaigning tool built on top of Braze.

  • Used AWS,TypeScript, React Native, Node.js (Express),React, MongoDB, MySQL, Apollo, and graphqlcode-generator for automated validation of graphql schema against the codebase and graphql files.

  • Performed the implementation of testing & scraping framework (Jest + Enzyme + Pupetter). Also, implementated a Sentry error-reporting (with source-maps), Contenful, and CI/CD with CircleCI.

ScienceLogic
ScienceLogic
Senior Full-Stack Engineer
2018 - 2018
, Remote
  • Performed full-stack development in Node.js + React + Redux + Apollo for a platform that enables companies to digitally transform themselves by removing the difficulty of managing complex, distributed IT services.

  • Worked on the development of the project to rebuild the main customer-facing product of ScienceLogic used for IT maintenance & monitoring.

  • Developed a tool used by Cisco as a main client. Implemented CI & CD on Jenkins.

Swissquote
Swissquote
UX Front-End Developer
2017 - 2018 (1 year)
, Switzerland
  • Implemented and developed company-wide core UI component library of all customer-facing UI elements & application components.

  • Created and implemented an internal Design System for use by the entire organization. Managed to improve research between UX and front-end teams.

  • Developed a Style Guide for use by the UX team, as well as implemented usability tests and heuristic evaluations of prototypes.

Parfumania Cosmetics
Parfumania Cosmetics
Senior Lead Full-Stack Engineer
2013 - 2017 (4 years)
, Remote
  • Gathered requirements and developed a custom ERP solution with automated real-time profitability reports, purchase & sales entry, tender system, automated perclient product pricing on user-definable intervals, cash-flow management & forecasts, data mining, stock-monitoring

  • Managed a team of 4 developers. Supervised purchases, logistics & customs clearance operations.

  • Reduced operating costs by 30% using automation. Automated pricing strategies which allowed an increase in range of products sold from 100 to 500.

Ozzit Creations
Ozzit Creations
Full-Stack Engineer
2009 - 2012 (3 years)
, United Kingdom
  • Developed various widgets in PHP for the website urbanite.pk, fixed bugs & errors, as well as general code clean-up.

  • Worked on Facebook apps using Facebook PHP API. Used PHP + JavaScript (VanillaJS) + jQuery for development.

  • Worked on the development of various freelance projects for the company.

Showcase

Senior Frontend Engineer - Fonoa (via UpStack)
Senior Frontend Engineer - Fonoa (via UpStack)
  • Assisted Fonoa, an online service automating taxes for companies like Uber, by working on products related to automated invoicing, tax calculations, returns automation, and supplier management.

  • Utilized React, TypeScript, Next.js, Tailwind, react-intl, and react-query in crafting performant and user-friendly UIs.

  • Introduced improvements to the codebase provided by relevant developer-experience tooling, besides feature development.

Key Senior Full-Stack Engineer - Goldman Sachs
Key Senior Full-Stack Engineer - Goldman Sachs
  • Completed a Greenfield project aimed at creating an aggregation platform for trading structured products. The platform was developed using React + Apollo, ElasticSearch, MongoDB, Kafka, and Snowplow.

  • Introduced notable features like a rewards program, competitor products, product comparison algorithms, and complex searching filters. Developed Apollo automated mocks for better workflow among teams.

  • Incorporated integrations with Sentry error-reporting, Contentful GraphQL API, Docker & Kubernetes. Implemented Continuous Integration/Continuous Deployment with GitLab.

Senior Full-Stack Engineer - Ordnance Survey public website
Senior Full-Stack Engineer - Ordnance Survey public website
  • Senior Full-Stack Engineer led the creation of company website and e-commerce store for Ordnance Survey Ltd, transitioning from Magento to BigCommerce

  • Managed the design and implementation of the whole web architecture for the project

  • Technologies used encompass React, TypeScript, JavaScript, BigCommerce, Azure Functions, Azure Event Grid, Cosmos DB, Apollo Server, GraphQL, DataCash, WorldPay

Sr. Full-Stack TypeScript Engineer - Inside labs internal dashboards and multi-tenant React Native app
Sr. Full-Stack TypeScript Engineer - Inside labs internal dashboards and multi-tenant React Native app
  • Involved in full-stack JavaScript & TypeScript Development in React + React Native + Apollo + Node.js + Redux + REST + MongoDB, integrating with Braze & Segment for analytics.

  • Implemented an automated validation system for graphql schema against the codebase and graphics files.

  • Imposed testing and scraping frameworks (Jest, Enzyme, Pupetter) and Sentry error-reporting, Contentful, along with CI/CD using CircleCI.

Education

Education
Digital Enterprise Management (HBA)
University of Toronto
2008 - 2012 (4 years)