Abdussamad Bello

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Senior Software Engineer

Rotate

Oct 2024 - Jul 2025 (10 months)

Led and Developed an External Attack Surface Management (EASM) scanner backend using Python, FastAPI, integrating threat detection logic, third-party security APIs, and real-time data processing pipelines. Built highly scalable and fault-tolerant API clients to interface with services like Shodan, Security Trails, and Censys, ensuring resilience and performance under heavy query volumes. Architected a workflow engine backend using AWS SQS queues and Temporal.io, orchestrating scanning jobs, retries, and stateful automation across services. Prioritized testability and reliability, incorporating unit tests with mocking, CI-based static analysis (mypy, ruff), and manual QA pipelines for validation. Implemented comprehensive observability infra

Senior Software Engineer

Bolster

Mar 2022 - Jul 2024 (2 years 5 months)

Developed advanced search algorithms using OpenSearch, enhancing the platform's capability to efficiently match recruiters with top talent. Led metrics collection and analysis projects to understand user behavior, guiding improvements to service offerings. Developed a Chrome extension that integrates with a backend to pull, edit, and scrape data from web pages, enhancing user experience with real-time data manipulation. Migrated complex DynamoDB user records into a universal data structure within the backend API and consolidated the user interface into a universal dashboard, streamlining data management and enhancing user experience. Improved user interface and experience, implementing design changes that resulted in increased user engageme

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Software Engineer

Connex Digital

Jul 2021 - Feb 2022 (8 months)

Developed the company's first public Zapier app, facilitating seamless integration for a leading fintech startup. Spearheaded automation script projects, creating custom solutions to enhance operational efficiency with Javascript, Python, n8n, Zapier, Odoo, Stacker. Designed and developed technical solutions for clients using low-code platforms, simplifying complex processes.

Software Engineer

Farmwallet Technologies

Jan 2020 - Aug 2021 (1 year 8 months)

Innovated UI/UX solutions for web applications, optimizing dashboard performance with the Javascript, Node.js, Vue.js framework. Key contributor to securing multiple awards and seed funding, highlighting significant impact on company growth. Played an instrumental role in deploying Minimum Viable Products (MVP), directly influencing the company's early success.

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Software Engineer

JB Tech

Aug 2018 - Feb 2022 (3 years 7 months)

Led customer design and implementation sessions, developing tailored solutions to meet complex business needs with Javascript, Python, Node.js. Revolutionized training and onboarding processes, doubling customer adoption rates. Implemented technical sales and marketing strategies, significantly improving company revenue.

Software Engineering Intern

Seamfix

Dec 2017 - Oct 2018 (11 months)

Analyzed customer and product requirements to determine the product use cases and features. Debugged and tested code to ensure product quality, which improved by ~50%. Researched, designed, and wrote new algorithms and software programs to improve quality. With Java, Javascript, Python, Springboot.

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