Nazmus Sakib - Data Analyst | ContraWork by Nazmus Sakib
Nazmus Sakib

Nazmus Sakib

Data & Market Research | Competitor Analysis | PPT Design

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Cover image for This project involved collecting, reviewing
This project involved collecting, reviewing and standardising publicly available cosmic void catalogue data from DESI DR1, SDSS DR7 and SDSS DR12 sources. The raw files were examined to identify the relevant fields, catalogue structures, algorithms and available boundary information. I developed a common data structure covering void position, redshift, comoving coordinates, effective radius, ellipticity, density contrast, significance, member-galaxy count and edge status. The data were cleaned and merged into a single table containing 200 selected cosmic voids across REVOLVER, VIDE, ZOBOV and VoidFinder catalogues. A size-based selection method was applied to include large, medium, small and randomly selected interior voids from each catalogue group. Where edge information was available, boundary voids were excluded to maintain the quality of the selected sample. The final package also included 19,172 member-galaxy records for 75 selected voids and boundary-surface data for 24 voids. Supporting visualisations were prepared to present the sky distribution, comoving-space distribution and member-galaxy structure of the selected voids.
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Cover image for This presentation was developed from
This presentation was developed from scratch to demonstrate how AI can be practically integrated into the SMI Pay engineering workflow. The objective was to evaluate existing development challenges, identify areas where AI can add value, compare leading AI tools, and recommend an adoption approach aligned with the team's day-to-day engineering activities. The presentation was structured by analysing the complete engineering lifecycle, including system understanding, onboarding, repetitive development work, context switching, production debugging and technical documentation. The content was organised into a logical flow, supported by comparison frameworks, process diagrams, adoption models and implementation recommendations tailored to the SMI Pay environment. The complete presentation, including the storyline, content structure, technical writing, visual layout, icons, diagrams, colour scheme and information hierarchy, was developed to communicate technical concepts in a clear and executive-friendly format while maintaining consistency throughout the deck.
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Cover image for This presentation was developed based
This presentation was developed based on the technical inputs, discussion notes and presentation script provided by the company's Vice President. The objective was to transform the technical information into a structured, presentation-ready document while preserving the intended technical context and sequence. The presentation was structured by organizing the overall storyline, refining the content, developing the slide flow and converting technical concepts into clear visual representations. This included preparation of system architecture, system context, payment workflows, payment state machine, root-cause analysis, APIM timeout analysis, asynchronous processing flow, implementation roadmap, comparison matrices and other supporting diagrams. In addition to the content structuring, the complete presentation was designed with a consistent visual identity, including layout, typography, colour scheme, icons, diagrams and information hierarchy. The final deliverable was reviewed to ensure logical flow, consistency of technical terminology and overall presentation quality.
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Cover image for Ward Climate Adaptation
Ward Climate Adaptation
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