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I am a backend Software Engineer with 4+ years of experience building scalable, high-performance systems using Go. Proven track record in fintech and distributed systems, focusing on performance optimization, reliability, and cost efficiency. Experienced in cloud-native architectures, microservices, and DevOps practices, with a strong ability to deliver impactful solutions in remote, collaborative environments.…I am a backend Software Engineer with 4+ years of experience building scalable, high-performance systems using Go. Proven track record in fintech and distributed systems, focusing on performance optimization, reliability, and cost efficiency. Experienced in cloud-native architectures, microservices, and DevOps practices, with a strong ability to deliver impactful solutions in remote, collaborative environments.

Kazi Fardin Islam Abir

Back-End Developer, Full Stack Developer, Front-End Developer, +2

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I am a backend Software Engineer with 4+ years of experience building scalable, high-performance systems using Go. Proven track record in fintech and distributed systems, focusing on performance optimization, reliability, and cost efficiency. Experienced in cloud-native architectures, microservices, and DevOps practices, with a strong ability to deliver impactful solutions in remote, collaborative environments.…I am a backend Software Engineer with 4+ years of experience building scalable, high-performance systems using Go. Proven track record in fintech and distributed systems, focusing on performance optimization, reliability, and cost efficiency. Experienced in cloud-native architectures, microservices, and DevOps practices, with a strong ability to deliver impactful solutions in remote, collaborative environments.

Available to hire

I am a backend Software Engineer with 4+ years of experience building scalable, high-performance systems using Go. Proven track record in fintech and distributed systems, focusing on performance optimization, reliability, and cost efficiency. Experienced in cloud-native architectures, microservices, and DevOps practices, with a strong ability to deliver impactful solutions in remote, collaborative environments.

Skills

Experience Level

Expert

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Intermediate

Language

Work Experience

Software Engineer II at Venturas Ltd

January 1, 2025 - Present

Led offshore development for a fintech media client, ensuring timely delivery and team coordination. Improved RSS feed ingestion speed by 3x through asynchronous processing and architectural refinements. Led Redis to Valkey migration, cutting AWS ElastiCache costs by ~20% while ensuring uninterrupted user interactions.

Software Engineer I at Digital Payments Ltd (Pathao Pay)

January 1, 2023 - January 1, 2025

Integrated payment gateways to provide a seamless wallet experience to 8 million users on Pathao Pay. Secured tokenized payments with RSA cryptography, reducing vulnerabilities across 70% of payment APIs. Leveraged Grafana/Kibana for load testing and benchmarking that resulted ~25x boost in large-scale load generation. Refactored data model of fund service, leading to a 30% reduction in table size.

Specialist, Technical Assurance at Robi Axia Ltd

May 1, 2022 - December 1, 2022

Optimized queries and procedures of Oracle PL/SQL, reducing execution time by 15%. Automated 20+ reconciliation jobs and gray traffic barring system using Shell Scripts. Upgraded VoIP detection model that reduced operational time and human efforts by 80%.

Programming Instructor at MojaRu

February 1, 2021 - August 1, 2021

Successfully trained 120+ school students under the 'Programming for Juniors' course at MojaRu.

General Secretary at Khulna University

January 1, 2020 - January 1, 2021

Conducted several technical workshops and programming contests for CLUSTER (Club for Updated Search on Computer) at Khulna University.

Specialist, Technical Assurance at Robi Axiata Ltd

May 1, 2022 - December 1, 2022

Optimized queries and procedures of Oracle PL/SQL, reducing execution time by 15%. Automated 20+ reconciliation jobs and gray traffic blocking system using Shell Scripts. Upgraded VoIP detection model that reduced operational time and human effort by 80%.

General Secretary at Cluster (Club for Updated Search on Computer) – Khulna University

January 1, 2020 - January 1, 2021

Led technical workshops and programming contests for the computer science student club.