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Dosymzhan Kogabayev

@dosymzhankogabayev

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Backend engineer at InvestBanq building event-driven wealth-management systems with Go and TypeScript.

Kazakhstan

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What I'm looking for

I'm seeking Senior Backend Engineer roles, with Go preferred, either remote or in Almaty (UTC+5).

At Investbanq, I designed backend architecture for core modules of a multi-tenant wealth-management platform. I implemented financial workflows including transaction state machines with audit trails, corporate actions, and portfolio metrics.

I built event-driven processing with AWS SQS FIFO and idempotent consumers, and delivered 35+ PostgreSQL schema and data migrations with backward compatibility and safe production rollouts.

At SaleScout, I designed the backend for an automated repricing platform serving Kaspi, Ozon, Halyk Market, and Noon. I built a daily ingestion pipeline for ~2M products and made external integrations more resilient to rate limits, unstable payloads, and provider outages.

At Knowledger Lab, I designed a DDD-based microservice core using gRPC and NATS, and implemented a real-time layer with WebSockets and Durable Objects. I also review code and architecture, mentor junior developers, and conduct technical interviews.

Experience

Work history, roles, and key accomplishments

Current

Back End Developer

Current

Investbanq

Apr 2025 - Present (1 year 7 months)

• Designed the backend architecture for core modules of a multi-tenant wealth-management platform; defined service boundaries, API contracts and domain models for CRM, investor portal and financial operations.
• Built event-driven processing on AWS SQS FIFO with idempotent consumers and guaranteed ordering; offloaded heavy workloads to Redis-backed job queues and AWS Lambda with CloudWatch observa

Fullstack Developer (Backend Focus)

Knowledger Lab

Apr 2024 - Mar 2025 (11 months)

• Designed a cloud-native backend on GCP and Cloudflare: services on Cloud Run, asynchronous messaging through Pub/Sub, Cloud Storage/Cloud SQL, and separation of synchronous APIs from background workloads for independent scaling.
• Designed the microservice core of an internal business-management platform with DDD; defined bounded contexts and service contracts, used gRPC for synchronous calls, N

Fullstack Developer (Backend Focus)

SaleScout

Oct 2022 - Mar 2024 (1 year 5 months)

• Designed the backend of an automated repricing platform for Kaspi, Ozon, Halyk Market and Noon; separated marketplace adapters, pricing engine and ingestion into independent services so a single provider failure would not block other flows.
• Built a daily ETL/ingestion pipeline for ~2M products: decomposed crawling, parsing and persistence into jobs on Redis-backed queues and used MongoDB for t

Backend Developer

2Day academy

Aug 2021 - Sep 2022 (1 year 1 month)

• Designed and implemented backend modules and REST APIs for an operational back-office system; moved business rules into the server-side layer and defined service contracts, DTOs and consistent validation rules for core workflows.
• Implemented authentication/authorization and RBAC, request validation and centralized error handling; standardized secure communication between internal clients and b