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Backend Developer with 7 years of hands-on experience, specializing in .NET, C# and databases including MSSQL, PostgreSQL, Redis, and MongoDB. Worked on all levels of software engineering lifecycle from developing web product features and internal tools to microservices design. My frequent responsibilities include designing and implementing API, web services optimization, database schemas, authentication and authorization, external service integrations and routine automation. I’m proud for my ability to quickly adapt to diverse business areas and acquire out-of-scope technologies, working with CI/CD, infrastructure tools and various approaches to databases and API schemas. Adhering to best coding practices such as SOLID, DRY etc. design patterns and various architecture principles such as Clean Architecture, DDD, CQRS etc. Hands-on experience designing and implementing CI/CD pipelines using GitHub Actions, GitLab and also experience with configuring Kubernetes cluster. Skills & Technologies: C# | JavaScript | Go | Python | .NET | ASP.NET | Entity Framework | NUnit | XUnit | MS SQL | PostgreSQL | MongoDB | Docker | Kubernetes | Nginx | RabbitMQ | Redis | CQRS | DDD | Clean Architecture | GitLab | Azure | Amazon S3…Backend Developer with 7 years of hands-on experience, specializing in .NET, C# and databases including MSSQL, PostgreSQL, Redis, and MongoDB. Worked on all levels of software engineering lifecycle from developing web product features and internal tools to microservices design. My frequent responsibilities include designing and implementing API, web services optimization, database schemas, authentication and authorization, external service integrations and routine automation. I’m proud for my ability to quickly adapt to diverse business areas and acquire out-of-scope technologies, working with CI/CD, infrastructure tools and various approaches to databases and API schemas. Adhering to best coding practices such as SOLID, DRY etc. design patterns and various architecture principles such as Clean Architecture, DDD, CQRS etc. Hands-on experience designing and implementing CI/CD pipelines using GitHub Actions, GitLab and also experience with configuring Kubernetes cluster. Skills & Technologies: C# | JavaScript | Go | Python | .NET | ASP.NET | Entity Framework | NUnit | XUnit | MS SQL | PostgreSQL | MongoDB | Docker | Kubernetes | Nginx | RabbitMQ | Redis | CQRS | DDD | Clean Architecture | GitLab | Azure | Amazon S3

Nikita Lyubimov

Developer, Blockchain Developer, Full Stack Developer, +4

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Backend Developer with 7 years of hands-on experience, specializing in .NET, C# and databases including MSSQL, PostgreSQL, Redis, and MongoDB. Worked on all levels of software engineering lifecycle from developing web product features and internal tools to microservices design. My frequent responsibilities include designing and implementing API, web services optimization, database schemas, authentication and authorization, external service integrations and routine automation. I’m proud for my ability to quickly adapt to diverse business areas and acquire out-of-scope technologies, working with CI/CD, infrastructure tools and various approaches to databases and API schemas. Adhering to best coding practices such as SOLID, DRY etc. design patterns and various architecture principles such as Clean Architecture, DDD, CQRS etc. Hands-on experience designing and implementing CI/CD pipelines using GitHub Actions, GitLab and also experience with configuring Kubernetes cluster. Skills & Technologies: C# | JavaScript | Go | Python | .NET | ASP.NET | Entity Framework | NUnit | XUnit | MS SQL | PostgreSQL | MongoDB | Docker | Kubernetes | Nginx | RabbitMQ | Redis | CQRS | DDD | Clean Architecture | GitLab | Azure | Amazon S3…Backend Developer with 7 years of hands-on experience, specializing in .NET, C# and databases including MSSQL, PostgreSQL, Redis, and MongoDB. Worked on all levels of software engineering lifecycle from developing web product features and internal tools to microservices design. My frequent responsibilities include designing and implementing API, web services optimization, database schemas, authentication and authorization, external service integrations and routine automation. I’m proud for my ability to quickly adapt to diverse business areas and acquire out-of-scope technologies, working with CI/CD, infrastructure tools and various approaches to databases and API schemas. Adhering to best coding practices such as SOLID, DRY etc. design patterns and various architecture principles such as Clean Architecture, DDD, CQRS etc. Hands-on experience designing and implementing CI/CD pipelines using GitHub Actions, GitLab and also experience with configuring Kubernetes cluster. Skills & Technologies: C# | JavaScript | Go | Python | .NET | ASP.NET | Entity Framework | NUnit | XUnit | MS SQL | PostgreSQL | MongoDB | Docker | Kubernetes | Nginx | RabbitMQ | Redis | CQRS | DDD | Clean Architecture | GitLab | Azure | Amazon S3

Available to hire

Backend Developer with 7 years of hands-on experience, specializing in .NET, C# and databases including MSSQL, PostgreSQL, Redis, and MongoDB. Worked on all levels of software engineering lifecycle from developing web product features and internal tools to microservices design.

My frequent responsibilities include designing and implementing API, web services optimization, database schemas, authentication and authorization, external service integrations and routine automation.

I’m proud for my ability to quickly adapt to diverse business areas and acquire out-of-scope technologies, working with CI/CD, infrastructure tools and various approaches to databases and API schemas.

Adhering to best coding practices such as SOLID, DRY etc. design patterns and various architecture principles such as Clean Architecture, DDD, CQRS etc. Hands-on experience designing and implementing CI/CD pipelines using GitHub Actions, GitLab and also experience with configuring Kubernetes cluster.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Russian

Fluent

Work Experience

Software Engineer at IBIS Web 3

May 1, 2023 - Present

IBIS is an outsourcing company specializing in blockchain and fintech software, as well as CeFi and DeFi services. I implemented integrations with third-party payment gateways, expanding payment options for users. Designed and implemented unit-testing approaches with full documentation, increasing testing speed of codebase. Developed payment gateway priority mechanism for admin panel access and role management for admin users to enhance system security and transparency. Refactored withdrawal and deposit processing service, improving request processing speed by approximately 20%. Replaced direct service calls with asynchronous events after domain model state changes, increasing pipeline efficiency by about 18%. Technology stack included C# (.NET 7-8), ASP.NET, XUnit, EF Core, MS SQL, Docker, Kubernetes, RabbitMQ, and Azure.

Software Engineer at Indacoin

May 1, 2023 - August 11, 2025

Indacoin was a crypto trading platform that also provided payment integrations. I designed and developed a 25% faster payment processing service supporting up to ~4K payments per day. Developed a new payment workflow seamlessly integrated on the client side. Implemented integrations with multiple blockchains such as Solana and Cardano, handling ~5K transactions daily. Integrated logging and Seq for log storage, boosting bug and error discovery by about 40%. Developed system API and integrated various services, exchanges, and blockchain networks via REST API, RPC, and gRPC. Eliminated bottlenecks by system redesign to speed up API and data loading; wrote documentation for new features in Confluence. Stack included C# (.NET 6), ASP.NET, NUnit, EF Core, MS SQL, Docker, Kubernetes, and RabbitMQ.

Software Engineer at Tanais, HyperUp

June 1, 2022 - August 11, 2025

Tanais is an outsourcing company with a proprietary integration bus service (HyperUp) that synchronizes data between applications and services. I co-designed and developed 'integration chains' pipeline plugins, enabling users to build flexible data synchronization workflows (~50GB data processed and ~20K requests per day). Designed and developed a plugin versioning system to enable users to activate different versions, increasing service usability and user autonomy. Refactored 60% of the HyperUp project, improving feature delivery by approximately 40% and simplifying codebase navigation. Led integration of HyperUp within Tanais, developing integration plugins, and facilitating colleague support and training, resulting in 50% faster document and information synchronization across systems. Implemented CI/CD pipelines, increasing delivery of new HyperUp versions on sandbox and production environments by ~55%. Stack included C# (.NET Core 3.1 - .NET 6), ASP.NET, XUnit, EF Core, PostgreSQL,

Software Engineer at IBIS Web3

May 1, 2023 - November 11, 2025

Software engineer working on outsourcing blockchain/fintech software with Go services and real-time payment gateway integrations; implemented integrations with third-party payment gateways; built a real-time payment provider callback service in Go (Fiber) handling ~50k+ daily requests; ensured sub-100ms latency under peak loads; added retry logic and signature validation; increased reliability by ~25%; designed unit testing approaches and full documentation; built a Go (Fiber + gRPC) monitoring service for streaming crypto transactions into the trading system; reduced detection latency from 5s+ to ~1s; introduced async events to improve pipeline throughput.

Software Engineer at Indacoin

May 1, 2023 - May 1, 2023

Designed and developed faster payment processing flow (~25% faster) and a new payment workflow; integrated workflows (~4k payments processed/day); built a Go (Fiber) service for aggregating exchange rates from multiple providers (~20k requests/day); implemented a Go Fiber backend to batch blockchain confirmations (~10k/day) and publish to RabbitMQ; integrated multiple blockchains (Solana, Cardano) (~5k transactions/day); added logging with Seq to improve issue discovery (~40% more effective); developed REST API, RPC and gRPC integrations; built multiple blockchain integrations.

Software Engineer at Tanais

June 1, 2022 - June 1, 2022

Contributed to HyperUp integration service for data synchronization; co-designed 'integration chains' plugin pipeline to enable flexible data workflows (~50 GB data/day; ~20k requests/day); developed a plugin versioning system to activate multiple versions; refactored 60% of the HyperUp project, increasing feature delivery by ~40% and simplifying codebase navigation; led integration with custom systems and trained colleagues, boosting documentation/information synchronization; implemented CI/CD pipelines increasing delivery of new HyperUp versions on sandbox or production by ~55%; introduced asynchronous events to improve pipeline throughput (~18%).

Software Engineer at Indacoin

May 31, 2023 - May 31, 2023

Designed and developed a 25% faster payment processing service and a new payment workflow (~4k payments/day). Built a Go (Fiber) service aggregating exchange rates from multiple providers (~20k requests/day). Implemented a back-end Go service to batch-process blockchain confirmations (~10k/day) and publish confirmations to RabbitMQ. Integrated multiple blockchains (Solana, Cardano) (~5k transactions/day). Implemented Seq-based logging for logs storage, increasing discovery of potential bugs by ~40%. Built system API and integrated numerous services and blockchains via REST API, RPC and gRPC. Refactored data loading and DB queries to remove bottlenecks and improve performance; documented features in Confluence.

Software Engineer at Tanais (HyperUp integration)

June 30, 2022 - June 30, 2022

Co-designed and developed the 'integration chains' pipeline plugins, enabling data synchronization workflows (~50GB/day data processed; ~20k requests/day). Implemented a plugin versioning system to support updated pipelines, increasing HyperUp usability. Refactored 60% of the HyperUp project, boosting feature delivery by ~40% and improving code navigation. Led integration with Tanais by building custom integration plugins for various systems and training colleagues, resulting in ~50% faster document and information synchronization across systems. Implemented CI/CD pipelines, accelerating delivery of new HyperUp versions on sandbox/production by ~55%.