Senior .NET Engineer
., Warszawa +4 Locations
GoSolve
We’re GoSolve – a global company specialised in transforming our customers’ vision into digital applications. We love building large-scale cloud-based digital products and have the necessary skills to make it happen. Join us and work with the top tech talents from all over the globe in a driven, proactive environment. Do you wish to join a stable product development project? You will be a perfect fit!
Just GO for it.
GoSolve is a part of Ciklum, a global digital engineering and technology partner that empowers enterprises to innovate at speed and scale. With over 4,000 skilled developers, designers, engineers, and data scientists worldwide, Ciklum delivers next-generation solutions in cloud engineering, product development, data, AI, and DevOps for some of the world’s most ambitious companies.
We’re looking for a Senior .NET Engineer who designs, develops, and optimizes scalable and secure backend systems. This role blends strong expertise in C#/.NET, databases, and distributed architectures with a focus on clean code, testing practices, and cloud-native solutions.
As a Senior Engineer, you’ll shape technical direction, contribute to architectural decisions, and deliver reliable, high-performance software. You’ll also collaborate across teams, drive process improvements, leverage AI-assisted coding tools, and mentor junior developers.
Localization: EU, Ukraine
Responsibilities:
Back-end development of new functionality
Participating in code and architectural reviews, documenting architecture
Communicating with stakeholders: PMs, developers, architects, QA engineers and other colleagues
Proactive position in solution development, processes improvements
Delivering the product roadmap and planning for the future
Handle complex problems that might arise during solution development and provide field support with creative and rapid solutions
Ensure that the highest coding standards are met and write highly testable, automatable and performant code over the whole SDLC
Accelerated and Productive Development using AI Tools
Skills&Requirements:
More than 4 years of experience in commercial software development
Excellent knowledge of computer science and computing theory:
OOP, DDD, SOLID, TDD, BDD
Database theory (RDBMS, NoSQL)
Algorithms and data structures
Design, architectural and enterprise pattern
Understanding of network protocols and conventions (e.g. HTTP, REST), authentication and authorization flows and practices
Experience with NoSQL (e.g. Mongodb, DynamoDB)
Knowledge of key-value storages (e.g. Redis, Memcached)
Basic knowledge of containerization and orchestration (Docker, Kubernetes)
Excellent knowledge and experience with C# and .NET
Should possess exposure and hands on experience with AI tools preferably github copilot, and additionally exposure to Vibe coding
Commercial experience with:
.NET Framework, .NET Core, ASP.NET (Core, MVC, WebAPI)
ORM (e.g. Entity Framework, Dapper)
RDBMS (especially SQL Server)
Messaging systems (e.g. RabbitMQ, ServiceBus)
Cloud providers (e.g. Azure)
Testing frameworks (e.g. NUnit, XUnit, MSTest)
Web Servers
Version control systems (e.g. GIT)
Upper-intermediate English or above
Ability to relate positively to and engage with a wide range of people
Strong self-motivation, reliable and flexible team-player. High attention to details
Always seeking to improve processes and suggest alternative better solutions
Be ready to embrace change, be flexible
Ability and willingness to mentor more junior team members
Nice to have
Experience with Search Engines (e.g. ElasticSearch, Azure Search)
Experience with REST API development for mobile application
Experience with integration with 3rd party solutions
All official emails from GoSolve come only from @gosolve.io — do not trust messages from any other domain. If in doubt, contact us directly at it@gosolve.io.
Benefits:
Be a part of the team that works for the most influential global brands.
Opportunities to create industry-defining services using the latest technologies.
Responsible position – leverage your knowledge beyond simple coding.
Advise customers on optimal solutions – we trust your expertise!
No rush! Work at your own pace in a quality-over-quantity environment.
Collaborate with highly experienced professionals.
Numerous opportunities for professional growth.
Full-time remote work from anywhere in the world...
…or, if you enjoy the office ambiance more, from the WeWork office.
Monthly budget for social benefits – tailored to your location and lifestyle.
20 days of paid time off.
Annual training budget.
GDPR DATA PRIVACY NOTICEIn accordance with Article 13(1) and (2) of the GDPR, we inform you that: 1. The controller of your personal data is the entity indicated in the job offer. 2. We will process your personal data for the purpose of conducting the recruitment process for the position indicated in the job offer, and if you have given consent in this regard, also for the purpose of conducting future recruitment processes. 3. You have the right to: access your data and request its rectification, erasure, restriction of processing, the right to data portability, and the right to object to the processing of your data. 4. We do not engage in automated decision-making or profiling. 5. For more information on how we process your personal data, please refer to the full text of the Information Clause for Job Candidates.
Senior .NET Engineer
Senior .NET Engineer
., Warszawa
GoSolve