Senior.NET Engineer

About the company:

Softermii (https://www.softermii.com/) is an outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries.

We have withstood multiple challenges, such as COVID-19 pandemic and war aggression against Ukraine, we have secured sustainable development processes, saved all our projects and jobs. Even more – we’re constantly growing.     

 

Every day we add new project to our portfolio in the following areas of expertise:

• Healthcare
• Real estate
• Livestream E-commerce
• Fintech (WealthTech, Capital Trading)
• Real Time Communications (RTC)

 

In addition, we develop 2 of our own solutions that help our customers get faster applications for video or audio calls (https://www.softermii.com/solutions/vidrtc) or an application for real estate with 3D visualization

(https://www.softermii.com/solutions/apartmii)

 

Company’s mission:

Softermii: Succeed Without (L) imitations

We will turn any idea into a valuable product.

 

Our plans as a company:

We want to move from a regular outsourcing business to an ecosystem of outsourcing, education and product development companies.

 

📲💻Project:

The app is a unique and easy-to-understand Betting on Horse Racing game with real-money bets and the ability to withdraw the player’s win. The speed of the horses is connected to real-time changes in the value of different real-world items, such as FIAT or stock exchange items.

 

📋Your responsibilities on the project will be:

- Backend Development: Design, develop, and maintain a scalable backend architecture for MarketRaces, ensuring high performance and reliability across mobile (iOS/Android) and web platforms.

 

- API Design & Integration: Develop and optimize RESTful APIs and WebSockets for real-time data synchronization between the game client and backend services.

 

- Market Data Processing: Implement efficient data processing solutions to integrate real-time financial market data (crypto, stocks, forex) into the game’s mechanics.

 

- Game Logic & Business Rules: Develop and refine the core game logic that links financial market movements to in-game race outcomes, ensuring accuracy and fairness.

 

- Database Management: Design and optimize database structures (SQL/NoSQL) for handling game data, user profiles, transactions, and analytics.

 

- Cloud Infrastructure & Deployment: Collaborate with DevOps to deploy and maintain backend services in a cloud environment (Azure/AWS/GCP), ensuring scalability and security.

 

- Code Quality & Best Practices: Maintain clean, maintainable, and well-documented code, following best practices for .NET development, security, and performance optimization.

 

- Collaboration & Mentorship: Work closely with front-end developers, QA, and other team members to deliver a seamless experience. Provide guidance and mentorship to junior developers.

 

-Problem Solving & Optimization: Identify performance bottlenecks, troubleshoot issues, and continuously optimize system performance and efficiency.

 

👨‍👩‍👧‍👦You can be part of the following team: Product Owner and game designer from client side, Front-end developer, Back-end developer, QA Manual, DevOps, PM

 

🕹Tools we use: Jira, Confluence, Git, Figma

 

🗞Our requirements to you it is understanding and experience with the next points:

- 5+ years of commercial experience with .Net core and related technologies in distributed serverless environments (ideally AWS).

 

- Strong experience with RESTful APIs and WebSockets – designing and implementing efficient, scalable, and secure API services for real-time applications.

 

- Expertise in database design and management – proficiency with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) databases, including performance optimization and query tuning.

 

- Experience with cloud platforms (AWS preferred) – working with AWS Lambda, DynamoDB, API Gateway, S3, SNS/SQS, and other serverless or cloud-based services.

 

- Knowledge of event-driven and distributed systems – experience with Azure Service Bus (high priority), Kafka, RabbitMQ, or AWS SQS and asynchronous processing patterns.

 

- Good understanding of authentication & security best practices – experience with OAuth, JWT, and other security standards for user authentication and data protection.

 

- Experience with CI/CD pipelines and DevOps practices – familiarity with tools like GitHub Actions, GitLab CI/CD, or AWS CodePipeline for automated testing and deployment.

 

- Understanding of real-time data processing – experience integrating financial data (e.g., WebSockets for live market data) and handling time-sensitive information efficiently.

 

- Knowledge of unit testing and test-driven development (TDD) – experience with testing frameworks like xUnit, NUnit, or MSTest.

 

- Experience with cross-platform development – understanding how backend services interact with mobile (iOS/Android) and web applications.

 

- Upper-intermediate English level.

💥It would be cool if you have experience with:

- Some experience with machine learning systems, e.g. SageMaker, integration beneficial

but not essential.

👨‍💻Who will you have the opportunity to meet during the hiring process (stages):

Call-acquaintance, HR, Tech, Final interview

What we can offer you:

1. We have stable and highly-functioning processes – everyone has their own role and clear responsibilities, so decisions are made quickly and without unnecessary approvals. 
2. You will have enough independence to make decisions that can affect not only the project but also the work of the company.
3. We are a team of like-minded experts who create interesting products during working hours, and enjoy spending free time together.
4. Do you like to learn something new in your profession or do you want to improve your English? We will be happy to pay 50% of the cost of courses/conferences/speaking clubs.
5. Do you want an individual development plan? We will form one especially for you + you can count on mentoring from our seniors and leaders.
6. Do you have a friend who is currently looking for new job opportunities? Recommend them to us and get a bonus.
7. And what if you want to relax? Then we have 21 working days off.
8. What if you are feeling bad? You can take 5 sick leaves a year.
9. Do you want to volunteer? We will add you to a chat, where we can get a bulletproof vest, buy a pickup truck or send children's drawings to the front.
10. And we have the most empathetic HRs (who also volunteers!). So we are ready to support your well-being in various ways.

 

A little more information that you may find useful:

• our adaptation period lasts 3 months, this period of time is enough for us to understand each other better;
• there is a performance review after each year of our collaboration where we use a skills map to track your growth;
• we really have no boundaries in the truest sense of the word – we have flexible working day, remote or office is up to you.

 

Of course, we have a referral bonus system. So if you have a friend who likes our job opening, you can give us their telegram contact, and we in turn will thank you with a bonus if we start working with them!