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Open nowPosted 53 days agoWe saw it 107 min after it went up

.NET Engineer

JustMarkets120 open roles

Where
Remote
Work mode
Remote
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Your applicationOpen now.NET EngineerJustMarkets · Remote

  1. YouYes, apply to this one.

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. JustMarkets postings stay open a median of 45 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 57.8%60 days
This job: posted 53 days ago

JustMarkets median: 45 days open

The posting

We are looking for a .NET Engineer to join us in developing and expanding our fintech product. You’ll become part of a team with strong expertise in research, analysis, and product development, working on scalable, high-traffic systems where technology and data play a key role in shaping the product.

We combine deep technical expertise, data-driven decision-making, and a strong focus on continuous improvement to build innovative solutions that address real-world challenges in the fintech industry. If you enjoy solving complex engineering problems, working with modern technologies, and seeing your ideas make a tangible impact, we’d love to hear from you.

Our technology stack: C#, .NET 10, PostgreSQL, Redis, ClickHouse for big data storage and analytics, REST and GraphQL APIs, RabbitMQ, Apache Kafka, Docker, Kubernetes, AWS. GitLab, ArgoCD. Jira, Confluence, AI tools (ex. Claude Code).

Responsibilities:

  • Design, develop and maintain scalable solutions for high-traffic systems using C# and modern .NET
  • Analyze business and technical requirements and translate them into scalable, maintainable software architectures
  • Collaborate with engineers and cross-functional stakeholders to design and deliver features
  • Write clean, maintainable, testable, and well-documented code, supported by unit, integration and load tests
  • Investigate production issues and improve system observability through effective use of logs, metrics, traces and business data
  • Research and introduce new technologies, tools and engineering practices that can improve product quality and development efficiency
  • Challenge existing approaches and actively contribute to the continuous improvement of the team, processes and product

Requirements:

  • 5+ years of сommercial experience with C# and modern .NET
  • Solid understanding of OOP, design patterns, data structures and algorithms, and software architecture
  • Hands-on experience with multithreading and asynchronous programming
  • Strong hands-on experience building and operating production systems, preferably high-load and highly available
  • Practical experience with distributed systems, event-driven architectures, and real-time/low-latency data processing, using tools such as RabbitMQ and Kafka
  • Strong understanding of scalability, reliability, and performance optimization — including autoscaling, performance tuning, and identifying/resolving system bottlenecks
  • Strong experience with relational (preferably PostgreSQL) and NoSQL databases
  • Experience designing and implementing APIs using REST, GraphQL, or gRPC
  • Hands-on experience with Entity Framework
  • Hands-on experience with Docker and solid understanding of Kubernetes concepts
  • Experience with AWS or other cloud platforms
  • Experience writing unit and integration tests, familiarity with TDD practices
  • Experience with any tools for continuous integration and delivery (preferably GitLab and ArgoCD)
  • Comfortable working in a fast-paced Agile environment
  • Understanding of modern AI capabilities and limitations, with hands-on experience using AI-powered coding assistants or agents
  • English proficiency at B1 level or higher for technical discussions and documentation

Will Be a Plus:

  • Experience with ClickHouse or other analytical databases for large-scale data processing
  • Experience with Infrastructure as Code tools such as Terraform
  • Experience with fintech, trading, or other high-load domains

We offer:

  • Tax expenses coverage for private entrepreneurs in Ukraine
  • Expert support and guidance for Ukrainian private entrepreneurs
  • 20 paid vacation days per year
  • 10 paid sick leave days per year
  • Public holidays as per the company's approved Public holiday list
  • Medical insurance
  • Opportunity to work remotely
  • Professional education budget
  • Language learning budget
  • Wellness budget (gym membership, sports gear and related expenses)
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