# .NET Engineer at JustMarkets

.NET Engineer at JustMarkets in Remote. Remote. Posted September 2, 2026.

- Company: JustMarkets
- Location: Remote
- Workplace: Remote
- Experience: 5+ years
- Posted: 2026-09-02
- Apply: https://job-boards.eu.greenhouse.io/justmarkets/jobs/4966562101
- Source: https://jobmagic.ai/jobs/net-engineer-justmarkets-zf2a30

## 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

## Description

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)