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Senior Backend Developer (.NET, C # at Smartcat – Europe – Remote

Remote / Online - Candidates ideally in
Mission, Johnson County, Kansas, 66201, USA
Listing for: Victrays
Remote/Work from Home position
Listed on 2025-12-22
Job specializations:
  • IT/Tech
    Data Analyst, AI Engineer, Data Security, Data Scientist
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below
Position: Senior Backend Developer (.NET, C#) at Smartcat – Europe – Remote

Senior Backend Developer (.NET, C#) at Smartcat – Europe – Remote About Smartcat

Smartcat is on a mission to become the wall-to-wall Language AI platform, addressing the diverse needs in multilingual content for various user personas within global enterprises.

Smartcat is uniquely positioned within the $100+ billion multilingual content industry, which is currently served by tens of thousands of agencies. This results in a highly fragmented and inefficient supply chain, high costs, unacceptable turnaround times, and quality issues. Using highly qualified internal resources to translate or create multilingual content (in sourcing) solves the quality problem for enterprises, but if done manually, it can’t solve for scalability, high cost, and slow turnaround.

Smartcat changes the ROI equation in favor of in sourcing with its Language AI platform for enterprise end-users. It delivers high-quality, instantaneous AI translations or generates new content in any language by tapping into a customer-specific multilingual content library. The AI output is further refined through human editing by the client’s internal reviewers or experts from the Smartcat’s embedded global marketplace of linguists and content editors.

This AI output continuously improves through the editing feedback loop, ensuring consistent and customer-tailored results.

More than 1,000 global companies including ~20% of the Fortune 1,000 trust Smartcat to communicate their innovations and ideas all over the world.

As a dynamic Series C company, Smartcat is growing at 130% YoY, thanks to the high and quick ROI it delivers to global enterprises. It’s well‑funded by notable VCs, and is capital efficient, offering a unique blend of hyper-growth potential with downside protection and the capacity for long‑term planning and strategy.

Mission

As a Senior Backend Engineer, you’ll be at the forefront of enhancing our platform’s capabilities. You’ll design and implement scalable, high-performance backend services that power critical features for our growing client base.

Outcomes
  • Design, develop, and deploy backend services and APIs that solve real-world customer challenges
  • Optimize application performance, scalability, and security
  • Collaborate with product managers, frontend engineers, and Dev Ops to ensure seamless integration of services
  • Troubleshoot and resolve production issues efficiently
  • Actively participate in code reviews, knowledge sharing, and continuous learning
Requirements
  • 8+ years of proven professional experience as a Software Engineer, with at least 3 years in .NET and C#
  • 2+ years of experience in product companies (SaaS)
  • Passion and strong skill for writing clean, maintainable, and testable code and well-documented C# code
  • Experience with writing and maintaining Unit tests and E2E tests
  • Advanced experience with MongoDB
  • Upper-intermediate or higher English proficiency (written and spoken)
  • Experience with usage of the LLM-based solutions in daily workflow (ChatGPT, CoPilot, Jet Brains AI Assistant, etc).
  • Strong problem-solving skills and a growth mindset
  • Readiness to thrive in a fast-paced startup environment with extreme focus, a strong sense of ownership, and determination
  • Openness to constructive feedback and value the ideas and opinions of others
Our technologies
  • Cloud Provider:
    Amazon AWS
  • Monitoring & Logging: ELK (EFK), Prometheus, Grafana
Why joining Smartcat might be your best move so far
  • Fully remote team
    We are a global team of 200+ enthusiastic people spread across 30+ countries. We have been fully remote since 2020, with some locations populated with more Smart caters than others, such as Boston, NYC, SF, the Bay Area, London, and Lisbon.
  • Innovating a $100 Billion industry
    Smartcat’s innovative approach towards multilingual content, taps into a $100B industry. Our platform enables enterprise end users to stop using traditional outsourcing methods, and start enjoying an easy-to-use, AI-powered SaaS, that delivers immediate high-quality results, at a fraction of the cost.
  • High impact role enabling innovation and inclusion in organizations
    You will enjoy building with us. You will drive changes in how an old-fashioned global language industry operates…
Position Requirements
10+ Years work experience
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