Backend developer .NET in insurance

Andersen; United States; Hybrid; USD 78,000 - 123,000; Full time

Benefits offered by this job

Remote work

Hybrid option

Mentoring program

Annual bonus up to 1000 EUR

Private health insurance

Training portal access

Team events

Certification reimbursement

Job summary

Andersen приглашает Senior Backend Developer (.NET) для проекта в ЕС, разворачивающего цифровую страховую платформу и безопасные, масштабируемые API. Вы будете проектировать микросервисы на .NET 8, заниматься интеграциями и настройкой рабочих процессов.

Мы ищем эксперта с опытом в Azure, EF Core, тестировании и контейнеризации. Предлагаем гибридный/удалённый формат, возможность карьерного роста, обучение и бонусы.

Qualifications

• Опыт не менее 5 лет C#/ .NET, работа с микросервисами.

Responsibilities

• Проектирование и сборка .NET 8 микросервисов с использованием FastEndpoints и чистой архитектуры.

Skills

C# / .NET

Microservices design

Azure

EF Core

Unit testing

API development

Education

Bachelor's degree in Computer Science or related

Tools

Docker

Kubernetes

OpenAPI/Swagger

Azure DevOps

Serilog

Job description

Описание:

Andersen is hiring a Senior Backend Developer (.NET) in the EU for a project developing a digital insurance platform and delivering secure, scalable APIs and seamless system integrations. The customer is a large international organization operating in the insurance and risk protection domain, providing a wide range of services for both individual and corporate clients.

Задачи:

• Designing and building .NET 8 microservices – FastEndpoints, clean architecture (Domain / Application / Infrastructure / API layers).
• Implementing Temporal workflow orchestration – typed workflow and activity interfaces, cross-task-queue dispatch, signal/query patterns.
• Building rules evaluation integrations with GoRules ZEN engine (GoRules.Zen NuGet, Rust FFI in-process).
• Developing platform capabilities – config registry, rules API, workflow gateway, payment and policy adapters.
• Implementing cross-cutting concerns – Managed Identity service-to-service auth, Cerbos authorization integration, structured logging via Serilog/Anotar.
• Writing and maintaining xUnit tests – FakeItEasy for mocking, Shouldly for assertions; integration tests against real dependencies (no mock DB).
• Collaborating with platform and domain teams on API contracts, OpenAPI specs, and shared NuGet libraries.

Требования:

• Commercial experience with C# / .NET for 5+ years.
• Strong hands-on experience with .NET 8.
• Experience designing and developing microservices.
• Experience with workflow orchestration and background job processing using tools such as Hangfire, Quartz.NET, or similar solutions.
• Experience with API development using ASP.NET Core Web API, Minimal APIs, or frameworks similar to FastEndpoints.
• Strong understanding of Clean Architecture, SOLID principles, and layered architecture.
• Strong understanding of distributed systems and asynchronous processing.
• Experience with system design, transactions, concurrency, idempotency, and error handling.
• Strong hands-on experience with Azure.
• Strong experience with Entity Framework Core.
• Experience writing unit and integration tests.
• Experience with Docker and containerized development.
• Ability to independently and quickly learn new technologies and libraries.
• Willingness to study project‑specific libraries before the technical interview.
• Level of English – Intermediate+ and above.

Будет плюсом:

• Experience with GoRules ZEN, JDM, and ZEN expressions.
• Experience with Cerbos.
• Experience with JSONata .NET.
• Experience with Azure Key Vault, Managed Identity, Blob Storage, and Application Insights.
• Experience with xUnit, FakeItEasy, and Shouldly.
• Experience with Podman / Podman Compose.
• Experience with ASP.NET Core Minimal APIs.
• Experience with Kafka and event-driven architecture.
• Experience with SOAP/WCF integrations.
• Experience with Result/Maybe patterns.
• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others.

Условия:

• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn up to an additional 1,000 EUR per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• Private health insurance and sports compensation, depending on the type of employment.