.NET developer

ALTEN; Warszawa; On-site; PLN 150,000 - 240,000; Full time

Benefits offered by this job

Medicover medical care

Medicover dental care

Medicover Benefits platform / Medicoer

layette for a newborn employee’s child

group life insurance

pension scheme

Job summary

ALTEN – глобальный лидер в инженерных и IT-услугах ищет Senior .NET разработчика в Варшаве для работы с клиентом из логистики. Ваша задача — поддерживать и развивать Windows Service на C#, .NET Framework, реализовывать многопоточность и обработку данных, а также совершенствовать интеграцию через WCF/SOAP и REST.

Требуется 5+ лет опыта, владение C# и .NET Framework 4.x, SQL Server, T-SQL, AutoMapper, DI (Unity) и тестирование.

Qualifications

• 5+ лет опыта работы .NET разработчиком или в аналогичной роли
• Сильное владение C# и .NET Framework 4.x, Windows Services и многопоточностью
• Опыт работы с Microsoft SQL Server, T-SQL, отладкой блокировок
• Опыт работы с WCF/SOAP и интеграциями, XML/XSD
• Опыт маппинга объектов (AutoMapper) и внедрения DI

Responsibilities

• Поддержка и развитие Windows Service (C#, .NET Framework), обработка импорта/экспорта
• Разработка и оптимизация доступа к данным в SQL Server, хранимые процедуры, Dapper
• Поддержка соответствий канонических моделей и интеграций через AutoMapper
• Обслуживание WCF/SOAP сервисов и управление точками входа
• Обеспечение качества через модульное и интеграционное тестирование
• Документация решения и участие в модернизации кода и архитектуры

Skills

C#

NET Framework 4.x

Windows Services

Multithreading (Task Parallel Library)

SQL Server

T-SQL

WCF/SOAP

AutoMapper

DI (Unity)

Tools

REST

Job description

Описание: ALTEN – A Global Leader in Engineering and IT Services Founded in France in 1988, the ALTEN Group is a leading technological partner serving the world’s largest clients. I am looking for experienced specialists for an Senior .NET Developer position for our client in the logistics industry.

Задачи:

• Maintain and extend the Windows Service (C#, .NET Framework), including its multi-threaded, timer-driven import and export processing.
• Develop and optimise SQL Server data access: stored procedures, Dapper-based repositories, and handling of deadlocks, locking and performance issues.
• Maintain mappings between canonical data models for shipments, status events, milestones and customs declarations, using AutoMapper and custom merge logic.
• Maintain and update WCF/SOAP integrations, such as the DAAC master data and configuration services and the export service agents.
• Provide 2nd/3rd-level production support: analyse data issues, reprocess or correct records, and resolve incidents together with operations and business teams.
• Document the current solution and contribute to its modernisation roadmap, e.g. migrating to modern .NET, standard dependency injection and REST-based integrations.
• Drive quality through unit and integration testing

Требования:

• You are an experienced, quality-focused developer who is comfortable working with established enterprise systems, enjoys solving complex data problems, and communicates clearly with both technical and business stakeholders.
• 5+ years of proven experience as a .NET Developer, Software Engineer, or in a similar role.
• Strong proficiency in C# and .NET Framework 4.x, including Windows Services, multithreading with the Task Parallel Library.
• Solid experience with Microsoft SQL Server and T-SQL: backup, stored procedures, query tuning, transactions, isolation levels and deadlock analysis.
• Hands-on experience with WCF/SOAP services, including generating and maintaining service references and configuring bindings and endpoints.
• Experience with XML serialization and XSD schemas, XLST maps, and with object mapping libraries such as AutoMapper.
• Familiarity with dependency injection (e.g. Unity)

Условия:

• a full-time contract (B2B/employment contract) well-defined career path at the European leader in engineering & IT consulting participation in company conferences, trainings, workshops, integration meetings, etc. certification and training opportunities opportunity to relocate and work in different ALTEN Polska branches after completion of the project, opportunity to engage in a subsequent one within the company. introduction and cooperation with dedicated Business Development Manager work in company with #GreatePlaceToWork
• Medicover medical care
• Medicover dental care
• Medicover Benefits platform / Medicover Sport card employee referral program
• layette for a newborn employee’s child
• group life insurance
• pension scheme