.Net Developer

Trinetix

Mid-Level .NET C# Developer building robust APIs and web services at Trinetix. Collaborating with teams to design and maintain scalable APIs using OData and Entity Framework.

Posted 6/11/2026full-timeRemote • 🇵🇱 PolandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

Entity Framework.NETPostgresSQLSubversion

About the role

Key responsibilities & impact

API Development: Design, develop, and maintain RESTful APIs with a focus on OData integration, enabling efficient querying and data retrieval.
OData Implementation: Utilize OData to expose data from various sources, allowing clients to query and manipulate data efficiently via HTTP requests.
Entity Framework: Work with Entity Framework to create, update, and query data models, ensuring efficient database interactions and optimal performance.
SQL Query Writing: Write complex SQL queries to interact with relational databases, optimize performance, and ensure data consistency.
System Design & Architecture: Participate in designing scalable, high-performance architectures for APIs and backend systems.
Code Quality: Write clean, maintainable, and well-documented code, following industry best practices and company standards.
Collaboration: Work closely with other developers, product managers, and QA engineers to deliver high-quality features on time.
Troubleshooting & Debugging: Identify, troubleshoot, and resolve technical issues, bugs, and performance bottlenecks in a timely manner.
Continuous Improvement: Stay up-to-date with the latest developments in .NET technologies, OData, Entity Framework, and SQL, and apply best practices to improve system performance, reliability, and scalability.

Requirements

What you’ll need

Proven Experience: 3+ years of experience in .NET C# development, with a focus on building APIs and working with web services.
OData Expertise: Solid understanding and hands-on experience in implementing and consuming OData APIs.
Entity Framework: Experience working with Entity Framework to map data models to database schemas and interact with relational databases.
SQL Proficiency: Strong ability to write and optimize complex SQL queries and work with relational databases (e.g., SQL Server, PostgreSQL, etc.).
Web API Knowledge: Familiarity with RESTful API principles and experience working with technologies like JSON, HTTP, and Web API frameworks.
Version Control: Experience using version control systems like Git or SVN.
Problem Solving: Strong analytical and debugging skills, with the ability to troubleshoot and optimize code for performance and reliability.
Collaboration Skills: Excellent communication and teamwork skills to collaborate effectively with cross-functional teams.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Trinetix Website LinkedIn All Job Openings 501 - 1000 employees 🏢 Enterprise Enterprise
AI
Software Development Trinetix is a trusted digital product partner to world-renowned enterprises and fast-growing brands globally. With 13 years of industry experience and over 900 talents globally, Trinetix specializes in transforming operational, business, and tech models to create 360-degree value. They offer a range of services such as AI and generative AI services, enterprise software development, experience design, and intelligent automation. Trinetix helps clients navigate digital transformation with ease, focusing on innovation and tech excellence to unlock growth opportunities and broaden strategic horizons. Their key industries include professional services, logistics, healthcare, and financial services, among others. .Net Developer 🔥 1 hour ago 🇵🇱 Poland – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer Entity Framework Postgres SQL Subversion .NET Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
API Development: Design, develop, and maintain RESTful APIs with a focus on OData integration, enabling efficient querying and data retrieval.
OData Implementation: Utilize OData to expose data from various sources, allowing clients to query and manipulate data efficiently via HTTP requests.
Entity Framework: Work with Entity Framework to create, update, and query data models, ensuring efficient database interactions and optimal performance.
SQL Query Writing: Write complex SQL queries to interact with relational databases, optimize performance, and ensure data consistency.
System Design & Architecture: Participate in designing scalable, high-performance architectures for APIs and backend systems.
Code Quality: Write clean, maintainable, and well-documented code, following industry best practices and company standards.
Collaboration: Work closely with other developers, product managers, and QA engineers to deliver high-quality features on time.
Troubleshooting & Debugging: Identify, troubleshoot, and resolve technical issues, bugs, and performance bottlenecks in a timely manner.
Continuous Improvement: Stay up-to-date with the latest developments in .NET technologies, OData, Entity Framework, and SQL, and apply best practices to improve system performance, reliability, and scalability. 🎯 Requirements
Proven Experience: 3+ years of experience in .NET C# development, with a focus on building APIs and working with web services.
OData Expertise: Solid understanding and hands-on experience in implementing and consuming OData APIs.
Entity Framework: Experience working with Entity Framework to map data models to database schemas and interact with relational databases.
SQL Proficiency: Strong ability to write and optimize complex SQL queries and work with relational databases (e.g., SQL Server, PostgreSQL, etc.).
Web API Knowledge: Familiarity with RESTful API principles and experience working with technologies like JSON, HTTP, and Web API frameworks.
Version Control: Experience using version control systems like Git or SVN.
Problem Solving: Strong analytical and debugging skills, with the ability to troubleshoot and optimize code for performance and reliability.
Collaboration Skills: Excellent communication and teamwork skills to collaborate effectively with cross-functional teams. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Backend Developer, Node.js, JavaScript, TypeScript 🔥 5 hours ago Action1 51 - 200 ☁️ SaaS 🔒 Cybersecurity 🏢 Enterprise Website LinkedIn All Job Openings Backend Developer designing and coding APIs as part of a development team for high-load applications. Involves backend development, testing, and code optimization at a rapidly growing software company. 🇵🇱 Poland – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer AWS Docker DynamoDB EC2 JavaScript MySQL Node.js TypeScript Software Engineer, AI, Python, TypeScript 🔥 5 hours ago Cross Border Talents 201 - 500 🎯 Recruiter 👥 HR Tech Website LinkedIn All Job Openings Software Engineer developing AI agents for a rapidly growing startup focused on AI solutions. Collaborating with founders and building core infrastructure for enterprise AI products. 🇵🇱 Poland – Remote ⏰ Full Time 🟢 Junior 🟡 Mid-level 🔙 Backend Engineer Python React TypeScript Python Developer 🔥 6 hours ago Idego Group 51 - 200 🤖 Artificial Intelligence ☁️ SaaS Website LinkedIn All Job Openings Join Idego Group as a programmer. Work with technologies in a pleasant team atmosphere. 🇵🇱 Poland – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer Senior Software Engineer, Python 🔥 8 hours ago Akamai Technologies 5001 - 10000 🔒 Cybersecurity Website LinkedIn All Job Openings Senior Software Engineer optimizing workload placement in Akamai's compute platform alongside Agile team. Improving software efficiency with Python and SQL whilst implementing microservices. 🇵🇱 Poland – Remote 💰 Post-IPO Equity on 2001-07 ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Python SQL Python Software Engineer II 🔥 8 hours ago Akamai Technologies 5001 - 10000 🔒 Cybersecurity Website LinkedIn All Job Openings Software Engineer II working on optimizing cloud workload placement at Akamai. Responsible for implementing and testing software solutions in cloud infrastructure. 🇵🇱 Poland – Remote 💰 Post-IPO Equity on 2001-07 ⏰ Full Time 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer Python SQL View More Backend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

.NETC#API DevelopmentODataEntity FrameworkSQLSQL ServerPostgreSQLRESTful APIsWeb API

Soft Skills

CollaborationProblem SolvingAnalytical SkillsDebugging SkillsCommunication SkillsTeamwork