Backend Developer

# Backend DeveloperADN Group Be an Early Applicant Contract mid Bethesda , Maryland, USPosted Today##

Role Overview ADN Group is hiring a mid-level Backend Developer. This is a contract role in Bethesda. Part of ADN Group's Backend hiring, posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.## Salary Context Salary is not disclosed in this posting. Market median for Mid-level Backend roles is $127k-$174k (based on 68 comparable listings).

Many employers share specifics during the interview process or after an initial screen.## Resume Keywords to Include Make sure these keywords appear in your resume to improve ATS scoringSQLAzure Git Hub  Actions Git Hub RESTCI/CDDev Ops Microservices Sign  up free to auto-tailor your resume with all these keywords and get a higher ATS score## Job description

Position 3:
Backend Developer We are seeking a strong Backend Developer to design, build, and scale our core data integration pipelines and serverless backend services. In this role, you will be responsible for creating high-throughput REST APIs, orchestrating automated ETL workflows, and optimizing heavy relational database layers to ensure seamless data movement across our enterprise systems.

Core Responsibilities:

* Serverless Compute:
Design, implement, and maintain scalable, event-driven microservices using Azure Functions (utilizing Http Triggers for real-time API traffic and Timer Triggers for scheduled orchestrations).
* Database & ETL Engineering:
Build and optimize complex data flows via ETL pipelines. Write high-performance SQL, design relational schemas, and develop robust stored procedures to handle critical business logic at the data layer.
* API Development:
Develop, secure, and maintain scalable, production-grade REST APIs using C# / .NET.
* System Scalability:
Monitor, tune, and optimize backend applications to ensure high availability, low latency, and efficient resource utilization under heavy transactional loads.

Required

Skills & Experience:

* C# / .NET: 4+ years of professional backend development experience building decoupled, maintainable enterprise services.
* Microsoft Azure:
Deep familiarity with serverless architecture, specifically hand-on experience deploying and configuration Azure Functions (Http and Timer bindings).
* Advanced SQL:
Strong proficiency in relational databases with deep expertise writing complex queries, tuning indexes, and authoring/debugging stored procedures.
* Data Integration:
Proven experience building ETL/ELT pipelines and integrating disparate systems via robust RESTful web services.
* Performance Mindset:
Understanding of concurrency, caching strategies, and data serialization techniques necessary for building scalable services.

Nice-to-Have:
* Experience working within the hospitality technology or Point of Sale (POS) analytics verticals.
* Knowledge of Azure monitoring tools (Application Insights) and CI/CD deployment pipelines (Azure Dev Ops / Git Hub Actions).

Note:

Local Candidate(s) preferred but Client is willing to consider out of state candidate(s) who can come for an onsite interview and relocate at their own expense from Day 1.
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