Senior API Engineer (.NET, GraphQL) - Azure - English Required

Reposted 22 Days Ago
Be an Early Applicant
6 Locations
In-Office or Remote
Senior level
Information Technology • Software
The Role
As a Senior API Engineer, you will design, build, and optimize GraphQL APIs while ensuring performance, reliability, and maintainability. You'll collaborate with teams on the infrastructure and support of high-performance backend services in Microsoft Azure.
Summary Generated by Built In

Work at DaCodes!
We are a high-impact software and digital transformation firm.
For over 10 years, we have built technology-driven solutions powered by innovation, thanks to our team of nearly 300 talented #DaCoders, including developers, architects, UX/UI designers, PMs, QA testers, and more. Our team collaborates on projects with clients across LATAM and the United States, delivering outstanding results.
At DaCodes, you’ll have the opportunity to accelerate your professional growth, work on diverse projects across multiple industries, and contribute to the design, implementation, and optimization of cloud-based infrastructures.
Our DaCoders play a critical role in the success of our business and our clients. You’ll be the expert contributing to impactful projects and working with disruptive startups and global brands.
Interested?

As a Senior API Engineer (.NET, GraphQL), you will take full ownership of mission-critical APIs, designing, building, and operating high-performance, scalable GraphQL and backend services running in production on Microsoft Azure.

This role goes beyond implementation. You will be accountable for API performance, reliability, scalability, and long-term maintainability, working closely with product, platform, and DevOps teams to ensure APIs support real business needs at scale.


RequirementsREQUIREMENTSKey Responsibilities
  • Design, build, and own GraphQL APIs using C# .NET, optimized for performance and scalability.
  • Define schemas, resolvers, and data access patterns for complex, distributed systems.
  • Ensure best practices in API design, versioning, documentation, observability, and security.
  • Take end-to-end ownership of APIs: from design and development to deployment and production support.
  • Identify, troubleshoot, and resolve performance bottlenecks in APIs and backend services.
  • Optimize query execution, caching strategies, and data modeling.
  • Deploy and operate distributed services on Microsoft Azure, ensuring high availability and reliability.
  • Collaborate with DevOps and platform teams on monitoring, incident response, and continuous improvement.
  • Integrate APIs with event-driven workflows when required (Kafka or similar systems as supporting components).
  • Contribute to architectural decisions and mentor other engineers.
Desired Profile

Experience & Seniority

  • Senior-level profile with 5+ years of experience in backend or API engineering.
  • Proven experience owning APIs in production environments.

Technical Skills

  • Strong expertise in C# .NET and the .NET ecosystem.
  • Hands-on experience designing and operating GraphQL APIs.
  • Solid understanding of API performance optimization and distributed systems.
  • Experience with Microsoft Azure (compute, networking, monitoring).
  • Strong knowledge of relational and/or NoSQL databases and data modeling.
  • Familiarity with RESTful APIs and microservices architectures.

Soft Skills

  • Strong sense of ownership and accountability.
  • Proactive problem solver with a production mindset.
  • Clear communicator, comfortable collaborating with cross-functional teams.
  • Ability to balance technical excellence with business impact.
Nice to Have
  • Experience with Kafka or event-driven architectures.
  • Docker and containerized environments.
  • Kubernetes or orchestration platforms.
  • Experience with high-throughput or real-time systems.
Additional Requirements
  • English: Advanced (spoken and written).
  • Availability to work with distributed teams.
  • Open to remote collaboration across LATAM time zones.

BenefitsBENEFITS

🚀 Integration with global brands and disruptive startups.
🏡 Remote work / Home office.
📍 If a hybrid or on-site modality is required, you will be informed from the first interview.
⏳ Schedule aligned with the assigned work cell/project.
📅 Monday to Friday work schedule.
🎉 Day off on your birthday.
🏥 Major medical expenses insurance (applies for Mexico).
🛡️ Life insurance (applies for Mexico).
🌎 Multicultural work teams.
🎓 Access to courses and certifications.
📢 Meetups with special guests from the IT industry.
📡 Virtual integration events and interest groups.
📢 English classes.
🏆 Opportunities across our different business lines.
🏅 Proudly certified as a Great Place to Work.

Top Skills

C# .Net
GraphQL
Kafka
Azure
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Houston, Texas
220 Employees
Year Founded: 2014

What We Do

DaCodes empowers organizations to achieve their full potential through custom software solutions. We believe in the power of technology to drive innovation and growth. ✅We understand your unique vision. ✅We engineer for impact ✅We're a global team, dedicated to your success Our 220+ DaCoders worldwide provide personalized support and technical expertise to amplify your engineering capabilities, enhance workflows, and help you scale your business. Let's code something great together.

Similar Jobs

Dandy Logo Dandy

Revenue Operations Manager

Computer Vision • Healthtech • Information Technology • Logistics • Machine Learning • Software • Manufacturing
Remote
Colombia
1800 Employees
126K-148K Annually

Circle (circle.so) Logo Circle (circle.so)

Customer Success Manager

Artificial Intelligence • Consumer Web • Digital Media • Information Technology • Social Impact • Software
Easy Apply
Remote
31 Locations
250 Employees
110K-120K Annually

CrowdStrike Logo CrowdStrike

Sales Engineer

Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Remote or Hybrid
Colombia
10000 Employees

Coupa Logo Coupa

Instructional Designer

Artificial Intelligence • Fintech • Information Technology • Logistics • Payments • Business Intelligence • Generative AI
Remote
Colombia
2500 Employees

Similar Companies Hiring

Fairly Even Thumbnail
Hardware • Other • Robotics • Sales • Software • Hospitality
New York, NY
30 Employees
Golden Pet Brands Thumbnail
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo, California
178 Employees
Kepler  Thumbnail
Fintech • Software
New York, New York
6 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account