Senior Backend & Cloud Engineer

Improving; México; Remote; MXN 900,000 - 1,050,000; Full time

Job summary

Improving is seeking a backend engineer to join our LATAM team. You will rework AWS IoT Core infrastructure, configure MQTT communications, and build dashboards to monitor device connectivity and health.

You’ll migrate workloads to ECS, strengthen deployment pipelines, and partner with engineering to safely roll out changes while maintaining security and reliability across our cloud-native stack.

Qualifications

• 4+ years in backend, integration, or solutions engineering.
• Strong C# / .NET (ASP.NET Core).
• PostgreSQL skills including schema design and migrations (EF Core a plus).
• Experience with production AWS (S3, IAM, Secrets Manager, App Runner or ECS, CloudWatch).
• Experience designing/rest APIs with tests (unit/integration).
• Good written/spoken English; able to lead technical calls with vendors.

Responsibilities

• Rework and configure AWS IoT Core infrastructure for new hardware and firmware.
• Configure and manage MQTT communication between devices and the cloud.
• Build dashboards to monitor device connectivity, health, and status.
• Enable secure remote actions such as OTA firmware updates and remote commands.
• Improve device provisioning, authentication, certificates, and IoT security policies.
• Migrate end-of-life AWS workloads to ECS; strengthen deployment pipelines and observability.

Skills

C# / .NET

REST APIs

English proficiency

Ownership mindset

Tools

AWS

EF Core

PostgreSQL

App Runner / ECS

CloudWatch

Job description

Improving is committed to building a great place to work by cultivating an environment that fosters professional and personal relationships. We value open communication, personal growth, and shared rewards, which result in sustainable success.

Voted “best place to work” numerous times, Improving strives to create and maintain a culture that exemplifies teamwork, excellence, and fun! We believe this kind of culture encourages both the inspiration and the motivation to achieve amazing things.

Job Type: Full-Time

Location: LATAM

Country: Mexico, Central America, South America

• Rework and configure AWS IoT Core infrastructure for new hardware and firmware
• Configure and manage MQTT communication between devices and the cloud
• Build dashboards to monitor device connectivity, health, and status
• Enable secure remote actions such as OTA firmware updates, device restarts, and remote commands/configuration
• Improve device provisioning, authentication, certificates, and IoT security policies
• Migrate end-of-life AWS workloads, including moving services from App Runner to ECS
• Strengthen deployment pipelines, logging, and alerting across the AWS environment
• Lead the migration of email infrastructure from AWS to Microsoft Azure without disrupting existing automated workflows
• Partner with the engineering team to understand the current architecture and safely roll out changes

What You’ll Bring

• 4+ years in backend, integration, or solutions engineering with strong C# / .NET (ASP.NET Core)
• Solid PostgreSQL skills: schema design, migrations, and query tuning (EF Core is a plus)
• Production AWS experience with S3, IAM, Secrets Manager, App Runner or ECS, and CloudWatch, plus the ability to read and modify IaC
• Experience designing and consuming REST APIs, with unit and integration testing
• Strong English, with the confidence to lead a technical call with a vendor and document the outcome
• An ownership mindset: you follow an issue from first report through to the fix
• Nice to have: IoT fleets, telemetry, or OTA systems (MCUboot, firmware signing, rollout/rollback); Python (FastAPI, boto3, pytest) and AWS CDK; Lambda, Step Functions, or ML pipelines; observability tooling; Next.js/React for internal tools; least-privilege IAM and secrets handling

Improving welcomes people from all backgrounds and walks of life, and this is reflected in our largely diverse community of Improvers. Improving is proud to be an equal opportunity employer and is committed to providing equal opportunities for all employees and applicants. Improving recruits, hires, trains, promotes, compensates, and administers all personnel actions without regard to race, color, religion, sex, sex stereotyping, pregnancy (which includes pregnancy, childbirth, and medical conditions related to pregnancy, childbirth, or breastfeeding), gender, gender identity, gender expression, national origin, age, mental or physical disability, ancestry, medical condition, marital status, military or veteran status, citizenship status, sexual orientation, genetic information, or any other status protected by applicable law.

About Improving

Improving is a modern digital services company dedicated to positively changing the perception of the IT professional. We offer innovative solutions through consulting, software development, and training to help thousands of our clients achieve new heights in a competitive and ever-changing market.

As our company continues to grow, we are looking for enthusiastic thought leaders to join our team. Improving has a unique mix of passionate professionals who strive to grow and thrive in new ways. We are committed to establishing and maintaining an inclusive culture that allows all Improvers to bring their authentic selves to work each day. This is why we work hard to build inclusion and diversity in our workplace, so we can all do amazing things and succeed together.