Senior Cloud Backend Engineer

intent sp. z o.o.; Warszawa; Remote; PLN 180,000 - 240,000; Part time

Job summary

A technology firm focused on IoT solutions is looking for a Senior Cloud Backend Engineer to work on innovative projects. This 100% remote role involves building cloud infrastructure and developing backend systems using AWS technologies. You'll join a collaborative team and have opportunities for long-term partnerships. A competitive salary between 20-30K PLN net is offered depending on experience.

Benefits

100% remote work

Flexible working hours

Knowledge-sharing initiatives

Qualifications

• Experience building cloud infrastructure using AWS.
• Strong knowledge of backend code and API interface development.
• Familiarity with ETL pipelines and data management in cloud environments.

Responsibilities

• Build and maintain cloud infrastructure based on AWS.
• Develop backend code and API interfaces that support mobile applications.
• Occasional travel to the US for project-related needs.

Skills

AWS

Backend Development

API Development

Terraform

TypeScript

Tools

Node.js

GitLab CI/CD

Amazon Timestream

Aurora Serverless

Job description

We’re currently seeking a passionate freelance Senior Cloud Backend Engineer to join our projects ASAP. As a freelancer cooperating with intent, you'll have the opportunity to work on diverse IoT projects, leveraging your expertise in backend and cloud technologies.

About intent

intent has over 15+ years of experience in conceptualizing, designing, and building apps for IoT and connected devices. We act as a specialized think partner for products at the intersection of physical and digital (such as wearables and IoT), working with companies like Oura, BOSE, and McIntosh audio systems.

Salary:

• 20-30K PLN net on a B2B contract (depending on experience).

Perks & Benefits:

• 100% remote work & flexible working hours.

• Knowledge-sharing initiatives.

• If we’re a great fit after a few months of collaboration, we’d love to invite you to join the internal intent team for a long-term partnership.

What You’ll Do:

• Build and maintain cloud infrastructure based on AWS.

• Develop backend code and API interfaces that support the business logic of a mobile application.

• In the case of our biggest project, occasional travel to the US is expected

Recruitment Process:

1. Screening call with HR (45 mins).

2. Technical interview (60-90 mins).

3. Final feedback within a week after the interview.

Join Us!

Be part of groundbreaking IoT projects, shaping the future of cloud and backend technology. If you’re excited about cloud computing, scalable systems, and backend development in innovative projects—this is the place for you!

• AWS Lambda (provisioned-concurrency, SnapStart), API Gateway (REST + WebSocket), ECS Fargate, CloudFront, Cognito federation

• Time-series & relational data - designing schemas and retention policies in Amazon Timestream and Aurora Serverless v2

• ETL pipelines that land raw sensor blobs in S3 and publish Parquet/TFRecord “ML-ready” sets (Glue + Athena)

• WebSocket (API Gateway) fan-out, device-command queues, signed firmware delivery, staged roll-back logic

• Implementing field-level encryption with KMS, IAM least-privilege, WAF

• Building GDPR/CCPA compliant solutions, consent receipt storage, data-minimisation life-cycles

• Structured logging (JSON), CloudWatch/X-Ray tracing, metric alarms, cost-allocation tagging and Cost Explorer dashboards.

• Load-testing & provisioned-capacity right-sizing

• Terraform (modules, workspaces) and GitLab CI/CD

• Secret rotation, SBOM generation, automated policy checks

• TypeScript/Node.js (NestJS, Next.js)