Senior Software Engineer, Content AI
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on AI-powered content including search, voice assistants, subtitles, translations, and metadata workflows. The technology stack includes Kotlin, Spring Boot, REST, gRPC, GraphQL, PostgreSQL, DynamoDB, Elasticsearch, AWS, Docker, Kubernetes, Terraform. Key responsibilities involve designing and operating scalable backend microservices and leading technical initiatives. Tasks cover AI model integration, performance optimization, and overseeing CI/CD pipelines. Benefits include fully paid medical care, Multisport, MacBook Pro equipment.

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Senior Software Engineer, Content AI

Company: Motife Sp. z o.o.

from: 8 June 2026
to: 8 July 2026
26 000 - 32 000gross/ mth.contract of employment (full-time)
Salary details
basic salary
Offer parameters
level:senior
working mode:hybrid
Warszawa, Wola
Warszawa, WolaGrzybowska 60View on map

Requirements

Expected technologies

Kotlin
Spring Boot
JVM
PostgreSQL
MySQL
AWS
Docker
Kubernetes
GitHub Actions
LLM

Operating system

macOS

Our requirements

  • 6+ years of software development experience building high-performance, scalable backend cloud application systems.
  • BS or MS degree in Computer Science, Engineering, Mathematics, or a related technical field.
  • Strong expertise in Kotlin, Python, or similar backend programming languages.
  • Strong experience with backend frameworks such as Spring Boot, Bottle, Gunicorn, or similar JVM/Python frameworks.
  • Experience designing and building APIs using REST, gRPC, or GraphQL.
  • Experience with relational and NoSQL databases such as PostgreSQL, MySQL, DynamoDB, or MongoDB.
  • Hands-on experience with AWS, Docker, Kubernetes, CI/CD, and infrastructure tooling such as Terraform, GitHub Actions, or Jenkins.
  • Strong understanding of distributed systems, Elasticsearch optimization, caching, observability, security, performance optimization, production troubleshooting, and incident response.

Optional

  • Experience working on AI-powered products, model-serving systems, or backend services that integrate with ML models.
  • Experience with NLP, ASR, voice assistants, chatbots, search platforms, live captions, subtitles, translations, or content metadata workflows.

Your responsibilities

  • Design, develop, and operate scalable backend APIs and microservices powering search, voice, subtitles, captions, translations, and content workflows.
  • Lead technical discussions, architecture reviews, design decisions, and task breakdowns within the engineering team.
  • Build services with a focus on high availability, low latency, security, scalability, and maintainability.
  • Work with ML Engineers to integrate hosted NLP, ASR, and AI models into production backend systems.
  • Architect reusable code, libraries, patterns, and standards that can be adopted across teams.
  • Use monitoring, tracing, profiling, and load-testing tools to identify bottlenecks and improve production performance.
  • Champion engineering best practices, including CI/CD, test automation, feature toggles, logging, monitoring, and reliable release processes.
  • Mentor engineers through code reviews, pair programming, technical guidance, and incident response leadership.

About the project

We are hiring on behalf of our client, a global innovator in fitness and wellness technology. Their mission is to empower people to live fit, strong, long, and happy lives by delivering integrated experiences to millions of members anytime, anywhere.
We are looking for a Senior Software Engineer to join the Content AI team in Warsaw. This team applies AI to content-related processes, including search, voice assistant capabilities, subtitles, live captions, translations, metadata tagging, and content generation workflows. In this role, you will act as a technical lead within an agile engineering team, designing and operating scalable microservices that support AI-powered content features. The focus is on backend engineering, production systems, and technical leadership rather than building AI models from scratch.
Key takeaways:
Stack: Kotlin, Spring Boot, REST, gRPC, GraphQL, PostgreSQL/MySQL/DynamoDB/MongoDB, Elasticsearch, Redis, AWS, Docker, Kubernetes, Terraform, GitHub Actions, Datadog

This is how we organize our work

This is how we work

in houseyou develop several projects simultaneouslyyou have influence on the technological solutions appliedyou have influence on the productyou focus on product developmentagile

This is how we work on a project

  • Clean Code
  • Continuous Deployment
  • Continuous Integration
  • DevOps
If you’re excited about building developer platforms that scale, empower teams, and set new standards for engineering excellence — we’d love to hear from you. Apply via our careers page and please submit your CV in English.
Company

What we offer

  • 100% paid medical care
  • Multisport
  • Creative tax (KUP)
  • Home office allowance
  • MacBook Pro

Recruitment stages

  • 1.
    A call with MOTIFE Recruiter (30 min)
  • 2.
    Coding interview (1h)
  • 3.
    Panel interviews with the team (2.5h)
Senior Software Engineer, Content AI
26k–32k zł / mth. (CoE)
I apply to:
Motife Sp. z o.o.
Warszawa, Wola
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