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Ascendion

Frontend Developer

Ascendion
Poland · Full-time · Mid-Senior

We are looking for a strong Full Stack Engineer to join our dynamic team supporting internal enterprise applications. This role involves end-to-end development of features, collaborating closely with cross-functional teams to drive new initiatives—especially in the AI automation and assessment domain. You'll work on modernizing and optimizing internal systems while contributing to the scalability and quality of our AI-enabled solutions.


Key Responsibilities:

  • Design, develop, test, and deploy scalable and robust applications using modern full stack technologies.
  • Build and maintain intuitive, responsive user interfaces using React and JavaScript.
  • Develop backend services and APIs primarily in Java, with additional components in Python or Kotlin.
  • Integrate with relational databases and manage data workflows effectively.
  • Work with Docker and Kubernetes to ensure smooth CI/CD pipelines and containerized deployments.
  • Support and optimize automation processes related to AI tool quality assessments.
  • Collaborate with stakeholders, product managers, and QA to ensure on-time delivery and operational excellence.
  • Participate in code reviews, documentation, and knowledge-sharing sessions to maintain code quality and team alignment.


Must-Have Skills:

  • 5+ years of experience as a full stack developer or software engineer.


Strong proficiency in:

  • Frontend: React.js, JavaScript/TypeScript
  • Backend: Java (Spring Boot preferred), Python or Kotlin (nice to have)
  • APIs: RESTful API design and integration
  • Databases: Strong knowledge of relational databases (e.g., PostgreSQL, MySQL)
  • Experience with Docker and Kubernetes in production environments.
  • Understanding of DevOps concepts and container orchestration.
  • Strong problem-solving skills and ability to work independently in a fast-paced environment.


Nice-to-Have (Secondary Skills):

  • Knowledge of Go (Golang) for microservices or tooling.
  • Experience with RabbitMQ or similar message brokers.
  • Background in working on projects involving AI/ML tools or automation.
  • Experience in KTLO operations, risk mitigation, and cost optimization strategies


About Us

Ascendion is a global, leading provider of AI-first software engineering services, delivering transformative solutions across North America, APAC, and Europe. We are headquartered in New Jersey. We combine technology and talent to deliver tech debt relief, improve engineering productivity solutions, and accelerate time to value, driving our clients’ digital journeys with efficiency and velocity. Guided by our “Engineering to the power of AI” [EngineeringAI] methodology, we integrate AI into software engineering, enterprise operations, and talent orchestration, to address critical challenges of trust, speed, and capital. For more information, please go to www.ascendion.com

With Ascendion (www.ascendion.com), you:

  • Will get to work on numerous challenging and exciting projects on our various offerings including Salesforce, AI/Data Science, Generative AI/ML, Automation, Cloud Enterprise and Product/Platform Engineering.
  • At Ascendion you have high chances of project extension or redeployment to other clients.
  • Additionally, you can also share CV of anyone you know. We have a referral policy in place.

Key Skills

Ranked by relevance

ai microservices spring boot postgresql responsive salesforce reactjs python kotlin devops cloud java cicd
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Posted
Jun 10, 2025
Type
Full-time
Level
Mid-Senior
Location
Cracow
Company
Ascendion

Industries

Technology Information Internet Banking Insurance

Categories

Engineering Information Technology

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