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Ascendion

Senior Java Software Engineer

Ascendion
Poland · Full-time · Mid-Senior

Calling all Java ⚔️ Ninjas in Warsaw! Design Stateful Microservices & master Reactive Programming. Payments knowledge is a plus!


Requirements:-

  • Primary skills: XXS: payment knowledge - nice to have around Fraud, Charges, Foreign Exchange, micro services
  • Secondary skills: 6+ years of applications development experience

Tech Skills:

1. Java Standard Edition

2. Reactive distributed concurrent programming

1. Using java and AKKA

2. Stateful microservices design using actors

3. Event sourcing, CQRS, eventual consistency

3. Relational database: Oracle, Postgres

4. Designing Restful API’s using jersey and Swagger & Open API

5. Automated Software testing best practices using Mockito, cucumber, etc.

6. Build tools: Maven

7. Familiarity with CI/CD, Jenkins

8. Docker containers

9. Linux

10. Kubernetes


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

java ai microservices restful apis kubernetes salesforce cucumber jenkins docker oracle maven linux cloud cicd
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Posted
Nov 18, 2025
Type
Full-time
Level
Mid-Senior
Location
Poland
Company
Ascendion

Industries

Technology Information Internet Banking Investment Banking

Categories

Information Technology

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