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Baltic Amadeus
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Senior Java/Kotlint Back-end Engineer (B2B contract)
Lithuania
· Contract
·
Mid-Senior
Baltic Amadeus is a technology partner helping organisations build and scale their IT solutions. With a team of 300+ IT professionals, we turn complexity into systems that actually work.
Our expertise spans the full IT lifecycle, from IT consulting and custom software development to mobile app development, mobile banking, cyber security, including penetration testing, and web portal development. We create internal systems and customer-facing platforms, including mobile applications, self-service, eCommerce, and banking solutions.
Our team has proven experience in industries where reliability and compliance are critical, such as banking and finance, public sector, telecommunications, logistics, and insurance.
With 37+ years in the industry, we partner with clients across the globe, including Fortune 500 and Forbes Global 2000 companies, helping them achieve measurable business results.
Project/Client: Banking
Location: EU / Baltic States preferred
Start Date: ASAP
Duration: Until 2026-12-31
Baltic Amadeus client is looking for an experienced Senior Java/Kotlint Back-end Engineer to join the team under a B2B (business-to-business) contract. The role is focused on building middleware and integration services connecting Salesforce with internal systems. You will develop cloud-native microservices, implement API-based and event-driven integrations, and contribute to scalable, secure, and reliable integration architecture running on AWS.
Key Responsibilities
Our expertise spans the full IT lifecycle, from IT consulting and custom software development to mobile app development, mobile banking, cyber security, including penetration testing, and web portal development. We create internal systems and customer-facing platforms, including mobile applications, self-service, eCommerce, and banking solutions.
Our team has proven experience in industries where reliability and compliance are critical, such as banking and finance, public sector, telecommunications, logistics, and insurance.
With 37+ years in the industry, we partner with clients across the globe, including Fortune 500 and Forbes Global 2000 companies, helping them achieve measurable business results.
Project/Client: Banking
Location: EU / Baltic States preferred
Start Date: ASAP
Duration: Until 2026-12-31
Baltic Amadeus client is looking for an experienced Senior Java/Kotlint Back-end Engineer to join the team under a B2B (business-to-business) contract. The role is focused on building middleware and integration services connecting Salesforce with internal systems. You will develop cloud-native microservices, implement API-based and event-driven integrations, and contribute to scalable, secure, and reliable integration architecture running on AWS.
Key Responsibilities
- Design and develop middleware and integration services connecting Salesforce with internal systems
- Build and maintain cloud-native microservices using Kotlin or Java
- Implement REST API-based and event-driven integration patterns across distributed systems
- Work with Kubernetes and Docker to deploy and manage services on AWS
- Contribute to CI/CD pipelines and infrastructure as code practices
- Ensure API security best practices across integration layers
- Build and maintain connectors, adapters, and data synchronization components
- Support test automation and quality-driven development standards
- 5+ years of backend development experience with Kotlin or Java
- Experience with Quarkus, Spring Boot, or similar frameworks
- Strong knowledge of REST APIs, event-driven architecture, and messaging systems
- Hands-on experience with Kubernetes and Docker
- Solid experience with AWS cloud services
- Understanding of CI/CD, DevOps practices, and infrastructure as code
- Background in integration or middleware development, including connectors, adapters, and data sync
- Experience with test automation and quality-driven development
- Understanding of API security best practices
- Fluent English
- Experience with Kafka or AWS MSK
- Familiarity with GitOps tools such as ArgoCD or Kargo
- Knowledge of the Salesforce ecosystem
Key Skills
Ranked by relevance
salesforce
cloud
microservices
kubernetes
kotlin
cicd
aws
infrastructure as code
penetration testing
cyber security
spring boot
docker
devops
kafka
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- Posted
- Jun 12, 2026
- Type
- Contract
- Level
- Mid-Senior
- Location
- Vilnius
- Company
- Baltic Amadeus
Industries
IT Services
IT Consulting
Categories
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
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