Senior Cloud Native Java Developer

· Sofia, Sofia
Employment Type FullTime-OnPayroll
Minimum Experience Experienced

About Infinite Lambda

Infinite Lambda is Europe's fastest growing data and cloud engineering consultancy. We help leading companies become data-first with agile, cloud-based solutions and cutting-edge technology practices. Our focus is on the design and development of innovative data solutions which will help our customers to make data-driven decisions. Thanks to our proven approach to creating modern data stacks, we bring unique solutions that are designed based on customer needs.

We are a London-based company with teams in France, Hungary, Bulgaria, Slovakia, Romania, Italy and Vietnam. Join our team of Data, Analytics, DevOps, Data Science and Machine Learning experts.

About the role

We are looking for a Middle/Senior/Principal Java developer with 5+ years of relevant experience. Background or expertise in fintech/telecommunications is appreciated and will be considered as a plus.

You will join a team of experienced cloud native engineers who are passionate about delivering high-quality modern applications utilising latest cloud technologies and practices.

Ukrainian applicants are welcome to apply.

Please note we can only sponsor visas for Ukrainian citizens.


We are looking for a specific skill set that would allow you to dive right into our activities and contribute to our projects from day 1. To join us, you will need:

To join us, you will need extensive knowledge of:

  • Java 8 or later, Spring, Spring Boot, Spring Cloud
  • Containers: Docker, Kaniko
  • Container Orchestration: Kubernetes, Helm
  • Understanding of debugging event-driven systems
  • Creating streaming applications with Kafka/AWS Kinesis/similar
  • Familiarity with various design and architectural patterns (creational, structural, behavioural)
  • Databases: Relational Backend Database, NoSQL database
  • Strong distributed systems foundations
  • Inter-Process Communication: REST, Google Protocol Buffers, etc.
  • Testing: JUnit 4/5, TDD, jBehave, Cucumber or similar
  • Effective usage of CI/CD tools such as Gitlab, Circle CI, AWS Code Pipeline or other
  • Schema migration: Liquibase, Flyway or similar
  • Familiarity with build tools such as Maven and Gradle

It's also nice to have experience with:

  • Security and compliance consciousness when developing applications
  • Understanding of serverless principles
  • Understanding of static code analysis, e.g. experience with SonarQube or equivalent
  • ORM: Hibernate or similar
  • Orchestration: Airflow, Cadence, Argo Workflows etc.

The following soft skills are highly appreciated:

  • Proactive self-starter
  • Experience working in a distributed team
  • Experience working with Agile methodologies (XP/pair programming, Scrum, Kanban)
  • Experience working with common workflow tools: JIRA, Slack
  • Analytical mindset and good problem-solving skills

What you get

  • Innovation
    • Front seat to the rapid evolution of cloud and data
    • Cutting-edge technology
    • Diverse projects
  • Learning
    • Dedicated learning and development time (20 days/year)
    • Access to top-notch learning portals with endless material
  • Autonomy
    • Unlimited paid holiday
    • Remote or office, no questions asked
    • Flexible hours
  • Culture
    • Inclusivity
    • Supportive team
    • Diverse distributed teams
    • Coaching
  • Benefits
    • Private health and dental insurance
    • Company MacBook + other hardware
    • Team events
    • Multisport membership
    • Family-friendly workspaces

▶ ▶ Submit your CV in English in PDF.

▶ ▶ Mind that as we are an international team, internal communication is in English.

▶ ▶ Please note we can only sponsor visas for Ukrainian citizens.

Infinite Lambda is an equal opportunity employer. Our inclusive culture celebrates diversity and treats everyone with dignity and respect. Accordingly, our selection process will never  discriminate against applicants on the grounds of any characteristics, such as disability, age, gender, sexual orientation, family status, race, faith or other.

Thank You

Your application was submitted successfully.

  • Location
    Sofia, Sofia
  • Employment Type
  • Minimum Experience