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Senior Java Engineer (Architect-Level Expertise)

Careers at Lineate, Georgian office +2

Posted pay

Pay not posted

Location: Georgian office +2
Work type: Not given
Level: Senior
Experience: 8+ years
Skills in the job text: Kubernetes
Docker
Java
Elasticsearch
Kafka
MySQL
Redis
Spring
Posted: 22 days ago
Last check: 8 h ago
Job type: Software engineering, ML / AI engineering

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Careers at Lineate

About Careers at Lineate: funding, hiring and pay

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What you will do

Design, develop, and maintain scalable, high-performance backend services using Java and Spring Boot
Take ownership of complex technical challenges, from identifying problems and proposing solutions to implementation and production delivery

Contribute to architectural decisions and continuously improve system performance, scalability, and reliability

Develop and optimize APIs, microservices, integrations, and event-driven systems using Kafka

Proactively identify technical bottlenecks, propose improvements, and drive engineering initiatives

Troubleshoot complex production issues and ensure high standards of code quality and maintainability

Participate in technical discussions, code reviews, and architectural planning

Collaborate with product and engineering teams to translate business requirements into reliable technical solutions

Contribute to the development and optimization of search functionality and AI-powered features as needed

What you need

8+ years of hands-on software engineering experience, with deep expertise in Java and production-grade backend development
Strong proficiency in Java and Spring Framework / Spring Boot
Architect-level technical expertise, including the ability to design complex backend systems, evaluate architectural approaches, and make sound technical decisions
Strong understanding of distributed systems, microservices, scalability, performance optimization, fault tolerance, and reliability
Solid experience with Redis, MySQL, and Apache Kafka
Experience with reactive programming (preferably RxJava)
Strong experience designing and developing APIs, backend services, and complex integrations
Proactive and self-driven mindset: ability to identify problems and opportunities, propose solutions, develop actionable plans, and take ownership of implementatio

Nice to have

Experience with Java 25+
Experience developing and optimizing high-performance search systems
Hands-on experience with full-text search, vector search, or semantic search technologies
Production experience with Vespa, OpenSearch, Elasticsearch, Weaviate, Pinecone, Milvus, Qdrant, or similar platforms
Experience building Retrieval-Augmented Generation (RAG) solutions
Familiarity with AI/ML infrastructure and pipelines, including integrating machine learning models into production services
Experience with embeddings, ranking, indexing, recommendation systems, and AI-powered services
Knowledge of cloud platforms and containerized environments (Docker, Kubernetes)
Experience with observability, monitoring, and performance analysis tools
Previous experience in Staff, Principal, or Architect-level engineering positions

Working hours

Candidates must be available to overlap with the New York team from 9:00 AM to 1:00 PM ET. The remaining working hours are flexible.

Our expertise falls into three main categories

Building Custom AI Solutions: Deploying high-impact, AI-enabled technology utilizing IDP, Agentic RAG.
Cloud and Data Infrastructure: Optimizing business operations with our data management and cloud computing solutions.
Team Augmentation: Providing specialized experts in FinTech, AdTech, and HealthTech to integrate seamlessly and accelerate project timelines.
Our goal is not just to build technology, but to build the future operating model for our clients.

Core: Java, Spring Boot, RxJava, Redis, MySQL, Apache Kafka

Additional technologies: Vespa, Elasticsearch, OpenSearch, Vector Search Technologies, AI/ML Infrastructure, Docker, Kubernetes

Pay and benefits

Freedom to Develop – equal opportunity to learn and grow professionally
Clear career and professional path, strong performance management system
Social Benefits Package
Equipment
English lesson
Gym membership
All the advantages of working in an international IT company
Flexible vacation time
Fun and inclusive in-person and digital events

About Careers at Lineate

Lineate is a US-based international software development company with over two decades of experience.

From Intelligent Document Processing(IDP) and Agentic RAG systems to scalable cloud architectures, we turn complex ideas into real, measurable results.

We deliver AI-driven custom solutions for FinTech, HealthTech, AdTech, and beyond, empowering businesses to grow smarter, faster, and more efficiently.

Legal notes

Lineate is proud to be an Equal Opportunity Employer - We do not hire on the basis of race, colour, religion, creed, gender, national origin, citizenship, age, disability, veteran status, marital status, pregnancy, parental status, sex, gender expression or identity, sexual orientation, or any other basis protected by Gergian legislation. All employment is decided based on qualifications, merit, and business need.Learn more about Lineate at our website: www.lineate.com

Read the job posting on the Careers at Lineate site

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Source: the Careers at Lineate Greenhouse job board. We last checked this job 8 h ago. We first saw it 5 days ago. A job on a job board does not always mean that the team interviews people now. We found this job board in a public list. We did not yet compare it with the careers page of the company.

Careers at Lineate

Open tech jobs: 2
With posted pay: 0%

About Careers at Lineate: funding, hiring and pay