technologies

Java Development Services

Enterprise-grade backends and mission-critical platforms, with the reliability your business depends on. Our top-tier Java developers from Latin America work as part of your team to build new platforms and modernize the legacy systems running your operation.

Custom

Java

Development Services

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Custom Java Development

We build enterprise-grade Java applications from scratch. Backends, APIs, microservices, and high-throughput platforms. As a Java software development company, our custom Java development services cover the full lifecycle from architecture to production, with security and compliance built in from day one.

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Java Consulting

Architecture reviews, performance audits, and modernization strategy. Our senior Java consultants and Java experts help you evaluate Spring Boot vs. Jakarta EE, assess legacy codebases, plan JVM upgrades, and design roadmaps that scale. Whether you need a Java consulting partner for a new platform or to stabilize an existing one, we deliver actionable recommendations.

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Dedicated Java Developers & Teams

Hire dedicated Java developers, or scale up to a full Java team that works as an extension of your organization. They follow your processes, join your standups, and deliver in your sprint cycles. Staff augmentation Java done right.

Java Outsourcing

Outsource Java development end-to-end or augment your team for specific initiatives. Our Java outsourcing model gives you senior nearshore talent without the operational overhead of offshore Java developers in distant time zones.

 Legacy Java Modernization

Migrate monoliths to microservices, upgrade JVM versions, replace EJB with Spring Boot, and refactor fragile components without disrupting the business systems that depend on them. We plan incremental modernization paths that preserve uptime while reducing technical debt.

Managing Director & Key Account Excecutive

Hire

Java

developers

 Scale your backend team with the best Java developers from Latin America who join your sprint cycles and own complex systems end-to-end.

  • Senior, fully vetted Java developers and Java experts
  • Real-time collaboration across U.S. time zones
  • Remote Java developers integrated into your team
  • Strong English and cultural alignment

Why us for Python development

Our Python stack for
scalable products

Quarkus
Spring Boot
Spring Framework
Jakarta EE
Micronaut

Core Frameworks

We build on Java's most battle-tested frameworks to deliver production-grade backends that handle high throughput, complex business logic, and long-term maintainability.

Spring Cloud
Microservices
Event-driven architecture
Hexagonal / Clean Architecture
Domain-Driven Design

Microservices & Architecture

Architecture is critical to long-term Java performance. We select the right pattern based on your system's scale, team size, and integration needs.

REST
GraphQL
gRPC
Kafka
RabbitMQ

APIs & Messaging

We design clean, well-documented APIs and event pipelines that your team and partners can rely on at enterprise scale.

Redis caching
PostgreSQL
Hibernate / JPA
Oracle
MongoDB

Data & Persistence

We integrate Java backends with the right storage layer for your workload, from high-transaction SQL systems to NoSQL and caching tiers.

JUnit 5
Mockito
Testcontainers
SonarQube
Maven

Testing & Quality

Our Java developers write testable code by design and integrate automated validation across the CI/CD pipeline.

JVM tuning
Caching strategies
Docker
Kubernetes
Observability
Concurrency

Performance in Java is more than response time. We ensure throughput, concurrency, JVM tuning, and memory efficiency to handle high-load enterprise workloads and transactional systems. JVM tuning

Performance

how it works

Our 3-Step Process

01

Define your needs

We start by understanding your tech requirements, desired skills, cultural fit, budget, and timelines.

02

Find & vet talent

We connect you with senior nearshore developers from our network or run a tailored search, managing all screening and interviews.

03

Onboard & support

We integrate your dedicated development team smoothly, set up tools and hardware, and provide ongoing support.

Ready to get started?

Numbers that define us

+140

Team members

75

NPS Score

85%

Retention rate

15

Countries

70k

Vetted candidates

Java

About Python Development

Java has been the backbone of enterprise software for over two decades, powering banks, trading platforms, insurance systems, healthcare backends, and high-traffic consumer applications. Companies looking to hire Java developers benefit from a mature ecosystem, long-term platform stability, and access to talent skilled across Spring Boot, microservices, and cloud-native architectures.

Java combines long-term stability, enterprise-grade performance, and the richest ecosystem of frameworks and tooling for backend systems. It's the platform of choice where uptime, transaction integrity, and regulatory compliance matter most, and modern frameworks like Spring Boot make it as productive as any language for new development.

Java powers fintech and banking platforms, payments infrastructure, insurance systems, healthcare backends, e-commerce, SaaS products, telecom systems, and high-traffic APIs. It's also widely used for Android mobile backends and data-heavy systems integrated with Kafka and big data tooling. From legacy modernization to greenfield microservices, Java adapts to enterprise workloads of any complexity.

Java integrates seamlessly with the full enterprise stack: Spring Boot and Spring Cloud for services and microservices, Hibernate and JPA for persistence, Kafka and RabbitMQ for messaging, Docker and Kubernetes for deployment, JUnit and Mockito for testing. Our teams work across the full Java ecosystem, including modern Kotlin interop for teams migrating or expanding their JVM stack.

Unlike newer languages with smaller talent pools, Java offers unmatched ecosystem maturity, long-term support, and proven performance at enterprise scale. Compared to Python or Node.js, Java delivers stronger type safety, better concurrency handling, and is the default choice for high-transaction, compliance-heavy systems. Its backward compatibility and massive talent pool make Java the safest long-term bet for systems that need to run for a decade or more.

case studies

See what we’ve built together

Huckleberry

We partnered with Huckleberry to support their next stage of growth.

+10 Engineers
Multiplatform Development

Linus Health

Powered Linus Health's platform evolution, strengthening data flows, integrations, and reliability at scale.

+8 Engineers
Multiplatform Development
Linus Health Success Story

Paragon

We partnered with Paragon to optimize their release cycle and bring leadership across engineering teams.

+7 Engineers
SaaS

Everlane

Scaled engineering and analytics capacity to accelerate delivery and strengthen their digital retail platform.

Web Development
E-commerce
+5 Engineers
Everlane Success Story

SpotOn

Powered SpotOn’s platform evolution, accelerating payments and multi-platform development.

POS & Payments
+20 Engineers
SpotOn  Success story

Feeld

Boosted Feeld’s mobile development, enhancing React Native delivery and strengthening product iteration.

Mobile Development
Product Delivery
+3 Engineers
Feeld  Success story

Flipp

Devlane provided data engineers and scientists to strengthen their retail platform with Scala, Python, and big data.

Data Science
Data Engineering
+5 engineers
Flipp  Success story

Resortpass

Enhanced ResortPass’s platform, accelerating web and mobile development.

Web & Mobile Development
+5 engineers
Ressortpass Success Story

Grindr

Devlane scaled their LGBTQ+ dating app with senior engineers in Ruby on Rails, Java, iOS, and Android.

Mobile & Backend Development
Quality Assurance
+32 Engineers
Grindr  Success story

MyFieldAudits

Rebuilt the entire ecosystem, delivering mobile, web, and remote platforms from the ground up.

Multiplatform Development
+32 Engineers
MyFieldAudits

Want to scale your team with top talent?

We’re just one message away. Share about your needs, and we’ll help you start building your team today.

Want to talk it through?

Book a free-consultation.
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Chris Marshall

Sr. Account Executive

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Java

Development FAQs

Do your Java developers sign NDAs and IP agreements?

Yes. All Devlane Java developers are covered by confidentiality and intellectual property agreements before any engagement starts. As an ISO 27001:2022 certified partner, we protect your code, data, and proprietary systems from day one, critical for fintech, banking, and healthcare clients.

Can your Java developers work with Kotlin on the JVM?

Yes. Most of our Java engineers are comfortable with Kotlin and can work across Java and Kotlin codebases on the JVM, which is especially useful for teams running Spring Boot services or modernizing Android and backend systems in parallel.

How fast can a Java developer start?

Most engagements start within weeks. We pre-vet candidates from our network of 70,000+ professionals, so you interview only Java programmers for hire that match your stack, seniority, and culture.

What does it cost to hire Java developers through Devlane?

Java development cost depends on seniority, specialization (backend, microservices, architecture), and engagement length. Our nearshore model is typically 40-60% lower than hiring senior Java talent in the U.S., with one all-inclusive rate covering salary, benefits, equipment, and management.

Do you have experience modernizing legacy Java systems?

es. We regularly help teams migrate monoliths to microservices, upgrade legacy Spring or EJB codebases, move to modern JVM versions, and decompose fragile systems without disrupting the business platforms that depend on them.

Do you work with Spring Boot, microservices, and modern Java stacks?

Yes. Our team works across Spring Boot, Spring Cloud, Jakarta EE, Micronaut, and Quarkus, as well as microservices architectures, event-driven systems with Kafka, and cloud-native deployments on AWS, GCP, or Azure. We match developers to your specific stack and use case.

Can your Java developers integrate into our existing workflows?

Yes. Our developers join your standups, follow your sprint cycles, use your tools (Slack, GitHub, Jira, Linear), and work in your time zone. You manage them as part of your team while we handle payroll, hardware, and operations.

How senior are your Java developers?

All our Java developers are pre-vetted senior engineers with at least 5 years of production experience. They've built backend systems, microservices, and enterprise platforms for fintech, banking, healthtech, and high-growth SaaS companies.

Your 360 staffing partner.