Java Development Services
Custom Solutions for Modern Tech Teams
Work with Java developers who’ve scaled enterprise systems, modernized legacy stacks, and launched cloud-native apps that run flawlessly. From strategy to execution, we deliver software that grows with you.
Leading brands across fintech, healthcare, logistics, and SaaS rely on us to ship stable, scalable Java solutions, fast. Here are a few we've partnered with:
Why Aegis for Java Development?
When you choose Aegis, you're not outsourcing code, you’re gaining a technology partner invested in long-term success. With 20 years of Java delivery experience and deep domain knowledge, we bring more than technical skill, we bring strategic alignment.
We’ve helped startups launch fast, supported enterprises through complex modernizations, and scaled systems for global SaaS companies. Here's what sets us apart:
Enterprise-Ready Expertise
From Spring Boot to Microservices, our developers build secure, scalable, and cloud-native systems designed to evolve with your business.
20 Years, 40+ Engineers, 0 Guesswork
Our stable, senior team delivers consistency across projects, domains, and technologies, with no learning curve, no churn.
ISO-Certified, Globally Trusted
Clients across fintech, healthcare, logistics, and retail trust us for mission-critical builds that demand compliance, quality, and uptime.
The India Advantage, Done Right
Reduce costs without compromising quality. We offer timezone-aligned delivery, fluent collaboration, and global engineering standards.
Outcomes, Not Overheads
Our team aligns with your KPIs, not just your ticket queue. Whatever the issue, performance tuning, architecture revamp, or full-cycle Java development, you receive guaranteed outcomes with us.
Agile, Transparent, Collaborative
We work in sprints, share progress openly, and adapt fast. You stay in control, every step of the way.
Java Development Services We Offer
Your app isn’t failing because of bad code. It’s failing because the architecture can’t scale, the legacy stack slows everything down, or your last vendor shipped features, but not the promised results.
That’s where we come in.
At Aegis, we build Java solutions that solve real engineering problems, whether cleaning up technical debt, enabling faster releases, or preparing your system for what’s next.
Custom Java Application Development
We develop full-stack Java systems tailored to your workflows, business logic, and growth plans. Each application is built from the ground up to support integrations, performance, and longevity. You get systems that scale with you, not templates that force compromises.
Ideal for: Enterprises building proprietary tools or launching digital products
Java Web Development
Our Java-powered web apps are designed for real-world traffic, performance, and a clean user experience. We align frontend responsiveness with backend stability using modern stacks and best practices. It’s how we deliver platforms that perform smoothly, on day one and beyond.
Ideal for: High-traffic dashboards, portals, or client-facing platforms
Java Mobile Development
We build secure, scalable Android apps using native Java architecture and robust backend integrations. Performance, data sync, and offline access are engineered into every build, not patched in.
Ideal for: Field teams, logistics workflows, fintech tools, or consumer apps
Java Enterprise Solutions
From ERPs to insurance platforms, we build enterprise Java systems that support scale, compliance, and uptime. With strong access control, multi-user concurrency, and audit readiness, nothing gets left to chance. These are systems designed to power your operations, not slow them down.
Ideal for: Finance, healthcare, insurance, supply chain, and public sector
Legacy Java Migration & Modernization
We refactor outdated Java systems into modular, maintainable architectures without disrupting core operations. Migrations are phased and strategic, avoiding downtime while unlocking future flexibility. You retain what works, improve what doesn’t, and confidently move forward.
Ideal for: Teams stuck on outdated frameworks or scaling bottlenecks
Microservices Architecture Design
We help you shift from tightly coupled systems to independently deployable Java services. Using Spring Cloud, Kafka, and Docker, we build modular backends that move as fast as your teams. It’s how we bring structure to scale, without breaking everything.
Ideal for: Platforms shifting from monoliths or scaling fast
Cloud-Native Java Development
Our Java applications are built for the cloud from day one, containerized, observable, and cost-efficient. We deploy across AWS, Azure, and GCP using infrastructure-as-code and CI/CD pipelines. No retrofits or shortcuts, just systems that scale as your business grows.
Ideal for: Teams moving to AWS, GCP, Azure, or hybrid models
API Development & Ecosystem Integration
We design REST and GraphQL APIs that are stable, well-documented, and easy to maintain over time. Each API is built to support secure interoperability across systems, partners, or internal tools. You get cleaner integrations and fewer headaches, without sacrificing speed.
Ideal for: SaaS integrations, headless products, or platform plays
AI & Machine Learning Integration
We integrate ML workflows into Java systems using TensorFlow, Mahout, and custom Java-compatible pipelines. From real-time scoring to recommendation engines, we connect models directly to production. Your product gets smarter, without complex rewrites or separate codebases.
Ideal for: Products using data for insight, action, or recommendation
Big Data & Analytics Integration
We engineer high-throughput data pipelines using Spark, Hadoop, and Elasticsearch to support real-time or batch use cases. From ingestion to transformation, everything is built to handle scale and speed. The result: insights when you need them, without performance tradeoffs.
Ideal for: Operational reporting, data platforms, and ETL-heavy systems
Performance Tuning & JVM Optimization
We analyze and optimize your Java environment using profiling tools, heap analysis, and thread diagnostics. From GC tuning to latency fixes, every change is tested for real-world impact. The outcome? Faster systems, smoother scaling, and lower operational costs.
Ideal for: Apps under stress, user load, or uptime SLAs
Security-First Java Development
Every application includes built-in security layers, authentication, authorization, and encrypted data flow. We align with compliance standards like HIPAA, GDPR, and SOC 2 from the start. Because in regulated environments, security isn’t a feature, it’s a foundation.
Ideal for: Regulated systems in finance, healthcare, or enterprise tech
Maintenance, Monitoring & Java Support
We provide post-launch support with monitoring, patching, and proactive system audits. Issues get resolved fast, updates are handled cleanly, and your app keeps running without friction. It’s support that protects your roadmap, not just your codebase.
Ideal for: Teams without internal ops or fast-moving product teams
Java Consulting & Architecture Advisory
Our senior architects help assess your stack, optimize your architecture, and guide key technical decisions. We audit systems, identify scaling risks, and build modernization roadmaps that align with business goals. You get clarity, not just opinions, and a plan grounded in experience.
Ideal for: CTOs, tech leads, or teams planning rearchitecture
DevOps & CI/CD Automation for Java Projects
We build deployment pipelines using Jenkins, GitHub Actions, Docker, and Kubernetes to streamline releases. From code commit to production, everything is tested, versioned, and automated. Your team moves faster, deploys safer, and avoids late-stage surprises.
Ideal for: Teams investing in reliable delivery and faster iteration
Our Java experts can help you scope the right solution, no pressure, just clarity.
Our Java Tech Expertise
Bad tech choices cost you twice, once in delivery and again in rework.
At Aegis, we don’t just follow trends as a Java development company in India. We choose tools and frameworks that perform at scale, simplify maintenance, and hold up under pressure. From day one, we align your stack with your roadmap.
| Category | Tools & Frameworks | Why It Matters |
| Frameworks | Spring Boot, Hibernate, WebFlux, Micronaut | Modular, lightweight builds, fast to deploy, easy to extend |
| Cloud Platforms | AWS, Azure, Google Cloud | High availability, cloud-native, regionally scalable infrastructure |
| DevOps & CI/CD | Docker, Kubernetes, Jenkins, GitHub Actions | CI/CD pipelines for frequent, stable, and automated releases |
| Databases | PostgreSQL, MongoDB, Elasticsearch | Matched to your data model, structured, unstructured, or search-heavy |
| Security & Compliance | Spring Security, OAuth2, GDPR, HIPAA | Built-in compliance and access control for regulated industries |
| Testing & QA | JUnit, JMeter, Selenium | Continuous testing is built into every sprint, not afterthought bug-fixing |
Why Java Wins for Modern Development
When deadlines are tight and systems can’t fail, flashy stacks fall short. That’s why global banks, logistics platforms, and healthcare systems still run on Java.
It’s not just legacy, it’s trusted, proven, and engineered for real-world complexity.
Enterprise-Grade Uptime
Java’s architecture is built for reliability, ensuring your platform keeps running even under pressure. That’s critical when a few minutes of downtime could mean lost revenue or regulatory risk.
Modular by Design
From monoliths to microservices, Java handles complexity without chaos. It’s ideal for distributed systems where scale, isolation, and service orchestration matter.
Cross-Platform Flexibility
Deploy across cloud, hybrid, or on-prem environments without rewriting code. Java’s portability keeps your ops team efficient and your roadmap flexible.
Backed by a Global Engineering Force
With one of the largest developer communities in the world, Java evolves with the times. You’ll never struggle to find talent, tooling, or support.
Used by the Industries That Can’t Afford to Experiment
Payment systems. Hospital ERPs. Retail inventory engines. The object-oriented programming language has powered them all because when scale and uptime matter, Java shows up.
Industries We Serve
When downtime costs money or lives, software can’t afford to break. That’s why fintech leaders, healthcare innovators, and logistics platforms trust our Java teams to build reliable systems under pressure.
From compliance-heavy architectures to user-intensive platforms, we build for the real-world demands of your industry.
| Industry | Common Challenge | Java-Powered Outcome |
| Manufacturing | Siloed operations and lack of real-time visibility | Java-based ERP systems and smart inventory tools for end-to-end production oversight |
| Insurance | Complex claims workflows and outdated platforms | Claims automation, risk modeling, and customer-facing policy systems |
| Banking & Finance | Real-time fraud detection and core system modernization | Secure, scalable Java solutions for payments, trading platforms, and fraud prevention |
| Retail & Ecommerce | Fragmented inventory, poor CX, slow checkout | Real-time Java apps for inventory sync, CRM, and high-volume transaction processing |
| Telecommunications | Customer churn and legacy billing systems | Self-service portals, real-time billing engines, and backend service orchestration |
| Healthcare | Disconnected patient records and compliance bottlenecks | HIPAA-compliant hospital systems, EHR platforms, and care coordination tools |
| Automotive & Transport | Fleet inefficiencies and logistics disruption | Route optimization, fleet tracking, and predictive maintenance powered by Java |
| Government & Public Sector | Outdated citizen platforms and legacy data silos | Java-based e-governance portals, taxation systems, and voting platforms |
| Education | Scalability issues and outdated student platforms | Learning Management Systems, virtual classrooms, and secure information systems |
| Hospitality & Travel | Booking inefficiencies and fragmented loyalty systems | Reservation platforms, loyalty engines, and dynamic booking tools |
| Energy & Utilities | Lack of operational data and reactive maintenance | Java apps for smart grid management, energy tracking, and predictive diagnostics |
| Media & Entertainment | High-volume streaming and content personalization | Real-time video platforms, gaming backends, and digital content delivery systems |
| Logistics | Inconsistent tracking and delivery delays | Live fleet tracking, warehouse coordination, and logistics analytics using Java |
| Technology & SaaS | Rapid scaling and multi-tenant complexities | SaaS platforms, cloud-native Java apps, and role-based dashboards |
| Media & Publishing | Content fragmentation and distribution challenges | Java CMS, publishing engines, and advertising delivery platforms |
We’ve likely solved a similar challenge before.
See What Our Clients Say
We’ve helped enterprises modernize platforms, streamline operations, and scale securely using Java. Below are real-world examples of how we’ve delivered and what our clients say about working with us.
Aegis didn't just develop our Java app - they revolutionized our whole system. Their team seamlessly integrated with our existing setup, and the result was mind-blowing. If you want a Java solution that goes above and beyond, give Aegis a shot. You won't regret it. Highly recommended!
Aegis Java devs didn't just build an app - they built a relationship. They took the time to get what we needed and delivered a solution that fit our needs.
We have a decade-long partnership with Aegis and they never disappoint. Their Java team is every ready - skilled, versatile, and always ready to tackle any challenge. They've been maintaining our fintech software, and honestly, I don't know what we'd do without them. Fast responses, smart solutions - that's Aegis in a nutshell."
Case Studies: Java in the Real World
Real-world problems call for custom-built solutions. That’s why our Java solutions are never one-size-fits-all. These stories show how we’ve solved issues with systems built to last.
Secure Digital Wallet Infrastructure
Aegis built a secure, PSBT-compliant digital wallet with hardware wallet support, enabling safer Bitcoin transactions and improved transparency. The result: a frictionless, trust-led crypto experience.
See More
How We Deliver Java Projects
Delivery is about trust, visibility, and follow-through. As a reliable Java development company, our process is built to reduce surprises, move fast without breaking things, and keep you in control at every stage.
Project Kickoff
We start by understanding your business, not just your backlog. From goals to gaps, we map out what success looks like technically and strategically.
Solution Design
No overengineering. No assumptions. We design systems that align with your existing stack, scale requirements, and delivery pace, while building for change.
Team Integration
Our Java engineers don’t need hand-holding. We ramp up fast, integrate smoothly, and move in rhythm with your internal team or product cycles.
Agile Delivery
We focus on shipping usable, stable code that clears blockers and delivers measurable progress every week.
Post-Launch Support
Post-deployment, we stay close, offering performance tuning, monitoring, and iterative improvements based on user behavior and system data.
Need full-cycle ownership? We’ve got you covered. Looking for something more tailored?
Flexible Engagement Models
You bring the priorities. We’ll match the model. From long-term team extensions to short-term sprints, we shape our engagement to fit how your business runs, not the other way around.
Here are three flexible ways we can work together:
Monthly Basis
Hire our dedicated Java developers on a rolling monthly contract. Ideal for long-term projects or when you need consistent, embedded support without the overhead of hiring.
Best for: Ongoing builds, product scaling, or plugging into existing teams
Hourly Basis
Pay only for the hours logged, whether it's new feature development, bug fixes, testing, or on-demand consulting. Full visibility, no surprises.
Best for: Rapid prototyping, support work, or flexible project scopes
Complete Project Ownership
We handle the entire project lifecycle, from planning to deployment, under fixed milestones or phased delivery. You define the outcome, we take care of the rest.
Best for: Start-to-finish Java projects with clear deliverables and timelines
Not sure which path fits your needs?
FAQs
Yes. Whether you're using legacy stacks, microservices, or a mix of both, our teams integrate seamlessly with your tools, workflows, and deployment models, without disrupting what already works.
We follow peer-reviewed code practices, enforce consistent architecture standards, and bake testing into every sprint. The result? Cleaner code, fewer regressions, and systems that stay healthy as they scale.
Yes, we can design or optimize your CI/CD pipelines using Jenkins, GitHub Actions, or cloud-native tools, ensuring faster, more reliable deployments from the start.
After launch, we stay involved through performance monitoring, feature updates, and on-call support. You can scale support as needed, from periodic check-ins to a dedicated ongoing team.
Yes. Through our services of Java development in India and abroad, we handle phased migration, prioritizing system stability, data integrity, and seamless rollout. You get modularity without the risk of operational disruption.
As of sept 2025, Java 23 has been released officially. On the other hand Spring Boot 3.x is designed such a way that it is compatible with Java versions 17 through 23. This compatibility actually ensures that we can leverage the latest features of Java 23 within their Spring Boot 3.x applications.
Introduced in Java 17, text blocks are a potent tool that makes managing multi-line texts easier and improves readability and maintainability. They avoid the need for complicated escape sequences and concatenations that are typical of ordinary string literals by enclosing the text in triple-double quotes (“”). Because of this, text blocks are perfect for working with structured forms such as SQL queries, HTML, JSON, and XML.