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Senior Java • Spring Boot • AWS • B2B Engineering

Senior Java and Spring Boot engineering for teams that need to move faster

We help product companies and software agencies fix, modernise and extend production Java/Spring Boot systems — or add senior engineering capacity without opening permanent headcount.

14 years’ founder-led engineering experience · B2B & GST invoicing · White-label friendly · Remote delivery from India

Capacity available: currently accepting one new Java/Spring Boot/AWS engagement.

Delivered and independently verified on Upwork Freelancer

Pune, India — remote delivery worldwide NDA + IP protection

Most requested

Production issue, unstable backend, or a Java codebase nobody wants to touch?

Java/Spring Boot Technical Triage

We review the system, identify the highest-priority problems, and give you a concrete remediation plan.

2–3 working days
Price
From ₹35,000 $500

What we do

Four services, nine fixed-scope offers

Every offer has a duration and a starting price published on the services page.

Enterprise Java & Backend Engineering

Architecture and modernisation, REST APIs and microservices, cloud deployment, third-party and event-driven integrations, and production troubleshooting.

Track record

Fourteen years of production Java and Spring delivery in regulated software — banking, healthcare and cross-border compliance.

Flexible B2B Delivery

Senior-led Java/Spring/AWS capacity, a small delivery pod, or white-label delivery for product teams, consultancies and technology partners.

B2B · C2C-compatible engagement · GST invoiced · White-label friendly

Track record

Fourteen years of senior Java and Spring delivery in regulated software.

AI & LLM Integration

Building RAG and LLM features into existing Java/Spring Boot systems.

Track record

InfoYog, our own production AI assistant: Java 21, Spring Boot 3.x, pgvector-backed retrieval and RAG answer routing.

Secure Engineering

Secure code review, security-audit remediation, and security design review for Java and LLM systems.

Track record

Vulnerability remediation and security-audit remediation across banking and healthcare platforms, static-analysis remediation on an enterprise portal, and the secrets, auth and retrieval boundaries in InfoYog.

Who we work with

Built for product teams and delivery partners

Product & SaaS Teams

Add senior Java/Spring capacity for a backlog, modernisation initiative, production problem or release.

Software & Cloud Agencies

White-label Java/Spring/AWS engineering capacity when client demand exceeds internal delivery bandwidth.

Staffing & Consulting Partners

B2B/C2C engineering engagements through Pashyaa Technologies, with GST invoicing and defined commercial terms.

Discuss a B2B engagement

Technology

The stack we work in

Coverage across backend, AI, cloud and delivery — chosen for maintainability.

Backend & APIs

Java Spring Boot Microservices REST APIs Node.js

AI & Data

RAG retrieval LLM integration pgvector PostgreSQL SQL NoSQL

Cloud & Delivery

AWS GCP Cloud Architecture React.js Flutter Git CI/CD
Need a specific stack or platform? We can align with your standards or recommend a pragmatic architecture.
Get technical consultation

Work

Two enterprise platforms, and one we run ourselves

A cross-border VAT compliance and reporting platform for multinational enterprises, a global partner and retailer portal, and InfoYog — our own production AI assistant on Java 21 and Spring Boot 3.x.

FAQ

Common questions

Quick answers — if you have a specific requirement, we’ll tailor the approach.

What engagement models do you offer?

Five: fixed-scope / fixed-price, B2B engineering delivery, a small Pashyaa delivery pod, defined-scope delivery, and white-label / sub-vendor. We’ll recommend one based on your timeline, how well-defined the scope already is, and who needs to be client-facing.

Do you sign NDAs and support IP protection?

Yes. We routinely work under NDA and follow IP protection best practices including access controls, least-privilege permissions, and secure development workflows.

Which technologies and clouds do you support?

Java and Spring Boot are our core, alongside Node.js, React, Flutter, and PostgreSQL. We deploy on AWS and GCP.

How do you ensure quality and security?

We emphasize test strategy, code reviews, CI/CD discipline, observability, and secure coding practices. We can align to your SDLC and security baselines.

How small an engagement will you take?

The Java/Spring Boot Technical Triage at ₹35,000 and 2–3 working days is our smallest fixed-scope entry point. It is a common starting point before a larger implementation.

Ready to discuss your project?

Share your goals and constraints — we’ll respond with next steps within 1 business day.