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Role Overview We are seeking a highly experienced Lead / Principal Java Engineer to design and build next-generation distributed systems across backend services, edge computing, and AI/ML platforms. This is a hands-on technical leadership role for an engineer who can take complex systems from 0 to 1, make architectural decisions, and write production-quality code. The ideal candidate thrives in an ambiguous, fast-moving environment and enjoys working across multiple technical domains. Key Responsibilities Design and build end-to-end distributed systems spanning edge detection, ingestion APIs, processing, storage, and downstream services. Develop highly scalable backend services using Java and Spring Boot. Design and implement APIs, microservices, event-driven architectures, and data processing pipelines. Architect and develop solutions using AWS and edge/CDN computing technologies. Build solutions for data normalization, feature pipelines, and ML model serving/integration. Design third-party integrations including identity, authentication, token validation, and secure data exchange. Make technical decisions around storage, reliability, observability, security, and governance. Work closely with data science, product, and engineering teams to move AI/ML capabilities from experimentation into production. Lead technical design discussions and communicate architecture decisions across teams. Take ownership of greenfield initiatives from concept through implementation and production. Use AI-assisted development tools such as GitHub Copilot and LLM-based coding assistants to improve engineering productivity. Mentor other engineers and provide technical leadership through hands-on development and design.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.