Unlock Your Future with Nexaminds!
At Nexaminds, we're on a mission to redefine industries with AI. We're passionate about the limitless potential of artificial intelligence to transform businesses, streamline processes, and drive growth.
Join us on our visionary journey. We're leading the way in AI solutions, and we're committed to innovation, collaboration, and ethical practices. Become a part of our team and shape the future powered by intelligent machines. If you're driven by ambition, success, fun, and learning, Nexaminds is where you belong.
Nexaminds is looking for a Senior Fullstack Java Engineer who is a true builder and thrives in fast-growing environments. You enjoy designing and shipping high-performance, large-scale systems and take full end-to-end ownership of complex initiatives, from ambiguous requirements to production at scale. You are passionate about system design, data-intensive architectures, and pushing modern engineering practices forward, while mentoring others and shaping engineering culture as the team grows.This role focuses on building and scaling a platform that powers enterprise partner ecosystems used by hundreds of companies. The system already handles tens of millions of rows and is designed to scale 10× from here.
Location: MEXICO (remote)
Qualifications we are looking for:
Proven experience designing, building, and successfully scaling customer-facing production systems from a blank slat
Deep, battle-tested PostgreSQL experience at scale, including partitioning, indexing, query optimization, and multi-tenant schemas
Strong expertise in modern Java (21+) and Spring Boot, with natural use of streams, records, sealed classes, and virtual threads
Comfort working across the full stack with modern React and TypeScript using functional components and hooks
Hands-on experience with at least one major data warehouse (Snowflake, Databricks, BigQuery, or Redshift) and building analytics or BI features
Strong commitment to functional programming principles, writing immutable-by-default, testable, and reliable code
Ability to clearly explain complex technical trade-offs to both technical and non-technical stakeholders
Motivation driven by sub-second query performance on large datasets and measurable customer impact
Job duties:
Own the end-to-end architecture and implementation of major new product capabilities, from vague requirements to production at scale
Design clean, evolvable database schemas and service boundaries for multi-tenant systems handling tens of millions of rows
Build reliable data pipelines and analytics features on top of PostgreSQL, Snowflake / Databricks, and Kafka
Push the stack forward using Java 21+, Spring Boot 3+, React + TypeScript, functional patterns, immutable data flows, and a strong focus on developer experience
Make and clearly document complex technical trade-offs (consistency vs. availability, build vs. buy, normalization vs. denormalization, etc.)
Set the standard for code quality, testing, observability, and performance
- Mentor other engineers and help shape engineering culture as the team scales.
Nice to have:
Experience with Kotlin or another JVM language with a functional focus
Contributions to open source, conference talks, or a well-written technical blog
Previous experience in B2B SaaS, partner ecosystems, CRMs, or account mapping
What you can expect from us
Here at Nexaminds, we're not your typical workplace. We're all about creating a friendly and trusting environment where you can thrive. Why does this matter? Well, trust and openness lead to better quality, innovation, commitment to getting the job done, efficiency, and cost-effectiveness.
- Stock options 📈
- Remote work options 🏠
- Flexible working hours 🕜
- Benefits above the law
- But it's not just about the work; it's about the people too. You'll be collaborating with some seriously awesome IT pros.
- You'll have access to mentorship and tons of opportunities to learn and level up.
Ready to embark on this journey with us? 🚀🎉 If you're feeling the excitement, go ahead and apply!
Top Skills
What We Do
Nexaminds is a cutting-edge AI and Cloud Transformation company at the forefront of technological innovation. We specialize in developing advanced artificial intelligence solutions that empower businesses to unlock their full potential. With a team of skilled AI and Cloud experts and a passion for revolutionizing industries, we are dedicated to delivering intelligent, scalable, and customized solutions tailored to meet our clients' specific needs.
We strive to create innovative AI-driven solutions that enhance efficiency, productivity, and decision-making processes across industries. By leveraging state-of-the-art technology and fostering a culture of creativity, we aim to be the trusted partner that enables organizations to embrace the future with confidence.
