SEEKING WORK

Location: Florianopolis, Brazil (UTC-3)

Remote: Yes, preferred. Open to relocation to the US, EU, UK or Canada with visa sponsorship.

Willing to relocate: Yes, with sponsorship.

Technologies: Java (10 years) / Spring Boot, Kotlin, Redis, ClickHouse, MySQL / MariaDB / PostgreSQL, Docker, Ansible, Linux, AWS, Kubernetes, Helm, ArgoCD, Terraform, Grafana, TypeScript / Next.js. Secondary: Go, Rust, Python. Claude Code daily for the last 11 months.

Resume/CV: https://lucasfrederico.dev

GitHub: https://github.com/lucasfrederico

Email: lucas.frederico@outlook.com.br

About me. Senior backend engineer, ten years on the JVM. Since 2021 I have been one of the engineers behind LoverCraft, a US survival network that peaks at 1,500 concurrent players and holds 300 to 450 on a normal evening, with 30+ cross-server services spread across several Debian hosts. Team of three to five. My work is low-latency cross-server state over Redis, an economy with an audit row per transaction, JVM tuning, and end-to-end telemetry on ClickHouse. When a backend goes down mid-session, players notice in seconds and I am in the incident channel.

Before that, five years at Senior Sistemas building Java, Spring Boot and Angular for Kinross Gold, Petrobras, Banco BMG and Grendene. Intern to owning the software factory's architecture area.

Production work is closed-source under contract. The open-source side is on GitHub, written up on the site. Best fit: real-time or high-throughput backends, game and multiplayer infrastructure, platform work. English is fluent written, intermediate spoken.

This Dot Labs | Senior Android Engineer (Kotlin), Senior React Native Engineer, Senior JavaScript Engineer, Software Architect | REMOTE

This Dot Labs is an AI-native software engineering consultancy with a remote-first, global team. We help companies design, build, modernize, and scale production software.

We are hiring experienced engineers for:

* Senior Android Engineer (Kotlin) * Senior React Native Engineer * Senior Software Engineer (JavaScript, React, Angular, Vue) * Software Architect

You will work directly with clients and collaborate with experienced engineers across time zones. We value strong communication, independent ownership, technical excellence, and active participation in the developer community.

Details and applications: https://www.thisdot.co/jobs

Questions: jobs@thisdot.co

Please mention Hacker News when applying.

Attentive | Senior and Staff Software Engineers | NYC | Hybrid (Tues–Thurs in office) | Full-time

I’m hiring two engineers for Attentive’s List Growth team: one Senior and one Staff. We build the signup experiences that collect email addresses and phone numbers for brands using Attentive. It’s a high-scale, top-of-funnel product used across billions of site visits.

Both roles are full-stack but backend leaning. Our backend is primarily Java/Kotlin and Spring Boot on AWS and Kubernetes; the frontend is React and TypeScript. The work includes distributed systems, APIs, experimentation infrastructure, and customer-facing product development.

The whole team is based in NYC and works together in the office Tuesday through Thursday. The Senior range is $170k–$230k; Staff is $205k–$275k, plus equity and benefits.

Senior: https://job-boards.greenhouse.io/attentive/jobs/4227854009

Staff: https://job-boards.greenhouse.io/attentive/jobs/4301174009

I’m the hiring manager... feel free to apply directly or email me at bcraig@attentive.com if you have questions.

Deya | Multiple Roles | New York, NY | HYBRID (NYC) or REMOTE | Full-time | https://deya.health/careers/

Everyone in health AI is chasing scribes and diagnostics. Almost no one is building the longitudinal data layer that captures what actually happens to patients over time. That is the real moat, and we are building it for eye care.

Deya sits between doctor and patient, capturing symptoms, treatments, outcomes and ocular images over time. Clinician-led, piloting with eye doctors, and we hold the largest dataset of eye images captured on smartphones. We build with AI tools daily.

Three roles, all high ownership:

Software Engineer (AI x Healthcare) - Product and infra from 0 to 1. Next.js, backend, cloud, agentic workflows, longitudinal clinical data.

Mobile Engineer (React Native, Swift, Kotlin) - A modern phone is already a clinical instrument and almost none of it has been pointed at eye care. Own the app and its UX end to end.

AI Engineer (Computer Vision + LLMs) - Own the vision pipeline turning phone photos into clinical signal, plus the LLM systems reasoning over patient history.

We have a proprietary clinical dataset and because we control capture, you can improve the data itself rather than model around its limits. Optometrists and ophthalmologists in-house to define ground truth and validate the work. Competitive salary plus equity.

All three roles and apply: https://deya.health/careers/

Pomelo Care| Remote (US) First with offices in NYC and SF. We’re building a healthier future for women and children. We combine clinical excellence, human connection, and proactive technology to ensure our patients get the care they deserve, from preconception through midlife.

- Staff Software Engineer, Patient Experience: Fullstack tech lead for our patient mobile/web apps. Stack: Expo, React Native, TypeScript, Kotlin. Apply Here: https://grnh.se/k4xos2c24us

- Senior/Staff Security Engineer: A builder-first role focused on shipping secure-by-default tooling and guardrails, not managing compliance tickets. Stack: Kotlin, Python, GCP.

Apply here: https://grnh.se/jm9kjyz34us

- Principal Product Manager, Patient Growth: Data-fluent PM to own full-funnel acquisition and retention.

Apply here: https://grnh.se/iayapr1c4us