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Rivac Labs
64 services

Engineering & Software Development

Full-stack, AI, platform, and specialized engineering talent to build, harden, and scale any software system.

All Engineering & Software Development services

Frontend Developer

Modern React/Vue/Angular interface development focused on pixel-perfect UI and Core Web Vitals performance.

Backend Architect

API design, database architecture, and scalable server-side systems for web and mobile products.

Mobile App Builder

Native iOS/Android and cross-platform (React Native, Flutter) mobile app development.

Rapid Prototyper

Fast proof-of-concept and MVP development for hackathons, pitches, and quick iteration.

Senior Developer

Advanced Laravel/Livewire implementation and architecture decisions for complex builds.

Desktop App Engineer

Cross-platform desktop applications (Electron/Tauri) with native integration, packaging, and auto-update.

Mobile Release Engineer

App Store and Play Store submission, code signing, staged rollouts, and crash triage for mobile releases.

Realtime Collaboration Engineer

Realtime sync, presence, and conflict resolution (CRDTs/OT) for live multi-user and offline-capable apps.

WeChat Mini Program Developer

Native development for the WeChat Mini Program ecosystem, including payment integration.

Feishu Integration Developer

Bots, workflows, and integrations built on the Feishu/Lark Open Platform.

AI Engineer

Machine-learning feature development, model deployment, and data pipelines for AI-powered applications.

Prompt Engineer

LLM prompt design and optimization that turns vague instructions into reliable AI behavior.

Multi-Agent Systems Architect

Multi-agent pipeline design and governance, topology, context, trust, and failure recovery for agentic systems.

RAG Pipeline Engineer

Production retrieval-augmented-generation pipelines: chunking, retrieval quality, hybrid search, re-ranking, and eval-driven tuning.

LLM Post-Training Engineer

Domain-specific model post-training (SFT/DPO/GRPO/RLVR) with evidence-based experiment gating and checkpoint integrity.

Knowledge Graph Engineer

Entity-relationship extraction and graph-enhanced RAG, structuring documents into queryable Neo4j/LangGraph knowledge graphs.

AI Data Remediation Engineer

Self-healing data pipelines that fix broken data at scale with zero data loss, including air-gapped small-model options.

Data Engineer

Data pipeline and lakehouse architecture (ETL/ELT) for reliable data infrastructure and warehousing.

Data Visualization Engineer

Perceptually honest, colorblind-safe, high-performance data visualization (D3/Vega) built on real chart-design principles.

Database Optimizer

PostgreSQL/MySQL schema design, query tuning, indexing, and migration planning.

Database Reliability Engineer

High-availability database operations, replication, automated failover, point-in-time backups, zero-downtime migrations.

GaussDB Expert Engineer

Enterprise OLTP performance, high availability, and migration on Huawei's GaussDB.

Search Relevance Engineer

Query understanding, embeddings, and ranking evaluation that make search results actually relevant.

Email Intelligence Engineer

Turns raw email threads into structured, reasoning-ready context for AI agents via MIME parsing and extraction.

Voice AI Integration Engineer

End-to-end speech-to-text pipelines, Whisper/ASR, speaker diarization, and structured transcript delivery.

DevOps Automator

CI/CD pipeline development, infrastructure automation, and cloud operations.

SRE

SLOs, error budgets, observability, and chaos engineering for production reliability and toil reduction.

Incident Response Commander

Incident management, post-mortems, and on-call readiness for production systems.

IT Service Manager

ITIL 4 incident, problem, and change management, SLAs, and CMDB governance.

Platform Engineer

Internal developer platforms, golden paths, and self-serve infrastructure that scale engineering teams.

API Platform Engineer

API gateway design, versioning, rate limiting, and developer-portal build-out.

FinOps Engineer

Cloud cost engineering, allocation, rightsizing, unit economics, and budget/anomaly control.

Developer Tooling Engineer

Custom CLI and internal developer tooling that speeds up build and dev workflows.

Git Workflow Master

Branching strategy, conventional commits, and Git history cleanup for CI-friendly delivery.

Software Architect

System design, domain-driven design, and architectural trade-off analysis for evolving systems.

Autonomous Optimization Architect

Intelligent LLM routing, cost optimization, and shadow testing for autonomous systems needing smart API selection.

Identity & Access Engineer

OAuth/OIDC/SAML, SSO, and RBAC/ABAC implementation with secure token and session management.

Privacy Engineer

PII discovery, data minimization, consent enforcement, and right-to-be-forgotten pipelines built directly into code.

CMS Developer

Code-first WordPress and Drupal theme, plugin/module, and content-architecture development.

Drupal Shopping Cart Engineer

Drupal Commerce storefront build-out, catalog, payments, checkout, and order management.

WordPress Shopping Cart Engineer

WooCommerce storefront build-out for catalog, payments, checkout, and conversion.

Drupal Performance Engineer

Caching, database tuning, and render-pipeline profiling for high-traffic Drupal sites and Core Web Vitals.

WordPress Performance Engineer

Caching, query/asset optimization, and plugin tuning for high-traffic WordPress sites and Core Web Vitals.

Payments & Billing Engineer

Stripe/Adyen/Braintree integration, webhook processing, dunning, and subscription-billing reconciliation.

Filament Optimization Specialist

Filament PHP admin-panel restructuring for faster, cleaner resource, form, and table workflows.

OrgScript Engineer

OrgScript grammar and AST design/validation for structured business-logic definitions.

Network Engineer

Router, switch, and firewall configuration (Cisco/Juniper/Palo Alto), BGP/OSPF, ACLs, and show-output troubleshooting.

China Network Engineer

Routing, switching, and firewall design on Huawei VRP, H3C, Ruijie, and Hillstone platforms with MLPS 2.0-compliant borders.

IoT Fleet Engineer

Device provisioning, identity, MQTT telemetry, and OTA update management for IoT and edge fleets.

Embedded Firmware Engineer

Production-grade bare-metal and RTOS firmware for ESP32/STM32/Nordic embedded and IoT devices.

WebAssembly Engineer

Rust/C++-to-WASM compilation, sandboxing, and host-binding performance work.

Video Streaming Engineer

HLS/DASH streaming, adaptive bitrate, codec selection, and CDN delivery for low-latency video.

Section 508 Accessibility Specialist

US federal Section 508/WCAG remediation, ARIA implementation, screen-reader testing, and VPAT/ACR authoring.

USWDS Developer

Accessible government interfaces built on the US Web Design System component patterns.

Internationalization Engineer

ICU MessageFormat, RTL/bidi layout, CLDR formatting, and full i18n audits to make apps translation-ready.

Solidity Smart Contract Engineer

Secure, gas-optimized EVM smart contracts and DeFi protocol development.

Technical Writer

Developer documentation, API reference, and tutorials written for clarity and accuracy.

Codebase Onboarding Engineer

Fast, factual codebase exploration that gets new developers productive in an unfamiliar repo quickly.

Code Reviewer

Constructive, security-aware code review for PR quality gates and mentoring.

Minimal Change Engineer

Fixes exactly what's asked with the smallest possible diff, no scope creep.

Rust Refactoring Specialist

Behavior-preserving Rust refactoring of crates, traits, and modules backed by evidence, not guesswork.

PDF Engine Architect

Deterministic HTML-to-PDF compilation with tagged PDF/UA and PDF/A output via Playwright render pools.

ATS Validator Architect

Resume parseability and ATS-ingestion testing, relevance scoring, layout audits, and EU AI Act/NYC LL144 compliance checks.

Universal Document Compiler

Compiles arbitrary structured data into polished proposals, technical specs, and executive dossiers.

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