Backend Engineer

• Develop, maintain, and enhance backend applications using C# and .NET.
• Build and maintain scalable microservices and REST APIs.
• Implement asynchronous and parallel processing solutions using Task Parallel Library (TPL).
• Develop integrations using messaging technologies such as Kafka, RabbitMQ, Solace, or similar platforms.
• Work with Docker containers and contribute to CI/CD pipelines using GitHub Actions, Azure DevOps, or similar tools.
• Implement logging, monitoring, tracing, and observability best practices.
• Apply SOLID principles, Design Patterns, and Domain-Driven Design (DDD) in software development.
• Collaborate with cross-functional teams to deliver high-quality, reliable software solutions.
• Troubleshoot technical issues, optimize application performance, and contribute to continuous improvement initiatives.

Backend Software Engineer, .NET

Software Engineer

• Avaliação das necessidades dos usuários para resolução de dúvidas e problemas em parceria com o time de tecnologia;
• Comunicação direta com os candidatos para oferecer um serviço ainda mais humanizado;
• Criação, consolidação e gestão dos KPIs de eficiência e qualidade do atendimento;

Analista Programador, SQL

Frontend Engineer

• Play a central role in the migration of our legacy frontend to React — defining patterns, setting standards, and building incrementally without breaking what's live.
• Design and evolve a scalable frontend architecture — component systems, state management, performance patterns, testing strategy — built to grow with the product.
• Work closely with Product and Design to implement omnichannel UI experiences across voice, chat, email, and other digital channels.
• Define and enforce frontend engineering standards — code quality, accessibility, performance, and maintainability.
• Mentor other engineers on React best practices and frontend architecture decisions.
• Contribute to backend development when required — using Node.js and Nest.js — whether that's building APIs, fixing issues, or unblocking the team.
• Actively contribute to technical discussions, challenge scope, and propose better approaches when you see them.
• Help the team move faster by reducing friction — better tooling, cleaner abstractions, clearer patterns.

Software Engineer, ReactJS, TypeScript

• Designing and executing the migration of a large-scale Microsoft SQL Server environment into PostgreSQL architecture.
• Contributing to the transformation of a legacy monolithic database into a distributed PostgreSQL platform.
• Responsible for database migration strategy, schema redesign, performance optimization, and architecture improvements.
• Collaborating with software engineers, architects, and technical stakeholders.
• Exploring and integrating AI-assisted engineering tools into daily workflow to improve productivity.

Senior Database Engineer – PostgreSQL, MS SQL Server

Full-stack Engineer

• Lead the design, build, and evolution of fullstack applications using React (TypeScript), Kotlin, Python, and Ruby
• Architect and develop scalable APIs and microservices deployed on AWS, Azure, or GCP
• Take ownership of complex features from design through to production and ongoing operation
• Drive architectural discussions and contribute to long-term technical strategy
• Collaborate with cross-functional teams to deliver secure, privacy-compliant features aligned with regulations (e.g., GDPR, BIPA, CCPA)
• Mentor engineers through code reviews, pairing, and technical guidance
• Improve system reliability, scalability, observability, and performance
• Partner with product and UX teams to deliver high-quality, user-centric experiences
• Champion secure coding practices and contribute to identity and cryptographic systems
• Identify and implement improvements to engineering practices, tools, and workflows

Software Engineer II

• Preparing, conducting, and evaluating training sessions and workshops on software topics-both in-house and at client sites
• Conducting technical content to international audiences with varying levels of prior knowledge
• Developing, maintaining, and continuously improving training materials and learning material in collaboration with our content management team
• Establishing and further developing train-the-trainer programs in an international setting, supporting colleagues with technical inquiries and training needs
• In consultation with your manager, you will independently develop software for projects, emulate it, and contribute to the commissioning of systems through to final acceptance
• Close collaboration with functional departments such as R&D, Engineering, Product Management, and Service

Technical Trainer – Software Developer

• Develop and maintain modern web applications using **React, Next.js, and TypeScript**;
• Design and implement APIs and backend services using **Node.js**;
• Work with **Supabase**, including PostgreSQL databases, authentication, storage, and server-side functionality;
• Translate product and business requirements into effective technical solutions;
• Participate in technical decisions regarding architecture, integrations, data models, and scalability;
• Integrate internal products with external platforms, services, and APIs;
• Deploy, monitor, and maintain applications using platforms such as **Vercel**;
• Ensure code quality through testing, code reviews, refactoring, and continuous improvement;
• Identify and resolve performance, security, and reliability issues;
• Contribute to CI/CD processes and development best practices;
• Collaborate closely with product, design, and other stakeholders throughout the development lifecycle.

Fullstack Developer – React, Next.js, Node.js

• Development of Java applications and frameworks
• Maintenance and improvement of scripts using Java, SQL, Cucumber and Selenium
• Setup, monitoring and maintenance of CI/CD pipelines using Jenkins
• Monitoring of test execution results and delivery of quality metrics and reports

Java Developer – Mid/Senior

• Assess user needs to resolve questions and issues in collaboration with the technology team;
• Communicate directly with candidates to provide a more humanized service;
• Create, consolidate, and manage KPIs for service efficiency and quality;

Programmer, SQL

• Join a client project focused on building, integrating, and operating resilient cloud-hosted services.
• Work closely with product, delivery, and engineering teams in an agile environment.
• Help design and deliver services that are secure, scalable, maintainable, and built to SLA standards.

Senior Software Engineer – .NET

• Implement and operationalize core backend services with fault tolerance, security, and scalability.
• Build API-first services integrating blockchain networks, third-party provider solutions, and internal systems with strong consistency guarantees.
• Implement secure service communications using cryptographic signatures, key management, and zero-trust architecture principles.
• Operationalize event-driven systems using Apache Kafka and asynchronous messaging patterns.
• Build highly available, strongly consistent, horizontally scalable services.
• Implement robust concurrent and asynchronous processing patterns for multi-threaded workloads.
• Integrate Web3 SDKs and libraries for on-chain interactions, transaction signing, and state monitoring.
• Implement structured logging, distributed tracing, metrics, and OpenTelemetry instrumentation.
• Produce and maintain high test coverage via automated unit, integration, and functional testing frameworks within CI/CD pipelines.
• Produce and maintain technical documentation, API specifications, and operational runbooks.

Senior Software Engineer, Java

• Build and maintain iOS applications using Swift and SwiftUI.
• Integrate AI-powered features through backend APIs.
• Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks.
• Optimize performance, memory usage, and battery efficiency.
• Capture user signals and feedback to support AI evaluation and iteration.
• Collaborate closely with backend and ML engineers on API design and system behavior.
• Maintain high App Store quality, stability, and production reliability.

iOS Software Engineer

Android Engineer

• Own the Android client experience for AI interactions on mobile devices.
• Build and maintain production Android apps using Kotlin.
• Integrate AI-powered features via backend APIs.
• Design UX patterns for AI interactions.
• Optimize performance, memory usage, and responsiveness for AI-heavy flows.
• Implement analytics, logging, and feedback capture for AI evaluation.
• Collaborate with backend and ML engineers on API contracts.

Android Software Engineer

• Collaborate with teams to deliver Appian solutions
• Develop and maintain applications
• Participate in all stages of the development process
• Work on troubleshooting and problem-solving within the app

Appian Developer

• Design, build, and maintain backend services and APIs (C#/.NET) that power the platform's core business logic.
• Implement and maintain the service layer for asset tracking, facility navigation, and event detection features.
• Integrate with third-party positioning/telemetry providers and their APIs.
• Define and evolve API contracts in collaboration with the frontend team (web admin portal and mobile app).
• Write automated tests, participate in code review, and help keep the codebase maintainable as the platform grows.
• Support deployment, monitoring, and troubleshooting of backend services in production.

• Build and maintain the React Native driver app: QR onboarding/consent flows, GPS/BLE data display
• Implement Mapbox GL JS features: live position overlays, zone/dwell visualization, realtime map layers
• Own frontend performance and reliability for realtime, sensor-driven UI**
• Build and maintain RESTful APIs and backend services in C#/.NET
• Support GPS/BLE positioning data ingestion pipelines
• Support telemetry ingestion and zone/dwell analytics processing
• Work within an actor-model distributed backend (built on Microsoft Orleans) designed by the tech lead

Full Stack Engineer

• Own and evolve the architecture of a distributed, actor-model backend (Microsoft Orleans) handling realtime positioning and telemetry data at scale
• Set technical direction for the .NET backend: API design, data pipelines, service boundaries
• Design the path toward multi-node Orleans clustering as the platform scales
• Review code and provide hands-on technical guidance to backend and full stack engineers
• Identify and remediate security and architectural risk areas (authentication, data handling, system hardening)
• Partner with data/telemetry and QA engineers on ingestion pipeline and analytics architecture decisions
• Advise on CI/CD, staging environment, and release practices
• Act as engineering team lead: set priorities, unblock the team, and own technical quality across the engineering group
• Coordinate closely with the Project Manager on sprint planning, delivery status, and risk/blocker escalation
• Join client calls run by the project team, speaking directly to technical progress and tradeoffs when needed
• Mentor other engineers, raising the technical bar across the team

Tech Lead – Senior Software Architect

• Contributing to a professional-grade trading platform ecosystem — spanning desktop and web trader solutions and order management — where performance, reliability, and low latency are non-negotiable
• Making architecture decisions and explaining them clearly to a distributed international team

Senior .NET Developer – Trading, HFT, Low-Latency

• Join a team building cloud-based, event-driven services
• Work closely with Front-End developers to deliver performant, secure, and resilient solutions
• Take full ownership of your code — from design and development through deployment, monitoring, and production support
• Contribute to an Agile team culture that values testing, documentation, and continuous delivery
• Participate in an on-call schedule as expected

Senior Backend Developer, Node.js, TypeScript

• Design and develop robust, scalable Java applications
• Collaborate with teams to lead software architecture decisions
• Mentor junior developers and facilitate knowledge sharing
• Ensure high performance and responsiveness of applications
• Participate in code reviews and maintain coding standards

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