Senior Back-End Developer

Technomar Engenharia

. Develop, enhance, and support back-end systems .

Posted 11/10/2026full-timeSão Paulo • BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in back-end development using Python, with a strong focus on asynchronous programming, API development, and database optimization. Proficient in designing scalable systems and managing complex architectural decisions while ensuring system reliability and performance.

Highest-signal resume keywords

Back-End Development With PythonAPI Development With FastAPI And WebSocketKnowledge Of Apache KafkaPostgreSQL Database Modeling And OptimizationExperience With Kubernetes And GitOps

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Asynchronous Programming With AsyncioEvent-Processing Architecture DesignHigh-Volume Query OptimizationSystem Testing Or Test AutomationData And System MigrationsIncident ManagementLoad TestingPostGIS KnowledgeCitus KnowledgeRabbitMQ Knowledge

Soft Skills

Clear CommunicationCollaboration And Knowledge SharingAnalytical SkillsStrong Sense Of ResponsibilitySystems Thinking

Tools & Technologies

Apache KafkaFastAPIWebSocketPostgreSQLKubernetesHelmArgoCDGitOpsRedisMongoDB

Certifications & Qualifications

Bachelor's Degree In Computer ScienceCourses And Certifications In Software Quality

Industry Keywords

Production ApplicationsPerformanceScalabilityReliabilityIoTIndustrial TelemetryModbus Protocol

Tech Stack

Tools & technologies

ApacheIoTKafkaKubernetesMongoDBPostGISPostgresPythonRabbitMQRedis

About the role

Key responsibilities & impact

Develop, enhance, and support back-end systems
Work with software architecture, event processing, database modeling and optimization, application scalability, and reliability
Participate in technical decisions and system migrations
Design and evolve event-processing architectures using Apache Kafka, including topic configuration, partitioning, message contracts, idempotent processing, retries, and reprocessing
Develop and maintain asynchronous services in Python and APIs using FastAPI and WebSocket
Model, implement, and optimize PostgreSQL databases, including high-volume queries, partitioning, and distributed and geospatial data structures
Plan and execute data and system migrations, minimizing operational impact and ensuring service continuity
Work with the infrastructure team on the deployment, configuration, and evolution of execution environments, including Kubernetes and GitOps practices
Investigate and resolve production incidents, contributing to root-cause identification and improvements to system resilience
Conduct code and architecture reviews, establish best practices, and contribute to reducing technical debt
Document architectural decisions and technical solutions, share knowledge, and support team development
Collaborate with the Development and Infrastructure teams

Requirements

What you’ll need

Back-end development with Python, including asynchronous programming with asyncio
API development with FastAPI and WebSocket
Knowledge of Apache Kafka
Knowledge of PostgreSQL
At least 5 years of back-end development experience
Experience with production applications, with a focus on performance, scalability, and reliability
Experience making architectural decisions and developing highly complex systems
Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field
Courses and certifications in software quality
Experience with system testing or test automation is a plus
Experience with gradual system and data migrations
Experience with Kubernetes, Helm, ArgoCD, and GitOps
Knowledge of PostGIS, Citus, RabbitMQ, Redis, and MongoDB
Knowledge of OpenTelemetry, load testing, and incident management
Knowledge of IoT, industrial telemetry, or protocols such as Modbus
Systems thinking
Autonomy and analytical skills
Clear communication
Strong sense of responsibility
Collaboration and knowledge sharing

Benefits

Comp & perks

Meal Voucher: BRL 924.00/month
Health Insurance: Bradesco
Dental Insurance: Bradesco
Life Insurance: Zurich
Wellness Platform: Wellhub
Annual Bonus