Software Engineer III – C#

Stone & Company

. Plan, execute, and prioritize complex problems related to the financial sector and/or engineering platform products .

Posted 10/27/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in software development using C#, with a strong foundation in algorithms, data structures, and design patterns. Proficient in Agile methodologies and capable of delivering technical roadmaps while collaborating with cross-functional teams in the financial sector.

Highest-signal resume keywords

C# Software DevelopmentAlgorithms And Data StructuresDesign Patterns And SOLID PrinciplesUnit And Integration TestingAgile Methodologies

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

C#AlgorithmsData StructuresDesign PatternsSOLID PrinciplesUnit TestingIntegration TestingClean CodeAI DevelopmentData Modeling

Soft Skills

Problem SolvingCollaborationConstructive Criticism

Tools & Technologies

GitGitflowDockerElasticsearchDatadogAzureGoogle CloudCI/CDAzure DevOpsRabbitMQ

Industry Keywords

Financial SectorMicroservicesEvent SourcingCQRSHexagonal Architecture

Tech Stack

Tools & technologies

AzureCloudDockerKafkaRabbitMQ

About the role

Key responsibilities & impact

Plan, execute, and prioritize complex problems related to the financial sector and/or engineering platform products
Serve as a reference point for making decisions regarding solution details
Help the team solve problems with undefined scope and collaborate with cross-functional teams
Provide suggestions and constructive criticism, contributing to technical decisions and sharing technical knowledge across the team
Independently define and deliver technical roadmaps for larger projects, often involving cross-team dependencies

Requirements

What you’ll need

Software development with C#
Strong knowledge of algorithms and data structures
Strong knowledge of design patterns and SOLID principles
Strong knowledge of unit and integration testing
Use Git fluently and have knowledge of Gitflow
Knowledge of Docker and containerization
Experience with observability tools such as Elasticsearch and Datadog
Ability to produce clean, maintainable code
Familiarity with Agile methodologies, particularly Kanban and/or Scrum
Use of AI in the development process
Nice to have: Azure and Google Cloud; Service Bus, RabbitMQ, or Kafka; microservices, Event Sourcing, CQRS, and Hexagonal Architecture; relational and non-relational data modeling; CI/CD and Azure DevOps; knowledge of and interest in the financial market

Benefits

Comp & perks

Fixed salary
Variable compensation package (profit sharing, long-term incentives, or commission), subject to role eligibility
Health and dental insurance with copayments
Hospital Virtual Verde: 24/7 telemedicine
Medication allowance
Meal and/or food allowance – Pluxee
Childcare allowance for children up to 5 years and 11 months old
Allowance for children with disabilities
Life insurance
Fuel or commuting allowance
Home office allowance for hybrid or remote contracts
Welcome Kit for new parents
SESC partnership
Education benefit: Internal self-development platform (Studa and Stone Library)
Acolhe360º: Free emotional support
Quick massage and on-site medical clinic
Optional benefits: Wellhub, TotalPass, Pet Club, Flash, Férias&Co, transportation voucher, Allya, and educational partnerships