Note: The job is a remote job and is open to candidates in USA. TransCore is building Smart Mobility, a cloud-native mobility platform connecting tolling, parking, transit, agencies, partners, and consumer applications. The Senior Software Engineer will design, build, test, and operate Azure-based backend services, APIs, integrations, and web experiences while contributing to testing, production ownership, security, performance, mentoring, and technical decisions.
Responsibilities
- Service development: Design, build, test, and operate scalable backend services and APIs in C# and .NET, including asynchronous and multi-threaded processing of high-volume transaction data
- Cloud-native patterns: Build services that run as containers on Azure, scale horizontally, degrade gracefully, and handle retries, idempotency, and backpressure correctly
- Event-driven processing: Implement message-driven and event-driven workflows using queues and streaming technologies such as Azure Service Bus, Event Hubs, Kafka, or RabbitMQ
- Integrations: Build and maintain integrations to internal tolling and account-management systems, payment providers, and partner APIs against published interface contracts
- Authentication and API standards: Implement authentication and authorization to standard, using OAuth 2.0 and OpenID Connect for user and service flows, JWT validation, scopes and claims, TLS and mTLS for service-to-service calls, and no hand-rolled auth
- Data layer: Design schemas, write and tune queries, and own data access and migrations across relational and NoSQL stores
- Full stack contribution: Contribute to Angular and TypeScript front ends for customer and operator web applications as product needs require
- Testing: Write unit and integration tests as part of the definition of done, and partner with QA Automation on coverage for the features you build
- Production ownership: Own your services in production, respond to issues in the code you own, and take part in on-call rotation and root cause analysis as the team matures
- Instrumentation and telemetry: Instrument services with OpenTelemetry traces, metrics, and logs against the platform standard, and use Dynatrace and the Grafana stack to answer what a service is actually doing in production
- Secure by default: Build to security and PCI-DSS expectations, including safe handling of payment and personal data, secrets management, and secure API design
- Performance: Profile and tune services against throughput and latency targets, and identify scaling limits before they reach production
- Design participation: Take part in design reviews and technical decisions, document what you build, and make the tradeoffs explicit
- Code review and mentoring: Review peer code, mentor less experienced engineers, and help set the coding standards and patterns for a new codebase
- Agile delivery: Work in sprints, give realistic estimates, and surface risk early rather than late
Skills
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience
- 10 to 13 years of professional software development experience, with recent hands-on work building production services
- Strong C# and .NET experience, including .NET Core or later, ASP.NET Core Web API, and asynchronous or multi-threaded programming
- Demonstrated experience designing and operating cloud-native applications on Azure, AWS, or GCP, with Azure preferred
- Practical experience with message queues or event streaming, and with the failure modes of distributed systems
- Working knowledge of authentication and API security standards, including OAuth 2.0, OpenID Connect, JWT, TLS and mTLS, and safe handling of tokens, keys, and secrets in application code
- Experience designing systems that scale, including caching, partitioning, load distribution, and performance tuning
- Strong database skills, including schema design and query tuning in SQL Server or PostgreSQL
- Experience with containers and Docker, and comfort working in a CI/CD environment with Git-based source control
- Experience instrumenting applications for observability, ideally with OpenTelemetry, and using an APM or dashboarding platform such as Dynatrace, Grafana, or Application Insights to diagnose real production problems
- Strong debugging, analytical, and written communication skills
- Front-end development experience with Angular and TypeScript, including HTML5, CSS3, and modern single-page application patterns
- Working knowledge of Python or Go as a secondary language
- Experience integrating with an identity provider such as Microsoft Entra ID, Auth0, or Okta, including SAML, SCIM, or agency and enterprise single sign-on
- Experience with OpenAPI-first API design, versioning, and contract testing
- Experience with Kubernetes or Azure Kubernetes Service
- Experience with NoSQL or document stores such as Cosmos DB, and with caching layers such as Redis
- Experience with payments, digital wallets, or high-security transaction processing, including PCI-DSS environments
- Experience with systems that interface with IoT devices, BLE beacons, roadside hardware, or telematics, and with high-volume real-time data ingestion
- Background in mobility, transportation, tolling, parking, or logistics technology
- Experience using approved AI-assisted engineering tools responsibly to accelerate development and troubleshooting
Benefits
- Will consider remote applicants for the right skillset.
- Position may be hybrid, with a blend of in-office and remote work.
- Relocation is available for the right candidate.
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