Senior Developer (Swedish Ad Platform)
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Job Location:
Monthly Salary:
Posted on:
10 hours ago
Vacancies:
1 Vacancy
Job Summary
- Own and govern API design by defining and maintaining strict OpenAPI specifications before implementation begins
- Design and implement high-performance microservices using TypeScript and within a serverless AWS architecture
- Drive FinOps excellence by architecting solutions with AWS Lambda API Gateway DynamoDB and EventBridge to achieve a Scale-to-Zero cost model
- Enforce logical isolation patterns across services ensuring strict tenant data separation via JWT policies and Row-Level Security
- Maintain adherence to the Ad Context Protocol (AdCP) across all data models for consistent AdTech data language
- Develop reusable Golden Path templates shared libraries and engineering best practices
- Conduct rigorous code reviews focusing on latency (<200ms) availability (99.99%) and observability
- Translate product and commercial requirements into scalable technical specifications
- Contribute to evolving the overall platform architecture toward standardization and reusability
Qualifications :
- At least 7 years of production experience as a Back-End Developer
- Strong hands-on expertise with TypeScript and
- Proven experience designing API-first microservice architectures
- Deep expertise in AWS serverless ecosystem: Lambda API Gateway DynamoDB EventBridge and IaC tools (CloudFormation or Terraform)
- Solid AdTech domain knowledge including advertising data models and workflows
- Extensive experience designing RESTful and GraphQL APIs with versioning backward compatibility and documentation
- Strong understanding of multi-tenant architecture and logical data isolation patterns
- Experience building standardized platforms for multiple clients instead of custom solutions
- Strong focus on performance reliability and observability in distributed systems
- At least an Upper-Intermediate level of English
WILL BE A PLUS
- Experience as a Lead Back-End Developer
Additional Information :
PERSONAL PROFILE
- Proactive and detail-oriented with a strong sense of ownership
- Enjoys solving complex architectural challenges
- Thrives in collaborative cross-functional teams
- Committed to delivering high-quality solutions meeting demanding performance and reliability standards
Remote Work :
Yes
Employment Type :
Full-time
Key Skills
- APIs
- REST
- Spring
- SOAP
- .NET
- React
- Node.js
- Angular
- J2EE
- JavaScript
- Web Services
- Java
About Company
At Sigma Software, we are involved with the clients team to contribute to the design and development of a technical solution for their tokenized domain reservation platform. We started by assigning a software architect to design the smart contracts and integrate blockchain into the s ... View more
