Senior Software Engineer, Reporting Team

About the role

Omnisend is an email marketing automation platform that helps businesses of all sizes engage their customers through targeted messaging campaigns and behavioral triggers. The Reporting Team within Omnisend is responsible for building and maintaining the data reporting infrastructure that provides both customers and internal stakeholders with actionable insights drawn from campaign performance. As a Senior Software Engineer on this team, you will take a leading role in designing and improving the reporting features that power the platform. You will collaborate closely with product managers, designers, and fellow engineers to deliver reliable reporting capabilities that scale as the customer base grows. Your work will directly influence how businesses understand the effectiveness of their marketing efforts and make data-informed decisions.

Key facts

What you'll do

1. Design and develop reporting pipelines that process large volumes of marketing data efficiently and reliably.

2. Collaborate with cross-functional teams including product and design to understand reporting needs and translate them into technical solutions.

3. Build and maintain interactive dashboards that display key performance metrics for email marketing campaigns and customer journeys.

4. Optimize existing reporting queries and data models to improve response times, accuracy, and overall system reliability.

5. Write clean, well-documented code that follows established engineering standards and contributes to a maintainable codebase over time.

6. Participate actively in code reviews to ensure code quality, share knowledge, and help team members grow professionally.

7. Troubleshoot and resolve issues related to data reporting pipelines, failures, and dashboard performance in production environments.

8. Contribute to architectural decisions that shape the long-term direction and evolution of the reporting infrastructure.

9. Mentor junior engineers and provide technical guidance during the development and delivery of new reporting features.

10. Work closely with the product team to prioritize reporting enhancements, bug fixes, and new feature requests.

11. Ensure all reporting systems remain secure, reliable, and capable of handling growing data volumes and user traffic.

12. Implement automated testing strategies to validate reporting outputs, reduce manual verification effort, and increase deployment confidence.

Requirements

1. Bachelor's degree in computer science, software engineering, or a related technical discipline is required for this position.

2. Strong understanding of software engineering fundamentals, data structures, algorithms, and modern development practices is expected.

3. Experience building data-intensive applications or reporting systems in a production environment with measurable results.

4. Proficiency in at least one general-purpose programming language commonly used for backend and server-side development.

5. Familiarity with relational databases, query writing, and optimization techniques for analytical and reporting workloads.

6. Ability to work effectively in a collaborative team environment while maintaining clear and consistent communication.

7. Several years of professional software development experience at the senior level or equivalent responsibility.

8. Comfort with ambiguity and the ability to make sound independent technical decisions under pressure.

Nice to have

1. Experience with cloud platforms such as AWS or GCP for building and operating data infrastructure at scale.

2. Knowledge of data warehousing concepts, ETL pipeline design patterns, and dimensional modeling techniques for analytics.

3. Familiarity with real-time streaming data tools and event-driven architectures that support reporting and analytics workloads.

4. Prior experience working with marketing technology or customer engagement platforms in a professional or production setting.

Skills & tools

1. Programming languages commonly used for backend development and data engineering tasks in modern software teams.

2. SQL proficiency and experience writing complex queries for analytical purposes and reporting dashboards.

3. Version control systems such as Git for managing code and collaborating with other developers effectively.

4. API design and development skills for building internal and external reporting integrations and services.

5. Familiarity with Linux or Unix-based operating systems for development, testing, and deployment environments.

6. Understanding of Agile or Scrum methodologies for iterative software delivery and team-based project coordination.

Practical notes

1. This role is based in Vilnius, Lithuania, and requires regular on-site presence at the company office.

2. The position is full-time with standard business hours, though some flexibility in scheduling may be available.

3. Compensation details are not disclosed in the current listing and will be discussed during the interview process.

4. Applicants should be prepared to demonstrate their technical skills through coding exercises and system design discussions.

5. The hiring process may include multiple rounds of interviews with team members and engineering leadership.