Senior Backend Engineer at Supercharge developing scalable Kotlin and Spring Boot back - end systems. Collaborating with support teams and mentoring junior developers for seamless client experiences.
About the role
- Senior Software Engineer building and scaling backend systems for Cognitiv's advertising solutions. Collaborating with teams to enhance product integrations and drive revenue impact.
Responsibilities
- Build and maintain scalable, reliable backend systems that power integrations across multiple products.
- Collaborate with cross-functional teams (Business Development, Product, Customer Success) to define requirements and deliver solutions that enable new business opportunities.
- Dive deep into a large, multi-product codebase — debugging, optimizing, and improving backend performance.
- Write clean, maintainable, and well-tested code with a strong focus on operational excellence.
- Ensure backend systems are well-documented, observable, and resilient in production.
- Identify opportunities to automate processes, improve performance, and enhance system reliability.
Requirements
- You’re an experienced senior backend engineer who thrives in ambiguous, fast-paced environments.
- You love exploring and improving complex systems — not afraid to jump into unfamiliar codebases.
- You communicate clearly and collaborate effectively across technical and non-technical teams.
- You care about code quality, testing, and operational excellence just as much as you care about shipping features.
- You take ownership of your work and follow projects through from idea to production.
- Bonus Points If You Have
- Experience working on integrations or partner-facing systems.
- Background in AdTech, MarTech, or Data Engineering.
- Familiarity with CI/CD pipelines and monitoring tools (Grafana, Datadog, etc.).
- Exposure to distributed systems, large-scale APIs, or event-driven architectures.
Benefits
- Medical, dental & vision coverage (some plans 100% employer-paid)
- 12 weeks paid parental leave
- Unlimited PTO + Work-From-Anywhere August
- Career development with clear advancement paths
- Equity for all employees
- Hybrid work model & daily team lunch
- Health & wellness stipend + cell phone reimbursement
- 401(k) with employer match
- Parking (CA & WA offices) & pre-tax commuter benefits
- Employee Assistance Program
- Comprehensive onboarding (Cognitiv University)
- …and more!
Job title
Job type
Experience level
Salary
Degree requirement
Tech skills
Location requirements
Backend Tech Lead guiding Kotlin developers and collaborating with architects at Supercharge. Leading design and development of high - performance applications in a dynamic team environment.
Java Backend Developer developing back - end services and REST APIs for mobile applications. Collaborating with teams and ensuring security and data protection best practices in Brussels.
Mid/Senior Developer Fullstack focusing on .NET and React at CI&T. Collaborating on a platform for renewable energy management and certification.
CI&T seeks a motivated FullStack Developer to design scalable software solutions in cloud. Expertise in .NET and React is essential for meeting complex project requirements.
Full - Stack Developer responsible for creating intuitive web applications and APIs for satellite operators. Joining a diverse team fostering innovation in the space industry.
Mid - Senior Software Engineer designing and developing back - end systems for international projects. Collaborating with cross - functional teams and mentoring junior developers in Java/Spring Boot.
Senior .NET Engineer at Natech Banking Solutions developing fintech applications and mentoring junior developers. Engaging in the full software development life cycle under dynamic growth.
Senior Software Developer contributing to GovTech solutions for the judiciary sector. Working closely with architects to implement new requirements in a hybrid work environment.
Software Engineer developing cloud - based data platforms at SSW - Trading, enhancing trading systems with Python and AWS. Collaborating with analysts to drive innovation in software development.