Senior Software Engineer (Go, Java) - 3rd Party Integrations

sentinellabs; United States; Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Equity (RSUs)

Employee stock purchase plan

Performance-based bonus

Generous PTO & flexible time off

Private medical care & life insurance

Wellbeing benefits

Job summary

sentinellabs is seeking a senior engineer to build a multi-tenant, event-driven marketplace platform that enables third-party applications to deploy, execute, and stream data across a large-scale AI-driven security analytics ecosystem.

You will own architecture end-to-end, design high-throughput services in Go and Java, and lead design reviews, mentoring, and cross-functional collaboration across product and engineering teams.

Qualifications

• Strong proficiency in at least one high-level programming language, preferably Go and/or Java.
• Deep understanding of distributed systems, event-driven architectures, microservices, concurrency, and large-scale data processing.
• Track record of building systems where scale, reliability, and data volume are central concerns.
• Collaborative approach demonstrated through design discussions, code reviews, and cross-functional partnership.
• Excellent communication skills for regularly liaising with product and other engineering teams.
• Proven capacity to collaborate effectively with both local and remote teammates across time zones.

Responsibilities

• Design, build, test, document, deploy, and operate large-scale applications primarily in Go, with some work in Java
• Architect high-volume, low-latency services capable of processing millions of events per second
• Translate business and functional requirements into scalable, operable solutions that fit the broader data architecture
• Improve system reliability and data integrity through observability, performance analysis, capacity planning, and operational excellence
• Maintain and refactor existing codebases while delivering requested features and fixes
• Lead technical discussions and design reviews, conduct high-quality code reviews, and mentor other engineers

Skills

Go/Java proficiency

Distributed systems

Data processing at scale

Collaboration

Communication skills

Tools

AWS

GCP

Kubernetes

Docker

Postgres

Redis

Kafka

Job description

Role overview

This senior engineering role focuses on building and evolving a multi-tenant, event-driven marketplace platform that lets third-party integration applications deploy, execute, and stream data across a large-scale, AI-driven security analytics ecosystem. The work spans designing the customer-facing catalog experience as well as the high-throughput services behind it, blending traditional distributed-systems engineering with thoughtful AI-assisted development practices. It suits an engineer who enjoys owning architecture end-to-end and shipping reliable systems at scale.

Responsibilities

• Design, build, test, document, deploy, and operate large-scale applications primarily in Go, with some work in Java
• Architect high-volume, low-latency services capable of processing millions of events per second
• Translate business and functional requirements into scalable, operable solutions that fit the broader data architecture
• Improve system reliability and data integrity through observability, performance analysis, capacity planning, and operational excellence
• Maintain and refactor existing codebases while delivering requested features and fixes
• Lead technical discussions and design reviews, conduct high-quality code reviews, and mentor other engineers

Requirements

• Strong proficiency in at least one high-level programming language, preferably Go and/or Java, with the ability and interest to work across both
• Deep understanding of distributed systems, event-driven architectures, microservices, concurrency, and large-scale data processing
• Track record of building systems where scale, reliability, and data volume are central concerns
• Collaborative approach demonstrated through design discussions, code reviews, and cross-functional partnership
• Excellent communication skills for regularly liaising with product and other engineering teams
• Proven capacity to collaborate effectively with both local and remote teammates across time zones

Nice to have

• Familiarity with AWS and/or GCP, Kubernetes, Docker, Postgres, Redis, and Kafka
• Previous experience developing security-related products
• Ability to quickly delve into new products and comprehend their inner workings

Benefits and work setup

• Equity components including restricted stock units, an employee stock purchase plan, and a performance-based bonus
• Generous paid time off plus flexible time off, paid company wellness days, fully paid short-term sick or nursing leave, and gender-neutral parental leave
• Private medical care, life and disability insurance, pension contributions, global business travel medical insurance, and an Employee Assistance Program
• Hybrid work in Prague (Karlin) or Brno (Clubco), or remote within the Czech Republic or Slovakia; Prague-based employees work from the office at least two days per week
• Home office allowance, meal allowance, wellbeing allowance, a MultiSport benefit program, and access to a wellness coach app