Principal Software Engineer, GO & Rust (Engine)
Workato · Belgrade, Serbia ·
- Work mode
- Hybrid
- Seniority
- Principal
- Category
- Software engineering
- Experience
- 3+ years
- Company size
- 501-1000
Workato · Belgrade, Serbia ·
Principal Software Engineer designs and builds scalable backend systems using Go and Rust, leading technical decisions for Workato's integration platform.
Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato’s cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted foundation for organizations to automate with confidence and operationalize AI across the business. To learn more, visit
Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles. We are driven by innovation and looking for team players who want to actively build our company.
But, we also believe in balancing productivity with self-care. That’s why we offer all of our employees a vibrant and dynamic work environment along with a multitude of benefits they can enjoy inside and outside of their work lives.
If this sounds right up your alley, please submit an application. We look forward to getting to know you!
Also, feel free to check out why:
Business Insider named us an “enterprise startup to bet your career on”
Forbes’ Cloud 100 recognized us as one of the top 100 private cloud companies in the world
Deloitte Tech Fast 500 ranked us as the 17th fastest growing tech company in the Bay Area, and 96th in North America
Quartz ranked us the #1 best company for remote workers
We are looking for an exceptional System Architect to lead the design and evolution of our platform architecture. This is a hands-on role requiring deep technical expertise in building secure, scalable, and cost-efficient systems. You will be responsible for critical architectural decisions affecting system performance, security, reliability, and modularity across our entire platform.
In this role, you will also be responsible to:
Design microservices and platform features from concept to production-ready specifications
Create technical designs for complex system components and develop proof-of-concepts in Golang
Architect secure, fault-tolerant systems with automated failover, circuit breakers, and end-to-end encryption
Analyze existing system architecture to understand current implementations and plan gradual replacement of legacy components
Plan implementation phases, migration strategies, and feature deprecation timelines
Review and approve architectural designs from engineering teams with detailed feedback
Lead architecture review sessions and facilitate technical decision-making across teams
Partner with Product Managers, Dev Leads, Security, SRE and Infrastructure teams to establish platform-wide standards
Lead threat modeling exercises and drive technical consensus for platform-wide initiatives
Mentor engineers on architectural best practices and resolve complex technical challenges
Write comprehensive technical documentation including ADRs, design documents, runbooks, and API specifications
Create visual system diagrams and research technical solutions from diverse sources
Design zero-downtime migration strategies and define acceptance criteria for architectural changes
8+ years building scalable distributed systems, with 3+ years in System/Platform Architect roles
Proven experience architecting both large microservice environments (100+ services) and monolithic applications
Strong hands-on Golang coding skills - must write production-quality code
Communication & Data: Protocol Buffers, gRPC, WebSockets, Kafka event streaming, PostgreSQL (partitioning, replication, HA)
Security & Authentication: OAuth 2.0/OIDC, JWT, mTLS, data encryption, public key cryptography, zero-trust architecture
Infrastructure & Operations: Working knowledge of Kubernetes, Docker, CI/CD pipelines, Infrastructure as Code (Terraform), distributed systems patterns (Saga, circuit breakers, retries)
Scale: Experience with systems handling millions of requests/events per day
Exceptional technical writing and communication abilities for diverse audiences
Experience planning phased implementations and leading complex cross-team projects
Proven track record with feature flags, gradual rollouts, and zero-downtime deployments
Ability to facilitate architectural decision-making and create technical roadmaps
Mentorship mindset and cost analysis capabilities
Experience with AI-assisted workflows, particularly in system analysis and hunting for inconsistencies and corner cases.
Additional Languages: Ruby, Rust, Python, Java, C++, Kotlin-multiplatform
Advanced Security: Key Management Systems (HSM, AWS KMS), Secrets Management (Vault), specific crypto algorithms
Extended Infrastructure: Service mesh (Istio, Linkerd), NoSQL databases, Redis clustering, stream processing (Flink, Spark)
Cloud & Compliance: AWS/GCP/Azure expertise, PCI-DSS, HIPAA, SOC2
Community: Open source contributions, conference speaking, technical writing
(REQ ID: 2885)