Principal Software Engineer

Workato; Barcelona; Presencial; EUR 120.000 - 180.000; Jornada completa

Descripción de la vacante

Workato is seeking 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 secure, scalable systems and influencing architectural decisions across the entire platform.

You will design microservices, produce production-ready designs in Golang, govern security and reliability, mentor engineers, and collaborate with product, security, SRE, and infra teams to set platform standards.

Formación

• 8+ years building scalable distributed systems
• 3+ years in System/Platform Architect roles
• Proven hands-on Golang coding experience and production-quality code

Responsabilidades

• Design microservices and platform features from concept to production-ready specifications (Golang)
• Architect secure, fault-tolerant systems with automated failover and end-to-end encryption
• Review and approve architectural designs and lead cross-team decision-making
• Mentor engineers on architectural best practices and cost analysis
• Write ADRs, runbooks, and API specifications; design zero-downtime migrations

Conocimientos

Golang

Distributed systems

Cloud architecture

Security & encryption

Mentorship

Herramientas

Kubernetes

Docker

Terraform

Kafka

gRPC

PostgreSQL

Descripción del empleo

Job Overview

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:

Architecture & Design

• 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

Architectural Governance & Collaboration

• 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 modelling exercises and drive technical consensus for platform-wide initiatives
• Mentor engineers on architectural best practices and resolve complex technical challenges

Documentation & Planning

• 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

Requirements

Qualifications / Experience / Technical Skills

• 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.

Nice to Have

• 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 8+ years building scalable distributed systems, 3+ years in System/Platform Architect roles, Experience with large microservice environments (100+ services) and monolithic applications, Strong hands-on Golang coding skills (production-quality), Proficiency in Protocol Buffers, gRPC, WebSockets, Kafka, and PostgreSQL, Knowledge of OAuth 2.0/OIDC, JWT, mTLS, and zero-trust architecture, Working knowledge of Kubernetes, Docker, CI/CD, Terraform, and distributed systems patterns (Saga, circuit breakers), Experience with systems handling millions of requests/events per day, Exceptional technical writing and communication skills, Experience with phased implementations and cross-team projects, Track record with feature flags and zero-downtime deployments, Ability to create technical roadmaps and facilitate decision-making, Experience with AI-assisted workflows for system analysis