Backend Developer
albo is a leading fintech company offering financial products to individuals and SMBs with the mission to bring financial freedom to everyone everywhere.
About The Role
As a Senior Backend Engineer you'll design, build, and operate the microservices that power albo's core financial products â from card issuing and authorization to credit lines, payments, and money movement. You'll own services end-to-end across our polyglot, event-driven platform, making pragmatic architectural decisions that keep money-critical flows correct, idempotent, and observable at scale. You'll work close to the domain (SPEI, ledgers, credit, authorization) and close to production, partnering with Product, Infra, and other engineering squads to ship reliable financial infrastructure.
What Youâll Be Doing At Albo
- Design, build, and maintain backend microservices in Go and Java/Quarkus within our domain-oriented architecture (customer, account, transactional, and shared domains).
- Own services end-to-end: architecture, implementation, testing, deployment to QA/SBX/PROD, monitoring, and on-call ownership of what you ship.
- Build event-driven and REST integrations across services (Pub/Sub, service-to-service REST via our private-proxy mesh), with strong guarantees around idempotency, reconciliation, and failure handling (dead-letter/reprocess, no silent data loss).
- Model and evolve data across MongoDB and SingleStore/MemSQL, keeping dual-write flows consistent between the display source of truth and what card authorization actually validates.
- Ship through our CI/CD (Jenkins shared pipelines, containerized deploys to GKE/Kubernetes on GCP), managing configuration and secrets via GCP Secret Manager.
- Write clean, self-documenting, well-tested code; participate in code reviews and raise the engineering bar for correctness and simplicity.
- Collaborate cross-functionally with Product, Infra/Platform, and other backend squads to break down epics into shippable, incremental deliveries.
- Instrument observability (structured logging, metrics, tracing) and use it to debug production issues and continuously improve reliability and performance.
- Contribute to technical design docs, architecture diagrams, and shared conventions/scaffolding that scale the team.
- Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent hands-on experience).
- +5 years of experience building and operating backend services in production, ideally in the Banking or Fintech industry.
- Strong proficiency in at least one of Go or Java (Quarkus/Spring or similar), and willingness to work across both in a polyglot environment.
- Solid experience with microservices and distributed systems: REST APIs, asynchronous/event-driven messaging (Pub/Sub, Kafka, or similar), service boundaries, and versioned contracts.
- Hands-on experience with cloud infrastructure (GCP preferred), containers and Kubernetes, and CI/CD pipelines.
- Comfort with both SQL and NoSQL data stores (MongoDB, SingleStore/MySQL/Postgres) and an eye for data consistency in money-critical flows.
- Deep understanding of reliability patterns â idempotency, retries, reconciliation, graceful degradation â and why they matter when handling real money.
- Familiarity with fintech/payments concepts (card authorization, ledgers, transfers, credit) is a strong plus.
- Customer Centricity: You're customer-obsessed, constantly thinking about improving the customer experience.
- Hands-on: We're looking for a comfortable and willing leader to be a hands-on contributor who is energized by rolling up their sleeves, making things happen, and enabling the team to do the same.
- Done is better than perfect: As things change and move quickly, you are excited by the fast pace and opportunity to constantly learn and help your team learn.
- Communication: Excellent ability to communicate internally and externally, quickly build relationships, and work cross-functionally.
- Extreme ownership: You hold yourself accountable to a high bar. You are supremely organized and see what needs to happen to achieve goals.
- Results & Data Driven: You understand the business metrics you are responsible for, and you demonstrate these insights to drive constant improvement.
Please mention the word **PORTABLE** and tag RMTQyLjQ0LjIxNS45OQ== when applying to show you read the job post completely (#RMTQyLjQ0LjIxNS45OQ==). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human.
Skills
- dev
- design
- technical
- testing
- exec
- quality assurance
- finance
- java
- cloud
- nosql
- sql
- mongo
- senior
- sys admin
- golang
- engineer
- backend
- digital nomad
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