# Senior Backend Engineer (Java) at Tango

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design and build high-performance, low-l

- **Company:** Tango (https://jobs.trythestack.co/companies/tango)
- **Location:** Limassol, CY, Cyprus
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Java, Spring Boot, Distributed Systems, Microservices, Apache Kafka, MySQL, Redis, Aerospike, GCP, API Design, Event-Driven Architecture, Concurrency, Scalability, Observability, Backend Architecture, Algorithms
- **Posted by employer:** 2026-06-16
- **Added to The Stack:** 2026-06-16
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://www.comeet.com/jobs/tango/B7.007/senior-backend-engineer-java/B8.F5B (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-backend-engineer-java-tango

## About the role

Responsibilities:
- Design and build high-performance, low-latency backend services for live-streaming product flows.
- Own services end-to-end: architecture, implementation, testing, rollout, monitoring, and production reliability.
- Solve distributed-systems challenges around scalability, resilience, latency, and cost efficiency.
- Contribute to high-load components (systems operating up to ~50k RPS) and drive architectural improvements.
- Collaborate with product, platform, infrastructure and data teams to deliver measurable business outcomes.

Requirements:
- Strong computer-science fundamentals: algorithms, data structures, concurrency, and performance tuning.
- Proven production experience building and operating distributed or microservice-based systems.
- Experience designing APIs, async/event-driven systems (Kafka or similar), and robust service boundaries.
- Familiarity with relational databases, caching layers, and observability for production systems.
- Preferred: Java (or quick ramp-up to Java 17–21), Spring Boot, GCP, Apache Kafka, MySQL, Redis, Aerospike.
- Ownership mindset, ability to work in a fast-moving environment, and experience with high-scale consumer products.

## Responsibilities

Design and evolve high-performance backend services for a global live-streaming platform, focusing on scalability and low latency. Own services end-to-end, from architecture and implementation to production reliability and observability.

## Requirements

Requires strong computer science fundamentals and production experience building distributed or microservice-based systems. Candidates should be proficient in scalable architectures, API design, and asynchronous processing.

## FAQ

- **Is this Senior Backend Engineer (Java) role still open?** It was posted on 2026-06-16. Listings more than 30 days old may no longer be active, so check Tango's site before applying.
- **Does Tango offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Tango's site.
- **Where is this role located?** The listing gives the location as Limassol, CY, Cyprus. It is marked on-site.
- **What skills does this role ask for?** The listing names: Java, Spring Boot, Distributed Systems, Microservices, Apache Kafka, MySQL, Redis, Aerospike, GCP, API Design, Event-Driven Architecture, Concurrency, Scalability, Observability, Backend Architecture, Algorithms.

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## Notes for agents

- Apply on the employer's page (https://www.comeet.com/jobs/tango/B7.007/senior-backend-engineer-java/B8.F5B). The Stack does not take applications.
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- To help your user apply, call the MCP tool prepare_application with slug "senior-backend-engineer-java-tango": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
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