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# Senior Backend Engineer (Boosters)

Review the role, location requirements, compensation details, and application process before deciding whether this opportunity fits your next career move.

[Apply for this job](#job-application)[View company](https://jobicy.com/company/playson.md)Share14 Sep 2026Published61Listing views3Application actions14 Oct 2026Apply before  Opportunity details

## About this role.

AI SummaryThis Senior Backend Engineer role develops and optimizes promotional features for a gaming SaaS platform. The position emphasizes high-performance, scalable distributed systems, microservices, asynchronous programming, and production reliability. Core technologies include Node.js, TypeScript, gRPC, messaging systems, SQL and NoSQL databases, Kubernetes, and major cloud platforms. The engineer will lead technical decisions, conduct reviews, collaborate with distributed teams, and participate in an on-call rotation.

## Role DNA

A quick view of the complexity, pace, ownership and collaboration implied by the job description.

### Job Complexity

5/5EasyHard

### Pace & Pressure

4/5RelaxedFast-paced

### Autonomy Level

5/5GuidedFull ownership

### Communication Load

4/5IndependentCollaborative

AI insightThe role requires senior-level ownership of complex, high-scale backend services across distributed systems, cloud infrastructure, data stores, and messaging technologies. Technical decisions, production reliability, and on-call responsibilities raise the role's complexity.

## Salary analysis

Estimated compensation compared with the broader US market for similar roles.

Estimated job medianMarket rate$165,000US market range$140k–$195k0$215k

AI insightNo salary range was disclosed; "Competitive Salary" is not a measurable compensation offer. The figures are estimated annual USD base-salary benchmarks for a US-market senior backend engineer with distributed-systems, cloud, and microservices expertise; actual pay may vary by location, gaming-industry experience, and total bonus/equity structure.

## Core skills

Skills and capabilities most closely associated with this opportunity.

[Node.js](https://jobicy.com/jobs?search_keywords=Node.js.md)[TypeScript](https://jobicy.com/jobs?search_keywords=TypeScript.md)[Distributed Systems](https://jobicy.com/jobs?search_keywords=Distributed%20Systems.md)[Microservices](https://jobicy.com/jobs?search_keywords=Microservices.md)[Kafka](https://jobicy.com/jobs?search_keywords=Kafka.md)[gRPC](https://jobicy.com/jobs?search_keywords=gRPC.md)[Kubernetes](https://jobicy.com/jobs?search_keywords=Kubernetes.md)[AWS](https://jobicy.com/jobs?search_keywords=AWS.md)[PostgreSQL](https://jobicy.com/jobs?search_keywords=PostgreSQL.md)[System Design](https://jobicy.com/jobs?search_keywords=System%20Design.md)

Sample interview questionsHow would you design a scalable promotional-feature service that must process high volumes of player events reliably?I would define clear service boundaries, use an event-driven design with a durable broker such as Kafka, and make consumers idempotent to safely handle retries. I would partition workloads by a stable key, such as player or campaign ID, use transactional persistence where needed, and add observability for lag, error rates, latency, and business-event correctness.

What are important considerations when using Node.js and TypeScript for highly concurrent backend workloads?

I would avoid blocking the event loop, use asynchronous I/O carefully, enforce timeouts and cancellation, and apply bounded concurrency for downstream calls. For CPU-intensive work, I would use worker threads or separate services, while TypeScript contracts, runtime validation, and comprehensive tests help keep interfaces reliable.

Describe how you would investigate and improve a slow service in a microservices environment.

I would begin with metrics and distributed traces to isolate whether latency originates in application logic, a database, a broker, or a dependent service. I would reproduce the bottleneck where possible, optimize the highest-impact path through indexing, query changes, caching, batching, or connection-pool tuning, then validate the change with load tests and production monitoring.

How do you ensure reliable communication between services using gRPC and messaging systems?

I use versioned API contracts, explicit timeouts, retry policies that avoid retry storms, correlation IDs, and clear error semantics. For asynchronous workflows, I design for at-least-once delivery through idempotency keys, dead-letter handling, schema compatibility, and operational dashboards for failed or delayed messages.

How would you approach an on-call incident involving elevated errors after a deployment?

I would first assess customer impact and stabilize the service through rollback, traffic shifting, or feature-flag disablement. Next, I would use logs, metrics, traces, and recent-change history to identify the cause, communicate status clearly, and document corrective actions such as tests, alerts, runbooks, or architectural safeguards to prevent recurrence.

About the Role

Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount.
If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and you have a fast “PoC first” approach with a deep sense of ownership, we would love to hear from you.

Key Responsibilities

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Develop and maintain robust backend systems for our promotional features.

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Optimize existing systems for enhanced performance and scalability.

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Lead technical decisions and contribute to our SaaS solutions.

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Collaborate with distributed teams to innovate and implement new features.

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Ensure code and architectural excellence through reviews.

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Address complex technical challenges with innovative solutions.

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Participating in on-call rotations within the squad to help ensure the reliability and availability of our systems.

Requirments

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Strong proficiency in Node.js and TypeScript (our primary backend stack). We’re also open to strong backend engineers from other ecosystems (e.g., Go, Java, C#, C++) who are ready to ramp up quickly.

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Strong understanding of asynchronous programming and concurrency patterns.

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Experience building distributed systems and working with messaging and coordination tools (e.g., Kafka, RabbitMQ, NATS, distributed locks).

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Experience with gRPC in production environments.

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Solid knowledge of databases: relational (MySQL, PostgreSQL), columnar (ClickHouse), and NoSQL (DynamoDB, MongoDB).

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Experience with cloud platforms (AWS/GCP/Azure) and Kubernetes.

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Skilled in building and maintaining unit and end-to-end tests.

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Proven track record of delivering production-ready solutions.

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Experience working with large-scale microservices architectures.

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Degree in Computer Science or a related field (or equivalent practical experience).

Nice to Have

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Understanding of enterprise development patterns

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Experienced with large-scale microservices architecture

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Experience with cloud providers (AWS, GCP, etc.)

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Active performance observation

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Gambling domain experience

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Understanding of application security and industry standards, its best practice

What We Offer

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Competitive Salary

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Quarterly Bonuses

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Unlimited Paid Time Off

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Unlimited Paid Sick Leave

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Remote & Flexible Working

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Private Medical Insurance

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Financial Support for Life Events

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Professional Development Budget

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International Exposure

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Regular Company Events

*Benefits may vary depending on location and contractual agreement

Recruitment Process

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HR interview

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Technical interview (with Live coding)

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Final interview

Please take into account that sometimes the process may differ, your TA Partner will keep you updated.

Join us today!

By submitting your application, you acknowledge that your personal data will be processed in accordance with our [Privacy Policy](https://playson.com/privacy).

Show more

[Apply now >](https://jobicy.com/jobs/153227-senior-backend-engineer-boosters.md)

>  Annual salary information is not provided for this position. Explore salary ranges for similar roles in our [Salary Directory ›](https://jobicy.com/salaries.md)

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