Home › Companies › High5games › Social Server Senior Java Developer
Social Server Senior Java Developer
High5games · Active · BambooHR
Job facts
| Field | Value |
|---|---|
| Company | High5games |
| Title | Social Server Senior Java Developer |
| Normalized title | - |
| Department / team | - |
| Location | Bulgaria |
| Work model | - |
| Employment type | Contract |
| Salary | - |
| Status | active |
| ATS provider | BambooHR |
| Posted / first seen | 2026-03-23 / 2026-05-30 |
| Changed / last seen | 2026-05-30 / 2026-06-06 |
Related slices
| Page | What it contains | Open |
|---|---|---|
| Company jobs | Active postings from High5games. | Open |
| Company breakdowns | Role, location, ATS, and work model facets for this company. | Open |
| ATS provider jobs | Active postings observed through BambooHR. | Open |
| Provider filtered search | The same provider as a filtered job collection. | Open |
| Lifecycle events | Open, update, close, and reopen events for this posting. | Open |
| Original posting | Canonical source or apply URL captured from the ATS. | Open |
Linked records
| Company | High5games |
| Source | c7e26325-a08a-4d9d-8c9a-4109c355f69d |
| ATS provider | BambooHR |
Description
The Senior Java Developer will be joining a team of top server engineers that design and build the heart of H5G games and product platform. The right candidate will be challenged to help propel H5G to the top tier of social gaming through adoption and application of the latest in the Server side, Big Data and AI technology, such as high scalable cloud based infrastructure, stream analysis and machine learning. The person will be a key contributor to aspects of design and delivery of all H5G Server Systems, Services and Data Stores.
Technical expertise – Architecture & Systems Development
Deep expertise in and experience with Java server side development (6 years+), real time distributed systems, both monolithic and micro services architectures.
5+ years of design and delivery of high volume highly available back end infrastructures – Telcos / Trading / AdTech systems, etc. Understanding of enterprise architecture patterns.
Experience of REST API design and implementation (preferred frameworks: Dropwizard, Spring Boot 2.5+)
Gaming or Equity trading server side experience is a plus
Experience delivering systems at large scale (20K+ mps) using modern streaming systems and distributed data systems (preferred google pub/sub, kafka, hazelcast)
Understanding of the Distributed System Concepts: Leadership, Consensus, In-Sync Replicas, Partitioning
6+ years of hands on Java development, strong familiarity with Java 8/11/17+
Strong understanding of key security concepts and patterns
Good understanding of enterprise and mobile facing systems architecture
Developing and implementing unit, integration, and system tests to ensure the quality and reliability of the code; understanding and applying various testing methodologies (TDD, BDD)
Ability to analyze and optimize application performance, identify bottlenecks, and implement solutions to improve speed and efficiency. This often involves profiling and tuning database queries, application code, and infrastructure.
Wide experience in Identifying, diagnosing, and resolving complex technical issues in a timely and efficient manner; strong debugging skills and effective troubleshooting production issues.
The team has unlimited company provided access and is using LLM tooling in daily work (cursor, cursor cli, codex cli, gemini, etc.) however these are treated as tools and code quality responsibility layers with team members independent of tool used.
Technical expertise - Data Management
Experience with SQL and No-SQL DBs, specifically with Cassandra and MySQL
Familiarity with cloud-based Big Data tools (gcp preferred: bigQuery, bigTable).
Familiarity with Real Time Stream Analysis (preferred: gcp Dataflow)
Systems Operational maturity
Experience building operationally mature, well instrumented, very highly scalable, highly available, secure systems
Experience with Build Automation Tools: Gradle, Jenkins, Nexus, Docker Image Repositories
Experience with Google Cloud Platform, Kubernetes, Docker, DataDog, Stackdriver
Excellent understanding of SDLC, Java development and continuous integration best practices.
Writing clear and concise documentation for code, APIs, and processes
Soft SkillSet
Collaborating effectively with other developers, designers, testers, and stakeholders to ensure successful project delivery.
Participating in project planning and estimation activities, providing realistic timelines and resource requirements
Keeping up-to-date with the latest Java technologies, frameworks, and best practices.
Education
BS in Computer Science, Engineering or equivalent. MS in CS or Engineering is a big plus.
Full job record
| Job ID | be99c12fa0981acb93a3bafbf30c717b6d0ad7b4 |
| Org ID | 83665af9-0dcd-4c24-afa6-c9c30012b997 |
| Source ID | c7e26325-a08a-4d9d-8c9a-4109c355f69d |
| Board ID | c7e26325-a08a-4d9d-8c9a-4109c355f69d |
| Provider | bamboohr |
| Provider Job Key | 148 |
| Title | Social Server Senior Java Developer |
| Normalized Title | — |
| Status | active |
| Active | yes |
| Location Text | — |
| Department | — |
| Team | — |
| Employment Type | contract |
| Workplace Type | — |
| Remote Policy | — |
| Country | Bulgaria |
| Region | — |
| City | — |
| Salary Raw | — |
| Salary Min | — |
| Salary Max | — |
| Salary Currency | — |
| Salary Period | — |
| Source URL | https://high5games.bamboohr.com/careers/148 |
| Apply URL | https://high5games.bamboohr.com/careers/148 |
| First Seen At | 2026-05-30 06:05:01Z |
| Last Seen At | 2026-06-06 10:28:18Z |
| Last Checked At | 2026-06-06 10:28:18Z |
| Last Changed At | 2026-05-30 06:05:01Z |
| Inactive At | — |
| Source Posted At | 2026-03-23 00:00:00Z |
| Source Updated At | — |
| Raw Payload Uri | s3://job-postings-prod-raw-590183727216/raw/provider=bamboohr/board=high5games/date=2026-06-06/2026-06-06T10-28-17-956Z-e57023d9448aaa3b014e57cc1b2fc0b06b7304440533b3f184bd87651f246943.json |
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"description": "<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">The Senior Java Developer will be joining a team of top server engineers that design and build the heart of H5G games and product platform. The right candidate will be challenged to help propel H5G to the top tier of social gaming through adoption and application of the latest in the Server side, Big Data and AI technology, such as high scalable cloud based infrastructure, stream analysis and machine learning. The person will be a key contributor to aspects of design and delivery of all H5G Server Systems, Services and Data Stores.</span></p>\n<p><br></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">Technical expertise – Architecture & Systems Development</span></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Deep expertise in and experience with Java server side development (6 years+), real time distributed systems, both monolithic and micro services architectures.</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">5+ years of design and delivery of high volume highly available back end infrastructures – Telcos / Trading / AdTech systems, etc. Understanding of enterprise architecture patterns.</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience of REST API design and implementation (preferred frameworks: Dropwizard, Spring Boot 2.5+)</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Gaming or Equity trading server side experience is a plus</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience delivering systems at large scale (20K+ mps) using modern streaming systems and distributed data systems (preferred google pub/sub, kafka, hazelcast)</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Understanding of the Distributed System Concepts: Leadership, Consensus, In-Sync Replicas, Partitioning</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">6+ years of hands on Java development, strong familiarity with Java 8/11/17+</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Strong understanding of key security concepts and patterns</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Good understanding of enterprise and mobile facing systems architecture</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">Developing and implementing unit, integration, and system tests to ensure the quality and reliability of the code; understanding and applying various testing methodologies (TDD, BDD)</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">Ability to analyze and optimize application performance, identify bottlenecks, and implement solutions to improve speed and efficiency. This often involves profiling and tuning database queries, application code, and infrastructure.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">Wide experience in Identifying, diagnosing, and resolving complex technical issues in a timely and efficient manner; strong debugging skills and effective troubleshooting production issues.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">The team has unlimited company provided access and is using LLM tooling in daily work (cursor, cursor cli, codex cli, gemini, etc.) however these are<span> </span></span><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">treated as tools and code quality responsibility layers with team members</span><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\"><span> </span>independent of tool used.</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">Technical expertise - Data Management</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with SQL and No-SQL DBs, specifically with Cassandra and MySQL</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Familiarity with cloud-based Big Data tools (gcp preferred: bigQuery, bigTable).</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Familiarity with Real Time Stream Analysis (preferred: gcp Dataflow)</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">Systems Operational maturity</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience building operationally mature, well instrumented, very highly scalable, highly available, secure systems</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with Build Automation Tools: Gradle, Jenkins, Nexus, Docker Image Repositories</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with Google Cloud Platform, Kubernetes, Docker, DataDog, Stackdriver</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Excellent understanding of SDLC, Java development and continuous integration best practices.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">Writing clear and concise documentation for code, APIs, and processes</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">Soft SkillSet</span></p>\n<ul>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">Collaborating effectively with other developers, designers, testers, and stakeholders to ensure successful project delivery.</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">Participating in project planning and estimation activities, providing realistic timelines and resource requirements</span></li>\n<li><span style=\"color: rgb(29, 28, 29); font-family: Arial, sans-serif; font-size: 12pt\">Keeping up-to-date with the latest Java technologies, frameworks, and best practices.</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">Education</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">BS in Computer Science, Engineering or equivalent. 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