Home › Companies › Sigmaworld › Backend Node.js Engineer (iGA)
Backend Node.js Engineer (iGA)
Sigmaworld · Belgrade, 11000, Serbia · Active · BambooHR
Job facts
| Field | Value |
|---|---|
| Company | Sigmaworld |
| Title | Backend Node.js Engineer (iGA) |
| Normalized title | - |
| Department / team | Technology and Development |
| Location | Belgrade |
| Work model | - |
| Employment type | Full Time |
| Salary | - |
| Status | active |
| ATS provider | BambooHR |
| Posted / first seen | 2026-04-02 / 2026-05-30 |
| Changed / last seen | 2026-06-12 / 2026-06-21 |
Related slices
| Page | What it contains | Open |
|---|---|---|
| Company jobs | Active postings from Sigmaworld. | 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 |
| City jobs | Active postings in Belgrade. | Open |
| Department jobs | Active postings in Technology and Development. | 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 | Sigmaworld |
| Source | ffc60837-5bd0-4fb1-b5b5-305243543fc8 |
| ATS provider | BambooHR |
Description
Job Title: Backend Developer
Department: Tech
Location: Serbia/Armenia
Employment Type: Full-time
About SiGMA Group
Founded in 2014 and headquartered in Malta, SiGMA Group now employs over 250 professionals across six global offices, including Malta, Cyprus, Serbia, Brazil , and the Philippines . SiGMA is a global leader in gaming, emerging tech, affiliate marketing, events, and media. It is best known for its marquee summits, such as SiGMA World in Rome , and initiatives like the iGaming Academy. The company’s culture champions inclusivity, sustainability, collaboration, and philanthropic impact under its SiGMA Foundation initiative
Role Overview
At Si GMA Group, we are building a brand-new eLearning platform and looking for a skilled and reliable Back-End Engineer to join us at this early and exciting stage. This role involves developing scalable, secure, and high-performing applications, APIs, and data services that support business and user needs. The ideal candidate combines strong software engineering fundamentals with a practical understanding of system design, integration, and performance optimization. The platform is built using cloud services, with a strong focus on serverless architecture and managed infrastructure.
Key Responsibilities
Develop and maintain serverless back-end components using Node.js and TypeScript
Work with AWS-managed services (e.g., API Gateway, DynamoDB, RDS, S3) to build scalable and reliable systems
Design and optimize databases, data models, and queries for performance and reliability
Integrate internal and external systems through APIs, messaging services, and other data exchange mechanisms
Write maintainable, well-tested code and participate in code reviews to uphold engineering standards
Troubleshoot, debug, and resolve production and development issues across back-end services
Monitor application performance, reliability, and security, and implement improvements where needed
Contribute to architecture discussions, technical design, and continuous improvement of engineering standards
Key Skills and Competencies
Strong proficiency in Node.js and TypeScript, preferably in a serverless or cloud-native environment
Experience with AWS cloud services, particularly AWS Lambda and serverless architectures
Experience designing and building RESTful APIs services
Strong understanding of relational databases
Knowledge of system design, scalability, performance tuning, and secure coding practices
Understanding of authentication, authorization, and API security best practices
Familiarity with testing practices, including unit, integration, and automated testing
Strong analytical and problem-solving skills
Good communication and collaboration skills
Ability to work effectively in agile, cross-functional teams
Preferred Experience
BSc in Computer Science, Software Engineering, or a related field, or equivalent practical experience
3+ years of p roven experience as a Back-End Engineer , Software Engineer, or similar role
Experience building and maintaining production-grade back-end systems
Exposure to distributed systems, high-availability services, and cloud-native architectures is a plus
Why SiGMA Group?
Grow with us – Be part of SiGMA’s global expansion and make your mark.
Free iGaming Academy access – Learn the ins and outs of the industry with access to courses.
Travel perks – Visit our international offices and attend industry events worldwide.
Performance rewards – High performers are recognized and fast-tracked with annual reviews and bi-yearly performance checks ins.
Interest-free car loan after probation (T&Cs apply)
Full job record
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| Org ID | b9b80c04-b028-4507-baee-69ef179bed5e |
| Source ID | ffc60837-5bd0-4fb1-b5b5-305243543fc8 |
| Board ID | ffc60837-5bd0-4fb1-b5b5-305243543fc8 |
| Provider | bamboohr |
| Provider Job Key | 380 |
| Title | Backend Node.js Engineer (iGA) |
| Normalized Title | — |
| Status | active |
| Active | yes |
| Location Text | Belgrade, 11000, Serbia |
| Department | Technology and Development |
| Team | — |
| Employment Type | full_time |
| Workplace Type | — |
| Remote Policy | — |
| Country | — |
| Region | — |
| City | Belgrade |
| Salary Raw | — |
| Salary Min | — |
| Salary Max | — |
| Salary Currency | — |
| Salary Period | — |
| Source URL | https://sigmaworld.bamboohr.com/careers/380 |
| Apply URL | https://sigmaworld.bamboohr.com/careers/380 |
| First Seen At | 2026-05-30 06:11:40Z |
| Last Seen At | 2026-06-21 11:10:37Z |
| Last Checked At | 2026-06-21 11:10:37Z |
| Last Changed At | 2026-06-12 10:27:24Z |
| Inactive At | — |
| Source Posted At | 2026-04-02 00:00:00Z |
| Source Updated At | — |
| Raw Payload Uri | s3://job-postings-prod-raw-590183727216/raw/provider=bamboohr/board=sigmaworld/date=2026-06-21/2026-06-21T11-10-32-574Z-fd7b724935eb349e74c5355cdd816724171a69f517a8658fbc3f4fd76bf94dfe.json |
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"description": "<p><span style=\"font-weight: bold\">Job Title:</span> Backend Developer</p>\n<p><span style=\"font-weight: bold\">Department:</span> Tech<br><span style=\"font-weight: bold\">Location:</span> Serbia/Armenia<br><span style=\"font-weight: bold\">Employment Type:</span> Full-time</p>\n<p> </p>\n<p><span style=\"font-weight: bold\"><span><span>About </span><span>SiGMA</span><span> Group</span></span></span><span> </span></p>\n<p><span><span>Founded in 2014 and headquartered in Malta, </span><span>SiGMA</span><span> Group now employs over 250 professionals across six global offices, including Malta, Cyprus, Serbia, </span><span>Brazil</span><span>, and </span><span>the Philippines</span><span>. </span><span>SiGMA</span><span> is a global leader in gaming, emerging tech, affiliate marketing, events, and media. It is best known for its marquee summits, such as </span><span>SiGMA</span><span> </span><span>World in Rome</span><span>, and initiatives like the iGaming Academy.</span><span> The company’s culture champions inclusivity, sustainability, collaboration, and philanthropic impact under its </span><span>SiGMA</span><span> Foundation initiative</span></span><span> </span></p>\n<p><span> </span></p>\n<p><span style=\"font-weight: bold\"><span><span>Role Overview</span></span></span><span> </span></p>\n<p><span><span>At </span><span>Si</span><span>GMA</span><span> Group, we are building a brand-new </span><span>eLearning</span><span> platform and looking for a</span><span> </span><span>skilled </span><span>and reliable </span><span>Back-End Engineer</span><span> </span><span>to join us at this early and exciting stage. </span><span>This role involves developing scalable, secure, and high-performing applications, APIs, and data services that support business and user needs.</span><span> The ideal candidate combines strong software engineering fundamentals with a practical understanding of system design, integration, and performance optimization.</span></span><span><span> </span></span><span><span>The platform is built using cloud services, with a strong focus on serverless architecture and managed infrastructure.</span></span><span> </span></p>\n<p><span> </span></p>\n<p><span style=\"font-weight: bold\"><span><span>Key Responsibilities</span></span></span><span> </span></p>\n<ul>\n<li><span><span>Develop and maintain </span><span>serverless back-end </span><span>components using Node.js and TypeScript</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Work with AWS-managed services (e.g., API Gateway, DynamoDB, RDS, S3) to build scalable and reliable systems</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Design and </span><span>optimize</span><span> databases, data models, and queries for performance and reliability</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Integrate internal and external systems through APIs, messaging services, and other data exchange mechanisms</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Write maintainable, well-tested code and </span><span>participate</span><span> in code reviews to uphold engineering standards</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Troubleshoot, debug, and resolve production and development issues across back-end services</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Monitor application performance, reliability, and security, and implement improvements where needed</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Contribute to architecture discussions, technical design, and continuous improvement of engineering standards</span></span><span> </span></li>\n</ul>\n<p><span> </span></p>\n<p><span style=\"font-weight: bold\"><span><span>Key Skills and Competencies</span></span></span><span> </span></p>\n<ul>\n<li><span><span>Strong </span><span>proficiency</span><span> in Node.js and TypeScript, preferably in a serverless or cloud-native environment</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Experience with AWS cloud services, particularly AWS Lambda and serverless architectures</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Experience designing and building RESTful APIs services</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Strong understanding of relational databases</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Knowledge of system design, scalability, performance tuning, and secure coding practices</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Understanding of authentication, authorization, and API security best practices</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Familiarity with testing practices, including unit, integration, and automated testing</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Strong analytical and problem-solving skills</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Good communication</span><span> and collaboration skills</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Ability to work effectively in agile, cross-functional teams</span></span><span> </span></li>\n</ul>\n<p><span> </span></p>\n<p><span style=\"font-weight: bold\"><span><span>Preferred Experience</span></span></span><span> </span></p>\n<ul>\n<li><span><span>BSc</span><span> in Computer Science, Software Engineering, or a related field, or equivalent practical experience</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>3+ years of p</span><span>roven experience as a </span><span>Back-End Engineer</span><span>, Software Engineer, or similar role</span></span><span> </span></li>\n</ul>\n<ul>\n<li><span><span>Experience building and </span><span>maintaining</span><span> 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