Posted 5 days ago
Back-End Developer – Capital Markets
@ Sky Systems, Inc. (SkySys)
Montréal, Quebec
Responsibilities:
- Build high-performance Java back-end applications
- Develop GraphQL and WebSocket services
- Implement OAuth2/JWT security and SQL Server data access
- Deliver CI/CD, Kubernetes and automated testing
Requirements summary:
- Java 17/21 and Spring Boot experience (Java 21 preferred)
- GraphQL/SPQR, WebSockets, OAuth2/JWT and SQL Server
- Distributed caching, enterprise messaging, Kubernetes and CI/CD
- Flyway, JUnit, Mockito and Cucumber
- Capital markets experience strongly preferred
- Excellent command of English mandatory
Tools & skills
Source and dates
Source type not verified · apify-linkedin
- Employer posting date
- 2026-11-05
- First seen by our source
- 2026-11-10
- Source record updated
- 2026-11-10
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Software development |
| Hours per week | 37.5 |
| Schedule | day |
| Travel | air: none · ground: none |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English, French |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Sky Systems, Inc. (SkySys)
| Field | Value |
|---|---|
| Open jobs on Jobsy | 2 |
Back-End Developer – Capital Markets
Location: Downtown Montreal, Canada
Work Model: On-site 2–3 days per week
Duration: 12 months (high possibility of extension)
Hours: 37.5 hours/week
We are looking for an experienced Back-End Developer with strong expertise in Java and a background in building high-performance applications.
Key Requirements:
- Strong hands-on experience with Java 17/21 (Java 21 preferred) and Spring Boot.
- Experience with GraphQL/SPQR, WebSockets, OAuth2/JWT, and SQL Server.
- Knowledge of distributed caching, enterprise messaging, Kubernetes, and CI/CD.
- Experience with Flyway, JUnit, Mockito, and Cucumber.
- Knowledge of AI-assisted software engineering tools is highly desirable.
- Capital Markets experience (trading, financing, settlement, or transaction processing) is strongly preferred.
- Expertise in JVM optimization, multithreading, concurrency, or high-performance Java is an advantage.
Language Requirement:
- Excellent command of English is mandatory.
- English-speaking candidates only.
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Développeur Back-End – Marchés des capitaux
Lieu : Centre-ville de Montréal, Canada
Mode de travail : Présentiel 2 à 3 jours par semaine
Durée : 12 mois (forte possibilité de renouvellement)
Horaire : 37,5 heures par semaine
Nous recherchons un Développeur Back-End expérimenté possédant une solide expertise en Java et une expérience dans le développement d’applications performantes et évolutives.
Compétences et exigences principales :
- Solide expérience pratique avec Java 17/21 (Java 21 privilégié) et Spring Boot.
- Expérience avec GraphQL/SPQR, WebSockets, OAuth2/JWT et SQL Server.
- Bonne connaissance des technologies de cache distribué, de messagerie d’entreprise, de Kubernetes et de CI/CD.
- Expérience avec Flyway, JUnit, Mockito et Cucumber.
- Une expérience avec les outils de développement logiciel assistés par l’IA est fortement souhaitée.
- Une expérience dans les marchés des capitaux (négociation, financement, règlement ou traitement des transactions) est fortement souhaitée.
- Une expertise en optimisation JVM, multithreading, concurrence ou Java haute performance constitue un atout.
Exigence linguistique :
- Excellente maîtrise de l’anglais obligatoire.
- Seuls les candidats anglophones seront considérés.
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