Java Developer
ICONMA, LLC · Orlando, USOn-site · Senior
PKI Engineer - Advanced Cryptographic Security (PQC)
Citi · Budapest, Hungary· Hybrid · Full-time · Senior
Développeur Back-End - Marché de capitaux
Sky Systems, Inc · Montreal, CanadaHybrid · Contract · Senior
Senior QA Engineer
Nimber · Porto, Portugal+2 more Hybrid · Full-time · Senior
+10K new in the last hour
ICONMA, LLC · Posted Nov 6, 2026
Looking for a Java Developer to develop Java 17/21 and Spring Boot microservices, design API-first solutions, and build enterprise integrations.
Develop Java 17/21 and Spring Boot microservices Design API-first solutions and distributed systems architectures Build and maintain enterprise integrations using REST/SOAP and messaging platforms Create secure, scalable, and resilient services using OAuth2, JWT, Kafka, Redis, and cloud technologies Partner with AI teams to expose backend capabilities through AI-consumable APIs and services Nice to have: AI integrations Nice to have: LLM function calling Nice to have: AI agents Nice to have: Redis Nice to have: Resilience4j Health Benefits Referral Program Growth and advancement opportunities Citi · Posted Nov 9, 2026
Architect, develop and engineer emerging Cryptography, PKI, and Post-Quantum Cryptography (PQC) Capabilities, and build enterprise middleware integrations using Java.
17 157 800,00 Ft - 28 767 800,00 Ft
Architect and develop solutions at the enterprise level, including working on cryptographic architectures with main focus on advancing the PKI & certificate lifecycle management engineering & automation landscape. Work with all disciplines, senior architects, and operational product owners to integrate quantum-resilient PKI, hybrid certificate architectures, and certificate management technologies with Citi platforms. Perform product evaluation, testing, benchmarking, and certification of PKI, and HSM cryptographic technologies. Ensure all security products meet or exceed Citi Standard requirements. Provide occasional 4th level support and technical leadership for the product toolset. Bachelor’s degree/University degree Master’s degree preferred Nice to have: confidential computing Sky Systems, Inc · Posted Nov 5, 2026
Back-end developer role for Capital Markets systems focusing on high-performance Java development and trading-related financial processes.
Develop back-end systems for capital markets using Java and Spring Boot Implement and optimize APIs using GraphQL/SPQR Handle WebSocket subscriptions and OAuth2/JWT authentication Manage distributed caching and enterprise messaging technologies Maintain SQL Server databases using Flyway Nice to have: AI-assisted software engineering tools Nice to have: JVM performance optimization Nice to have: Garbage collection Nice to have: High-performance Java Nice to have: Multithreading Nimber · Posted Nov 4, 2026
Senior QA Engineer (Backend Java & Test Automation)
Porto, Portugal Lisbon, Lisbon District, Portugal Paris, Île-de-France, France Design, build and maintain test automation frameworks for Java backends, microservices and APIs Perform manual testing when needed, defining test strategies and cases for complex backend logic and batch processing Turn payments business rules into automated, executable test scenarios, working with POs, Tech Leads and Developers Validate data integrity and backend transactional behavior with SQL Promote a Quality First and Shift-Left culture in the Agile team Cafeteria Program Home Office Allowance Paid Parental Leave Program Private Medical Care Program onsite medical rooms
Degree in Technology, Computer Engineering or similar
Nice to have: French
Senior QA EngineerNimber · Porto, Portugal+2 more