CrawlJobs Logo

Senior Java Engineer – Security & Cryptographic Platforms

Netherlands, Amsterdam · Job Posted June 16, 2026
Apply Position
Job Link Share

Job Description

You are a strong Java Engineer who enjoys working on highly secure, business-critical platforms within complex enterprise environments. You have experience building and supporting production systems using Java and Spring Boot, and you are comfortable working with modern DevOps practices, cloud technologies, and automation. You are interested in security-focused engineering and enjoy solving complex technical challenges while contributing to the reliability and evolution of critical services.

Job Responsibility

  • Develop, maintain, and enhance secure enterprise platforms that support critical banking services
  • Build and improve backend services using Java and Spring Boot within a modern engineering environment
  • Contribute to automation, CI/CD pipelines, infrastructure improvements, and operational excellence initiatives
  • Collaborate with engineers, architects, security specialists, and external vendors to deliver secure and reliable solutions
  • Support the operation and continuous improvement of security-related platforms and infrastructure services

Requirements

  • Strong experience developing enterprise applications using Java and Spring Boot
  • Experience working with cloud platforms, preferably Microsoft Azure
  • Solid understanding of DevOps practices, CI/CD pipelines, and infrastructure automation
  • Experience working within highly regulated, secure, or mission-critical environments
  • Interest in security engineering, cryptography, or secure platform development, with experience in these areas considered beneficial

Nice to have

Experience in security engineering, cryptography, or secure platform development

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Java Engineer – Security & Cryptographic Platforms

8 matching positions

Senior Devops Engineer, Alpaca Engineer (US Federal)

This role will support one or more direct or indirect contracts with the U.S. Fe...
Location
Location
United States , Reston
Salary
Salary:
163800.00 - 245800.00 USD / Year
Workday
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • A minimum of 8 years software development or DevOps experience
  • A minimum of 5 years experience with internet protocols TCP/IP, HTTP, SSL/TLS etc
  • A minimum of 3 years experience with Linux and container technologies (K8s, Docker)
  • A minimum of 3 years using, deploying, and applying: AWS, Google Cloud Platform
  • Bachelor’s Degree in Computer Science or related field (or equivalent experience)
  • This role may require a security clearance at the TS/SCI w/CI Poly level
  • Applicants must have the ability to obtain and maintain a U.S. government issued security clearance
  • An active TS/SCI w/CI Poly is preferred
  • Experience automating infrastructure in at least one modern programming language such as Python, Go, Ruby, Java
  • Experience running databases (SQL and NoSQL)
Job Responsibility
Job Responsibility
  • develop, build, deploy, and support the security specific solutions and infrastructure to help protect Workday customers data
  • operate and maintain our critical production system as well as building massively scalable digital security systems
  • regular after-hours production support, in the event of critical service outages
What we offer
What we offer
  • may be eligible for the Workday Bonus Plan or a role-specific commission/bonus
  • annual refresh stock grants
  • Fulltime
Read More
Arrow Right
New

Senior Engineer, Cybersecurity

We are seeking a Senior Software Engineer(Cybersecurity) with strong expertise i...
Location
Location
India , Bengaluru
Salary
Salary:
Not provided
https://www.baxter.com/ Logo
Baxter
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience
  • Minimum of 6+ years of experience in cybersecurity design and development
  • experience with embedded systems is preferred
  • Hands-on experience with Java, C++, C#, Linux, and secure software design within complex systems
  • Proven experience analyzing, interpreting, and remediating security findings from SAST, DAST, SCA, and penetration testing tools
  • Experience with embedded data-at-rest security implementations, including Code Signing, Secure Boot, and flash encryption
  • Experience in designing and implementing secure wired and wireless networking solutions for embedded/IoT systems across multiple OSI layers
  • Hands-on experience with IoT and embedded PKI solutions and implementations
  • Demonstrated experience in cybersecurity development for embedded and digital products
  • Strong ability to guide software development teams on secure coding practices and the interpretation of application security testing reports across multiple programming languages and operating environments
Job Responsibility
Job Responsibility
  • Partner closely with software development teams to promote a security-by-design mindset by defining secure implementations and coding practices aligned with the Application Security Program
  • Design and implement secure coding solutions, patterns, and guidelines for embedded and cloud environments, ensuring compliance with security and privacy requirements defined in security plans, risk assessments, policies, and procedures
  • Support security project governance activities, including planning, scheduling, prioritization, and tracking of security initiatives
  • Proactively drive security solution implementations in collaboration with development leads, security architects, and product owners
  • Lead feature implementations aligned with system architecture through design, coding, reviews, and testing
  • perform Proof of Concept (POC) activities as needed
  • Review, analyze, and mitigate findings from SAST, DAST, SCA, and penetration testing in collaboration with development teams across electromechanical medical device product lifecycles
  • Assess existing software security controls and implement security enhancements across multiple medical devices and platforms
  • Participate in post-market product analysis to support vulnerability investigations and contribute to continuous security monitoring efforts
  • Leverage AI-assisted techniques to secure the system
What we offer
What we offer
  • Support for Parents
  • Continuing Education/ Professional Development
  • Employee Heath & Well-Being Benefits
  • Paid Time Off
  • 2 Days a Year to Volunteer
Read More
Arrow Right
New

Senior Software Engineer - Crypto R&D

At Schwab, you’re empowered to make an impact on your career. Here, innovative t...
Location
Location
United States , Austin, TX ; Ann Arbor, MI ; San Francisco, CA
Salary
Salary:
179000.00 - 219000.00 USD / Year
schwab.com Logo
Charles Schwab
Expiration Date
June 16, 2026
Flip Icon
Requirements
Requirements
  • 10+ years of progressive software development and engineering experience, with a strong foundation in system design and architecture
  • Experience working with blockchain technologies or digital asset platforms, including familiarity with distributed ledger concepts and tokenization approaches
  • Ability to operate as a crypto subject matter expert in digital assets while applying technical expertise across multiple domains
  • Strong understanding of modern software architectures and distributed systems
  • Experience designing or evaluating secure systems, with familiarity in cryptographic principles or financial infrastructure concepts
  • Proficiency in one or more programming languages such as Java, Python, Rust or Go
  • Strong analytical and problem-solving skills, with the ability to translate research into practical insights and prototypes
Job Responsibility
Job Responsibility
  • Act as a technical thought leader, driving innovation across multiple R&D initiatives through development of proof-of-concepts and architectural exploration
  • Provide subject matter expertise in digital assets and blockchain technologies, helping shape Schwab’s perspective on tokenization, custody, and on-chain financial infrastructure
  • Evaluate blockchain architectures, smart contract frameworks, and tokenization models to assess applicability within a regulated financial services environment
  • Translate complex technical concepts into clear insights for business and technology stakeholders, helping inform strategic decision-making
  • Contribute to internal research, whitepapers, and presentations that advance Schwab’s understanding of digital assets and emerging technologies
  • Engage with industry participants, technology partners, and internal stakeholders to stay informed on evolving trends, risks, and opportunities
  • Support a broader set of R&D initiatives beyond digital assets, applying architectural thinking across domains such as AI/ML, cloud-native systems, and digital identity/trust
What we offer
What we offer
  • 401(k) with company match and Employee stock purchase plan
  • Paid time for vacation, volunteering, and 28-day sabbatical after every 5 years of service for eligible positions
  • Paid parental leave and family building benefits
  • Tuition reimbursement
  • Health, dental, and vision insurance
  • Fulltime
Read More
Arrow Right

Senior Embedded IoT & Android/iOS Engineer

We are seeking a full-stack connected device engineer who is equally comfortable...
Location
Location
USA , Cambridge
Salary
Salary:
70000.00 - 130000.00 USD / Year
nanobiosym.com Logo
Nanobiosym
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of embedded firmware development on ARM Cortex-M (or similar)
  • Proven experience shipping BLE-connected IoT products end-to-end
  • Strong programming skills in: C/C++ (embedded), Kotlin and/or Java (Android), Swift (iOS)
  • Hands-on experience with BLE, Wi-Fi, and at least one cellular technology
  • Experience with AWS IoT or similar cloud IoT platforms
  • Deep understanding of secure device design (secure boot, OTA, encryption, key provisioning)
Job Responsibility
Job Responsibility
  • Develop production-grade firmware for ARM Cortex-M MCUs, including RTOS integration, peripheral drivers, low-level bring-up, and power optimization
  • Design and implement wireless communication stacks: BLE (GATT/GAP), Wi-Fi, and cellular (LTE-M / NB-IoT)
  • Build secure OTA update mechanisms with rollback protection and cryptographic validation
  • Integrate device-side IoT protocols (MQTT, CoAP) with cloud platforms such as AWS IoT Core
  • Collaborate with hardware teams on board bring-up, debugging, and system validation
  • Design and develop native Android (Kotlin/Java) and iOS (Swift) applications for connected devices
  • Implement device discovery, provisioning, BLE/Wi-Fi pairing, and real-time communication with firmware
  • Architect scalable mobile apps using modern patterns: Android: MVVM, Coroutines, Jetpack, iOS: MVVM/Combine/SwiftUI or UIKit
  • Ensure robust connectivity handling, background execution, and reconnection strategies across diverse devices
  • Deliver OTA firmware updates through mobile apps
  • Fulltime
Read More
Arrow Right

Senior Staff Identity and Access Management Engineer

GEICO is seeking an experienced Engineer with a passion for building high perfor...
Location
Location
United States , Chevy Chase; Palo Alto; Dallas; Seattle
Salary
Salary:
120000.00 - 260000.00 USD / Year
geico.com Logo
Geico
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of professional experience in technology or identity engineering
  • 8+ years of experience with security, identity, architecture, and design
  • 4+ years of experience with open-source frameworks is desired
  • 4+ years of experience with AWS, GCP, Azure, or another cloud service
  • 1+ years of people management experience
  • Bachelor’s degree in computer science, Information Systems, or equivalent education or work experience
  • Experience building the architecture and design (architecture, design patterns, reliability, and scaling) of new and current systems
  • Fluency in DevOps Concepts, Cloud Architecture, and the Software Development Lifecycle
  • Experience in security protocols and products: Understanding of Active Directory, Kerberos, LDAP, SAML, OAuth, and OIDC
  • Experience with continuous delivery and infrastructure as code
Job Responsibility
Job Responsibility
  • Lead execution and adoption of modern authentication and authorization mechanisms (SAML, OIDC/OAUTH2)
  • Engage peers and leaders at all levels
  • Consistently share best practices and improve processes within and across teams
  • Determine and support resource requirements, evaluate operational processes, measure outcomes to ensure desired results, and demonstrate adaptability and sponsoring continuous learning
  • Own the complete project lifecycle for application integrations of both on-premises and SaaS applications with our IGA platform
  • Collaborate with application team to implement tokenization solutions that reduce sensitive data exposure, thereby enhancing data security and minimizing the risk of unauthorized access
  • Stay at the forefront of emerging identity trends, technologies, and best practices, and apply this knowledge to enhance GEICO’s data protection strategies
  • Provide technical guidance and mentorship to the team, fostering a culture of innovation, collaboration, and continuous improvements
  • Collaborate with cross-functional teams, including security, compliance, and application teams to ensure the seamless integration and alignment of solutions with organizational goals
  • Build resilient and scalable architecture, driving innovation and cost efficiency
What we offer
What we offer
  • Comprehensive Total Rewards program that offers personalized coverage tailor-made for you and your family’s overall well-being
  • Financial benefits including market-competitive compensation
  • a 401K savings plan vested from day one that offers a 6% match
  • performance and recognition-based incentives
  • and tuition assistance
  • Access to additional benefits like mental healthcare as well as fertility and adoption assistance
  • Supports flexibility- We provide workplace flexibility as well as our GEICO Flex program, which offers the ability to work from anywhere in the US for up to four weeks per year
  • Fulltime
Read More
Arrow Right

Digital Asset Platform Support

Engineer for the future of digital finance. At Citi, our Technology organization...
Location
Location
Canada , Mississauga
Salary
Salary:
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5–8 years of relevant experience in platform operations, technical support, Site Reliability Engineering, or blockchain/Digital Asset support
  • Solid understanding of blockchain fundamentals, including distributed ledgers, consensus mechanisms, cryptographic hashing, and public/private key architecture
  • Experience with scripting or coding in Java, Python, Go, or similar languages preferred
  • Experience with Red Hat OpenShift or similar Kubernetes technologies preferred
  • Experience supporting production systems in high‑pressure environments, preferably in financial services or e‑trading‑like environments
  • Experience working with databases such as Postgres, Oracle, MongoDB, or Redis preferred
  • Knowledge of blockchain protocols (Bitcoin, Ethereum) and operational aspects of running nodes or interacting with RPC endpoints
  • Ability to explain complex technical concepts to technical and non‑technical partners including compliance, business, and senior stakeholders
  • Strong analytical, problem‑solving, and troubleshooting skills, especially in fast‑moving blockchain environments
  • Experience with observability tools (e.g., Prometheus, Grafana, Splunk, ELK) is preferred
Job Responsibility
Job Responsibility
  • Understand how Digital Asset Production Support contributes to broader technology and business objectives, including secure transaction processing, blockchain operations, and digital asset lifecycle management
  • Provide operational support for digital asset wallets (hot, cold, hardware, and multi‑sig setups), blockchain nodes, and related platforms in production
  • Support cryptocurrency transaction flows, reconciliation processes, and monitor risk flags or anomalous activity
  • Participate in incident management, problem management, post‑incident reviews, and continuous improvement efforts relating to blockchain and digital asset platforms
  • Monitor blockchain node health, wallet operations, transaction latency, mempool activity, and network congestion
  • Collaborate with engineering teams to enhance platform stability, improve wallet automation, and strengthen key security controls
  • Partner with vendor teams and managed services supporting blockchain infrastructure, wallet services, and custody platforms
  • Assist in collecting capacity and performance metrics for blockchain nodes, transaction throughput, and wallet operations to support forecasting and scaling plans
  • Support digital asset onboarding activities following established standards and regulatory expectations
  • Participate in resilience initiatives including disaster recovery, failover testing, key‑material backup validation, and blockchain node redundancy exercises
  • Fulltime
Read More
Arrow Right

Pki Engineer

Engineer the future of global finance. At Citi, our Tech team doesn’t just suppo...
Location
Location
United Kingdom , Belfast
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Senior level experience in cryptography
  • Experience with commercial Ca products and/or certificate management systems is a plus
  • Working with Trust Providers is a plus
  • Understanding of Microsoft Windows operating systems
  • Understanding of Linux
  • Understanding of cryptographic protocols
  • Programming Experience in JAVA or C
  • Programming in Python
  • Knowledge of Crypto Libraries (Bouncy Castle)
  • Sound security engineering principles as background to understanding the inner workings of the systems and controls that form an enterprise security ecosystem
Job Responsibility
Job Responsibility
  • Research cryptographic protocols, develop crypto solutions at the enterprise level, which will include working on PKI architectures with main focus on certificate management automation
  • Work with all disciplines, engineers, and operational product owners to integrate PKI and certificate management related technologies with Citi platforms to protect and manage the cryptography of mission critical systems
  • Perform product evaluation, testing and certification of PKI and Crypto technologies
  • Ensure that all security products meet or exceed Citi internal and regulatory requirements
  • Provide occasional 4th level support for the product toolset
  • Produce documentation of processes and procedures for the usage of the product
  • Follow the Technology Development Life Cycle in the development of all security tools
What we offer
What we offer
  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources
  • Fulltime
Read More
Arrow Right
New

Recruiter

We are looking for a Recruiter to join our team in Liberty, Texas for an onsite ...
Location
Location
United States , Liberty
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 2-3 years of recruiting experience, preferably in manufacturing, skilled trades, or other industrial environments
  • Ability to manage a high volume of resumes, interviews, and candidate updates in a fast-paced setting
  • Experience with sourcing candidates through job postings, workforce agencies, or similar talent channels
  • Strong administrative skills with careful attention to documentation and applicant tracking
  • Confidence interacting with hourly and blue-collar candidates in a respectful and approachable manner
  • Ability to begin work quickly and operate effectively with limited training or oversight
  • Familiarity with applicant tracking systems
  • experience with Paycom is helpful but not required
Job Responsibility
Job Responsibility
  • Review incoming applications and resumes to identify candidates with experience in manufacturing and general labor openings
  • Reach out to applicants by phone to confirm availability, discuss compensation, evaluate communication skills, and gauge interest in the role
  • Arrange interviews between shortlisted candidates and hiring teams while ensuring schedules and details are communicated clearly
  • Track candidate activity, hiring progress, and interview outcomes accurately within the recruitment system
  • Partner with hiring managers to collect feedback promptly and move candidates efficiently through the selection process
  • Support high-volume hiring needs across multiple operational departments within a large onsite facility
  • Use job advertisements and community workforce channels to build candidate pipelines for current openings
  • Assist with offer communication when needed and help maintain momentum during periods of increased hiring demand
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • company 401(k) plan
Read More
Arrow Right