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Europe Ukraine

  • Design and evolve the platform access architecture for a large-scale distributed ecosystem.
  • Build and maintain a unified API layer over multiple distributed services.
  • Implement fine-grained ABAC authorization at scale, supporting complex hierarchies and relationships.

Java Security Architecture Cloud-native

20 jobs similar to Senior Java Developer (Security Platform)

Jobs ranked by similarity.

United States

  • Lead the design and evolution of Kaseya’s IAM platform, defining architecture and technical direction across multiple products.
  • Build and operate core IAM platform services, APIs, and integrations for authentication, authorization, and identity governance.
  • Partner with Security, Compliance, and Product teams to meet governance and regulatory requirements while mentoring engineers.

Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Backed by Insight Partners, Kaseya has experienced sustained double-digit growth, supports customers in over 20 countries, and manages over 15 million endpoints worldwide.

United States

  • Define architecture and technical direction for a large-scale IAM platform supporting authentication, authorization, and identity governance.
  • Lead design and implementation of secure, scalable identity systems including RBAC, ABAC, and multi-tenant architectures.
  • Partner with Security, Compliance, and Product teams to meet enterprise governance and regulatory requirements.

Jobgether uses AI-powered matching to connect candidates with hiring companies. They process applications and shortlist top candidates for partner companies, focusing on efficient and fair hiring.

India

  • Design, develop, and implement high-quality Java-based applications and microservices.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Participate in code reviews to ensure code quality and adherence to coding standards.

Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses, empowering millions of developers worldwide. The company is dedicated to remote-first work and a strong culture of connection and global inclusion, with a diverse team making a global impact.

$143,200–$243,400/yr
North America Canada Unlimited PTO

  • Design, develop, and maintain backend services and APIs for the IAM platform, ensuring high performance and scalability.
  • Collaborate with cross-functional teams to build features that align with business goals and meet security requirements.
  • Enhance the performance, security, and scalability of the IAM platform through code reviews, testing, and refactoring.

ServiceNow, acquiring Veza, pioneers in identity security, focuses on answering the fundamental question of who can and should take what action on what data. With the scale and resources of an enterprise platform company, they maintain the product velocity and mission-driven focus of a security innovator.

Global

  • Lead the design, development, and implementation of microservices for the next-generation enterprise campaign management platform.
  • Architect scalable and reliable solutions while collaborating with cross-functional teams including Product Managers and Quality Engineers.
  • Provide technical guidance, conduct code reviews, and stay current with emerging technologies to ensure high code quality and performance.

Miratech is a global IT services and consulting company that helps visionaries change the world. With nearly 1,000 full-time professionals and over 25% annual growth, the company operates across 5 continents and 25+ countries, maintaining a culture of Relentless Performance with a 99% project success rate since 1989.

Global

  • Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes.
  • Architect and implement APIs and event-driven solutions to meet functional and non-functional requirements.
  • Diagnose and resolve complex production issues across services and technology stacks.

Sigma Software delivers innovative solutions and fosters an engineering culture that values scalability, reliability, and continuous improvement. They offer remote flexibility, global collaboration, and the opportunity to contribute to impactful products in a fast-paced and innovative environment.

Global Unlimited PTO

  • Design, implement, and maintain our payment integrations platform, including partner APIs, SDKs, and embedded web experiences.
  • Help shape and drive the technical roadmap for the Partner Engineering team.
  • Design and develop scalable APIs and integrations to support money movements across banking partners via payment rails such as ACH.

Flex is a growth-stage, NYC headquartered FinTech company that creates the best rent payment experience. The company has an enthusiastic user base and is committed to radical transparency, integrity, and individual growth.

India

  • Design, build, and maintain custom IAM applications, APIs, and automation that support identity lifecycle management and role-based access.
  • Partner with cybersecurity, infrastructure, and business stakeholders to translate IAM requirements into secure technical designs.
  • Engineer automated joiner, mover, leaver provisioning processes and ensure system integrations across enterprise platforms like Okta, Salesforce, and ServiceNow.

Shared Services provides identity and access management solutions for enterprise platforms. They operate in the information technology sector with a focus on secure integration patterns and operational reliability.

Latin America

  • Design and develop scalable IAM solutions, including identity provisioning and access management workflows.
  • Integrate corporate directories, cloud environments, and third-party applications with the core IAM platform.
  • Configure Single Sign-On (SSO), Multi-Factor Authentication (MFA), and federated identity protocols.

Nortal is a digital transformation company delivering complex solutions for global enterprises and public sector organizations. They have a close-knit remote team across Latin America and foster a culture of autonomy and open communication.

US Canada

  • Design and evolve IAM foundations for AI Agents, including agent identity and permission guardrails.
  • Build authentication and authorization systems that are reliable, standards-based, and performant for millions of global users.
  • Partner with Infrastructure, Security, Compliance, and Product Engineering to solve complex cross-functional risk and governance challenges.

Samsara (NYSE: IOT) is the pioneer of the Connected Operations Cloud, enabling organizations to harness IoT data to improve safety, efficiency, and sustainability. As a recently public company with over 2.3 million connected devices, they foster a culture of growth mindset, inclusion, and long-term impact.

Europe Ukraine

  • Design and implement core components of the real-time audience segmentation platform.
  • Build scalable evaluation engines and event-driven pipelines for continuous data changes.
  • Optimize system performance, caching strategies, and operational efficiency across distributed systems.

Sigma Software is a technology company that develops advanced platforms for audience segmentation, personalization, and customer engagement. They value innovation, collaboration, and technical excellence, working on challenging tasks with cutting-edge technologies at scale.

Poland

  • Gain deep understanding of ad technology and industry standards like OpenRTB, MRAID, VAST.
  • Analyze and improve end-to-end ad workflows, reproducing problematic cases and proposing improvements.
  • Lead implementation of architectural solutions and provide hands-on technical leadership.

RTB House is a global marketing technology company providing AI-powered ad-buying solutions. The company processes over 20 million requests per second and fosters a culture of technical excellence and ownership.

Canada

  • Design and build platform services for authentication, authorization, and audit across ClickHouse Cloud.
  • Implement protocol-level support for SAML, SCIM, OIDC, OAuth2, and MFA/passwordless flows.
  • Partner with product teams to migrate auth implementations onto the shared platform and own production reliability.

ClickHouse is a leading real-time analytics and data warehousing company, recognized on the 2025 Forbes Cloud 100 list. With over 3,000 customers and rapid growth, including a $400M Series D funding round, the company serves AI innovators and global brands like Meta, Sony, and Tesla.

Europe 5w PTO

  • Design develop and maintain distributed backend services and platform components supporting enterprise customers at scale.
  • Own end-to-end lifecycle of production systems including deployment monitoring incident response and continuous reliability improvements.
  • Translate complex business security and regulatory requirements into scalable maintainable technical solutions.

This partner company operates a high-scale enterprise platform that enables secure, reliable, and compliant experiences for large organizations globally. It is a fast-moving, AI-driven environment where engineering excellence is a priority, with a focus on ownership and collaboration across teams.

Europe

  • Help build and modernize Deutsche Telekom’s network management and provisioning ecosystem.
  • Design and develop modern Java microservices for provisioning, orchestration, and complex system integrations.
  • Focus on backend platforms where scalability, resilience, distributed communication, and reliability are real engineering challenges.

Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group and was Hungary’s most attractive employer in 2025. They provide a wide portfolio of IT and telecommunications services with more than 5300 employees and have hundreds of large customers, corporations in Germany and in other European countries.

India

  • Collaborate with global teams and client stakeholders to design scalable solutions aligned with business objectives.
  • Build and deliver high-quality backend services using agile practices like TDD and CI/CD.
  • Take ownership of infrastructure automation, deployment pipelines, and production support for mission-critical systems.

Our partner builds complex, large-scale systems for enterprise and public sector clients. They emphasize agile practices, continuous delivery, and a collaborative engineering culture.

Ukraine

  • Collaborate with development team, Product Owner, and Engineering Manager on product tasks.
  • Design and implement application architecture and ensure code quality.
  • Write efficient code using Spring, microservices, and persistence frameworks.

Kyivstar.Tech is a Ukrainian hybrid IT company and a subsidiary of Kyivstar, one of Ukraine's largest telecom operators. With over 600 specialists, we drive meaningful change through innovative tech solutions in mobile, web, and high-performance systems.

Global

  • Implement software components according to design specifications and perform system integration and testing.
  • Perform unit testing, participate in estimating project efforts, and collaborate with stakeholders.
  • Support and optimize CI/CD processes and provide technical input into product roadmaps.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for large enterprises. The company retains nearly 1000 full-time professionals, operates in over 25 countries, and has a culture of Relentless Performance with a 99% project success rate.

Global

  • Lead design and development of product features for highly available payment processing, subscription billing, and reporting platforms.
  • Debug and troubleshoot complex issues, optimize system performance, and ensure reliability across money-movement flows.
  • Mentor junior team members and lead adoption of best practices for coding standards, testing, and deployment.

FastSpring is the world's leading ecommerce platform for software and SaaS companies, powering sales growth for over 3,500 companies in more than 200 countries. Founded in 2005 and privately owned, we are an Inc. 5000 honoree with offices globally and a remote-first, inclusive culture.

Brazil

  • Act as the primary technical interface with the client, engaging to understand future initiatives, business needs, and high-level technical requirements.
  • Contribute to the client's long-term technical roadmap, helping them understand the implications and feasibility of their plans.
  • Define the overall system architecture for the catalog value stream, including microservice boundaries, communication patterns, and technology choices.

CI&T is a tech transformation specialist, uniting human expertise with AI to create scalable tech solutions. With over 8,000 CI&Ters around the world, they’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is their reality.