Our Customer is a Sweden-based AdTech company specializing in advanced self-serve advertising platforms that automate direct transactions between advertisers and major global publishers. Their technology removes traditional friction in ad sales by enabling automation, transparency, and operational efficiency at scale. Platforms are trusted by internationally recognized publishers including TripAdvisor, Bloomberg, The Washington Post, Opera, and Dow Jones, handling millions of transactions worldwide. The project is a strategic architectural transformation toward a Platform-First approach. The company is transitioning from monolithic, client-specific implementations to a standardized, API-driven, multi-tenant ecosystem of reusable microservices. These services power the entire product suite, remaining independent, scalable, and decoupled from frontend or customer-specific customization.
Senior Java Developer
Location
Worldwide
Posted
4 hours ago
Salary
0
Seniority
Senior
Job Description
Senior Java Developer
Sigma Software
Role Description Join a project where scalability, resiliency, and real-time communication are at the core of the engineering challenge. We are looking for a Senior Java Developer to help build a high-load multi-channel communications platform used to deliver critical notifications to millions of users worldwide. As part of Sigma Software, you will work remotely in an international engineering environment and contribute to the development of distributed, event-driven systems with complex delivery pipelines and fault-tolerant architecture. The project focuses on building a modern multi-channel communications platform capable of delivering critical notifications across email, SMS, voice, and push channels at massive scale. The system supports automated workflows, emergency broadcasts, consent management, reporting and analytics, provider failover strategies, and real-time event processing. - Design and implement a scalable event-driven communications platform - Build highly reliable and fault-tolerant message delivery systems - Manage large-scale real-time event processing pipelines - Design and implement multi-channel delivery pipelines across email, SMS, voice, and push channels - Handle compliance requirements, consent management, and communication policies - Support emergency and high-priority notification workflows - Implement provider failover and resiliency strategies to ensure delivery continuity - Build tracking systems for delivery status, retries, and engagement events - Design and implement observability, reporting, and analytics infrastructure - Develop event processing and message orchestration workflows - Implement provider integrations and external messaging service adapters - Ensure system scalability, throughput, and performance under high load - Collaborate with product and engineering teams on communication flows and requirements - Contribute to architectural decisions and long-term platform evolution - Ensure operational stability, reliability, and maintainability of the system Qualifications - At least 5 years of commercial software engineering experience - Strong experience in Java development - Proven experience designing and building high-scale messaging, notification, or communication platforms supporting email, SMS, push, or voice channels - Strong experience integrating with CPaaS and messaging providers such as Twilio, SendGrid, Amazon SES, SNS, Firebase/APNs, Braze, Iterable, or OneSignal - Solid understanding of event-driven architectures using Kafka, Pub/Sub, Apache Beam, Kafka Streams, Flink, or similar technologies - Strong knowledge of message delivery semantics, including exactly-once or effectively-once processing, idempotency, deduplication, retries, and reconciliation - Experience designing scalable streaming pipelines with support for backpressure, dead-letter queues, replay, ordering, and fault tolerance - Hands-on experience building reliable provider integration layers with failover, rate limiting, webhook processing, and delivery tracking - Strong understanding of messaging compliance requirements, including TCPA, CAN-SPAM, 10DLC, opt-in/opt-out management, suppression lists, and sender reputation - Experience designing systems that protect sensitive customer data and minimize PII exposure - Experience building priority-based delivery architectures for high-volume messaging platforms - Strong understanding of scheduling and time-based delivery logic, including time zones, quiet hours, recurring schedules, and daylight saving time handling - Experience implementing safeguards for large-scale messaging, including approval workflows, preview mechanisms, test modes, and blast-radius protection - Experience designing delivery tracking, reporting, and analytics systems with accurate reconciliation across providers - Strong knowledge of distributed systems, scalability, reliability, and high-availability architectures - Excellent problem-solving skills with the ability to build highly reliable, fault-tolerant backend systems - Upper-Intermediate or higher level of English Requirements - Experience with email/SMS deliverability and sender reputation management - Understanding of A2P 10DLC registration and messaging compliance - Experience with Voice & TTS solutions - Knowledge of template management, content rendering, and localization pipelines - Experience building scheduled or delayed delivery systems on cloud platforms (preferably GCP) - Understanding of event schema design and idempotent event modeling - Experience with BigQuery reporting and analytics - Exposure to regulated environments (e.g., FERPA/COPPA, K-12, education) Benefits - Strong analytical and problem-solving skills - Ability to work in distributed cross-functional teams - Proactive approach to ownership and technical decision-making - Strong communication and collaboration skills - Ability to work in high-load, fast-paced environments - Focus on reliability, scalability, and engineering quality
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Software Engineer Sr
PNCPNC Bank is part of one of the largest diversified financial services institutions in the United States. With a coast-to-coast presence, PNC is organized around its customers and communities for strong relationships and local delivery of retail and business banking including a full range of lending products; specialized services for corporations and government entities, including corporate banking, real estate finance and asset-based lending; wealth management and asset management.
Job Profile Position Overview At PNC, our people are our greatest differentiator and competitive advantage in the markets we serve. We are all united in delivering the best experience for our customers. We work together each day to foster an inclusive workplace culture where all of our employees feel respected, valued and have an opportunity to contribute to the company’s success. As a Software Engineer Sr within PNC's C&IB organization, you will be based in Morgantown, WV or Pittsburgh, PA. Key Responsibilities Technical Leadership • Lead UI architecture and design decisions for web and responsive applications. • Define UI standards, best practices, and reusable component libraries. • Review code, enforce quality standards, and mentor UI developers. • Guide adoption of modern UI frameworks and design systems. Development • Design and develop complex, scalable, and responsive UI solutions. • Build reusable UI components using Angular / React / Vue and modern JavaScript/TypeScript. • Integrate UI with backend services via REST APIs and microservices. • Optimize applications for performance, security, and cross browser compatibility. Collaboration • Partner with UX/UI designers to translate wireframes and prototypes into high quality implementations. • Work closely with backend engineers, architects, and DevOps teams. • Participate in Agile ceremonies (PI planning, sprint planning, reviews, retrospectives). Quality & Compliance • Ensure UI compliance with accessibility standards (WCAG / ADA). • Enforce secure coding practices and enterprise UI standards. • Support automated testing (unit, integration, UI automation). ________________________________________ Required Qualifications • Multiple years of experience in UI / front end development. • 2+ years in a technical lead or senior UI role. • Strong expertise in: o HTML5, CSS3, SCSS o JavaScript / TypeScript o Angular, React, or Vue • Experience building Single Page Applications (SPA). • Strong understanding of responsive and mobile first design. • Experience consuming RESTful APIs and JSON. • Familiarity with CI/CD pipelines and Git based source control. • Experience working in Agile / Scrum environments. ________________________________________ Preferred Qualifications • Experience with enterprise design systems and component libraries. • Exposure to accessibility standards (WCAG 2.x). • Knowledge of microservices based architectures. • Experience with UI testing frameworks (Jest, Jasmine, Cypress, Playwright). • Cloud exposure (AWS / Azure). • Financial services or regulated industry experience. ________________________________________ Soft Skills • Strong communication and leadership skills. • Ability to influence technical direction and drive consensus. • Proven mentoring and coaching experience. • Excellent problem solving and analytical skills. This position may be eligible for remote work in select geographic locations, subject to approval by PNC. If approved, work must be conducted from a quiet, secure, and confidential home-based workspace. Occasional in-office participation may be required based on business needs. PNC will not provide sponsorship for employment visas or participate in STEM OPT for this position.Job Description - Provides detailed technical design and development of software solutions using existing and emerging technology platforms. - Proposes & designs software solutions to address complex business needs. - Writes code, tests and deploys software. - Prepares technical and procedural documentation required for software. - Maintains and debugs software. PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be: - Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions. - Managing Risk - Assessing and effectively managing all of the risks associated with their business objectives and activities to ensure they adhere to and support PNC's Enterprise Risk Management Framework. Qualifications Successful candidates must demonstrate appropriate knowledge, skills, and abilities for a role. Listed below are skills, competencies, work experience, education, and required certifications/licensures needed to be successful in this position. Preferred SkillsApplication Development, Business Management, Customer Solutions, Design, Group Problem Solving, J2EE Applications, J2EE Technologies, MongoDB, Process Improvements, Release Management, Software Solutions, User Experience (UX) Design CompetenciesApplication Delivery Process, Application Design, Architecture, Application Development Tools, Application Testing, Packaged Application Integration, System Development Life Cycle, Technical Troubleshooting, Technical Writing/Documentation Work ExperienceRoles at this level typically require a university / college degree, with 3+ years of relevant / direct industry experience. Certifications are often desired. In lieu of a degree, a comparable combination of education, job specific certification(s), and experience (including military service) may be considered. EducationBachelors CertificationsNo Required Certification(s) LicensesNo Required License(s) Application Window Generally, this opening is expected to be posted for two business days from 05/12/2026, although it may be longer with business discretion. Benefits PNC offers a comprehensive range of benefits to help meet your needs now and in the future. Depending on your eligibility, options for full-time employees include: medical/prescription drug coverage (with a Health Savings Account feature), dental and vision options; employee and spouse/child life insurance; short and long-term disability protection; 401(k) with PNC match, pension and stock purchase plans; dependent care reimbursement account; back-up child/elder care; adoption, surrogacy, and doula reimbursement; educational assistance, including select programs fully paid; a robust wellness program with financial incentives. In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service.To learn more about these and other programs, including benefits for full time and part-time employees, visit pncthrive.com. Disability Accommodations StatementIf an accommodation is required to participate in the application process, please contact us via email at AccommodationRequest@pnc.com. Please include “accommodation request” in the subject line title and be sure to include your name, the job ID, and your preferred method of contact in the body of the email. Emails not related to accommodation requests will not receive responses. Applicants may also call 877-968-7762 and say "Workday" for accommodation assistance. All information provided will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations. At PNC we foster an inclusive and accessible workplace. We provide reasonable accommodations to employment applicants and qualified individuals with a disability who need an accommodation to perform the essential functions of their positions. Equal Employment Opportunity (EEO)PNC provides equal employment opportunity to qualified persons regardless of race, color, sex, religion, national origin, age, sexual orientation, gender identity, disability, veteran status, or other categories protected by law. This position is subject to the requirements of Section 19 of the Federal Deposit Insurance Act (FDIA) and, for any registered role, the Secure and Fair Enforcement for Mortgage Licensing Act of 2008 (SAFE Act) and/or the Financial Industry Regulatory Authority (FINRA), which prohibit the hiring of individuals with certain criminal history. California Residents Refer to the California Consumer Privacy Act Privacy Notice to gain understanding of how PNC may use or disclose your personal information in our hiring practices.




