Java Full Stack Engineer 2c Staff Jobs

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Software Engineer (Senior) – Platform Engineering & AI-Powered Process Automation Location: Chennai, India | Work Model: On-site Architect the foundational systems powering the next generation of global software execution. In this role, you will build high-performance, reusable platform services and modern developer tooling that directly elevate developer velocity and scale enterprise software globally. About the Team The Platform Engineering, Foundations & Enablement team builds the bedrock of Appian’s technical ecosystem. By delivering resilient shared services, automated developer tooling, and core frameworks, this team enables engineering organizations to build scalable enterprise solutions and accelerates Appian’s growth in the AI-Powered Process Automation market. The Opportunity Top-tier engineers join Appian to tackle deep distributed systems challenges at massive enterprise scale. This role gives you direct ownership over the core platform architecture and internal developer tools that power critical workflows worldwide. If you want to eliminate engineering friction, set architecture standards, and shape high-concurrency systems using cutting-edge enterprise tech, this opportunity offers high visibility and immediate technical influence. What You’ll Do Architect and construct high-performance, resilient platform features, robust APIs , and shared frameworks to power mission-critical operations. Execute technical spikes to clear architectural runways, ensuring system stability, modularity, and seamless long-term scalability. Elevate engine

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Drives AI-first tooling, SDLC automation, and developer productivity initiatives Required Experience & Skills 6+ years of experience building internal tools or developer platforms Strong CI/CD and automation expertise, Generative AI integration in SDLC Core Backend & Architectural Fundamentals: Deep dive into data structures, algorithms, and microservices/distributed system architecture patterns. While we embrace a language-agnostic mindset, strong proficiency in Java or Python is preferred. Cloud & Infrastructure: Hands-on experience with cloud infrastructure, container frameworks (Docker/Kubernetes), and CI/CD pipelines is a major advantage Modern Engineering Practices (Highly Valued): Daily utilization of AI tools and agentic engineering environments (e.g., Kiro, Claude, Copilot) to accelerate software design, automate background workflows, and optimize developer productivity Tools and Resources Training and Development: During onboarding, we focus on equipping new hires with the skills and knowledge for success through department-specific training. Continuous learning is a central focus at Appian, with dedicated mentorship and the First-Friend program being widely utilized resources for new hires. Growth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Responsibilities: - Develop, maintain, and extend test frameworks and infrastructure including system-level regression and smoke tests - Develop automated tests, identify when and where tests should be written, and implement performance test plans - Build custom testing applications in languages like Java or Python using tools like WebDriver, Locust, BrowserStack, Appium, Selenium Grid, and Postman - Develop automation that minimizes fragility through architectural patterns that isolate coupling to the System Under Test (SUT) - Develop and execute test automation for mobile use cases and offline functionality - Assess the impact of changes across the codebase through code reviews and ensure best practices are being followed - Explain features clearly - the intent, impact, value, and how they work; preferably possess working knowledge of at least one Appian subsystem - Proficient with IDE, build processes, Git, Jira, and CI - Break down features into story tickets; identify edge cases, technical risk, and troubleshoot defects to a single module - Distinguish between test error and application error; narrow down defects to a single module or function - Contribute to TAC documents and technical artifacts; challenge decisions with healthy debate; demonstrate a high standard of quality - Demonstrate clear understanding of priorities; surface blockers quickly; complete work with minimal prompting Tools and Resources Training and Development: During onboarding, we focus on equipping new hires with the skills and knowledge for success through department-spe

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Responsibilities: - Develop, maintain, and extend test frameworks and infrastructure including system-level regression and smoke tests - Develop automated tests, identify when and where tests should be written, and implement performance test plans - Build custom testing applications in languages like Java or Python using tools like WebDriver, Locust, BrowserStack, Appium, Selenium Grid, and Postman - Develop automation that minimizes fragility through architectural patterns that isolate coupling to the System Under Test (SUT) - Develop and execute test automation for mobile use cases and offline functionality - Assess the impact of changes across the codebase through code reviews and ensure best practices are being followed - Explain features clearly - the intent, impact, value, and how they work; preferably possess working knowledge of at least one Appian subsystem - Proficient with IDE, build processes, Git, Jira, and CI - Break down features into story tickets; identify edge cases, technical risk, and troubleshoot defects to a single module - Distinguish between test error and application error; narrow down defects to a single module or function - Contribute to TAC documents and technical artifacts; challenge decisions with healthy debate; demonstrate a high standard of quality - Demonstrate clear understanding of priorities; surface blockers quickly; complete work with minimal prompting Tools and Resources Training and Development: During onboarding, we focus on equipping new hires with the skills and knowledge for success through departm

Amplitude is the leading AI analytics platform, helping over 4,700 customers—including Atlassian, Burger King, NBCUniversal, and Square—build better products and digital experiences. With powerful AI Agents embedded across our platform, teams can analyze, test, and optimize user experiences faster than ever. Ranked #1 across multiple categories in G2’s Winter 2026 Report, Amplitude is the best-in-class solution for product, data, and marketing teams. Learn more at amplitude.com . As an organization, we deliver for our customers by living our values. We operate from a place of humility, take ownership of problems and successes, approach challenges with a growth mindset, and put our customers at the center of everything we do. Amplitude’s Commitment to Diversity Equity & Inclusion (DEI): Amplitude believes that diversity enables the creation of better products, improves the ability to solve complex problems, and drives more powerful solutions. We strive to create an environment of inclusion—one focused on psychological safety, empathy, and human connection—that will allow employees of all backgrounds to thrive. About the Role & Team Every AI insight, every experiment, every cohort at Amplitude starts with a query. Our in-house OLAP engine, Nova , processes trillions of events in real time — turning raw behavioral data into fast, trustworthy answers that power decisions for thousands of product teams worldwide. We're entering a world where AI agents don't just assist product teams — they ship features, run experiments, and make prioritization calls autonomously. What makes that possible is agents' ability to verify their work against real product data continuously. That makes Nova the critical infrastructure in the loop, and as non-stop agents become the main source of queries, the demand on Nova's throughput, correctness, and operational rigor grows dramatically. We're looking for a Senior Software Engineer who wants to go deep on the engine internals and the

Amplitude is the leading AI analytics platform, helping over 4,700 customers—including Atlassian, Burger King, NBCUniversal, and Square—build better products and digital experiences. With powerful AI Agents embedded across our platform, teams can analyze, test, and optimize user experiences faster than ever. Ranked #1 across multiple categories in G2’s Winter 2026 Report, Amplitude is the best-in-class solution for product, data, and marketing teams. Learn more at amplitude.com . As an organization, we deliver for our customers by living our values. We operate from a place of humility, take ownership of problems and successes, approach challenges with a growth mindset, and put our customers at the center of everything we do. Amplitude’s Commitment to Diversity Equity & Inclusion (DEI): Amplitude believes that diversity enables the creation of better products, improves the ability to solve complex problems, and drives more powerful solutions. We strive to create an environment of inclusion—one focused on psychological safety, empathy, and human connection—that will allow employees of all backgrounds to thrive. About the Role & Team Every AI insight, every experiment, every cohort at Amplitude starts with a query. Our in-house OLAP engine, Nova , processes trillions of events in real time — turning raw behavioral data into fast, trustworthy answers that power decisions for thousands of product teams worldwide. We’re entering a world where AI agents don’t just assist product teams — they ship features, run experiments, and make prioritization calls autonomously. What makes that possible is agents’ ability to verify their work against real product data continuously. That makes Nova the critical infrastructure in the loop, and as non-stop agents become the main source of queries, the demand on Nova’s throughput, correctness, and operational rigor grows dramatically. We’re looking for a Staff Software Engineer who wants to go deep on both the engine internals and

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Team Lead, Technical Support As Technical Support Team Lead in Singapore, you will head a high-performing, merchant-centric team driven by collaborative success. Functioning as the primary touchpoint for Adyen's global merchant base, your team directly enables clients to process payments reliably and scale their operations. You will empower team members to partner with technology, commercial, and operational teams across Adyen to deliver a seamless merchant support framework. With Adyen running 24/7 under a global "follow the sun" model, your team's deep domain expertise in payments serves as a crucial resource for both our merchants and internal business units. What you’ll do Direct a team acting as a primary subject matter expert on Adyen's platform, APIs, core technology stack, and industry-standard integration techniques and best practices. Lead a Singapore-based team collaborating with regional and global counterparts to deliver top-tier support to merchants. Establish, align, and clearly articulate target goals and objectives for the Support department. Contribute actively to shaping and executing Adyen's overarching global support strategy. Mentor and support team members in resolving complex merchant technical challenges and advancing their career paths. Monitor performance and operational success via KPIs and datasets, usin

We believe communication belongs to everyone. We exist to democratize phone service. TextNow is evolving the way the world connects and that's because we're made up of people with curious minds who bring an optimistic, yet critical lens into the work we do. We're the largest provider of free phone service in the nation. And we're just getting started. Join us in our mission to break down barriers to communication and free the flow of conversation for people everywhere. TextNow is looking for an experienced Senior Web Developer to play a key role in the development of our voice and messaging platform on Web. You will be responsible for building high-performance, scalable, and feature-rich mobile applications that integrate voice, video, and messaging capabilities. You will work alongside a talented team of developers, product managers, and UX/UI designers to create intuitive and user-centric experiences. What You'll Do Design, develop, and maintain a high-quality Web application focused on voice and messaging features (voice calling, chat, real-time notifications, etc.). Write clean, maintainable and testable Web applications in Javascript using the latest programming techniques and frameworks Collaborate with cross-functional teams to define, design, and ship new features. Work with real-time communication protocols, such as WebRTC, SIP, and related messaging and voice frameworks. Optimize app performance to ensure smooth voice and messaging functionality, including audio quality, latency, and bandwidth usage. Troubleshoot and debug issues related to performance, crashes, and other bugs, ensuring a smooth and stable user experience. Own problems and solutions end-to-end, from ideation to deployment Experimentation is a key part of your workflow; be data-driven and make the right decisions for our customers Dep

Location: San Francisco, CA (Remote/Hybrid Available) What is Verse? The race to AI has become the race to power. Every breakthrough in artificial intelligence depends on one thing: access to electricity. But across the country, aging grid infrastructure and years-long interconnection queues are slowing the deployment of the data centers that will power the next generation of innovation. Solving this challenge isn't just about energy—it's about unlocking the future of AI. At Verse, we're building the energy intelligence platform for the AI economy. Our software helps the world's largest energy consumers achieve faster, cheaper, and cleaner power by combining real-time control of energy assets with complete visibility into their energy portfolio. Backed by Bessemer Venture Partners, GV, Coatue, and NVIDIA, and built by pioneers in grid-scale batteries, energy markets, and enterprise software, we're redefining how the world's most ambitious organizations access and manage energy. The Role As a Software Engineer focusing on Distributed Systems at Verse, you will work in collaboration with some of the brightest industry experts in the field building cloud-native applications that scale to trillions of data points collected from electricity markets globally. You will be a part of a dynamic, robust team primarily supporting the backend needs of our Aria software product spanning hundreds of data sources, sinks, services, and jobs. Your expertise will not only have a direct impact on product decisions, but you also be well-positioned to drive the development and trajectory of our entire platform and infrastructure and influence important architectural decisions that affect the whole organization. Key Responsibilities Foster a culture and mindset of well-designed systems, test-driven software, and transparent communication with a high caliber of mutual respect and consideration for stakeholders Read and write a lot of Go, Python, and Protobuf Build, test, debug, maint

Backend Engineer (Senior Level) - SDE IV We're looking for a Senior Backend Engineer to lead the architecture and evolution of backend services that deploy and serve machine learning models in production. You'll work closely with ML Engineers, Platform, and Product teams to build scalable, reliable systems and drive technical direction across multiple teams. What You’ll Do Design and drive the long-term architecture of backend services for biometrics and ML model serving. Collaborate with core platform and backend teams on organization-wide architectural initiatives. Partner with business and engineering teams to design and deliver cross-cutting platform capabilities. Lead architectural reviews, mentor engineers, and promote engineering best practices. Build and maintain backend services for deploying and serving ML models Monitor service reliability, performance, and scalability in production Deploy and operate services on AWS using ECS + Fargate, SageMaker, or EC2 + Kubernetes Support real-time and batch inference workflows Contribute to CI/CD pipelines and deployment automation What We’re Looking For Strong expertise in backend development using Java and working knowledge of Python. Experience mentoring engineers and driving architectural decisions. Working knowledge of Python, especially for ML-related workflows Hands-on experience with AWS (e.g., DynamoDB, ECS, EC2, Redis, S3, SageMaker) Familiarity with Terraform or other infrastructure-as-code tools, and experience with CI/CD and production monitoring Experience with observability tools (Datadog, New Relic, etc.) Experience with containers and orchestration (Docker, ECS, etc.) Understanding of how ML models are deployed and served in production Experience with Kubernetes Nice to Have Experience with MLOps or ML platform engineering. Experience with asynchronous programming and event-driven systems. Jumio Values: IDEAL: Integrity, Diversity, Empowerment, Accountability, Leading Innovation Equal Opportunities :

Role Purpose: At Jumio, the Software Engineer II (QA) will focus on ensuring the quality and performance of highly scalable web and backend applications. In this role, you will design and implement automated tests for web (Playwright/Selenium) and API-based solutions, leveraging your knowledge of Java or JavaScript. Collaborating closely with development and product teams, you will ensure Jumio's products meet the highest standards of quality and reliability. You’ll have an opportunity to learn and grow in a fast-paced environment while exploring new tools and methodologies. A problem-solving mindset, willingness to innovate, and attention to detail will make you successful in this role. T-Shaped Engineering Expectation: As part of Jumio’s engineering culture, you will adopt a T-shaped engineering approach. In addition to developing expertise in test automation and quality engineering, you will collaborate across the development lifecycle, including understanding software architecture, contributing to design discussions, and ensuring robust and scalable test solutions. Role Value: This role is critical to ensuring the reliability, scalability, and security of Jumio’s products. By building and maintaining automated testing frameworks, you will enable faster releases and higher confidence in the quality of our software. Example Responsibilities: Develop, maintain, and execute automated test scripts for web applications using Playwright, Selenium, or similar automation frameworks. Create and execute API test suites using tools such as Postman, REST Assured, or equivalent testing frameworks. Design and execute functional, regression, integration, and exploratory test cases based on business and technical requirements. Validate application functionality, backend services, APIs, and data flows across different environments. Identify, document, track, and verify defects, working closely with developers to ensure timely resolution. Execute automated test suites as part of C

We are seeking a skilled and detail-oriented Test Analyst with 3-5 years of experience and a bachelor's degree in Computer Science, Information Technology, Engineering, or a related field to join our dynamic team. The ideal candidate will have a strong background in software testing, with a deep understanding of the software development lifecycle and a passion for ensuring the quality of software products. Key responsibilities include analyzing project requirements, designing test plans and test cases, and performing both manual and automated testing of software applications. The Test Analyst will work closely with developers, business analysts, and other stakeholders to ensure the quality and integrity of the product. This includes participating in Agile ceremonies such as sprint planning, stand-ups, and retrospectives. Additionally, the role involves developing and maintaining automated test scripts, integrating them into the CI/CD pipeline, and generating test reports and metrics to communicate progress and quality to stakeholders. The ideal candidate will possess strong problem-solving skills, a keen eye for detail, and the ability to work effectively in a collaborative team environment. Familiarity with test automation tools like Selenium, scripting languages such as Python or Java, and CI/CD tools like Jenkins is essential. Excellent verbal and written communication skills are required, and experience in Agile/Scrum environments is a plus. An ISTQB certification or equivalent is preferred but not mandatory. This position offers a competitive salary and benefits package, along with opportunities for professional development and career growth.

We are seeking a skilled and detail-oriented Test Analyst with 3-5 years of experience and a bachelor's degree in Computer Science, Information Technology, Engineering, or a related field to join our dynamic team. The ideal candidate will have a strong background in software testing, with a deep understanding of the software development lifecycle and a passion for ensuring the quality of software products. Key responsibilities include analyzing project requirements, designing test plans and test cases, and performing both manual and automated testing of software applications. The Test Analyst will work closely with developers, business analysts, and other stakeholders to ensure the quality and integrity of the product. This includes participating in Agile ceremonies such as sprint planning, stand-ups, and retrospectives. Additionally, the role involves developing and maintaining automated test scripts, integrating them into the CI/CD pipeline, and generating test reports and metrics to communicate progress and quality to stakeholders. The ideal candidate will possess strong problem-solving skills, a keen eye for detail, and the ability to work effectively in a collaborative team environment. Familiarity with test automation tools like Selenium, scripting languages such as Python or Java, and CI/CD tools like Jenkins is essential. Excellent verbal and written communication skills are required, and experience in Agile/Scrum environments is a plus. An ISTQB certification or equivalent is preferred but not mandatory. This position offers a competitive salary and benefits package, along with opportunities for professional development and career growth.

We are seeking a skilled and detail-oriented Test Analyst with 3-5 years of experience and a bachelor's degree in Computer Science, Information Technology, Engineering, or a related field to join our dynamic team. The ideal candidate will have a strong background in software testing, with a deep understanding of the software development lifecycle and a passion for ensuring the quality of software products. Key responsibilities include analyzing project requirements, designing test plans and test cases, and performing both manual and automated testing of software applications. The Test Analyst will work closely with developers, business analysts, and other stakeholders to ensure the quality and integrity of the product. This includes participating in Agile ceremonies such as sprint planning, stand-ups, and retrospectives. Additionally, the role involves developing and maintaining automated test scripts, integrating them into the CI/CD pipeline, and generating test reports and metrics to communicate progress and quality to stakeholders. The ideal candidate will possess strong problem-solving skills, a keen eye for detail, and the ability to work effectively in a collaborative team environment. Familiarity with test automation tools like Selenium, scripting languages such as Python or Java, and CI/CD tools like Jenkins is essential. Excellent verbal and written communication skills are required, and experience in Agile/Scrum environments is a plus. An ISTQB certification or equivalent is preferred but not mandatory. This position offers a competitive salary and benefits package, along with opportunities for professional development and career growth.

We are seeking a skilled and detail-oriented Test Analyst with 3-5 years of experience and a bachelor's degree in Computer Science, Information Technology, Engineering, or a related field to join our dynamic team. The ideal candidate will have a strong background in software testing, with a deep understanding of the software development lifecycle and a passion for ensuring the quality of software products. Key responsibilities include analyzing project requirements, designing test plans and test cases, and performing both manual and automated testing of software applications. The Test Analyst will work closely with developers, business analysts, and other stakeholders to ensure the quality and integrity of the product. This includes participating in Agile ceremonies such as sprint planning, stand-ups, and retrospectives. Additionally, the role involves developing and maintaining automated test scripts, integrating them into the CI/CD pipeline, and generating test reports and metrics to communicate progress and quality to stakeholders. The ideal candidate will possess strong problem-solving skills, a keen eye for detail, and the ability to work effectively in a collaborative team environment. Familiarity with test automation tools like Selenium, scripting languages such as Python or Java, and CI/CD tools like Jenkins is essential. Excellent verbal and written communication skills are required, and experience in Agile/Scrum environments is a plus. An ISTQB certification or equivalent is preferred but not mandatory. This position offers a competitive salary and benefits package, along with opportunities for professional development and career growth.