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Senior React Developer Jobs

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LHV Bank Limited is a UK-licensed bank operating across three core business segments: Retail Banking, SME Lending, and Banking Services (BaaS). The bank is a wholly owned subsidiary of LHV Group, a listed financial services provider headquartered in Estonia. LHV Bank operates under a full UK banking licence granted in May 2023. The Bank supports over 200 fintech clients with embedded financial infrastructure, provides retail savings products via digital channels, and offers SME credit solutions across the UK. In line with its regulatory responsibilities and growth ambitions, LHV Bank is committed to maintaining a robust and proportionate financial crime control environment. Expanding our services, LHV Bank now provides personal banking solutions. Our offerings include current accounts with competitive interest rates, fixed-rate bonds for long-term savings, and debit cards. Customers can conveniently access these services through the LHV App, enabling secure account opening and management. About the team You'll join LHV Bank's Retail Banking team, a cross-functional group of iOS, Android and Backend engineers working alongside Product and Design to build the app customers use to manage their money: accounts, cards, payments, savings, deposits, and onboarding/KYC. The Android codebase is modular and Kotlin-first, organised into independent core and feature modules. About the role We're hiring a Senior Android Engineer to take a leading technical role on the app. You'll own meaningful feature areas end to end, raise the bar on code quality and architecture, and mentor engineers across the team. You'll work closely with product, design, and backend engineering to ship features that are secure, fast, and genuinely good to use. There's also the option to contribute to our Kotlin backend-for-frontend (BFF), for engineers who want exposure across the stack. What you'll work on &n

gitaikotlin
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Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Senior Software Engineer Cloud Engineering (Contractor) We are seeking a Senior Software Engineer to be part of a new engineering team supporting our Cloud Streaming platforms. This individual will partner closely with existing domain experts, develop deep expertise in complex distributed systems, and serve as the technical foundation for building a new high-performing team. What You’ll Do Design and implementation of features in distributed back end systems Ownership of the implementation and delivery of well-defined features from start to finish Implementation of unit tests via testing frameworks Define and craft integration tests with Test Engineering Solve performance and reliability issues at a global scale Triage and fix reported bugs Communicate estimates, schedules, issues, and dependencies to technical or project lead Requirements BS in Computer Science (or equivalent experience) 5+ years of relevant experience In-depth experience in Java Experience with AWS technologies and managed services Knowledge of Kubernetes, Docker, Helm Development experience with Linux Intermediate knowledge of version control tools such as git, Github and GitLab Familiarity with CI/CD pipelines, ArgoCD Knowledge in NoSQL, Prometheus, Elasticsearch, and other CNCF technologies D

pythonjavaaws
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At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Snowflake’s cloud spend is in billions of dollars per year. Hence, it is critical for us to govern and optimize our cloud spend, both for margins and long-term competitive advantage. Cloud Efficiency team’s charter is to build scalable products that enable governance, monitoring and optimization of cloud spend. Think of this as Observability for cloud costs and efficiency. The team’s vision is to “Transform cloud spend into a competitive advantage by empowering teams to continuously optimize the per-unit cost.” In order to improve the overall cloud efficiency (i.e. cost per unit), it is critical to build monitoring products that collate costs with other factors such as utilization, attribution, hardware performance and architecture. Hence, there is an opportunity to build a unified, self-serve cloud efficiency product across Snowflake, that delivers actionable, real-time efficiency datasets through streamlined user experiences. This will enable thousands of engineers at Snowflake and will elevate cloud efficiency at Snowflake for long-term success. When developing these solutions, we think about the problem end-to-end: how do we collect data from different stacks (e.g. costs from AWS, GCP, Azure and CPU, Memory, Utilization) across Snowflake reliably, how do we store it eff

pythonjavaaws
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Zscaler
📍 Connecticut• Remote• $154.9K – $221.3K/yr
2mo ago

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Sales Engineer to join our Majors Account team. This is an East role in NYC Metro, reporting to the Sales Engineering Manager in the Americas Field Sales department. You will be responsible for architecting technical solutions that directly address and resolve critical customer pain points. What you’ll do (Role Expectations) Overseeing the technical sales process Running Proof of Value from start to finish, as the technical and industry expert Collaborating and supporting internal Zscaler teams Who You Are (Success Profile) You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution. You are a problem-solver. You seek out challenges because you are energized by finding solutions, knowing that solving

REMOTEai
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Zscaler
📍 Maine• Remote• $154.9K – $221.3K/yr
2mo ago

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Sales Engineer to join our Majors Account team. This is a New England role, reporting to the Sales Engineering Manager in the Americas Field Sales department. You will be responsible for architecting technical solutions that directly address and resolve critical customer pain points. What you’ll do (Role Expectations) Overseeing the technical sales process Running Proof of Value from start to finish, as the technical and industry expert Collaborating and supporting internal Zscaler teams Who You Are (Success Profile) You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution. You are a problem-solver. You seek out challenges because you are energized by finding solutions, knowing that solving the har

REMOTEai
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Why Translucent Healthcare providers drive $2.5 trillion in medical expenditures annually — and operate on razor-thin 2–5% margins. Despite these stakes, the finance teams behind these organizations are buried in spreadsheets, manual data pulls, and disconnected systems, spending more time finding and cleaning data than actually using it to make decisions. Translucent is changing that. We're building the agentic AI platform designed exclusively for healthcare finance— giving every finance team, department, service line their own arsenal of AI Agents that run 24/7, understand their specific data, business logic, and workflows. Founded in 2024 and backed by GV, NEA, FPV, and Virtue, we've already been deployed by healthcare organizations managing over $5 billion in combined revenue. The product-market fit is real, the problem is massive, and we're just getting started. If you want to work at the intersection of AI and one of the most complex, consequential industries in the world — this is the place. About the role We're hiring a Senior Security Engineer in New York to own security and compliance across our IT and software development practices at the frontier of LLM-agentic product development. You'll join the platform technology organization as its primary security engineer, building and maintaining security infrastructure in GCP and across our sub-processors. Partnering closely with platform and product engineers, you'll keep our core deployed systems secure and well-tested, define internal security standards, and evaluate and audit the technologies the company adopts. In short, you'll enable us to move fast with emerging technology without compromising on security. What you'll do Manage SecOps software in GCP and Vanta. Continually monitor, analyze and improve our deployed software’s security posture Validate software is correct, secure, and maintains customer privacy Manage compliance standards and own the lifecycle of necessary diligence work Maintain a database

typescriptpythongcp
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2mo ago

CAPCO POLAND *We are looking for Poland based candidate. At Capco Poland, we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management. Role Overview We are seeking an experienced Senior Java Developer to provide specialist software development services focused on designing, developing, and enhancing enterprise-grade applications. The ideal candidate should have hands-on experience in Core Java, Spring Boot, Microservices, REST APIs, and database technologies , along with a solid understanding of software development best practices. Scope of Services Design, develop, test, and deploy scalable Java-based applications. Build and maintain RESTful APIs and Microservices. Develop backend services using Java, Spring Boot, and related frameworks. Collaborate with business analysts, architects, and development teams to understand requirements. Write clean, maintainable, and efficient code following coding standards. Troubleshoot, debug, and optimize application performance. Participate in code reviews and ensure high-quality deliverables. Work with CI/CD pipelines and DevOps practices for application deployment. Ensure application security, reliability, and scalability. Required Skills 7+ years of experience in Java application development. Strong expertise in: Core Java (Java 8/11/17) Spring Boot Spring MVC Microservices Architecture RESTful Web Services Hibernate/JPA Experience with relational databases such as SQL Server, Oracle, MySQL, or PostgreSQL. Proficiency in Git and version control systems. Knowledge of Maven/Gradle build tools. Experience with unit testing frameworks like JUnit and Mockito. Understanding of design patterns and object-oriented programming principles. We offer a flexible

javasqlpostgresql
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CAPCO POLAND *We are looking for Poland based candidate. At Capco Poland, we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management. Role Overview We are looking for an experienced Senior DevOps Engineer to provide specialist DevOps services focused on designing, implementing, and enhancing cloud-based infrastructure and CI/CD solutions on Microsoft Azure. The ideal candidate should have strong hands-on experience in Azure services, Infrastructure as Code (IaC), automation, containerization, and monitoring tools to enable scalable, secure, and reliable application deployments. Scope of Services Design, implement, and manage cloud infrastructure on Microsoft Azure. Build, maintain, and optimize CI/CD pipelines using Azure DevOps. Automate infrastructure provisioning using Terraform, ARM Templates, or Bicep. Manage containerized applications using Docker and Kubernetes (AKS). Implement infrastructure monitoring, logging, and alerting solutions. Ensure security, compliance, and governance practices across Azure environments. Collaborate with development, QA, and operations teams to streamline deployment processes. Troubleshoot production issues and perform root cause analysis. Implement backup, disaster recovery, and high-availability solutions. Optimize infrastructure performance, scalability, and cost. Required Skills 7+ years of overall IT experience with strong DevOps expertise. Hands-on experience with Microsoft Azure services Strong experience with Azure DevOps (Repos, Pipelines, Boards, Artifacts). Expertise in CI/CD pipeline development and automation . Experience with Terraform, ARM Templates, or Bicep . Strong scripting skills in PowerShell, Bash, or Python . Experience with Docker and Kuberne

pythonazuredocker
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2mo ago

Integration meets Innovation At Celigo, we believe integration should empower — not exhaust — innovation. As a modern Integration and Automation Platform (iPaaS), we’re on a mission to simplify how companies integrate, automate, and optimize processes. Powered by game-changing technology like runtime AI and prebuilt, mission-critical integrations, Celigo is redefining how businesses connect their world. Celigo is looking for a Senior Developer who will be responsible for designing and delivering scalable integration solutions using the Celigo integrator.io platform. This role focuses on implementing and optimizing integrations between ERP systems (such as NetSuite, SAP, or Microsoft Dynamics) and modern cloud-based applications (such as Amazon, Shopify, Salesforce, and HubSpot), while leveraging emerging capabilities like Celigo agentic services and MCP servers to enable intelligent automation and orchestration. The ideal candidate brings deep technical expertise, a consultative mindset, and a passion for building resilient, high-performing integration architectures. What would you do if hired? Collaborate with clients to gather requirements and translate them into scalable technical solutions. Utilize Celigo integrator.io to integrate ERP, SaaS, and on-premise systems. Design and implement data mappings and transformations to ensure data integrity across systems. Design and manage APIs, including defining endpoints, authentication, versioning, and governance best practices. Perform end-to-end testing and validation of integration solutions. Ensure best practices in performance, security, and governance. Provide go-live support, ongoing support, advisory services, and knowledge transfer to customers. Utilize Celigo's AI capabilities — including AI Studio, agentic workflows, and MCP server orchestration. Design intelligent prompts and develop AI agents and solutions that drive real value for customers. Deploy and manage Celigo agentic services for intel

javascriptnode.jssql
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2mo ago

We design Spotify's consumer experience — end to end, moment to moment, across every screen, platform, and partner integration. Our mission is to make listening feel effortless, personal, and joyful for billions of users around the world. That means turning complexity into clarity across hundreds of touchpoints — from our mobile and desktop apps to the smart speakers, TVs, cars, and integrations where Spotify shows up every day. If it touches a consumer, we shape it. We bring deep insight into human behavior, design, and technology to craft experiences that feel intuitive, expressive, and unmistakably Spotify. Platform & Partner Experience (PPX) sits within the Experience Mission, shaping how Spotify shows up across devices, platforms, and partner ecosystems. We build the foundations that power seamless integrations — from smart speakers to cars to AI agents — while ensuring every interaction feels personal, reliable, and unmistakably Spotify. As a Senior Staff Engineer, you'll advance how our systems power partner experiences at scale, tackling complex challenges that span teams, systems and organizational boundaries. You will work closely with platform, infrastructure, and product teams across the company to create shared foundations, streamline our architecture and unlock new experiences for our users and partners. What You Will Do Lead the technical strategy, architecture, and development of systems that enable and enhance partner and platform experiences across devices and integrations Drive complex technical initiatives that span multiple studios or a full mission — particularly where coordination cost, architectural sprawl, or competing local optimizations are part of the problem Create leverage by unifying fragmented approaches, retiring duplicative systems, and establishing the standards and platforms that enable multiple studios move faster without reinventing foundations — judging where consolidation creates leverage and whe

Xendit is the financial technology platform built for businesses that move fast. We give companies one unified platform for payment acceptance, payouts, treasury and financial services, replacing fragmented local integrations with a single infrastructure layer. We serve businesses of every size, from high-growth startups to global enterprises, processing high-volume transactions across Southeast Asia and beyond, with more markets on our global expansion roadmap. Why this role exists The merchant lifecycle: onboarding, activation, and lifecycle across many surfaces, where consistency and reusability matter as much as any single flow. This role does double duty: raise the craft on the merchant lifecycle experience, and own the design system that keeps that experience coherent as the domain scales. You are the person who both designs the hard flow and builds the pattern that keeps the next ten from drifting. What you'll own Product design in the Operational Journey cluster: onboarding, dashboard, and KYC-heavy lifecycle flow, reconciling clarity with compliance requirements. Design system consolidation (your first mission): take the existing design system, analyze and diagnose it, consolidate and document it properly, and establish tokens and patterns the whole team can build on. Design standards across the domain: you set the quality bar and guide design decisions in areas without a dedicated designer yet, including the developer-experience surface, through standards and critique, not by producing every screen. Mentorship: you raise the craft of other designers on the team when needed. How you will work You report to the Product Design & UX Director for Customer Lifecycle. You are the senior design owner in the domain at the outset, setting standards, shipping craft, and building the system others rely on. Your time splits between product work and system consolidation, weighted toward the system early while the foundation is built, then rebalancing toward product.

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2mo ago

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Snowflake is about empowering enterprises to achieve their full potential — and people too. With a culture that’s all in on impact, innovation, and collaboration, Snowflake is the sweet spot for building big, moving fast, and taking technology — and careers — to the next level. We’re at the forefront of the data revolution, committed to building the world’s greatest data and applications platform. Our ‘get it done’ culture allows everyone at Snowflake to have an equal opportunity to innovate on new ideas, create work with a lasting impact, and excel in a culture of collaboration. Snowflake partners, from System Integrators (SI), Cloud Service Providers (CSP) and Technology Partners (ISV) are an integral part of Snowflake business to help customers unlock Power of Snowflake AI Data Cloud. We are seeking a highly motivated and proactive individual to drive the technical growth in this Partner ecosystem. This role demands a technical expert capable of driving success by aligning with key programs and significantly enhancing partner knowledge of crucial product features. The candidate must effectively present to both technical and executive audiences, utilising methods from whiteboarding to presentations and demonstrations, to cultivating strong mind share among Snowflake Partn

sqlawsazure
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JOB ID: FEQ427R344 Location: London, United Kingdom Industry: Banking, Financial Services -Industry (UK&I Enterprise) Recruiter: Dina Hussain The Role As a Sr. Solutions Architect, you are an expert-level technical leader responsible for the organization's most complex customer engagements. You drive consumption strategy, own executive-level relationships, and serve as the definitive technical authority for your accounts. You have declared your archetype—a recognized technical specialization that makes you a force multiplier across your team and region. You operate at the intersection of deep technical expertise, strategic account planning, and executive influence. The Impact You Will Have Drive the technical and consumption strategy for the organization's most complex customer engagements, directly influencing platform adoption and revenue growth. Own senior-level technical relationships — serving as a trusted advisor on enterprise data and AI strategy Lead the most complex architecture engagements: multi-workload platforms, enterprise-wide migrations, real-time systems, and AI/ML at scale Operate as an Expert on the Databricks Platform with a declared archetype — actively mentoring others and driving horizontal impact across your team Develop and execute competitive strategies for your customers, positioning Databricks against incumbent and emerging platforms Orchestrate cross-functional teams (DSAs, SSAs, Partners, Product) to deliver enterprise-grade solutions Coach and develop junior SAs (L3–L5) on technical depth, customer engagement, and use case prioritization Contribute to Field Engineering thought leadership through customer-facing content, workshops, and community engagement What We Look For 8+ years in solutions architecture, principal engineering, technical pre-sales leadership, or a senior customer-facing technical role Expert-level coding proficiency — Python, SQL, and ideally Spark/PySp

pythonsqlaws
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Zynga
📍 Barcelona• Full-time
2mo ago

Level Up Your Career with Zynga! At Zynga, we bring people together through the power of play. As a global leader in interactive entertainment and a proud label of Take-Two Interactive, our games have been downloaded over 6 billion times—connecting players in 175+ countries through fun, strategy, and a little friendly competition. From thrilling casino spins to epic strategy battles, mind-bending puzzles, and social word challenges, our diverse game portfolio has something for everyone. Fan-favorites and latest hits include FarmVille™, Words With Friends™, Zynga Poker™, Game of Thrones Slots Casino™, Wizard of Oz Slots™, Hit it Rich! Slots™, Wonka Slots™, Top Eleven™, Toon Blast™, Empires & Puzzles™, Merge Dragons!™, CSR Racing™, Harry Potter: Puzzles & Spells™, Match Factory™, and Color Block Jam™—plus many more! Founded in 2007 and headquartered in California, our teams span North America, Europe, and Asia, working together to craft unforgettable gaming experiences. Whether you're spinning, strategizing, matching, or competing, Zynga is where fun meets innovation—and where you can take your career to the next level. Join us and be part of the play! Position Overview: Join our Central Analytics team to build high-quality data marts, tools, and AI-powered workflows that shape player experience and drive game growth. You'll work alongside talented and experienced Analytics Engineers, partnering closely with game and marketing analysts to deliver solutions that make a real difference, all using a modern, cutting-edge technical stack. To truly make an impact, you'll need to learn quickly, thrive in a fast-paced environment, and collaborate closely within the team and with the stakeholders. What You’ll Take On: Write and optimize complex SQL queries to support, experimentation, and model feature engineering across large-scale player datasets. Design, build, and maintain cross-game data marts, providing clean and transformed data ready for Analysts to use.

pythonsqldocker
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MongoDB
📍 France• Full-time
2mo ago

MongoDB Professional Services (PS) works with customers of all shapes and sizes, in all verticals, from tier-1 banks to small web startups, on a variety of exciting use cases. This role solves technically sophisticated problems, gains incredible cross-stack experience, works with top-notch people in the business, networks with industry leaders, and sees new places – all in a day’s work! MongoDB PS exists to support the development of our customers’ vision, accelerate customers’ time to value, and drive a multitude of customer adoption scenarios – from building new solutions to modernizing legacy applications or migrating to cloud. Our consulting solutions ensure that organizations get the best out of MongoDB. This role will be based remotely in Paris. We’re looking for someone with: 10+ years of software development/consulting/support experience, preferably in a number of distinct industries/verticals Competence in at least one of the following languages (in no particular order): Java, C#, Python, Node.js (JavaScript), Ruby, Go Experience with databases such as MongoDB, Oracle, MS SQL Server, PostgreSQL Familiarity with Linux diagnostics and tuning; Windows tuning knowledge is a plus Familiarity with enterprise-scale software architectures, application development methodologies, and software deployment and operations Excellent analytical, diagnostic skills, and problem-solving skills High motivation for a role that combines deep technical and customer-management dimensions Confidence speaking and presenting in a collaborative customer setting Should be capable and comfortable with frequent travel for short trips to customer sites during the working week (up to 15%) Fluency in both French and English languages What you will do in this role: Contribute to customer implementations at any or all phases of the application lifecycle: portfolio assessment, application planning and design, deployment architectures, development and build, integration and release config

javascriptpythonjava
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