Software Engineer Application Platform Jobs

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented Software Engineer to join our X Money team, focused on building a revolutionary global payment network that will serve over 600 million users and rival the world’s largest financial institutions. In this role, you will specialize in backend development, designing and optimizing robust microservices to ensure scalability, security, and reliability. You will support full-stack efforts, collaborate with cross-functional teams on payments, fraud detection, and compliance initiatives, and contribute to the creation of a high-scale financial products platform. This is an opportunity to work on greenfield projects in a fast-paced, startup-like environment, driving innovation at the intersection of AI and finance. RESPONSIBILITIES: Develop backend services, APIs, and data models to support high-volume, multi-user environments. Work with iOS, Android & Web client engineers to ship products. Design robust infrastructure and microservices for payments, transactions, growth, monetization, and engagement across platforms. Build and maintain fullstack features, including user dashboards, personalized experiences, content delivery, interactive tools, assessments, and real-time analytics. Le

Do work that matters. At AlertMedia , we help organizations protect their people, operations, and brand. Our modern Risk Intelligence and Response platform empowers teams to detect emerging threats, assess impact, and respond with confidence. We believe building resilience should be simpler—and it starts with bringing critical information and workflows together in one unified platform. Our core values drive us in our important mission of keeping people safe & informed: We’re humans not robots Customers always come first We work better together Simplicity is our strength Our reputation is priceless Hard work pays off As one of the fastest-growing software companies in the country, AlertMedia is looking for a Software Engineer II with full-stack experience. This role is on our Incident Response team. Customers use Incident Response during an active emergency — to declare an incident, assess who and what is affected, assign tasks, and coordinate the response across the organization. As an AI-forward company, we actively use modern AI tools such as Claude, Codex, and other emerging technologies to help our engineers work smarter, move faster, and build better products. Who you are: You thrive in a collaborative engineering environment that plays to everyone's strengths with a willingness to work across the entire stack. You design for people operating under pressure, and you think as carefully about the failure paths as the happy path. Ideally, you have JavaScript and Python experience (similar languages are great, as long as, you're willing to learn) but more importantly, you care about the quality of your work, the impactful product you help build, and the team you help build it with. You have AWS experience and are willing to learn from people with both more and less experience than you. What you will do: Design and d

Who We Are HP IQ is HP’s new AI innovation lab. Combining startup agility with HP’s global scale, we’re building intelligent technologies that redefine how the world works, creates, and collaborates. We’re assembling a diverse, world-class team—engineers, designers, researchers, and product minds—focused on creating an intelligent ecosystem across HP’s portfolio. Together, we’re developing intuitive, adaptive solutions that spark creativity, boost productivity, and make collaboration seamless. We create breakthrough solutions that make complex tasks feel effortless, teamwork more natural, and ideas more impactful—always with a human-centric mindset. By embedding AI advancements into every HP product and service, we’re expanding what’s possible for individuals, organisations, and the future of work. Join us as we reinvent work, so people everywhere can do their best work. About The Role At HP IQ, our Cloud Services team builds the cloud foundation that supports and extends our innovative hardware products. We develop integrated cloud-based solutions that enhance functionality, improve performance, and deliver seamless user experiences across devices. By working closely with our engineering, machine learning, and infrastructure teams, we ensure every component operates together as a cohesive system. Through this collaboration, we power next-generation AI-driven devices—creating smarter, more connected, and highly reliable products for our users. What You Might Do Collaborate with cross-functional teams including hardware, AI, and platform engineering to develop, test, and operate integrated cloud services. Contribute to projects involving AI assistants, conference room devices, and more. Work independently and collaboratively to solve complex problems and deliver high-quality software. Communicate effectively across teams to ensure alignment and successful project delivery. Essential Qualifications: Currently pursuing a Master's or PhD degree in Computer Science or re

About the job We are looking for a Software Engineer to join the Kapacity.io team at EnergyHub! Our team, made up of YC alumni (S21) and elite product and software talent, builds some of the most advanced flexibility solutions in the market. Kapacity.io , previously backed by Y Combinator and acquired by EnergyHub in 2024, focuses on the European energy market, offering an energy management platform to energy companies, allowing them to connect residential heat pumps, EVs and batteries to a Virtual Power Plant. EnergyHub is the leading residential Virtual Power Plant provider in North America, with over 2.5 million connected residential devices. Virtual Power Plants (VPP) allow energy companies to adjust their customers’ power consumption to reduce grid congestion and benefit from price volatility. VPPs reduce the need for peak power generation, reducing investment needs and carbon emissions of the grid. Residential users are compensated for participation with reduced energy costs and/or direct compensation. Join us in building high impact solutions for energy grid flexibility. If you’re a growth minded individual who has a passion for tech and energy, this team is for you! Here's what you'll do... Design, build, and maintain the software that sits at the core of Kapacity.io’s optimization products. Become a core contributor to our codebase, actively participating in work planning, retrospectives, and overall team improvement. Work directly with sales, translating business needs into viable technical solutions. We use Go, React, Typescript, Python, Django, PostgreSQL and Docker. We’re on AWS and communicate on Slack. Here's what we're looking for... We’re seeking a Software Engineer with 2+ years of experience developing and deploying production-quality software with experience in UI / UX development. Experience with UI / UX Typescript, Javascript Go(lang), python, docker, AWS Relational Databases (Postgresql) Adaptability and resilience when facing new, difficult a

Join Truecaller – The place where innovation meets impact! Truecaller's mission is to build trust in communication by making it safer, smarter, and more efficient. Born in Sweden, trusted by the world, and here’s why we stand out: We are trusted by over 500 million active users every month across 190+ countries We identify over 15 billion calls daily, helping users avoid spam and scams We are powered by a team of 400+ employees from 45+ nationalities We always look for people who take initiative, own their work, and keep raising the bar. An entrepreneurial mindset matters here, especially when it turns bold ideas into real actions. We stay collaborative and focused, always searching for smarter paths forward. If you want to make an impact and grow with a team that inspires millions, you’ll fit right in. The role: As a Software Engineer, Backend, you will drive the health of the platform by developing the core, high-traffic backend services that shape feature delivery and strengthen the user experience. You will play a key role throughout the mobile ecosystem, from early discovery and technical planning through to release and continuous improvement. You will collaborate with a cross-functional group to ensure dependable delivery, smoother interactions, and stable performance at scale. What you’ll do: Develop, test, and deploy features for core, high-traffic backend services aligned to business expectations and company standards. Take ownership of assigned projects and engineering tasks, ensuring their timely implementation. Keep stakeholders informed about current progress, potential blockers, and delays that might affect delivery. Take responsibility for the deliverable's quality from both functional and non-functional perspectives. Actively contribute to the stability and maintainability of the production environment. Collaborate to continuously improve team processes and system performance, learning and following best practices along the way. What you

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE As a Software Engineer on the DX Security Components team , you will architect the backend services that safeguard Pure’s core authentication and remote access infrastructure. You’ll act as a security-minded engineer within a high-impact platform team, ensuring our cloud offerings and customer appliances remain auditable and resilient. Collaborating across the DX organization, you will bridge the gap between robust security protocols and seamless developer integration to protect our global customer base. WHAT YOU’LL DO Engineer Security Infrastructure: Design and operate high-availability backend services that manage authentication, authorization, and certificate lifecycles to ensure secure access across all Pure1 cloud and appliance environments. Drive End-to-End Ownership: Lead the full service lifecycle—from initial architectural design and threat modeling (STRIDE) to deployment, observability, and long-term cost efficiency. Champion Secure Integration: Partner with Security Governance and product teams to streamline remote-access flows, translating complex security requirements into pragmatic, automated workflows for other engineering squads. Ensure System Resilience: Maintain the integrity of security-sensitive systems by participating in a global follow-the-sun on-call rotation, performing root-cause analysis, and hardening infrastructure against emerging threats. Automate Trust: Evolve Infrastructure as Cod

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. We’re in an unbelievably exciting area of tech and are fundamentally reshaping the data storage industry. Here, you lead with innovative thinking, grow along with us, and join the smartest team in the industry. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE Everpure is building a unified, AI-first platform that turns a fleet of storage systems into something that manages itself - giving customers one place to see their whole estate, understand issues before they have an impact, and let the system fix them. Our team in Prague owns core backend services for that platform. The centerpiece of the architecture is the policy engine - the declarative, intent-based component that holds the desired state of a customer's environment, evaluates live telemetry against it, and produces the violations that everything downstream acts on. As a Senior Software Engineer, you will help define and build the core backend services behind this platform, including the declarative, intent-based policy engine at the center of the architecture. You will work closely with engineers in Prague and the US, product management, and architects to shape foundational capabilities and technical direction for a platform that will evolve over the next decade. WHAT YOU'LL DO Design and build the declarative, intent-based pol

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE As a Software Engineer on our team, you will drive core middleware innovation that unifies and scales Everpure’s™ industry-leading FlashArray and FlashBlade storage platforms. Acting as a key technical anchor, you will own critical backend infrastructure end-to-end while collaborating with cross-functional global engineering teams to deliver high-performance, six 9s reliable systems. You will modernize system architectures, build unified management layers, and extend core capabilities into public cloud environments without impacting customer uptime. If you thrive on individual code ownership, value deep craftsmanship, and want to directly shape enterprise-grade data infrastructure, this role offers an exceptional platform for your impact. WHAT YOU’LL DO Build Unified Middleware Services: Develop high-throughput, multi-threaded Java and Spring-based middleware components that bridge FlashArray and FlashBlade platforms into a seamless enterprise management layer. Maintain REST API Infrastructure: Implement and refine multi-versioned REST API specifications, developer workflows, and SDKs to support reliable data delivery across CLI, GUI, and cloud interfaces. Deliver Resilient System Features: Write and test fault-tolerant backend software and algorithms end-to-end to maintain six 9s reliability standards across mission-critical systems and public cloud integrations like AWS Cloud Block Store. Refactor &a

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. The Chief Technology Office leads Appian’s technology strategy, partnerships, and acquisitions. We often work interdepartmentally, partnering with Product Management, Sales, Marketing, and Engineering to influence the product roadmap, prototype new technologies, and develop technology partnerships. This role is aimed at a Graduate with 1 or 2 years total experience. As a Software Engineer working within the CTO team, you will work across the global Product and Engineering teams to design, build, and test features that expand the scale and scope of the Appian platform. You will jump between Appian low-code, plug-ins, and the internal codebase, prototyping innovative features that ultimately impact Appian’s product vision. This is a fast-paced role that blends traditional software engineering excellence with the opportunity to work directly with new and emerging technologies. This role is based at our Chennai Office in Brigade World Trade Centre. Appian was built on a culture of in-person collaboration, which we believe is a key driver of our mission to be the best. Employees hired for this position are expected to be in the office 5 days a week to foster that culture and ensure we continue to thrive through shared ideas and teamwork. To Be Successful In This Role, You Will Need: Previous industry software development experience and/or internships. Practiced knowledge of programming concepts and best practices, and the ability to leverage these to write software in a full-stack web and mobile environment. The ability and desire to design features of increas

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. Software Engineer II, Growth at Amplitude (View all jobs) San Francisco Bay Area About The Role & Team The Growth organization is focused on helping users realize long-term value from Amplitude. The team plays a critical role in that journey by driving expansion within existing accounts. Many of our customers start with just a few users — often in product or data teams. Our job is to unlock value for everyone else. We build features that help new users set up, get activated, leverage AI for frictionless insights, highlight relevant parts of the product they might otherwise miss, and expand usage across teams and departments. This is especially impactful in large, complex organizations, where getting from the first few users to broad adoption is a multiplier for retention and revenue. We work across Amplitude’s core product suite and integrations,

Healthcare is complex. We’re here to change that. RVO Health is a health technology company on a mission to make health easier to navigate, more accessible, and more affordable for everyone. Here, you'll help over 40 million people every month, with a team that genuinely cares about the work and each other. AT A GLANCE The Software Engineer is an individual contributor role on one of our Healthgrades development teams, helping build and modernize the platforms behind Healthgrades' provider search and content experiences. You'll write code, ship features, and help move our widget platform forward, all while working closely with a collaborative, cross-functional squad. Where You'll Be Location: Denver, CO | Hybrid We believe great collaboration happens when we're together, solving problems, learning from each other, and connecting as a team. That's why we’re in our offices Tuesday through Thursday each week. You are welcome to work remotely Mondays and Fridays if you wish. Office address: 1801 California St. Denver, CO 80202 What You’ll Do Design, build, and ship features across our widget platform and content systems, working from requirements through to production. Partner with your Product Manager, Technical Project Manager, and fellow engineers to scope work, estimate effort, and plan sprints. Write clean, well-tested code and participate actively in code review, both giving and receiving feedback. Help modernize legacy code as the team migrates toward a current React/TypeScript stack. Debug and resolve issues across the stack, supporting production systems as part of the team's on-call rotation. Collaborate with QA engineers on testing strategy and help build toward stronger automated test coverage. Use AI tools to speed up your day-to-day development work. Contribute to a healthy team culture: clear communication, constructive code review, and shared ownership of quality. What We’re Looking For Required: Bachelor's degree in computer science, software engi

Lithic is the modern card issuing and processing platform empowering ambitious financial companies to build the future of payments. Our infrastructure powers card programs for 100+ innovative clients, from fintechs reimagining credit and digital banking to platforms transforming disbursements and spend management. Companies like Mercury, Flex, and Novo rely on Lithic's developer-friendly APIs, direct network connections, and flawless reconciliation to launch and scale card programs in weeks, not years. We're building a future where access to better financial products materially improves people's lives, free from the constraints of 30-year-old mainframes and legacy processors. We're proud to be backed by world-class investors who share that vision, including Bessemer Venture Partners, Index Ventures, Spark Capital, Stripes, and Mastercard, along with many others. We're a team of 170+ across 26 states and 7 countries, headquartered in New York City. We are hiring for our Treasury team Software Engineers at various levels (II and Senior) who are curious and willing to dive deep and understand our technology and domain in order to solve interesting and hard problems.The Treasury team maintains and builds the backend services that manage the flow of funds between Lithic and third parties. This includes our ledger, ACH and wire infrastructure, and associated reconciliation. The systems we maintain have high standards of reliability and correctness. You will become an expert in the card payments space. The Treasury team primarily uses Python for their tech stack. What You'll Do: Ensure high reliability and correctness for Lithic’s ledger and orchestrated funds flows Develop new features to better serve Lithic customers Ensure that the team is delivering reliable, secure, and scalable code with minimal tech debt Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way Lead efforts to improve systems and processes wit

Required Skills: Core Java: Strong understanding of Java SE, including OOP concepts, data structures, and algorithms. Frameworks: Experience with popular Java frameworks such as Spring and Hibernate. Web Technologies: Knowledge of web technologies including JSP, Servlets, HTML, CSS, and JavaScript. Database Management: Proficiency in working with relational databases like MySQL, PostgreSQL, or Oracle, including SQL queries and optimization. Version Control: Experience with version control systems like Git, including branching, merging, and pull requests. Build Tools: Familiarity with build tools like Maven or Gradle. RESTful Services: Ability to design and consume RESTful web services and APIs. Testing: Experience with unit testing frameworks like JUnit or TestNG. Problem-Solving: Strong analytical and problem-solving skills with the ability to troubleshoot and resolve complex issues. Preferred Skills: Spring Boot: Experience with Spring Boot for creating microservices. ORM: Proficiency with Object-Relational Mapping (ORM) tools like Hibernate or JPA. Frontend Technologies: Basic knowledge of frontend frameworks like Angular, React, or Vue.js. Cloud Platforms: Experience with cloud platforms such as AWS, Azure, or Google Cloud. Continuous Integration/Deployment (CI/CD): Familiarity with CI/CD tools such as Jenkins or GitLab CI. Microservices Architecture: Understanding of microservices architecture and containerization with Docker. Qualifications: Education: Bachelor’s degree in Computer Science, Information Technology, or a related field. Experience: 2-4 years of professional experience in Java development. Personal Attributes: Team Player: Ability to work collaboratively in a team environment. Communication: Strong verbal and written communication skills. Attention to Detail: High attention to detail and a commitment to delivering high-quality software. Adaptability: Ability to adapt to new technologies and changing requirements.

Technical Skills: Java Programming: Solid understanding of core Java concepts such as OOP (Object-Oriented Programming), data structures, exception handling, multithreading, and collections. Java Frameworks: Basic experience with popular Java frameworks like Spring and Hibernate. Familiarity with Spring Boot for developing microservices is a plus. Web Technologies: Basic knowledge of web development technologies including HTML, CSS, and JavaScript. Exposure to frontend frameworks like Angular or React is advantageous. Databases: Understanding of relational database concepts and basic SQL. Experience with databases such as MySQL or PostgreSQL. Version Control: Familiarity with Git and basic version control concepts, such as branching and merging. Build Tools: Experience with build tools like Maven or Gradle for project management and dependencies. Integrated Development Environment (IDE): Proficiency in using IDEs like IntelliJ IDEA, Eclipse, or NetBeans for Java development. RESTful Web Services: Basic understanding of RESTful services and APIs. Experience in creating simple RESTful APIs is beneficial. Testing: Exposure to unit testing frameworks like JUnit or TestNG. Understanding of basic test-driven development (TDD) practices. Agile Methodology: Basic understanding of Agile software development practices, including working within a team using Scrum or Kanban. Soft Skills: Problem-Solving: Ability to analyze problems and develop logical solutions, with a willingness to learn and adapt to new challenges. Communication: Good verbal and written communication skills, with the ability to articulate technical concepts to both technical and non-technical audiences. Team Collaboration: Experience working in a team environment, contributing to collaborative projects, and participating in code reviews. Time Management: Ability to manage time effectively, prioritize tasks, and meet deadlines. Attention to Detail: Strong attention to detail, ensuring code quality and

Technical Skills: Java Programming: Solid understanding of core Java concepts such as OOP (Object-Oriented Programming), data structures, exception handling, multithreading, and collections. Java Frameworks: Basic experience with popular Java frameworks like Spring and Hibernate. Familiarity with Spring Boot for developing microservices is a plus. Web Technologies: Basic knowledge of web development technologies including HTML, CSS, and JavaScript. Exposure to frontend frameworks like Angular or React is advantageous. Databases: Understanding of relational database concepts and basic SQL. Experience with databases such as MySQL or PostgreSQL. Version Control: Familiarity with Git and basic version control concepts, such as branching and merging. Build Tools: Experience with build tools like Maven or Gradle for project management and dependencies. Integrated Development Environment (IDE): Proficiency in using IDEs like IntelliJ IDEA, Eclipse, or NetBeans for Java development. RESTful Web Services: Basic understanding of RESTful services and APIs. Experience in creating simple RESTful APIs is beneficial. Testing: Exposure to unit testing frameworks like JUnit or TestNG. Understanding of basic test-driven development (TDD) practices. Agile Methodology: Basic understanding of Agile software development practices, including working within a team using Scrum or Kanban. Soft Skills: Problem-Solving: Ability to analyze problems and develop logical solutions, with a willingness to learn and adapt to new challenges. Communication: Good verbal and written communication skills, with the ability to articulate technical concepts to both technical and non-technical audiences. Team Collaboration: Experience working in a team environment, contributing to collaborative projects, and participating in code reviews. Time Management: Ability to manage time effectively, prioritize tasks, and meet deadlines. Attention to Detail: Strong attention to detail, ensuring code quality and