Senior Software Engineer - Java (Domains)

Merge stands as a premier provider of intelligent tools and customer-facing integrations tailored for leading LLMs, Fortune 500 firms, and B2B SaaS enterprises. Our innovative platform encompasses two flagship products: Merge Unified, enabling organizations to seamlessly integrate hundreds of applications via a single API, and Merge Agent Handler, which grants AI agents secure access to a multitude of third-party tools. With an enterprise-grade platform, Merge adeptly manages the complete integration lifecycle—from authentication and security to monitoring and maintenance—empowering thousands of companies to enhance product development, streamline sales, minimize customer churn, and conserve engineering resources, thereby allowing them to concentrate on their core offerings. Who are we looking for?We are seeking experienced backend and full-stack engineers to join our senior-level Experience Engineering team. This dynamic group is dedicated to ensuring that Merge’s robust product is not only powerful but also seamless and intuitive for users. The team is responsible for all customer-facing interfaces, striving to provide a reliable, developer-friendly, and cohesive experience throughout. Positions are available from mid to staff levels, and candidates will be evaluated based on their relevant experience and interview performance. What you will do:Engage in roadmapping and architectural discussionsDevelop high-quality, production-ready, readable, and maintainable codeLead substantial projects from conception to deploymentProvide support and unblock your team, including engineers, designers, product managers, and business operatorsCollaborate with customers to resolve their challengesBuild a best-in-class developer experience...

About PineconePinecone is a pioneering vector database that empowers developers to create precise and high-performing AI applications at scale. Our mission is to enhance AI's knowledge capacity, enabling over 9,000 customers across diverse industries to launch AI solutions swiftly and confidently using our user-friendly technology. Headquartered in New York, we have successfully raised $138 million in funding from esteemed investors including Andreessen Horowitz, ICONIQ, Menlo Ventures, and Wing Venture Capital.About the Team and Role:Become a vital part of a dedicated team focused on designing and constructing resilient, real-time distributed systems for an innovative database. Our values center on performance, reliability, scalability, continuous learning, and fostering a fun working environment. Whether you are an experienced programmer or just starting your journey, your enthusiasm for technology and eagerness to learn will make you a great fit.Who We Are:We come together to collaborate and innovate technologies that make a meaningful impact, surrounded by individuals who truly care.We prioritize enhancements in areas like tail latencies, byte throughput, cache hit rates, and overall operational efficiency.We believe in continuous learning and that even the most intricate challenges can have straightforward solutions.What You’ll Do:Collaborate with team members to design and develop database features that drive AI applications.Learn how to optimize performance and ensure reliability within distributed systems (we'll provide guidance along the way).Assist in maintaining Pinecone's smooth operation on leading cloud platforms.Take charge of your projects and enhance your skills on a daily basis.Have fun while you work!Who You Are:5+ years of professional experience in programming languages such as Rust, Go, C++, or similar.You possess a genuine curiosity about distributed systems and are eager to tackle complex technical challenges.You approach problems with creativity and determination, comfortable in seeking feedback and asking insightful questions.You are enthusiastic about learning, value constructive criticism, and appreciate mentorship.Bonus Points:Hands-on experience with cloud providers such as AWS or GCP is a plus.

Role overview Smith Engineering is seeking a Director of Design Engineering to lead its design team in New York City. This leader will oversee the development of engineering solutions that meet client requirements and comply with industry standards. The role involves shaping project direction and supporting the growth of a skilled group of engineers. What you will do Guide and manage the design engineering team Drive the creation of efficient, high-quality engineering designs Ensure all work aligns with client needs and industry standards Mentor and develop engineering talent within the team Influence the direction of engineering projects at Smith Engineering

About the Role Smith Engineering is hiring a Director of Energy Engineering to guide the energy solutions team in New York City. This senior leader will shape project direction and help set the strategy for energy initiatives across our portfolio. What You Will Do Lead a team focused on delivering energy engineering projects Develop and implement strategies that strengthen our energy solutions Oversee project execution and ensure alignment with company goals What We’re Looking For Extensive experience in energy engineering Proven leadership and team management skills Ability to drive strategic initiatives in a technical environment This position is based in New York City.

Join a Trailblazer in Conversation IntelligenceAt Rilla, we are pioneering the future of conversation intelligence software tailored for offline commerce. Our innovative platform meticulously records, analyzes, and indexes conversations, delivering exceptional insights that empower critical physical businesses—the backbone of our economy.Our mission? To equip traditional industries with cutting-edge technologies that have propelled the most innovative companies of the 21st century. This vision has catapulted Rilla into one of the fastest-growing companies in history, achieving a remarkable growth trajectory from $0 to $40M in just 3.5 years, maintaining a 15% month-on-month growth rate, boasting a net revenue retention above 170%, an NPS that surpasses that of the iPhone, and achieving profitability.Your RoleAs a Senior Software Engineer at Rilla, you will be at the forefront of our engineering efforts, architecting and deploying features across the entire stack with unparalleled speed. Daily, you will develop end-to-end workflows, transition them into production, and tackle real-world challenges at a grand scale.In this pivotal role, you will set the standard for code quality and decision-making, fostering a world-class engineering culture as we scale. As Rilla expands tenfold, your responsibilities and influence will grow correspondingly, as you build the tools, frameworks, and platforms that empower both you and Rilla to thrive exponentially.Are you someone who thrives on obsession? Do you dream of becoming a founder or a leader, harnessing AI to revolutionize the physical world? We believe that Rilla is the ideal environment for you to learn and grow alongside the best peers in the industry.Technologies We LeverageA variety of languages and frameworks such as React, React Native, TypeScript, and Python.Open-source technologies including Node.js, PostgreSQL, Turborepo, Lodash, and Zod.Standard industry build tools like GitHub Actions, Terraform, and Spacelift.Our Core ValuesAn infinite learner who is perpetually curious.A customer-centric individual who prioritizes truly solving customer pain points over superficial metrics.A team player with a winning mindset, embracing accountability, collaborative learning, and constructive feedback.Deep empathy for our customers, recognizing that they operate in the real world and require understanding to devise effective solutions.Fearless in the face of failure, viewing risks as opportunities for growth and improvement.

Join our dynamic team at fabric83 as a Senior Software Engineer within our innovative Insurance Division. We are seeking a talented individual who is passionate about technology and dedicated to developing high-quality software solutions. In this role, you will work collaboratively with cross-functional teams to design, implement, and maintain software applications that enhance our insurance services. If you thrive in a fast-paced environment and are eager to contribute to transformative projects, we want to hear from you!

At fabric83, engineering is fundamentally intertwined with every product we create, from electronic signatures to underwriting. Our mission is to design software that embodies simplicity while maintaining essential complexity. Just like our software, we are continually evolving, and we believe that personal growth is a result of tackling challenging problems and learning from our experiences. The diversity of our team is a driving force behind the quality of our work. We are seeking a skilled Senior Software Engineer to become a vital member of our Exploration team. This team is dedicated to innovating products that empower parents to secure their children's financial futures, starting with investment accounts for minors (UGMA). Join us as we embark on a journey to transform a $650 billion industry and positively impact the lives of millions of families.

The Atlas Growth team is a dedicated group of cloud engineers committed to supporting our customers throughout their application development journey. We handle everything from cluster configuration and data modeling to load testing and managing production workloads at scale. Utilizing our proprietary experiments platform, we validate new features rapidly, ensuring that we only release enhancements that benefit our users. Our engineers collaborate in cross-functional squads consisting of product, design, analytics, and research teams, all focused on achieving specific performance metrics such as retention.Atlas Growth 2 is responsible for creating customer-facing features within the Atlas platform and works alongside other teams within the Growth engineering division. Recent initiatives have included developing an AI Chatbot for cluster creation, implementing a recommendation system for improved database performance, and designing a pricing page optimized for conversion rates.This role is based in our New York City office and supports both our Flexible and In-Office working models.

Reddit is a vibrant ecosystem of communities centered around shared interests, fostering authentic conversations that matter. With over 100,000 active communities and approximately 116 million daily unique visitors, Reddit stands as one of the premier platforms for information exchange on the internet. To learn more, please visit www.redditinc.com.The Quality Engineering (QE) team at Reddit is in search of a talented Senior Software Engineer to join our Android Test Engineering group. In this role, you will collaborate closely with cross-functional teams to design and develop innovative tools and comprehensive testing frameworks that uphold the highest quality standards. Our mission is to empower all engineering teams at Reddit by providing robust testing solutions that drive quality across the software development lifecycle.

At January, we are on a mission to revolutionize consumer finance by infusing humanity into the financial landscape. Our innovative, data-driven solutions empower financial institutions to enhance their collection processes, providing borrowers with clear, compassionate pathways to regain their financial footing. We are not merely increasing access to credit; we are restoring dignity and enabling millions to pursue financial independence.Role OverviewWe are seeking dynamic Senior Software Engineers to play a pivotal role in shaping the future of January’s technology platform. You will have the opportunity to apply to our organization as a whole, allowing us to match you with the team where your unique skills and interests will create the greatest impact.As a Senior Engineer at January, you will do more than just write code. You will take ownership of product outcomes, set the technical direction, and mentor fellow engineers while building systems that enhance the financial well-being of millions.Current teams looking for talent include:Borrower Acquisition: Scaling our communication platforms to ensure that the right borrowers receive the right message at the right time.Borrower Activation: Developing features in the Borrower Portal that assist individuals in resolving their accounts and achieving financial stability.Compliance and Money Operations: Ensuring our financial systems are accurate, scalable, and compliant while facilitating efficient money movement at scale.Your ResponsibilitiesDesign and implement highly scalable systems that serve millions of borrowers and financial partners.Contribute to architectural design and roadmap planning, shaping the direction of core projects.Lead by example through engineering excellence, advocating for best practices and maintaining high code quality.Mentor junior engineers to enhance the team's skills and capabilities.Collaborate across departments, working closely with Product, Design, and Operations to deliver impactful solutions.Propose and refine company-wide engineering processes in collaboration with other senior leaders.Qualifications5+ years of professional software development experience.Strong technical proficiency (experience in Python, React, Postgres, AWS is desirable; we welcome diverse backgrounds and are willing to teach these technologies).Exceptional problem-solving abilities and a passion for creating impactful solutions.Experience in designing and implementing scalable systems.Excellent communication skills with the ability to collaborate effectively across teams.

About FarsightFarsight is a pioneering AI platform tailored for the financial services sector, revolutionizing how investment banks and private equity firms automate intricate workflows. Currently, financial institutions spend around 80% of their time manually gathering information and drafting materials before refining their presentations, models, and pitches. Our solutions not only reclaim that valuable time but also enhance their outputs with insights that would be unattainable without our advanced financial AI technology.We process vast amounts of both public and private data, ensuring the delivery of precise and auditable materials in a complex landscape where traditional AI struggles. Regularly, our product produces results that exceed the capabilities of current employees, with clients expressing satisfaction such as:“I’m more than willing to let my analysts never use Powerpoint again.”“We pay consultants millions annually to guide our AI strategies. They have no idea what Farsight is capable of.”Our mission is to transform the operational landscape of financial services, effectively interweaving AI into the essential fabric of every corporation worldwide.TeamWe are an enthusiastic team committed to crafting technology that inspires. Each member contributes in various roles, including development, sales, infrastructure, design, product innovation, and AI research. We expect new hires to possess the experience or passion to take on diverse responsibilities.Our team boasts a rich background from top financial institutions such as Evercore, General Atlantic, and Menlo Ventures, combined with robust engineering and AI expertise from companies like Amazon, Hugging Face, and the MIT Media Lab. Having learned the intricacies of building successful startups as founders and founding engineers, we prioritize attracting the best talent to elevate our company further.Our operations are entirely based in Manhattan, New York City, with in-person attendance required four days a week (Fridays are remote).

Traba connects businesses with skilled industrial workers through technology designed to streamline labor management and improve supply chain efficiency. The company offers mobile apps for workers and businesses, along with web platforms for clients and internal teams. Backed by investors such as Founders Fund, Khosla Ventures, and General Catalyst, Traba is focused on building solutions that help organizations operate more effectively. Role overview The Senior Software Engineer joins Traba’s founding team in New York City. This position involves hands-on development for both mobile and web applications, supporting products used by workers, business clients, and internal teams. Working closely with the CTO, the engineer will help shape the technical architecture and influence the product roadmap, contributing to a scalable technology platform for the future. What you will do Develop and maintain mobile applications for workers and business users Build and enhance web platforms for business clients and internal operations Collaborate with the CTO on architectural decisions and long-term technical planning Help define and refine the product roadmap Contribute to building a technology platform that supports growth and scalability Location This position is based in New York City, NY.

At Squarespace, we are transforming the way individuals realize their visions online. Our Research and Development Engineering teams are central to this mission, crafting seamless and powerful experiences that our customers depend on daily. As a Senior Backend Engineer, you will join a collaborative and high-impact team dedicated to developing scalable and reliable systems behind some of the web's most intuitive tools. Whether you bring three years or two decades of experience, if you are driven by a passion for designing elegant solutions, we invite you to connect with us. This is a hybrid position, requiring three days per week in our NYC office, reporting directly to the Engineering Team Manager. We are actively hiring across multiple significant R&D teams. Based on your expertise and interests, you may have the opportunity to join one of the following: Identity and Access Management (IAM) - responsible for developing and maintaining the fundamental systems that ensure secure access across our platform for both customers and internal teams, focusing on core functionalities such as authentication, authorization, and session management. Communications Platform - provides tools and services that facilitate effortless communication between our product teams and customers at scale. Our goal is to create user-friendly and impactful platforms. This role is high-visibility and high-impact as our work is utilized by a majority of product teams. Your Responsibilities Include: Developing scalable backend services using Java and related technologies. Writing clean, efficient code that supports high-traffic, production-ready systems. Contributing to design decisions and taking part in architectural discussions. Collaborating with engineers, designers, and product managers. Creating features from initial concept through to implementation and launch.

Role overview MongoDB, Inc. is seeking a Senior Software Engineer based in Austin or New York City. This position involves designing and building software solutions within a collaborative engineering team. Senior Software Engineers at MongoDB play a key role in shaping system architecture and maintaining high standards for software quality and reliability. What you will do Design and develop software solutions for MongoDB products and services Collaborate with fellow engineers to address complex technical challenges Contribute to important system architecture decisions Apply coding best practices to create maintainable and scalable code Support the delivery of reliable, high-quality software releases Location Austin, TX New York City, NY

At Bubble, our mission is clear: we strive to empower everyone to create software. We believe that every idea deserves a chance to become a reality, which is why we are dedicated to making software creation accessible to all. Our innovative AI visual development platform allows anyone—whether a first-time entrepreneur or part of a large enterprise team—to transform an idea from concept to a fully functional, scalable application across web, iOS, and Android. And the best part? You can do it all without writing or managing a single line of code.As the only comprehensive full-stack, cross-device no-code platform in existence, Bubble serves over 5 million users in more than 100 countries, breaking the barriers to entrepreneurship and innovation worldwide.Our Achievements:Our product is not just functional; it’s thriving. Entire VC-backed companies have been successfully built using Bubble. After discovering product-market fit and eight years of bootstrapping, we secured a $100 million Series A investment and established ourselves as one of the fastest-growing companies in New York’s tech ecosystem.With Bubble, you can build virtually anything—and our community exemplifies this. Beyond merely launching products, users are transforming their visions into real businesses. For instance, Mailead turned a $10,000 investment in a Bubble product into a $2 million valuation, while Faceless.video achieved over $1 million in annual recurring revenue in under a year, among numerous other success stories.About Our Team:We are expanding our AI Engineering Team to pioneer next-generation AI-powered development workflows. Our objective is to facilitate AI-assisted full-stack development, empowering users to describe their applications in natural language while AI generates, modifies, and enhances their apps seamlessly. As a Senior AI Software Engineer, you will play a key role in shaping and developing the future of AI-powered development at Bubble. Your responsibilities will include working on LLM-driven product features, designing agentic workflows, and developing private models trained on proprietary Bubble datasets. Collaboration with product, infrastructure, and research teams will be essential as we push the boundaries of AI-driven development.

About the Role:Parker is dedicated to a bold mission: empowering individuals to achieve financial independence. We believe that by providing independent business owners with essential financial tools, we can help them scale their operations profitably.Our flagship product merges a virtual corporate card with financial software designed for profitability, enabling eCommerce merchants to accelerate growth while effectively managing their margins.To date, we have successfully raised over $180M from top-tier investors, including Valar Ventures, Y Combinator, SVB, and industry pioneers such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound).As a dynamic Series B fintech, we are rapidly expanding, boasting a robust product-market fit, a burgeoning customer base, and a team driven by technical excellence and impactful solutions.We are seeking a Senior Software Engineer – Backend to architect, develop, and scale the critical systems that underpin Parker’s financial platform. In this pivotal leadership role, you will influence backend architecture, data infrastructure, and engineering best practices during our growth phase.You will work collaboratively with Product, Infrastructure, and Data teams to deliver high-performance, reliable systems that handle billions in transactions and empower thousands of merchants. This high-impact position is ideal for engineers who thrive on ownership, relish the challenge of complex systems, and prioritize elegant, maintainable solutions.What You’ll Do:Design and scale backend services that drive Parker’s financial products and APIs.Lead architectural strategies to guarantee performance, reliability, and scalability across our systems.Develop and maintain services in a modern cloud-native environment (Node.js, PostgreSQL, Docker, Kubernetes, AWS).Collaborate with product and infrastructure teams to create secure, user-friendly APIs and data models.Promote engineering excellence through code reviews, mentorship, and architectural guidance.Identify performance issues and spearhead initiatives to enhance reliability, observability, and system design.Contribute to the advancement of Parker’s technical roadmap and long-term engineering vision.

Join posh as a Senior Software Engineer - Growth, where you will play a pivotal role in driving our growth initiatives. You will collaborate with cross-functional teams to develop innovative software solutions that enhance user experience and drive engagement. We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to contribute to our dynamic team.

About UsAt Metronome, we are redefining billing for modern software companies with our innovative usage-based billing platform. Our technology empowers businesses to launch products more swiftly, adopt flexible pricing models, and streamline financial workflows—all without the need for extensive coding.With the capability to generate millions of invoices each billing cycle, our platform is rapidly scaling to support new clients, saving them countless hours in development and manual invoicing. Our customers benefit from actionable insights derived from consumption data, enhancing their service delivery. We are privileged to partner with industry leaders like OpenAI, NVIDIA, Confluent, and Anthropic.You will be joining a talented team led by founders with successful track records in building and selling startups. Our team members have firsthand experience in scaling operations in high-growth environments at renowned companies such as Dropbox, Clever, and New Relic. With over $128M raised from top investors including NEA, Andreessen Horowitz, General Catalyst, Elad Gil, and Workday Ventures, we are poised for significant growth with a network of experienced backers from companies like Segment, Plaid, Looker, Gitlab, Confluent, HashiCorp, and Snowflake.About the RoleJoin us at Metronome as we scale our next-generation billing platform. You will have the chance to delve into innovative billing strategies, glean insights from usage data, and create exceptional user experiences through our APIs and user interface.Your role will encompass both platform development and customer-facing features, all set in a fast-paced, high-growth atmosphere.If you are driven by ownership, possess a curious mindset, and value humility, you will thrive in this environment.What You’ll DoBuild for the future: Design, develop, and enhance high-performance systems that are scalable, resilient, and dependable, ensuring Metronome grows with minimal maintenance and maximum customer trust.Deliver transformative features: Work across the entire technology stack to craft engaging experiences for customers, from robust APIs to user-friendly interfaces.Elevate team performance: Collaborate with cross-functional teams, mentor colleagues, and foster a culture where intelligent, humble teammates inspire growth—similar to a world-class orchestra.Own your impact: Take responsibility from design to delivery, contribute wherever necessary, and help Metronome rise to the occasion as we scale.Your ImpactBuild a robust foundation: Develop scalable infrastructure that supports our growing customer base and enhances the overall billing experience.

Join Our Innovative TeamAt OpenAI, we are on a mission to ensure that Artificial General Intelligence (AGI) brings real benefits to humanity across all sectors. Our focus on B2B applications empowers businesses, governments, and enterprises to redefine their operations, facilitate economic growth, and enhance productivity.We are at the forefront of technology, creating and managing products that translate our pioneering research into practical applications for millions of developers and companies globally. Our OpenAI API and Enterprise products enhance the capabilities of individuals and organizations, allowing them to work smarter and more efficiently. Our multidisciplinary teams, which encompass product engineering, backend infrastructure, and safety, collaborate to deliver OpenAI’s technology with a commitment to reliability, security, and an unparalleled user experience.Your Role as Engineering ManagerWe are seeking a dynamic Engineering Manager to lead our API Experience team. This role involves creating an outstanding development experience for our API users, from independent developers to Fortune 500 enterprises. You will oversee API documentation, software development kits (SDKs), account management, and the overall developer experience that millions rely on to integrate OpenAI models into their applications. Collaborating closely with research teams, you will ensure our latest innovations are seamlessly integrated into our API offerings.Key Responsibilities:Lead and expand a diverse team of high-performing full-stack engineers.Develop an API product that is highly praised by developers worldwide.Establish the technical roadmap for building robust and scalable API products tailored for developers.Work in partnership with various stakeholders, including product management, design, sales, and other engineering teams.Mentor and support engineers to foster their professional growth and skill development.Ideal Candidate Profile:8+ years in software engineering, with at least 5 years in engineering management.Proven experience in developing external-facing API products at a consumer internet scale.A passion for creating and managing scalable, reliable systems and products.A strong advocate for diversity, equity, and inclusion with experience in building inclusive teams.A proactive problem-solver who takes ownership of challenges and drives them to resolution.