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US

  • Help develop and maintain our client-facing REST API.
  • Help build the under-the-hood backend logic and integrations with other distributed services to abstract away our internal complexities.
  • Ensure proper security and data protection policies, procedures, and monitoring are in place.

Java Spring RESTful PostgreSQL AWS

20 jobs similar to Senior Software Engineer I, Client Connections

Jobs ranked by similarity.

$100,000–$135,000/yr
US

  • Design and develop scalable backend services using Java and modern frameworks within a cloud-based environment.
  • Build and maintain APIs and microservices supporting enterprise notification and communication workflows.
  • Collaborate with frontend engineers, designers, and product teams to deliver accessible, user-focused solutions.

Oddball believes the best products are built when companies understand and value their work. The company values learning, growth, and making a big impact, aiming to improve lives by delivering quality software to the federal space.

$125,600–$157,000/yr
US

  • Work closely with the architecture team and drive the complex system design.
  • Perform code reviews and mentor the development team with best practices.
  • Design, build and maintain highly sustainable systems to support our business applications.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women’s health, and organ health. The Natera team consists of highly dedicated statisticians, geneticists, doctors, laboratory scientists, business professionals, software engineers and many other professionals from world-class institutions, who care deeply for our work and each other.

$146,200–$215,000/yr
US Unlimited PTO

  • Implementing backend systems that support all business features.
  • Designing, developing, testing, and scaling systems for great user and partner experiences.
  • Working with product, design and engineering peers to solve user problems around rent payment.

Flex is a FinTech company creating the best rent payment experience, enabling users to pay rent throughout the month on a schedule that fits their finances. They aim to empower renters with flexibility over their most significant recurring expense and are backed by unprecedented investor support and an enthusiastic user base.

$130,000–$170,000/yr
US

  • Develop and maintain backend services of our EV platform, ensuring seamless component integration.
  • Integrate with third-party APIs to implement external services, enhancing OEM partners and other external solutions.
  • Develop services to interact with connected vehicles at scale and maintain front end web apps for UIs.

EnergyHub empowers utilities and their customers to create a clean, distributed energy future. Their platform helps consumers turn smart thermostats, EVs, and other products into virtual power plants, partnering with leading IoT companies to provide energy and cost savings.

Europe

  • Design, develop, and optimize scalable shared backend services using Java and serverless technologies (AWS Lambda)
  • Design / implement RESTful APIs and event-driven systems
  • Contribute to the development of user-facing frontend components as needed. Optimize existing services for improved performance and cost-efficiency

Turnitin partners with educational institutions to promote honesty, consistency, and fairness across all subject areas. They have over 16,000 academic institutions, publishers, and corporations using their services and offices in multiple countries.

$95,000–$105,000/yr
US

  • Design, develop, and enhance Java-based applications and APIs.
  • Integrate VR&E systems with enterprise VA services.
  • Develop and deploy applications within AWS using EC2, RDS, and related services.

GovCIO modernizes government IT to improve outcomes for Veterans and those who serve them. They embrace inclusivity, continuous learning, and a collaborative culture that empowers their teams to deliver meaningful transformation.

$120,000–$150,000/yr
US 4w PTO

  • Design, build, and maintain high-quality, scalable Java-based services and components.
  • Contribute across the full product lifecycle: architecture, implementation, deployment, monitoring, and iteration.
  • Collaborate with product, design, and cross-functional engineering teams to translate requirements into reliable, patient-facing software.

DrFirst empowers providers and patients to achieve better health through intelligent medication management. We improve healthcare workflows and help patients start and stay on therapy with end-to-end solutions. They have over 420,000 prescribers, 71,000 pharmacies, 270 EHRs and health information systems, and over 2,000 hospitals in the U.S.

$140,000–$150,000/yr
US

  • Builds and codes applications and/or modules using languages.
  • Maintains and modifies existing software applications.
  • Analyzes detailed systems factors and alternative methods of problem resolution.

GovCIO transforms government IT by delivering innovative IT services and solutions. We are building a workforce that fuels this mission and we invest in our people and prioritize continuous enhancement of the employee experience.

Europe

  • Ship code that powers thousands of drivers every single day across multiple countries
  • Build lightning-fast, serverless architectures on AWS that scale effortlessly
  • Own the entire backend infrastructure – this isn't just writing code, it's shaping the foundation of our platform

Everfield acquires and develops European vertical market and specialist software companies, empowering them for growth. They operate on a decentralized model, allowing companies to maintain their identity while providing support in talent acquisition and operational expertise, with presence in 9 countries.

$153,000–$163,000/yr
US

  • You will primarily design and build backend services while possessing the adaptability to support frontend development when necessary.
  • You will evolve the core API layer and downstream services, delivering secure, performant REST APIs.
  • You will lead technical design reviews, improve service reliability, and collaborate across the stack to ship features end-to-end.

Tebra unites Kareo and PatientPop to form a digital backbone for practice well-being, aiming to modernize care for independent practices. Over 100,000 providers trust Tebra to enhance patient experience and grow their practice, building the future of well-being together with compassion and humanity.

$160,000–$195,000/yr
US

  • Build, manage, and mentor a team of engineers working on shared platform capabilities.
  • Partner with cross-functional teams, including Engineering and Product, to define the team’s mission, vision, and roadmap
  • Provide strategic oversight, architectural direction and execution for new team initiatives, such as building new UI workflows, code refactoring and transition to micro-services environment

EnergyHub empowers utilities and their customers to create a clean, distributed energy future. We help consumers turn their smart thermostats, EVs, batteries, and other products into virtual power plants. We are looking for employees who work hard, do great work, and enjoy collaborating and learning from each other.

$69,622–$106,338/yr
Canada

  • Design, build, and maintain Java-based backend services.
  • Modernize legacy Java applications and refactor outdated patterns.
  • Implement and operate high-volume event- and batch-driven processing pipelines.

Applied Systems transforms the insurance industry with innovative software and services. They have 40+ years of experience and a culture built on values.

US

  • Lead development of robust Java architectures, ensuring high performance and security.
  • Design and evolve seamless RESTful integrations to automate enterprise workflows.
  • Manage SQL environments, focusing on schema design and performance tuning.

CodeRoad offers software development services, assisting businesses in scaling with infrastructure solutions. They provide staff augmentation, IT teams, and general software engineering to empower businesses in the digital landscape.

$100,000–$150,000/yr
US Unlimited PTO

  • Prototype and build online game features and concepts in the backend for a live-service game.
  • Develop new services and author software design documents.
  • Contribute to a healthy technical culture that encourages engineers to learn and grow.

Rushdown was created by games industry veterans. As a co-dev game studio, they focus on solving some of the most difficult problems that face multiplayer games.

$125,000–$156,300/yr
US

  • Lead design and technical implementation decisions, guiding stakeholders to ensure high standards and robust order processing capabilities.
  • Mentor engineers, perform code reviews, and drive adoption of engineering best practices including AI tooling.
  • Collaborate with Product Managers to gather requirements, walk through the design, and support software from ideation to release and maintenance.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women’s health, and organ health. Their aim is to make personalized genetic testing and diagnostics part of the standard of care. The Natera team consists of statisticians, geneticists, doctors, laboratory scientists, business professionals, software engineers from world-class institutions, who care deeply for their work and each other.

Global

  • Build and maintain plugins that connect our platform with external systems, APIs, and databases.
  • Develop and implement custom plugins for our customers to integrate their systems with Kestra.
  • Perform thorough testing of integration solutions to identify and resolve issues promptly.

Kestra's mission is to make orchestration and automation simpler. They are an open-source platform that helps teams manage complex workflows, and are looking for engineers to help them take things to the next level.

Europe

  • Design, develop, test and deploy features.
  • Participate in code reviews.
  • Troubleshoot/determine resolution for issues.

Twilio is shaping the future of communications. They deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide. They have a strong culture of connection and global inclusion and value diverse experiences.

$145,000–$190,000/yr
North America Unlimited PTO

  • Design and build backend services supporting financial workflows and transaction processing.
  • Collaborate with product and engineering teams to design scalable system solutions.
  • Write maintainable and well-tested code using Java and modern JVM frameworks.

LeafLink is the largest unified B2B cannabis platform, providing licensed cannabis businesses a suite of tools to manage their business more effectively, sell or order from their favorite brands and accelerate growth. Our team is backed by funding from leading VC's, including Founders Fund, Thrive Capital, Nosara Capital, and Lerer Hippeau and is poised to define the cannabis supply chain through technology.

$40,000–$45,000/yr
India

  • Participate in all phases of software development.
  • Design and develop reliable and scalable distributed systems.
  • Ensure system reliability, optimized performance, and compliance with security policies.

SupplyHouse.com is an industry-leading e-commerce company specializing in HVAC, plumbing, heating, and electrical supplies since 2004. They value every individual team member and cultivate a community where people come first, maintaining a supportive work environment that celebrates diversity and empowers everyone to reach their full potential.

  • Designing, developing, and maintaining Java applications.
  • Collaborating within an agile team.
  • Troubleshooting and resolving issues in existing applications.

Tieto Tech Consulting provides innovative solutions for their customers. They foster experimentation and growth, and they value your unique ideas and background.