Senior Java Developer Full Time Jobs in Washington, DC

Accellor is an AI-native services firm purpose-built for the post-ChatGPT era. Free from legacy constraints, we focus on delivering measurable business outcomes through advanced AI, data, and engineering capabilities. Our mission is to operationalize AI at scale and unlock sustained enterprise value.

Our offerings span AI solutions, data services, enterprise applications, and product engineering, tailored to industry-specific needs across healthcare, life sciences, telecom, retail, financial services, and technology. By leveraging design thinking and technology-agnostic architectures, we ensure faster time-to-value and seamless interoperability.

With a proven track record of enabling Fortune 100 enterprises and global innovators, Accellor stands as a trusted partner for organizations seeking to harness the full potential of AI. Our vision is clear: to build intelligent, connected ecosystems that deliver measurable outcomes and redefine the future of enterprise transformation.

We are seeking a highly skilled Senior Java Developers. You will work with our Staff and Sr. Engineers to innovate and build new systems, improve and enhance existing systems and identify new opportunities to apply your knowledge to solve critical problems. You will lead the strategy and execution of a technical roadmap that will increase the velocity of delivering products and unlock new engineering capabilities. The ideal candidate has deep technical expertise in their domain.

Key Responsibilities

• Design, develop, and maintain high-performance, modular, and scalable Java applications using Spring Boot 3.4.x.
• Architect and implement cloud-native solutions, ensuring best practices for distributed systems, reliability, maintainability, and observability.
• Integrate observability into applications, including metrics collection, distributed tracing, structured logging, and proactive monitoring.
• Collaborate with cross-functional teams to deliver robust RESTful APIs and microservices.
• Optimize application performance, memory usage, and reliability.
• Lead and mentor junior engineers, performing code reviews and setting engineering best practices.
• Integrate and utilize AI coding assistants (such as GitHub Copilot or similar tools) to accelerate development and improve code quality.
• Contribute to the evolution of our architecture and technology stack with a focus on modern Java, modularization, cloud technologies, and observability.
• Ensure security, compliance, and observability of all deployed services.
• Participate in Agile development processes, including planning, estimation, and retrospectives.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
• 5+ years of hands-on experience in Java development (Java 11+ required, Java 21 preferred).
• Expert knowledge of Spring Boot (3.x preferred), Spring Cloud, and related frameworks.
• Proven experience designing and building cloud-native applications (AWS, Azure, GCP, or similar).
• Strong understanding of RESTful API design, microservices architecture, and distributed systems.
• Experience integrating observability stacks (OpenTelemetry, Micrometer, Prometheus, Grafana, etc.) for monitoring, logging, and tracing.
• Experience with containerization (Docker, Kubernetes) and CI/CD pipelines.
• Demonstrated proficiency using AI coding assistants (e.g., GitHub Copilot, Amazon CodeWhisperer, Tabnine) in daily development workflows.
• Solid grasp of software engineering best practices (modular code design, testing, version control, code review).
• Excellent problem-solving, analytical, and communication skills.

Preferred Skills:

• Experience with reactive programming, asynchronous processing, and modern Java concurrency features.
• Deep familiarity with distributed tracing, log aggregation, and alerting systems.
• Knowledge of security best practices for cloud applications.
• Contributions to open-source projects or technical communities.

Benefits

At Accellor, we believe in equitable compensation. The annual salary for this position will be in the range of $110,000 - $130000. The actual pay will depend on your skills, experience, and qualifications. The salary range is subject to change.

In addition, we offer:

Work-Life Balance: Accellor prioritizes work-life balance, which is why we offer, flexible work schedules, opportunities to work from home, and paid time off and holidays.

Financial and Medical Benefits: Our package includes perks like flexible and discretionary time off, healthcare coverage for you and your loved ones, and a retirement plan to help you plan for the future. Additionally, we offer access to flexible spending and health savings accounts, life and AD&D insurances.

Professional Development: Our dedicated Learning & Development team regularly organizes Communication skills training, Stress Management program, professional certifications, and technical and soft skill trainings.

Exciting Projects: We focus on industries like High-Tech, communication, media, healthcare, retail and telecom. Our customer list is full of fantastic global brands and leaders who love what we build for them.

Collaborative Environment: You can expand your skills by collaborating with a diverse team of highly talented people in an open, laidback environment — or even abroad in one of our global centres.

Accellor is proud to be an equal-opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristics