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Expert Software Developer Jobs (NOW HIRING)

Expert Software Developer

Chantilly, VA · Hybrid

$154K - $278K/yr

The Software Engineer will work with a team of developers, engineers and testers to support and modernize existing PKI systems as well as developing new systems for other networks. Core business ...

The Software Developer will work with a large team of software engineers and data engineers. The successful candidate will support continuity of our customer's mission by helping to modernize and ...

Expert Software Developer (Systems Software) Location: Chantilly, VA (on-site client environment) Clearance: TS/SCI with polygraph Compensation: Competitive, Excellent Benefits Only applicants with ...

Expert Software Developer

Chantilly, VA · On-site

$154K - $278K/yr

The Software Developer will work with a large team of software engineers and data engineers. The successful candidate will support continuity of our customer's mission by helping to modernize and ...

Expert Software Developer (Systems Software) Location: Chantilly, VA (on-site client environment) Clearance: TS/SCI with polygraph Compensation:Competitive, Excellent Benefits Only applicants with ...

Expert Software Developer

Chantilly, VA · On-site

$154K - $278K/yr

The Software Engineer will work with a team of developers, engineers and testers to support and modernize existing PKI systems as well as developing new systems for other networks. Core business ...

The AI Expert - Software Engineering is responsible for designing, developing, and integrating artificial intelligence capabilities into production-grade software systems. This role blends deep AI/ML ...

This Expert Software Developer will serve as the primary technical SME for AI capabilities supporting the GEODS Data Catalog, focusing on automated metadata enrichment, semantic similarity search ...

Each developer has the opportunity to design and implement noticeable and impactful changes to the system as a whole. Responsibilities: As a GEODS Expert Software Engineer, you will serve as a ...

This Expert Software Developer will serve as the primary technical SME for AI capabilities supporting the GEODS Data Catalog, focusing on automated metadata enrichment, semantic similarity search ...

Expert Software Engineer

Chantilly, VA · On-site

$131K - $237K/yr

Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Entitlements ...

CNO Expert Software Engineer

Hanover, MD · On-site +1

$125K - $172K/yr

GTSC seeks a CNO Expert Software Engineer to support our customer in the Fort Meade , MD area. Location: Hanover, Maryland All work is on-site. This is not a hybrid or remote position. Mission : As a ...

Each developer has the opportunity to design and implement noticeable and impactful changes to the ... As a GEODS Expert Software Engineer, you will serve as a subject matter expert and mentor to other ...

Expert Software Engineer

Chantilly, VA · On-site

$131K - $237K/yr

Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Entitlements ...

Each developer has the opportunity to design and implement noticeable and impactful changes to the ... As a GEODS Expert Software Engineer, you will serve as a subject matter expert and mentor to other ...

Each developer has the opportunity to design and implement noticeable and impactful changes to the system as a whole. Responsibilities: As a GEODS Expert Software Engineer, you will serve as a ...

Expert Software Engineer

Chantilly, VA · On-site

$131K - $237K/yr

Leidos is seeking a Software Engineer-Expert for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization ...

Leidos is seeking a Software Engineer-Expert for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization ...

Software Developer Know your job match score, get recommended jobs and connect with recruiters looking for talent like you! Log in or create your free ClearanceJobs profile Job Requirements Fort ...

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Expert Software Developer information

See salary details

$48K

$111.8K

$166K

How much do expert software developer jobs pay per year?

As of Jun 19, 2026, the average yearly pay for expert software developer in the United States is $111,845.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,000.00 and $130,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Expert Software Developer, and why are they important?

To thrive as an Expert Software Developer, you need advanced programming skills, deep knowledge of software engineering principles, and several years of hands-on experience, often supported by a relevant degree or industry certifications. Mastery of tools such as version control systems (e.g., Git), integrated development environments (IDEs), and familiarity with cloud platforms or CI/CD pipelines is typically required. Strong problem-solving abilities, teamwork, and effective communication distinguish top performers in this field. These skills and qualities are crucial for delivering high-quality, scalable software solutions and driving innovation in complex development environments.

How do Expert Software Developers typically mentor junior team members, and what impact does this have on team productivity?

Expert Software Developers often play a key role in mentoring junior colleagues by providing code reviews, sharing best practices, and guiding them through complex technical challenges. This mentorship helps accelerate the learning curve for less experienced team members and fosters a culture of continuous improvement. By actively sharing knowledge and offering constructive feedback, Expert Software Developers not only enhance the skills of the entire team but also improve overall productivity and code quality.

What are the 5 levels of expert?

In software development, the five levels of expertise typically include Junior, Mid-level, Senior, Lead, and Principal or Architect. These levels reflect increasing experience, responsibility, and technical skill, often accompanied by certifications and leadership roles within teams. Progression depends on demonstrated competence, project impact, and sometimes formal assessments or performance reviews.

What is the definition of an expert?

An expert software developer is a professional with extensive knowledge and experience in software design, coding, and problem-solving. They often demonstrate advanced skills, stay updated with industry trends, and may hold certifications or specialized training. Expertise is typically gained through years of practice and continuous learning in the field.

What are Expert Software Developers?

Expert Software Developers are highly skilled professionals who design, develop, and maintain complex software systems. They possess deep knowledge of programming languages, software architecture, and best practices in software engineering. These developers often lead technical teams, mentor junior engineers, and make critical decisions about technology stacks and project direction. Their expertise enables them to solve challenging problems and deliver robust, scalable solutions tailored to business needs.

What is the Gen Z word for expert?

In Gen Z slang, a software developer or expert might be called a 'pro,' 'wiz,' or 'boss,' reflecting confidence and skill. These terms are often used informally among peers to describe someone highly proficient in their field, including technical roles like software development.

What is another word for expert?

In the context of an expert software developer, synonyms include specialist, authority, professional, or skilled practitioner. These terms describe someone with advanced knowledge, experience, and proficiency in software development, often demonstrated through certifications, a strong portfolio, or years of practice.

What is the difference between Expert Software Developer vs Software Engineer?

AspectExpert Software DeveloperSoftware Engineer
CredentialsTypically requires a bachelor's degree in computer science or related field, with extensive experienceUsually holds a bachelor's or master's degree in software engineering or computer science
Work EnvironmentWorks on complex coding, problem-solving, and project implementationDesigns, develops, and maintains software systems, often involved in architecture decisions
Industry UsageCommonly used in tech companies, consulting, and specialized software projectsWidely used across industries including tech, finance, healthcare, and manufacturing

Expert Software Developers focus on advanced coding and technical problem-solving, often with deep specialization. Software Engineers typically have broader responsibilities, including system design and architecture. Both roles require strong technical credentials, but Expert Software Developers are usually more specialized in coding expertise, while Software Engineers may handle a wider range of engineering tasks.

More about Expert Software Developer jobs
Expert Software Developer

Expert Software Developer

Leidos

Chantilly, VA • Hybrid

$154K - $278K/yr

Full-time

Posted 17 days ago


Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

56th of 428 rated business services


Job description

Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Enterprise PKI System as well as IdAM IICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a team of developers, engineers and testers to support and modernize existing PKI systems as well as developing new systems for other networks.

Core business hours are typically from 9 AM - 3 PM, five days a week. Hours can be flexible for either early arrivals, and/or late departures. Some after hours or weekend work may be required to accommodate system deployments and upgrades.

The Candidate must have a strong working knowledge of Public Key Infrastructure (PKI) and understand key concepts like digital certificates and Certificate Authorities (CAs). It is highly desired the Candidate also have knowledge of Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models. Additionally, the ability to design a robust system to issue, manage, and revoke digital certificates while ensuring the integrity and authenticity of users and entities within a network is desirable. Candidates who do not have all these abilities, but have the ability to learn them, will be considered.

Primary Responsibilities

The Developer will be part of a team of developers and cloud engineers that create new features for legacy PKI systems as sponsor's mission continues to expand and evolve. Our team also builds new systems as new mission needs arise. We are actively working to build new PKI systems on other networks. Our work rhythm revolves around the Scrum agile framework to deliver incremental enhancements on a 3-week cycle. Developers actively participate in planning deliverables and grooming the Jira backlog. We rely on team collaboration to continually fine tune performance and ensure clear communication. Developers also participate in a team rotation of O&M responsibilities. They are required to be on-call for after-hours support approximately one week every three months.

Required Quals;

Active TS/SCI with Polygraph

Bachelor of Science (BS) degree and 16+ years of demonstrable experience

Experience creating applications with Java, Springboot, and Amazon Web Services for backend components, focusing on low-latency, high-throughput distributed systems

As new systems are built, additional programming languages may be used

Experience working closely with product owners, business analysts, and other teams to translate business requirements into technical solutions

Experience analyzing and decomposing complex software systems and creating

designs for scalability, testability, and performance

Experience writing custom scripts to install and configure code in EC2 instances

Experience using Git

Experience using CloudFormation scripts

Experience creating RESTful API

Experience using XML, JSON and YAML

Experience creating applications/services using Java, JavaScript, and bash scripting

Working with the team's security engineer to address, mitigate security findings stemming from system security scans

Experience with relational databases such as PostgreSQL and MySQL and use of

SQL or PLSQL

Develop APls to Integrate systems and services

Hands-on experience with Linux (CLI)

Hands on experience with scripting and Java

Strong, hands-on experience with Linux (CLI)

Experience with scripting and programming languages like BASH and Python

Desired Quals:

Experience with Public Key Infrastructure (PKI) and understand key concepts like digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models

Experience with Jenkins

Experience delivering containerized applications with services similar to Docker and Kubernetes

Experience creating applications/services using Python

Experience with Elasticsearch and/or Kibana

Experience creating applications that rely on tokenization

Understanding of Identity Access Management (lAM) and Zero Trust concepts

Experience building microservices

Experience with automated testing frameworks such as Katalon Studio or Selenium

FIP

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:April 2, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $154,050.00 - $278,475.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.


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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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