Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Backend Developer

Sedgwick

By joining Sedgwick, you'll be part of something truly meaningful. It’s what our 33,000 colleagues do every day for people around the world who are facing the unexpected. We invite you to grow your career with us, experience our caring culture, and enjoy work-life balance. Here, there’s no limit to what you can achieve.

Newsweek Recognizes Sedgwick as America’s Greatest Workplaces National Top Companies

Certified as a Great Place to Work®

Fortune Best Workplaces in Financial Services & Insurance

Senior Backend Developer

Job Responsibilities

· Lead the design and development of scalable backend systems that support enterprise applications and integrations.

· Architect, build, and maintain RESTful and event-driven APIs for internal and external consumers.

· Design abstraction layers that expose functionality from legacy systems in a secure, modern, and reusable manner.

· Develop middleware services to translate, normalize, and orchestrate data between legacy platforms and modern applications.

· Integrate with legacy systems using available interfaces such as SOAP, REST, JDBC/ODBC, message queues, flat files, or proprietary APIs.

· Build API gateways and service layers that handle authentication, rate limiting, logging, and monitoring.

· Design and implement data transformation logic to map legacy schemas to modern domain models.

· Develop asynchronous processing pipelines using queues, event streams, or batch processing frameworks.

· Optimize backend services for performance, scalability, reliability, and fault tolerance.

· Implement caching strategies and database performance tuning techniques.

· Create robust error-handling and retry mechanisms for unstable or high-latency legacy endpoints.

· Ensure secure integration using OAuth2, JWT, mutual TLS, SAML, or other enterprise authentication mechanisms.

· Work closely with enterprise architects and infrastructure teams to modernize legacy integration patterns.

· Participate in system decomposition initiatives, including incremental migration from monoliths to microservices.

· Write comprehensive unit, integration, and contract tests to ensure API reliability.

· Document API specifications using OpenAPI/Swagger or similar standards.

· Implement logging, tracing, and monitoring using observability tools.

· Support CI/CD pipelines for automated builds, deployments, and environment promotion.

· Troubleshoot production issues related to system integration, performance bottlenecks, or data inconsistencies.

· Mentor junior developers on integration patterns, clean architecture, and backend best practices.

Qualifications

· Bachelor’s degree in Computer Science, Engineering, or related field.

· 7–10+ years of experience in backend software development.

· Strong proficiency in one or more backend languages such as Java, C#, Python, or Node.js.

· Deep experience designing and building RESTful APIs and microservices.

· Proven experience integrating with legacy enterprise systems.

· Experience working with SOAP services, XML, JSON, and enterprise messaging systems.

· Strong understanding of relational databases (SQL Server, Oracle, PostgreSQL) and query optimization.

· Experience with NoSQL databases and caching technologies such as Redis.

· Knowledge of API security standards and enterprise authentication mechanisms.

· Experience with containerization technologies such as Docker and orchestration platforms such as Kubernetes.

· Familiarity with API gateways, service meshes, and middleware platforms.

· Experience implementing asynchronous communication patterns using Kafka, RabbitMQ, or similar technologies.

· Strong understanding of distributed systems, scalability, and resilience patterns.

· Experience working in regulated or high-availability enterprise environments preferred.

· Strong analytical and troubleshooting skills with the ability to navigate complex system dependencies.

· Excellent communication skills and ability to collaborate across technical and business teams.

Sedgwick is an Equal Opportunity Employer and a Drug-Free Workplace.

If you're excited about this role but your experience doesn't align perfectly with every qualification in the job description, consider applying for it anyway! Sedgwick is building a diverse, equitable, and inclusive workplace and recognizes that each person possesses a unique combination of skills, knowledge, and experience. You may be just the right candidate for this or other roles.

Sedgwick is the world’s leading risk and claims administration partner, which helps clients thrive by navigating the unexpected. The company’s expertise, combined with the most advanced AI-enabled technology available, sets the standard for solutions in claims administration, loss adjusting, benefits administration, and product recall. With over 33,000 colleagues and 10,000 clients across 80 countries, Sedgwick provides unmatched perspective, caring that counts, and solutions for the rapidly changing and complex risk landscape. For more, see sedgwick.com

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Backend Developer in Jefferson City, MO vacancy
  • $72k - $108k

    A leading health organization is looking for a remote-based Sales Representative to drive the profitable sale of core and supplemental products in the Missouri territory. The ideal candidate will have at least five years of progressive experience in health insurance sales...
    Senior
    Remote work

    Highmark Health

    Jefferson City, MO
    11 hours ago
  • $150k - $185k

    A leading global technology firm is seeking a Pricing Senior Manager responsible for directing pricing strategies and proposal developments. The position is remote with a preference for candidates close to HQ facilities. Qualified candidates will have a Bachelor’s degree... 
    Senior
    Remote work

    Amentum

    Jefferson City, MO
    1 day ago
  • $115.4k - $251.6k

     ...Job Description Career Level: IC5 | Senior Individual Contributor ABOUT THE ROLE Oracle is seeking a strategic, senior Product...  ...You'll Do: Own the positioning and messaging framework: develop and maintain the authoritative messaging framework for Oracle Autonomous... 
    Senior
    Temporary work
    Flexible hours

    Oracle

    Jefferson City, MO
    6 days ago
  •  ...A leading insurance company is seeking a Senior Actuarial Analyst responsible for leading projects in pricing and reserving frameworks. The ideal candidate will have a strong background in analytics, demonstrated communication skills, and experience in actuarial roles... 
    Senior
    Remote work

    Ally

    Jefferson City, MO
    6 days ago
  •  ...Serco is seeking a Senior Manager for Trade Compliance to join our team in Jefferson City, Missouri. This 100% remote position involves driving compliance efforts and managing ITAR-related documentation. The role requires U.S. citizenship and the ability to obtain a DoD... 
    Senior
    Remote work

    Serco

    Jefferson City, MO
    3 days ago
  • A leading chemical manufacturing company is seeking a Capital Project Scheduler to join their team in Jefferson City, MO. This remote position focuses on the development and management of project schedules within heavy industrial projects. The ideal candidate will have...
    Senior
    Remote work

    The Chemours Company

    Jefferson City, MO
    1 day ago
  • $93.5k - $140k

    Public Consulting Group is seeking an experienced project manager to oversee technology projects, ranging from $100,000 to $3,000,000+ within the education sector. The successful candidate will manage the full project lifecycle and work closely with clients and stakeholders...
    Senior
    Remote work

    Public Consulting Group

    Jefferson City, MO
    1 day ago
  • $200.7k - $229.1k

     ...Overview Senior Product Manager, Growth - Capital One Shopping (Remote-Eligible) Product Management at Capital One is a booming, vibrant...  ...SSR, Schema, metadata, and site speed Someone comfortable with backend products who is not afraid to challenge the norm and do what is... 
    Senior
    Full time
    Part time
    Local area
    Remote work

    Comfort Systems USA

    Jefferson City, MO
    1 day ago
  • $96.8k - $306.4k

     ...Job Description The Senior Principal AI Agent / ML Software Engineer is a Senior Staff-level, hands-on technical leadership role...  ...inference optimization, long-context systems, reasoning models, AI developer tooling, and agentic-first development. Drive engineering... 
    Senior
    Temporary work
    Flexible hours

    Oracle

    Jefferson City, MO
    4 days ago
  •  ...A leading global consulting firm is seeking a Senior Technology Analyst to enhance Oracle Cloud Finance projects. In this role, you will evaluate business requirements, analyze technology solutions, and collaborate with technical teams for effective system architecture... 
    Senior

    Ernst & Young Oman

    Jefferson City, MO
    4 days ago
  • $161.5k - $184.3k

    A leading financial technology company is seeking a Senior Marketing Analyst. In this role, you will lead data-driven recommendations for marketing and sales strategies. Responsibilities include developing measurement frameworks, analyzing marketing efficiency, and building... 
    Senior
    Remote work

    Capital One

    Jefferson City, MO
    3 days ago
  • $110k - $130k

    Ryder System, Inc. is seeking an experienced Application Security Engineer to join our security team. This role involves conducting security assessments, collaborating with development teams, and maintaining security documentation. The ideal candidate will have 5+ years...
    Senior

    Ryder

    Jefferson City, MO
    1 day ago
  • A government IT services firm is seeking a Senior Systems Architect/Senior Splunk Engineer to manage the Splunk environment. This fully remote position requires expertise in Enterprise Security, ITSI, and SOAR, primarily focusing on maintaining system health and troubleshooting... 
    Senior
    Remote work
    Flexible hours

    GovCIO

    Jefferson City, MO
    1 day ago
  •  ...Baylor Scott & White Health is actively seeking an Analytics Developer to enhance our digital assets and marketing analytics. You will gather requirements, develop solutions using SQL and various BI tools, and ensure data quality. The ideal candidate possesses significant... 
    Senior

    Baylor Scott & White Health

    Jefferson City, MO
    33 minutes ago
  • $150k - $180k

     ...Pearson is looking for a Senior Software Engineer / Architect to join their engineering organization in Jefferson City, MO. This is a high-impact, hands-on leadership role where you'll drive architectural decisions and mentor senior engineers. The ideal candidate will... 
    Senior
    Remote work

    Pearson

    Jefferson City, MO
    2 days ago
  • $25.93 - $41.43 per hour

    City National Bank is hiring a Mortgage Loan Processor III in Jefferson City, Missouri. This role entails processing home equity loans, ensuring timely closures, and evaluating client applications. Candidates need a high school diploma and at least 3 years of mortgage ...
    Senior
    Hourly pay
    Work at office

    City National Bank

    Jefferson City, MO
    1 day ago
  •  ...Are you looking for a rewarding career with long-term growth potential? Join the Senior Benefit Services team and make a meaningful difference in the lives of seniors while building a sustainable sales career. Senior Benefit Services has been in business for over 50 years... 
    Senior
    Work at office

    Senior Benefit Services Inc

    Jefferson City, MO
    5 days ago
  • $100k - $115k

     ...KEVs, vendor advisories) and ensure timely remediation. Provide senior‑level technical support and guidance to system administrators,...  ...point for complex patching, upgrade, and configuration issues. Develop and maintain technical documentation, standard operating procedures... 
    Senior

    MAXIMUS

    Jefferson City, MO
    3 days ago
  •  ..., powered by facial recognition. Responsibilities: Collaborate with product and design teams (ex-Google/FB/Apple/Microsoft) to develop, test, and launch new features and improvements for our consumer social app. Write clean, maintainable, and scalable code using... 
    Full time

    Cheez

    Jefferson City, MO
    1 day ago
  •  ...Job Location: Central Office, 105 West Capitol Avenue, Jefferson City, Missouri Why you'll love this position: The senior executive assistant performs secretarial and administrative assistant duties for members of the director's office, chief counsel, or secretary... 
    Senior
    Work at office
    Flexible hours
    Night shift

    State of Missouri

    Jefferson City, MO
    4 days ago
  •  ...final salary outcome. Job Location: Central Office, 105 West Capitol Avenue, Jefferson City, MO Why You’ll Love This Position The senior structural designer is responsible for structural design computations and sketches for any type of highway structure, preparing bridge... 
    Senior
    Work at office
    Flexible hours

    State of Missouri

    Jefferson City, MO
    11 hours ago
  • $65k - $75k

     ...Job Title: Senior Construction Inspector Location: Jefferson City, MO 65109 Salary Range: $65,000 – $75,000 per year About the Role We are seeking a highly experienced Senior Construction Inspector to support our growing portfolio of infrastructure projects, particularly... 
    Senior
    For contractors
    Local area

    Madrid CFTL

    Jefferson City, MO
    1 day ago
  •  ...role where your expertise drives operational excellence. As a Senior Purchasing Manager at Hitachi Energy, you’ll lead factory-level...  ...g., SAP) for purchase order management and reporting. Lead and develop a team of buyers and analysts to achieve factory goals. Responsible... 
    Senior
    Local area

    Hitachi Data Systems

    Jefferson City, MO
    11 hours ago
  •  ...executive reporting. Excellent problem‑solving, analytical, written, and verbal communication skills, with proven ability to brief senior leadership and translate technical risk into business terms. Demonstrated ability to lead multiple concurrent complex incidents, make... 
    Senior
    Contract work
    Work experience placement
    Work at office
    Shift work

    ASM Research, An Accenture Federal Services Company

    Jefferson City, MO
    1 day ago
  • $140k - $160k

     ...Senior UX Designer Remote We are seeking an AI-native Senior UX Designer to help shape the future of enterprise software in an AI-first world. This role is for designers who are driven to deeply understand users and translate complex supply chain challenges into... 
    Senior
    Remote work
    Flexible hours

    Cleo

    Jefferson City, MO
    1 day ago
  •  ...remediation efforts. Collaborate with incident response teams to investigate and respond to security incidents in a timely manner. Develop and maintain WAF policies, rules, and documentation to align with best practices and compliance requirements. Provide support for security... 
    Senior
    Flexible hours

    Ernst & Young Oman

    Jefferson City, MO
    4 days ago
  • $75 per hour

    Job Location: Central Office, 3024 Dupont Circle, Jefferson City MO 65109 Why You’ll Love This Position You will be part of a team providing accounting support for Disability Determinations and Vocational Rehabilitation. You will enjoy new things daily, with the opportunities...
    Senior
    Work at office
    Visa sponsorship
    Work visa
    Shift work

    State of Missouri

    Jefferson City, MO
    11 hours ago
  •  ...The Senior Tester enables full-stack solution delivery by contributing to multidisciplinary team planning and integration across the...  ...role is also responsible for defining the automation strategy, developing automated test scripts, and supporting test data and environment... 
    Senior
    Contract work
    Work at office

    ASM Research, An Accenture Federal Services Company

    Jefferson City, MO
    5 days ago
  • $16.75 - $21.75 per hour

    Remote opening M-F 8:30-5 pm EST What Benefits Eligibility and Authorization (RCM) contributes to Cardinal Health Benefits Eligibility and Authorization verify patient specific health benefits. Benefits Eligibility and Authorization provides services to customers...
    Senior
    Hourly pay
    Temporary work
    Local area
    Immediate start
    Remote work
    Flexible hours

    Cardinal Health

    Jefferson City, MO
    4 days ago
  • $72.7k

     ...meet customer needs, generates reports through mainframe and/or PC applications by utilizing established applications/programs or developing new applications/programs, develops work plans to meet deadlines, accurately estimating completion dates and communicating report... 
    Senior
    For contractors
    Work at office

    Highmark Health

    Jefferson City, MO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Backend Developer. Be the first to apply!