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Temporary Flutter App Developer Jobs in Florida (NOW HIRING)

Monitise

Senior Data Engineer/Analyst

Coral Springs, FL · On-site

$81K - $103K/yr

Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, w ... Experience with CI/CD automation and DevOps practices to deploy, monitor, and support data ...

ProVenture, LLC

Mammography Tech - Full Time

Tampa, FL · On-site

Nearby museums and performance venues provide regular cultural programming. The region offers ... Discover your perfect match with ProVenture, our AI enhanced career app designed just for you. EEO ...

Jackson Therapy

Mammography Tech - Full Time

Tampa, FL · On-site

Nearby museums and performance venues provide regular cultural programming. The region offers ... Discover your perfect match with ProVenture, our AI enhanced career app designed just for you. EEO ...

AllSTEM Connections

Data Scientist

Orlando, FL · On-site

$107K/yr

Data Engineering & Feature Discovery (20%) • Assist in the collection, cleaning, and organization ... Experience with process automation (Power Automate) and low-code app development (Power Apps). • ...

Monitise

Cybersecurity Architect

Coral Springs, FL

$168K - $271K/yr

Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, w ... Provide leadership on security tooling and partner across engineering and architecture teams to ...

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Infographic showing various Temporary Flutter App Developer job openings in Florida as of July 2026, with employment types broken down into 48% Full Time, 44% Part Time, 1% Temporary, and 7% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution.
Senior Software Engineer, Golang and Postgres

Senior Software Engineer, Golang and Postgres

Fiserv, Inc.

Jacksonville, FL • On-site

$113K - $149K/yr

Full-time

Posted 19 days ago

Fiserv rating

7.6

Company rating: 7.6 out of 10

Based on 94 frontline employees who took The Breakroom Quiz

109th of 148 rated financial services

Job description

Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
Senior Software Engineer, Golang and Postgres
What does a successful Senior Software Engineer, Golang and Postgres do at Fiserv?
Finxact is an innovative enterprise-class 100 percent open API cloud-native innovation platform and transaction processing engine. It is agnostic to asset classes, currencies, and time zones, catering to banking, fintech, and embedded finance sectors. Finxact offers scalability with adaptiveness to change, harnessing the cloud's resiliency and elasticity to design and launch new products with agility and precision without technology upheaval. As a Senior Software Engineer, you will specialize in managing and executing migration projects, ensuring the seamless transfer of database systems and applications. This role is pivotal in maintaining data integrity and security throughout the migration process, contributing to our mission of delivering innovative financial services solutions.
What you will do:
  • Lead and oversee migration projects; collaborate with stakeholders to define project scope, objectives, and requirements.
  • Analyze existing software systems and applications to identify migration requirements and potential challenges.
  • Develop migration plans and strategies, outlining timelines, resources, and necessary tools and technologies.
  • Coordinate with cross-functional teams to implement migration plans, ensuring minimal disruption to ongoing operations.
  • Ensure data integrity and security during the migration process, implementing necessary safeguards and controls.
  • Conduct thorough testing and verification of migrated systems; resolve any issues or errors that may arise.
  • Document and maintain accurate records of migration processes and procedures; ensure compliance with internal and external regulations.
  • Provide technical support and guidance to end-users and stakeholders during and after the migration process.

What you will need to have:
  • 5+ years of Golang experience.
  • 5+ years of experience with databases and data migration techniques.
  • 5+ years of experience operating Postgres in a Cloud environment, PostgreSQL database architecture, concepts, features, and high-availability technologies.
  • 5+ years of experience in query optimization, indexing knowledge, modeling basics, materialized views, and partitioning.
  • 5+ years of experience with PL/PgSQL, triggers, and stored procedure development and optimization in PostgreSQL.
  • Bachelor's degree in computer science, engineering, or a related field, or an equivalent combination of education, work, and/or military experience.

What would be great to have:
  • Experience with RDBMS in the cloud.
  • Initiative-taking approach to identify and resolve issues.
  • Experience in prioritization and management of multiple projects simultaneously while meeting deadlines.
  • Experience with performance and load testing databases.

Important info about this role:
  • We're better together. This role is fully on-site.
  • This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.

Sponsorship:
You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.
#LI-IH1
This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont or Washington.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.
Thank you for considering employment with Fiserv. Please:
  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.
Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
Warning about fake job posts:
Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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