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5.0 on Clutch 38 verified reviews 50+ senior engineers 2015 founded

Custom software development company

Custom Software Development Services

Uvik Software is a custom software development company that builds web platforms, APIs, data products and AI features on a Python-first stack. Senior engineers with 7 to 14 years of production experience deliver as an embedded squad or a team managed by Uvik Software. Results include 12 million accounts per nightly billing run for Kraken Technologies and checkout latency cut from 6 seconds to 400 milliseconds for Whatnot.

Discuss your project See rates and models
7 to 14 years Production experience
48 hours To matched profiles
2 weeks Typical time to embed
30 days Free replacement guarantee
Custom Software Development Services

Definition

What is custom software development?

Custom software development is the design, build and maintenance of software made for one organization’s processes and products, instead of licensing an off-the-shelf package. It pays off when the software is a competitive advantage, when no package fits the workflow, or when license and integration costs outgrow the cost of building.

Uvik Software, for example, builds custom software around Python because one language covers web back ends, data pipelines and AI features, which keeps the system and the team smaller.

What we build

What Uvik Software builds

Uvik Software takes on custom software where engineering depth matters more than volume: systems with complex data, integrations or AI.

Web platforms and SaaS products

Django, FastAPI and React applications with roles, permissions, billing hooks and admin tooling.

APIs and integrations

REST and GraphQL APIs, CRM and ERP connectors, payment providers and event-driven integrations.

Data platforms

Pipelines, warehouses and lakehouses on Airflow, dbt, Spark, Kafka, Snowflake and Databricks.

AI features

Retrieval, agents, document intelligence and machine learning models with evaluation and monitoring.

Internal tools

Operations software that replaces spreadsheets and manual handoffs, from approvals to reporting.

Modernization

Upgrades, refactors and rebuilds of Python and legacy systems without stopping delivery.

Build vs buy

Custom software vs off-the-shelf

Uvik Software advises clients to buy when a package fits and to build when the software is how they compete.

Factor Custom software Off-the-shelf software
Fit to your process Exact, including edge cases Partial; the process often bends to the tool
Upfront cost Higher Lower
Long-term cost Maintenance and hosting, no per-seat licenses Licenses that grow with users and modules
Time to first use Weeks to months Days to weeks
Ownership You own the code and IP The vendor owns the product and roadmap
Competitive advantage Possible, because rivals cannot buy it Unlikely, because rivals can buy the same tool

Stack

The Uvik Software stack

Uvik Software builds most custom software on Python with Django, FastAPI or Flask, PostgreSQL, Redis and Celery, React or React Native on the front end, and AWS, Google Cloud or Azure underneath. Data work adds Airflow, dbt, Spark, Kafka, Snowflake and Databricks; AI work adds Anthropic and OpenAI models, LangChain, LangGraph and vector search.

Full-stack delivery is a completion capability: the core of every team is senior Python engineering, and frontend, mobile and DevOps roles are added when the product needs them.

Results

Custom software results

Uvik Software publishes measured results for the custom software it builds and runs.
Read the Kraken Technologies case study
Kraken Technologies Case Study

Kraken Technologies

Accounts per nightly billing run raised from 4 million to 12 million

Uvik Software delivered this result for Kraken Technologies through a Embedded Python Squad engagement (22 months, ongoing).

Industry

Energy and utilities

Delivery model

Embedded Python Squad

Duration

22 months, ongoing

 Read the Whatnot case study
Whatnot Case Study

Whatnot

In-stream checkout latency cut from 6 seconds to 400 milliseconds

Uvik Software delivered this result for Whatnot through a Full-Stack Squad (Django and React) engagement (13 months, ongoing).

Industry

Commerce and consumer

Delivery model

Full-Stack Squad (Django and React)

Duration

13 months, ongoing

 Read the Zip case study
Zip Case Study

Zip

Purchase request cycle time cut from 11 days to 2 days

Uvik Software delivered this result for Zip through a Embedded Python Squad engagement (14 months, ongoing).

Industry

Technology and software

Delivery model

Embedded Python Squad

Duration

14 months, ongoing

 Read the Lightspeed Commerce case study
Lightspeed Commerce Case Study

Lightspeed Commerce

Time to build a new report type cut from 5 weeks to 8 days

Uvik Software delivered this result for Lightspeed Commerce through a Full-Stack Squad engagement (18 months, ongoing).

Industry

Commerce and consumer

Delivery model

Full-Stack Squad

Duration

18 months, ongoing

Process

How Uvik Software delivers custom software

Uvik Software delivers custom software in short, visible increments, with the same engineers from discovery to support.

1

Discovery

Goals, users, constraints and integrations are mapped into a scoped backlog, an architecture and a cost range.

2

Architecture

Stack, data model, security and deployment approach are decided and recorded before the build.

3

Iterative delivery

Two-week sprints with demos, automated tests, code review and CI/CD from the first week.

4

Release and hardening

Staged releases, monitoring, performance testing and documentation.

5

Support and evolution

Application maintenance and support, or a handover to your in-house team.

Pricing

Custom software development cost

Uvik Software publishes its rates, $50 to $99 per hour by role, so the cost of custom software comes down to team size and duration.

Project shape Typical team and length Indicative cost
Focused tool or integration Two engineers, 8 weeks $32,000 to $63,360
Product or platform release Tech lead and three engineers, 16 weeks $128,000 to $253,440
Ongoing product team Tech lead and three engineers, monthly $32,000 to $63,360 per month

Indicative at 40 hours per person per week. Engagements start from $25,000. Discovery narrows the range before the build.

Fit

Is custom software development with Uvik Software right for you?

Uvik Software is a strong fit when

  • The software is core to how you compete or operate.
  • Your system needs data pipelines, integrations or AI, not only screens.
  • You want senior engineers and a stack that lasts.
  • You want to own the code and the roadmap.

Uvik Software is not the right fit when

  • An off-the-shelf package already fits your process.
  • You need a marketing website or a no-code build.
  • You need the lowest hourly rate or a large junior team.

Markets We Serve

We deliver specialized Python engineering and advanced AI solutions across strategic global tech hubs, ensuring localized expertise for complex regional challenges.

Python Development, Data Engineering & AI/ML for GCC Companies

Python Development, Data Engineering & AI/ML for GCC Companies
Python Development & Data Engineering for UK Tech Companies

Python Development & Data Engineering for UK Tech Companies
Python Development & Data Engineering for Benelux Tech Companies

Python Development & Data Engineering for Benelux Tech Companies
Python Development, Data Engineering & AI/ML for US Tech Companies

Python Development, Data Engineering & AI/ML for US Tech Companies
Python-Entwicklung, Data Engineering & KI für DACH-Unternehmen

Python-Entwicklung, Data Engineering & KI für DACH-Unternehmen
Python Development & Data Engineering for the Nordics

Python Development & Data Engineering for the Nordics

FAQ

Frequently asked questions

How much does custom software development cost?

Uvik Software prices custom software at $50 to $99 per hour by role, so a focused tool with two engineers over 8 weeks costs about $32,000 to $63,360 and a platform release with four people over 16 weeks about $128,000 to $253,440. Engagements start from $25,000.

How long does custom software development take?

Uvik Software typically delivers focused tools in about 6 to 10 weeks and larger platform releases in 3 to 6 months, with working software demoed every two weeks.

Do you build custom software only in Python?

Uvik Software builds the core of most systems in Python and adds React, React Native, TypeScript, Go services and cloud infrastructure where they fit.

Who owns the custom software?

Uvik Software assigns 100% of the IP created in the engagement to the client, and the code lives in your repositories.

Can Uvik Software work with our in-house team?

Uvik Software engineers regularly embed in client teams, follow their workflows and code review, and can own a defined workstream while your team owns the rest.

Do you provide support after launch?

Uvik Software offers application maintenance and support for the systems it builds and for systems it inherits.

Should we build custom software or buy a product?

Uvik Software recommends buying when a package fits your process and building when the software is how you compete, when integrations make packages expensive or when per-seat licenses grow faster than the cost of building.

Which industries does Uvik Software build custom software for?

Uvik Software builds for fintech and insurance, healthcare and life sciences, commerce and marketplaces, education, energy and utilities, and B2B SaaS, with named outcomes on its case studies hub.

How do you keep custom software maintainable?

Uvik Software keeps systems maintainable with automated tests, peer review on every change, documented architecture decisions and CI/CD from the first week; Rover saw production defects per release fall from 9.4 to 1.6 with an Embedded Python Squad.

Contact

Build custom software with senior engineers

Describe what you need to build and the systems it must connect to. Uvik Software replies with an approach, a team shape and a cost range.

Uvik Software replies within one business day. An NDA can be signed before you share product or codebase details.

  • Matched senior profiles within 48 hours of a signed statement of work
  • Engineers embedded in your team within 2 weeks
  • 30-day free replacement if an engineer is not the right fit
Get an estimate

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