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CONNTAL

Integration and APIs · screened by AceMQ

Hire WSO2 developers vetted by a WSO2 practitioner

Conntal places WSO2 developers and engineers for API Manager, Micro Integrator and Identity Server, with the upgrade experience the current support dates demand. Every candidate is screened by a practitioner on a real version-migration scenario before you see them. Available on contract, contract-to-hire or direct hire.

Indicative rate: from $80/hr nearshore or offshore and $120/hr onshore. See what moves it.

Contract, contract-to-hire or direct · onshore, nearshore, offshore · reviewed 31 October 2026

Screen owner
Integration and API platform lead · AceMQConsulting and support for Boomi.
Titles we place
WSO2 developer · WSO2 engineer · API Manager engineer · Identity and access engineer · Integration developer
Platforms we screen on
API ManagerMicro IntegratorIdentity ServerEnterprise Integrator

Rates

What a contract WSO2 developer costs

Senior contract WSO2 developer rates start at $80/hr nearshore or offshore and $120/hr onshore. These are indicative from-rates, last reviewed 31 October 2026.

Indicative senior contract from-rates for WSO2 developers, by location model, USD per hour
Location modelFrom (USD per hour)Where engineers are based
OnshoreHighest rate$120/hrUS-based, on client time zones, cleared where the engagement requires it.
NearshoreOur default recommendation$80/hrLatin America and Canada, four hours or less of overlap loss, same working day.
OffshoreLowest rate$80/hrEurope, India and South East Asia.

What moves the number

  • Platform scarcity. The fewer engineers who have run WSO2 in production, the higher the rate.
  • Seniority. The figures are for senior engineers; staff and principal levels cost more.
  • Clearance and residency. Cleared or on-site work narrows the pool and sits in the onshore column.
  • Term. Length, hours and the engagement model change the rate; contract-to-hire and direct placement are priced differently.

Indicative from-rates for senior contract engineers, USD per hour. The final rate depends on platform scarcity, seniority, clearance and term.

How rates and engagement models fit together

The screen

How we vet WSO2 developers: the published screen

Every WSO2 developer is screened on the scenario below by the Integration and API platform lead at AceMQ. The senior and mid answers are published so you can judge our bar before you engage us, and candidates know what they are walking into.

The screen · WSO2 developer

Conntal Vetting Standard

Scenario put to the candidate

A team runs WSO2 API Manager 3.2 in production. Its listed support end-of-life date has passed and they need to be on a current 4.x release. Plan the move.

Vetted by

Integration and API platform lead · AceMQ

A senior answer contains

  • Starts from WSO2's support matrix to pick a 4.x target with enough runway, rather than the first 4.x release.
  • Plans a migration onto a new deployment using WSO2's documented migration steps, rehearsed on a copy of the databases.
  • Inventories customisations — mediation sequences, custom handlers, extensions — because they must be revalidated on the new version.
  • Plans keys, certificates and client applications as part of the cut-over, not afterwards.

Where a mid answer stops

  • Plans to replace the binaries in place.
  • Picks the newest 4.x without checking the support matrix.
  • Does not mention customisations or the databases.

What we screen on

WSO2 skills we screen for

WSO2 candidates are screened on wso2, lifecycle and customisation, among others, against the stack you actually run rather than a generic checklist.

WSO2

API ManagerMicro IntegratorIdentity ServerEnterprise Integrator

Lifecycle

3.2.x to 4.x migrationsupport matrixWSO2 Updates

Customisation

mediation sequencescustom handlersextensions

Identity

OAuth 2.0OIDCSAMLKeycloakEntra ID

Titles this covers

WSO2 job titles we place

We place 5 titles in this area, from WSO2 developer to Integration developer. They overlap and are used inconsistently between companies, so tell us the outcome you need and we will tell you which title actually fits it.

  • WSO2 developer
  • WSO2 engineer
  • API Manager engineer
  • Identity and access engineer
  • Integration developer

The platforms, run in production by our network

Engagement

Ways to hire WSO2 developers

Platform work usually starts with a defined piece of change and becomes ongoing ownership, which is why most WSO2 developers engagements begin on contract. All three models are available, in any location model.

01

Contract

A vetted engineer embedded in your team for a defined term.

Hourly, billed against an approved SOW. Most common for migrations, upgrades and capacity surges where the work has an end date.

Contract staffing
02

Contract-to-hire

Work together first, convert when it is obviously working.

A defined conversion window and a pre-agreed fee, so the decision to hire is a business decision rather than a negotiation.

Contract-to-hire staffing
03

Direct placement

A permanent hire, screened to the same standard.

One-time fee against first-year base. Used where the role is a long-term platform owner rather than project capacity.

Direct placement staffing

Not a fit if

When to look elsewhere for WSO2 developers

We are the wrong choice if any of these describe your role, and we would rather say so on the first call.

  • You want a WSO2 platform designed as a consulting project; AceMQ does that, we place developers.
  • Your gateway is not WSO2; see the API gateway page.
  • You need a junior developer; the screen assumes upgrade experience.

How it works

How hiring WSO2 developers through Conntal works

  1. 01

    Scope

    A practitioner scopes the role

    An engineer who runs this technology reads your brief and tells you what is missing from it. Most briefs we receive ask for the wrong seniority or the wrong title.
  2. 02

    Screen

    We screen, then shortlist

    Sourcing is ours; the technical decision belongs to the vetting practitioner. You only see candidates who passed the scenario on this page.
  3. 03

    Start

    Start, convert or replace

    Contract, contract-to-hire or direct. If the fit is wrong we say so first and replace rather than defend the placement.

Screen owner

Who vets our WSO2 developers: Integration and API platform lead, AceMQ

Consulting and support for Boomi, WSO2, Kong and Apigee integration and API platforms, including platform migrations.

FAQ

WSO2 developers: what buyers ask

Something not covered here? Send the requirement and a practitioner answers it, not a sales queue.

How much does a contract WSO2 developer cost per hour?

Indicative senior contract from-rates are $80/hr nearshore or offshore and $120/hr onshore (USD, reviewed 31 October 2026). The final rate depends on platform scarcity, seniority, clearance and term. Contract-to-hire and direct placement are priced differently, and the delivery models page sets out how.

How fast can a WSO2 developer start?

We do not promise a start date before we have seen the brief. A practitioner reads it, usually within one business day, and tells you whether we can staff it. Timing after that depends on the stack, the seniority and the location model.

Is WSO2 API Manager 3.2 still supported?

WSO2's support matrix lists 7 September 2026 as the support end-of-life date for API Manager 3.2.0 and 3.2.1, which now show as Extended. Confirm with WSO2 what that covers under your subscription.

Can you staff a WSO2 upgrade project?

Yes. Moving off 3.2.x and deprecated 4.x releases is the most common WSO2 contract right now.

Do you staff WSO2 Identity Server engineers?

Yes. Identity Server roles are screened on federation and token flows as well as upgrades.

Who runs the technical screen for WSO2 developers?

The screen is owned by the Integration and API platform lead at AceMQ. It is a production scenario, and the senior and mid answers are published on this page so you can judge the bar before you engage us.

Can we convert a contractor to full time, and what does it cost?

Yes. Contract-to-hire sets a conversion window and a pre-agreed fee at the start, so converting is a business decision rather than a negotiation. The fee is agreed per engagement; ask for it with your brief.

What if the placement does not work out?

If the fit is wrong we say so first and replace the engineer rather than defend the placement. Replacement terms are agreed per engagement, so ask for them with your brief.

Do you also deliver WSO2 consulting or support?

Not through Conntal. We place individual engineers into your team on contract, contract-to-hire or direct hire. If you want a project delivered or the platform supported as a service, AceMQ does that directly at acemq.com.

Related

Related roles

Need WSO2 delivered as a project or supported as a service instead of staffed? AceMQ does that directly.

Need WSO2 developers? Start with the brief.

Send the requirement and an engineer who runs this technology will tell you what is missing before we source anyone.